abdul124/rust-core_io
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Recreate patches for ioVec

Browse Source 
- `ioVec` does not depend on `feature="collections"`
- Fix `impl Read for Take`; only `read_to_end` requires `feature="collections"`
- Fix some whitespace consistency issues

Closes #19
This commit is contained in:
Jay Oster 2019-05-23 21:52:24 -07:00 committed by Jay Oster
parent dc39fb482c
commit ede518c151
38 changed files with 1685 additions and 3677 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
patches/06da917b015a2eceac0e3cca22f9660edef25178.patch
View File

@ -1401,16 +1401,16 @@ index b83f3fb..883fa30 100644
impl<T: Read> Read for Take<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1906,15 +1855,9 @@ impl<T: Read> Read for Take<T> {
unsafe fn initializer(&self) -> Initializer {
@@ -1907,6 +1856,7 @@ impl<T: Read> Read for Take<T> {
self.inner.initializer()
}
-
- fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
- let reservation_size = cmp::min(self.limit, 32) as usize;
-
- read_to_end_with_reservation(self, buf, reservation_size)
- }
+ #[cfg(feature="collections")]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
let reservation_size = cmp::min(self.limit, 32) as usize;
@@ -1914,7 +1864,7 @@ impl<T: Read> Read for Take<T> {
}
}
-#[stable(feature = "rust1", since = "1.0.0")]
@ -1418,7 +1418,7 @@ index b83f3fb..883fa30 100644
impl<T: BufRead> BufRead for Take<T> {
fn fill_buf(&mut self) -> Result<&[u8]> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1953,13 +1896,11 @@ fn read_one_byte(reader: &mut dyn Read) -> Option<Result<u8>> {
@@ -1953,13 +1903,11 @@ fn read_one_byte(reader: &mut dyn Read) -> Option<Result<u8>> {
/// Please see the documentation of [`bytes`] for more details.
///
/// [`bytes`]: trait.Read.html#method.bytes
@ -1432,7 +1432,7 @@ index b83f3fb..883fa30 100644
impl<R: Read> Iterator for Bytes<R> {
type Item = Result<u8>;
@@ -1975,14 +1916,14 @@ impl<R: Read> Iterator for Bytes<R> {
@@ -1975,14 +1923,14 @@ impl<R: Read> Iterator for Bytes<R> {
/// `BufRead`. Please see the documentation of `split()` for more details.
///
/// [split]: trait.BufRead.html#method.split
@ -1449,7 +1449,7 @@ index b83f3fb..883fa30 100644
impl<B: BufRead> Iterator for Split<B> {
type Item = Result<Vec<u8>>;
@@ -2007,13 +1948,13 @@ impl<B: BufRead> Iterator for Split<B> {
@@ -2007,13 +1955,13 @@ impl<B: BufRead> Iterator for Split<B> {
/// `BufRead`. Please see the documentation of `lines()` for more details.
///
/// [lines]: trait.BufRead.html#method.lines

328
patches/115c8a1f095f99dab82da7ab1276c64747ed8fcc.patch
View File

@ -311,20 +311,17 @@ diff --git a/cursor.rs b/cursor.rs
index 577a115..8813aba 100644
--- a/cursor.rs
+++ b/cursor.rs
@@ -1,8 +1,9 @@
@@ -1,7 +1,7 @@
use io::prelude::*;
-use core::convert::TryInto;
-use cmp;
-use io::{self, Initializer, SeekFrom, Error, ErrorKind, IoVec, IoVecMut};
+#[cfg(feature="collections")] use core::convert::TryInto;
+use core::cmp;
+use io::{self, Initializer, SeekFrom, Error, ErrorKind};
+#[cfg(feature="collections")] use io::{IoVec, IoVecMut};
use io::{self, Initializer, SeekFrom, Error, ErrorKind, IoVec, IoVecMut};
/// A `Cursor` wraps an in-memory buffer and provides it with a
/// [`Seek`] implementation.
@@ -70,7 +71,6 @@ use io::{self, Initializer, SeekFrom, Error, ErrorKind, IoVec, IoVecMut};
@@ -70,7 +70,6 @@ use io::{self, Initializer, SeekFrom, Error, ErrorKind, IoVec, IoVecMut};
/// assert_eq!(&buff.get_ref()[5..15], &[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]);
/// }
/// ```
@ -332,7 +329,7 @@ index 577a115..8813aba 100644
#[derive(Clone, Debug)]
pub struct Cursor<T> {
inner: T,
@@ -93,7 +93,6 @@ impl<T> Cursor<T> {
@@ -93,7 +92,6 @@ impl<T> Cursor<T> {
/// # fn force_inference(_: &Cursor<Vec<u8>>) {}
/// # force_inference(&buff);
/// ```
@ -340,7 +337,7 @@ index 577a115..8813aba 100644
pub fn new(inner: T) -> Cursor<T> {
Cursor { pos: 0, inner: inner }
}
@@ -111,7 +110,6 @@ impl<T> Cursor<T> {
@@ -111,7 +109,6 @@ impl<T> Cursor<T> {
///
/// let vec = buff.into_inner();
/// ```
@ -348,7 +345,7 @@ index 577a115..8813aba 100644
pub fn into_inner(self) -> T { self.inner }
/// Gets a reference to the underlying value in this cursor.
@@ -127,7 +125,6 @@ impl<T> Cursor<T> {
@@ -127,7 +124,6 @@ impl<T> Cursor<T> {
///
/// let reference = buff.get_ref();
/// ```
@ -356,7 +353,7 @@ index 577a115..8813aba 100644
pub fn get_ref(&self) -> &T { &self.inner }
/// Gets a mutable reference to the underlying value in this cursor.
@@ -146,7 +143,6 @@ impl<T> Cursor<T> {
@@ -146,7 +142,6 @@ impl<T> Cursor<T> {
///
/// let reference = buff.get_mut();
/// ```
@ -364,7 +361,7 @@ index 577a115..8813aba 100644
pub fn get_mut(&mut self) -> &mut T { &mut self.inner }
/// Returns the current position of this cursor.
@@ -168,7 +164,6 @@ impl<T> Cursor<T> {
@@ -168,7 +163,6 @@ impl<T> Cursor<T> {
/// buff.seek(SeekFrom::Current(-1)).unwrap();
/// assert_eq!(buff.position(), 1);
/// ```
@ -372,7 +369,7 @@ index 577a115..8813aba 100644
pub fn position(&self) -> u64 { self.pos }
/// Sets the position of this cursor.
@@ -188,11 +183,9 @@ impl<T> Cursor<T> {
@@ -188,11 +182,9 @@ impl<T> Cursor<T> {
/// buff.set_position(4);
/// assert_eq!(buff.position(), 4);
/// ```
@ -384,7 +381,7 @@ index 577a115..8813aba 100644
impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
fn seek(&mut self, style: SeekFrom) -> io::Result<u64> {
let (base_pos, offset) = match style {
@@ -213,14 +206,14 @@ impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
@@ -213,10 +205,9 @@ impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
}
}
@ -396,12 +393,7 @@ index 577a115..8813aba 100644
self.pos += n as u64;
Ok(n)
}
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nread = 0;
for buf in bufs {
@@ -235,7 +228,7 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
@@ -235,7 +226,7 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
fn read_exact(&mut self, buf: &mut [u8]) -> io::Result<()> {
let n = buf.len();
@ -410,7 +402,7 @@ index 577a115..8813aba 100644
self.pos += n as u64;
Ok(())
}
@@ -246,12 +239,16 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
@@ -246,12 +237,16 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
}
}
@ -430,15 +422,7 @@ index 577a115..8813aba 100644
fn consume(&mut self, amt: usize) { self.pos += amt as u64; }
}
@@ -263,6 +260,7 @@ fn slice_write(pos_mut: &mut u64, slice: &mut [u8], buf: &[u8]) -> io::Result<us
Ok(amt)
}
+#[cfg(feature="collections")]
fn slice_write_vectored(
pos_mut: &mut u64,
slice: &mut [u8],
@@ -281,6 +279,7 @@ fn slice_write_vectored(
@@ -281,6 +276,7 @@ fn slice_write_vectored(
}
// Resizing write implementation
@ -446,7 +430,7 @@ index 577a115..8813aba 100644
fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usize> {
let pos: usize = (*pos_mut).try_into().map_err(|_| {
Error::new(ErrorKind::InvalidInput,
@@ -307,6 +306,7 @@ fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usi
@@ -307,6 +303,7 @@ fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usi
Ok(buf.len())
}
@ -454,7 +438,7 @@ index 577a115..8813aba 100644
fn vec_write_vectored(
pos_mut: &mut u64,
vec: &mut Vec<u8>,
@@ -320,13 +320,13 @@ fn vec_write_vectored(
@@ -320,7 +317,6 @@ fn vec_write_vectored(
Ok(nwritten)
}
@ -462,14 +446,7 @@ index 577a115..8813aba 100644
impl Write for Cursor<&mut [u8]> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
slice_write(&mut self.pos, self.inner, buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
slice_write_vectored(&mut self.pos, self.inner, bufs)
@@ -335,12 +335,13 @@ impl Write for Cursor<&mut [u8]> {
@@ -335,7 +331,7 @@ impl Write for Cursor<&mut [u8]> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -478,13 +455,7 @@ index 577a115..8813aba 100644
impl Write for Cursor<&mut Vec<u8>> {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
vec_write(&mut self.pos, self.inner, buf)
}
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
vec_write_vectored(&mut self.pos, self.inner, bufs)
}
@@ -348,12 +349,13 @@ impl Write for Cursor<&mut Vec<u8>> {
@@ -348,7 +344,7 @@ impl Write for Cursor<&mut Vec<u8>> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -493,13 +464,7 @@ index 577a115..8813aba 100644
impl Write for Cursor<Vec<u8>> {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
vec_write(&mut self.pos, &mut self.inner, buf)
}
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
vec_write_vectored(&mut self.pos, &mut self.inner, bufs)
}
@@ -361,13 +363,14 @@ impl Write for Cursor<Vec<u8>> {
@@ -361,8 +357,8 @@ impl Write for Cursor<Vec<u8>> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -510,12 +475,6 @@ index 577a115..8813aba 100644
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
slice_write(&mut self.pos, &mut self.inner, buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
slice_write_vectored(&mut self.pos, &mut self.inner, bufs)
diff --git a/error.rs b/error.rs
index e9b4f60..31c0ff1 100644
--- a/error.rs
@ -835,7 +794,7 @@ diff --git a/impls.rs b/impls.rs
index aa8db17..aaf1b00 100644
--- a/impls.rs
+++ b/impls.rs
@@ -1,19 +1,22 @@
@@ -1,13 +1,15 @@
-use cmp;
-use io::{self, SeekFrom, Read, Initializer, Write, Seek, BufRead, Error, ErrorKind, IoVecMut,
- IoVec};
@ -843,8 +802,8 @@ index aa8db17..aaf1b00 100644
-use mem;
+#[cfg(feature="alloc")] use alloc::boxed::Box;
+use core::cmp;
+use io::{self, SeekFrom, Read, Initializer, Write, Seek, Error, ErrorKind};
+#[cfg(feature="collections")] use io::{BufRead, IoVecMut, IoVec};
+use io::{self, SeekFrom, Read, Initializer, Write, Seek, Error, ErrorKind, IoVecMut, IoVec};
+#[cfg(feature="collections")] use io::BufRead;
+use core::fmt;
+use core::mem;
+#[cfg(feature="collections")] use collections::string::String;
@ -857,14 +816,7 @@ index aa8db17..aaf1b00 100644
impl<R: Read + ?Sized> Read for &mut R {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
(**self).read(buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
(**self).read_vectored(bufs)
@@ -24,11 +27,13 @@ impl<R: Read + ?Sized> Read for &mut R {
@@ -24,11 +26,13 @@ impl<R: Read + ?Sized> Read for &mut R {
(**self).initializer()
}
@ -878,7 +830,7 @@ index aa8db17..aaf1b00 100644
#[inline]
fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> {
(**self).read_to_string(buf)
@@ -39,11 +44,11 @@ impl<R: Read + ?Sized> Read for &mut R {
@@ -39,7 +43,6 @@ impl<R: Read + ?Sized> Read for &mut R {
(**self).read_exact(buf)
}
}
@ -886,12 +838,7 @@ index aa8db17..aaf1b00 100644
impl<W: Write + ?Sized> Write for &mut W {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { (**self).write(buf) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
(**self).write_vectored(bufs)
@@ -62,12 +67,11 @@ impl<W: Write + ?Sized> Write for &mut W {
@@ -62,12 +65,11 @@ impl<W: Write + ?Sized> Write for &mut W {
(**self).write_fmt(fmt)
}
}
@ -905,7 +852,7 @@ index aa8db17..aaf1b00 100644
impl<B: BufRead + ?Sized> BufRead for &mut B {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { (**self).fill_buf() }
@@ -86,13 +90,14 @@ impl<B: BufRead + ?Sized> BufRead for &mut B {
@@ -86,7 +88,7 @@ impl<B: BufRead + ?Sized> BufRead for &mut B {
}
}
@ -914,14 +861,7 @@ index aa8db17..aaf1b00 100644
impl<R: Read + ?Sized> Read for Box<R> {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
(**self).read(buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
(**self).read_vectored(bufs)
@@ -103,11 +108,13 @@ impl<R: Read + ?Sized> Read for Box<R> {
@@ -103,11 +105,13 @@ impl<R: Read + ?Sized> Read for Box<R> {
(**self).initializer()
}
@ -935,7 +875,7 @@ index aa8db17..aaf1b00 100644
#[inline]
fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> {
(**self).read_to_string(buf)
@@ -118,11 +125,12 @@ impl<R: Read + ?Sized> Read for Box<R> {
@@ -118,7 +122,7 @@ impl<R: Read + ?Sized> Read for Box<R> {
(**self).read_exact(buf)
}
}
@ -944,12 +884,7 @@ index aa8db17..aaf1b00 100644
impl<W: Write + ?Sized> Write for Box<W> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { (**self).write(buf) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
(**self).write_vectored(bufs)
@@ -141,12 +149,12 @@ impl<W: Write + ?Sized> Write for Box<W> {
@@ -141,12 +145,12 @@ impl<W: Write + ?Sized> Write for Box<W> {
(**self).write_fmt(fmt)
}
}
@ -964,7 +899,7 @@ index aa8db17..aaf1b00 100644
impl<B: BufRead + ?Sized> BufRead for Box<B> {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { (**self).fill_buf() }
@@ -172,7 +180,6 @@ impl<B: BufRead + ?Sized> BufRead for Box<B> {
@@ -172,7 +176,6 @@ impl<B: BufRead + ?Sized> BufRead for Box<B> {
///
/// Note that reading updates the slice to point to the yet unread part.
/// The slice will be empty when EOF is reached.
@ -972,15 +907,7 @@ index aa8db17..aaf1b00 100644
impl Read for &[u8] {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
@@ -192,6 +199,7 @@ impl Read for &[u8] {
Ok(amt)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nread = 0;
@@ -231,6 +239,7 @@ impl Read for &[u8] {
@@ -231,6 +234,7 @@ impl Read for &[u8] {
Ok(())
}
@ -988,7 +915,7 @@ index aa8db17..aaf1b00 100644
#[inline]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> io::Result<usize> {
buf.extend_from_slice(*self);
@@ -240,7 +249,7 @@ impl Read for &[u8] {
@@ -240,7 +244,7 @@ impl Read for &[u8] {
}
}
@ -997,7 +924,7 @@ index aa8db17..aaf1b00 100644
impl BufRead for &[u8] {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { Ok(*self) }
@@ -254,7 +263,6 @@ impl BufRead for &[u8] {
@@ -254,7 +258,6 @@ impl BufRead for &[u8] {
///
/// Note that writing updates the slice to point to the yet unwritten part.
/// The slice will be empty when it has been completely overwritten.
@ -1005,15 +932,7 @@ index aa8db17..aaf1b00 100644
impl Write for &mut [u8] {
#[inline]
fn write(&mut self, data: &[u8]) -> io::Result<usize> {
@@ -265,6 +273,7 @@ impl Write for &mut [u8] {
Ok(amt)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let mut nwritten = 0;
@@ -293,7 +302,7 @@ impl Write for &mut [u8] {
@@ -293,7 +296,7 @@ impl Write for &mut [u8] {
/// Write is implemented for `Vec<u8>` by appending to the vector.
/// The vector will grow as needed.
@ -1022,14 +941,6 @@ index aa8db17..aaf1b00 100644
impl Write for Vec<u8> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
@@ -301,6 +310,7 @@ impl Write for Vec<u8> {
Ok(buf.len())
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let len = bufs.iter().map(|b| b.len()).sum();
diff --git a/mod.rs b/mod.rs
index 613ae7a..7fa4bb0 100644
--- a/mod.rs
@ -1063,9 +974,9 @@ index 613ae7a..7fa4bb0 100644
+mod memchr;
+#[cfg(all(feature="collections",core_memchr))]
+use core::slice::memchr;
+#[cfg(feature="collections")] use core::ops::{Deref, DerefMut};
+use core::ptr;
+use core::slice;
+use core::ops::{Deref, DerefMut};
+use core::ptr;
+
+#[cfg(feature="collections")] pub use self::buffered::{BufReader, BufWriter, LineWriter};
+#[cfg(feature="collections")] pub use self::buffered::IntoInnerError;
@ -1141,16 +1052,15 @@ index 613ae7a..7fa4bb0 100644
fn read(&mut self, buf: &mut [u8]) -> Result<usize>;
/// Like `read`, except that it reads into a slice of buffers.
@@ -530,7 +519,7 @@ pub trait Read {
@@ -530,7 +519,6 @@ pub trait Read {
///
/// The default implementation simply passes the first nonempty buffer to
/// `read`.
- #[unstable(feature = "iovec", issue = "58452")]
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> Result<usize> {
match bufs.iter_mut().find(|b| !b.is_empty()) {
Some(buf) => self.read(buf),
@@ -560,7 +549,6 @@ pub trait Read {
@@ -560,7 +548,6 @@ pub trait Read {
///
/// [`Initializer::nop()`]: ../../std/io/struct.Initializer.html#method.nop
/// [`Initializer`]: ../../std/io/struct.Initializer.html
@ -1158,7 +1068,7 @@ index 613ae7a..7fa4bb0 100644
#[inline]
unsafe fn initializer(&self) -> Initializer {
Initializer::zeroing()
@@ -613,7 +601,7 @@ pub trait Read {
@@ -613,7 +600,7 @@ pub trait Read {
/// file.)
///
/// [`std::fs::read`]: ../fs/fn.read.html
@ -1167,7 +1077,7 @@ index 613ae7a..7fa4bb0 100644
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
read_to_end(self, buf)
}
@@ -656,7 +644,7 @@ pub trait Read {
@@ -656,7 +643,7 @@ pub trait Read {
/// reading from a file.)
///
/// [`std::fs::read_to_string`]: ../fs/fn.read_to_string.html
@ -1176,7 +1086,7 @@ index 613ae7a..7fa4bb0 100644
fn read_to_string(&mut self, buf: &mut String) -> Result<usize> {
// Note that we do *not* call `.read_to_end()` here. We are passing
// `&mut Vec<u8>` (the raw contents of `buf`) into the `read_to_end`
@@ -719,7 +707,6 @@ pub trait Read {
@@ -719,7 +706,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1184,7 +1094,7 @@ index 613ae7a..7fa4bb0 100644
fn read_exact(&mut self, mut buf: &mut [u8]) -> Result<()> {
while !buf.is_empty() {
match self.read(buf) {
@@ -771,7 +758,6 @@ pub trait Read {
@@ -771,7 +757,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1192,7 +1102,7 @@ index 613ae7a..7fa4bb0 100644
fn by_ref(&mut self) -> &mut Self where Self: Sized { self }
/// Transforms this `Read` instance to an [`Iterator`] over its bytes.
@@ -808,7 +794,6 @@ pub trait Read {
@@ -808,7 +793,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1200,7 +1110,7 @@ index 613ae7a..7fa4bb0 100644
fn bytes(self) -> Bytes<Self> where Self: Sized {
Bytes { inner: self }
}
@@ -843,7 +828,6 @@ pub trait Read {
@@ -843,7 +827,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1208,7 +1118,7 @@ index 613ae7a..7fa4bb0 100644
fn chain<R: Read>(self, next: R) -> Chain<Self, R> where Self: Sized {
Chain { first: self, second: next, done_first: false }
}
@@ -879,42 +863,77 @@ pub trait Read {
@@ -879,22 +862,52 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1218,10 +1128,8 @@ index 613ae7a..7fa4bb0 100644
}
}
+#[cfg(feature="collections")]
+pub struct IoVecBuffer<'a>(&'a [u8]);
+
+#[cfg(feature="collections")]
+impl<'a> IoVecBuffer<'a> {
+ #[inline]
+ pub fn new(buf: &'a [u8]) -> IoVecBuffer<'a> {
@ -1233,10 +1141,9 @@ index 613ae7a..7fa4bb0 100644
+ self.0
+ }
+}
+#[cfg(feature="collections")]
+
+pub struct IoVecMutBuffer<'a>(&'a mut [u8]);
+
+#[cfg(feature="collections")]
+impl<'a> IoVecMutBuffer<'a> {
+ #[inline]
+ pub fn new(buf: &'a mut [u8]) -> IoVecMutBuffer<'a> {
@ -1260,23 +1167,15 @@ index 613ae7a..7fa4bb0 100644
/// ABI compatible with the `iovec` type on Unix platforms and `WSABUF` on
/// Windows.
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
#[repr(transparent)]
-pub struct IoVecMut<'a>(sys::io::IoVecMut<'a>);
+pub struct IoVecMut<'a>(IoVecMutBuffer<'a>);
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> fmt::Debug for IoVecMut<'a> {
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
fmt::Debug::fmt(self.0.as_slice(), fmt)
}
}
+#[cfg(feature="collections")]
impl<'a> IoVecMut<'a> {
/// Creates a new `IoVecMut` wrapping a byte slice.
///
@@ -907,14 +920,12 @@ impl<'a> IoVecMut<'a> {
/// # Panics
///
/// Panics on Windows if the slice is larger than 4GB.
@ -1289,41 +1188,31 @@ index 613ae7a..7fa4bb0 100644
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> Deref for IoVecMut<'a> {
type Target = [u8];
@@ -924,7 +943,7 @@ impl<'a> Deref for IoVecMut<'a> {
@@ -924,7 +935,6 @@ impl<'a> Deref for IoVecMut<'a> {
}
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> DerefMut for IoVecMut<'a> {
#[inline]
fn deref_mut(&mut self) -> &mut [u8] {
@@ -937,31 +956,31 @@ impl<'a> DerefMut for IoVecMut<'a> {
@@ -937,11 +947,9 @@ impl<'a> DerefMut for IoVecMut<'a> {
/// It is semantically a wrapper around an `&[u8]`, but is guaranteed to be
/// ABI compatible with the `iovec` type on Unix platforms and `WSABUF` on
/// Windows.
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
#[repr(transparent)]
-pub struct IoVec<'a>(sys::io::IoVec<'a>);
+pub struct IoVec<'a>(IoVecBuffer<'a>);
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> fmt::Debug for IoVec<'a> {
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
fmt::Debug::fmt(self.0.as_slice(), fmt)
}
}
+#[cfg(feature="collections")]
impl<'a> IoVec<'a> {
/// Creates a new `IoVec` wrapping a byte slice.
///
@@ -954,14 +962,12 @@ impl<'a> IoVec<'a> {
/// # Panics
///
/// Panics on Windows if the slice is larger than 4GB.
@ -1336,11 +1225,10 @@ index 613ae7a..7fa4bb0 100644
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> Deref for IoVec<'a> {
type Target = [u8];
@@ -972,13 +991,11 @@ impl<'a> Deref for IoVec<'a> {
@@ -972,13 +978,11 @@ impl<'a> Deref for IoVec<'a> {
}
/// A type used to conditionally initialize buffers passed to `Read` methods.
@ -1354,7 +1242,7 @@ index 613ae7a..7fa4bb0 100644
#[inline]
pub fn zeroing() -> Initializer {
Initializer(true)
@@ -992,21 +1009,18 @@ impl Initializer {
@@ -992,21 +996,18 @@ impl Initializer {
/// read from buffers passed to `Read` methods, and that the return value of
/// the method accurately reflects the number of bytes that have been
/// written to the head of the buffer.
@ -1376,7 +1264,7 @@ index 613ae7a..7fa4bb0 100644
#[inline]
pub fn initialize(&self, buf: &mut [u8]) {
if self.should_initialize() {
@@ -1049,7 +1063,6 @@ impl Initializer {
@@ -1049,7 +1050,6 @@ impl Initializer {
/// Ok(())
/// }
/// ```
@ -1384,7 +1272,7 @@ index 613ae7a..7fa4bb0 100644
#[doc(spotlight)]
pub trait Write {
/// Write a buffer into this writer, returning how many bytes were written.
@@ -1098,7 +1111,6 @@ pub trait Write {
@@ -1098,7 +1098,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1392,16 +1280,15 @@ index 613ae7a..7fa4bb0 100644
fn write(&mut self, buf: &[u8]) -> Result<usize>;
/// Like `write`, except that it writes from a slice of buffers.
@@ -1109,7 +1121,7 @@ pub trait Write {
@@ -1109,7 +1108,6 @@ pub trait Write {
///
/// The default implementation simply passes the first nonempty buffer to
/// `write`.
- #[unstable(feature = "iovec", issue = "58452")]
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> Result<usize> {
match bufs.iter().find(|b| !b.is_empty()) {
Some(buf) => self.write(buf),
@@ -1140,7 +1152,6 @@ pub trait Write {
@@ -1140,7 +1138,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1409,7 +1296,7 @@ index 613ae7a..7fa4bb0 100644
fn flush(&mut self) -> Result<()>;
/// Attempts to write an entire buffer into this writer.
@@ -1173,7 +1184,6 @@ pub trait Write {
@@ -1173,7 +1170,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1417,7 +1304,7 @@ index 613ae7a..7fa4bb0 100644
fn write_all(&mut self, mut buf: &[u8]) -> Result<()> {
while !buf.is_empty() {
match self.write(buf) {
@@ -1225,7 +1235,6 @@ pub trait Write {
@@ -1225,7 +1221,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1425,7 +1312,7 @@ index 613ae7a..7fa4bb0 100644
fn write_fmt(&mut self, fmt: fmt::Arguments) -> Result<()> {
// Create a shim which translates a Write to a fmt::Write and saves
// off I/O errors. instead of discarding them
@@ -1281,7 +1290,6 @@ pub trait Write {
@@ -1281,7 +1276,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1433,7 +1320,7 @@ index 613ae7a..7fa4bb0 100644
fn by_ref(&mut self) -> &mut Self where Self: Sized { self }
}
@@ -1311,7 +1319,6 @@ pub trait Write {
@@ -1311,7 +1305,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1441,7 +1328,7 @@ index 613ae7a..7fa4bb0 100644
pub trait Seek {
/// Seek to an offset, in bytes, in a stream.
///
@@ -1327,7 +1334,6 @@ pub trait Seek {
@@ -1327,7 +1320,6 @@ pub trait Seek {
/// Seeking to a negative offset is considered an error.
///
/// [`SeekFrom::Start`]: enum.SeekFrom.html#variant.Start
@ -1449,7 +1336,7 @@ index 613ae7a..7fa4bb0 100644
fn seek(&mut self, pos: SeekFrom) -> Result<u64>;
}
@@ -1337,29 +1343,26 @@ pub trait Seek {
@@ -1337,29 +1329,26 @@ pub trait Seek {
///
/// [`Seek`]: trait.Seek.html
#[derive(Copy, PartialEq, Eq, Clone, Debug)]
@ -1483,7 +1370,7 @@ index 613ae7a..7fa4bb0 100644
fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
-> Result<usize> {
let mut read = 0;
@@ -1439,7 +1442,7 @@ fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
@@ -1439,7 +1428,7 @@ fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
/// }
/// ```
///
@ -1492,7 +1379,7 @@ index 613ae7a..7fa4bb0 100644
pub trait BufRead: Read {
/// Returns the contents of the internal buffer, filling it with more data
/// from the inner reader if it is empty.
@@ -1485,7 +1488,6 @@ pub trait BufRead: Read {
@@ -1485,7 +1474,6 @@ pub trait BufRead: Read {
/// // ensure the bytes we worked with aren't returned again later
/// stdin.consume(length);
/// ```
@ -1500,7 +1387,7 @@ index 613ae7a..7fa4bb0 100644
fn fill_buf(&mut self) -> Result<&[u8]>;
/// Tells this buffer that `amt` bytes have been consumed from the buffer,
@@ -1507,7 +1509,6 @@ pub trait BufRead: Read {
@@ -1507,7 +1495,6 @@ pub trait BufRead: Read {
/// that method's example includes an example of `consume()`.
///
/// [`fill_buf`]: #tymethod.fill_buf
@ -1508,7 +1395,7 @@ index 613ae7a..7fa4bb0 100644
fn consume(&mut self, amt: usize);
/// Read all bytes into `buf` until the delimiter `byte` or EOF is reached.
@@ -1563,7 +1564,6 @@ pub trait BufRead: Read {
@@ -1563,7 +1550,6 @@ pub trait BufRead: Read {
/// assert_eq!(num_bytes, 0);
/// assert_eq!(buf, b"");
/// ```
@ -1516,7 +1403,7 @@ index 613ae7a..7fa4bb0 100644
fn read_until(&mut self, byte: u8, buf: &mut Vec<u8>) -> Result<usize> {
read_until(self, byte, buf)
}
@@ -1622,7 +1622,6 @@ pub trait BufRead: Read {
@@ -1622,7 +1608,6 @@ pub trait BufRead: Read {
/// assert_eq!(num_bytes, 0);
/// assert_eq!(buf, "");
/// ```
@ -1524,7 +1411,7 @@ index 613ae7a..7fa4bb0 100644
fn read_line(&mut self, buf: &mut String) -> Result<usize> {
// Note that we are not calling the `.read_until` method here, but
// rather our hardcoded implementation. For more details as to why, see
@@ -1663,7 +1662,6 @@ pub trait BufRead: Read {
@@ -1663,7 +1648,6 @@ pub trait BufRead: Read {
/// assert_eq!(split_iter.next(), Some(b"dolor".to_vec()));
/// assert_eq!(split_iter.next(), None);
/// ```
@ -1532,7 +1419,7 @@ index 613ae7a..7fa4bb0 100644
fn split(self, byte: u8) -> Split<Self> where Self: Sized {
Split { buf: self, delim: byte }
}
@@ -1702,7 +1700,6 @@ pub trait BufRead: Read {
@@ -1702,7 +1686,6 @@ pub trait BufRead: Read {
/// Each line of the iterator has the same error semantics as [`BufRead::read_line`].
///
/// [`BufRead::read_line`]: trait.BufRead.html#method.read_line
@ -1540,7 +1427,7 @@ index 613ae7a..7fa4bb0 100644
fn lines(self) -> Lines<Self> where Self: Sized {
Lines { buf: self }
}
@@ -1714,7 +1711,6 @@ pub trait BufRead: Read {
@@ -1714,7 +1697,6 @@ pub trait BufRead: Read {
/// Please see the documentation of [`chain`] for more details.
///
/// [`chain`]: trait.Read.html#method.chain
@ -1548,7 +1435,7 @@ index 613ae7a..7fa4bb0 100644
pub struct Chain<T, U> {
first: T,
second: U,
@@ -1740,7 +1736,6 @@ impl<T, U> Chain<T, U> {
@@ -1740,7 +1722,6 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1556,7 +1443,7 @@ index 613ae7a..7fa4bb0 100644
pub fn into_inner(self) -> (T, U) {
(self.first, self.second)
}
@@ -1763,7 +1758,6 @@ impl<T, U> Chain<T, U> {
@@ -1763,7 +1744,6 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1564,7 +1451,7 @@ index 613ae7a..7fa4bb0 100644
pub fn get_ref(&self) -> (&T, &U) {
(&self.first, &self.second)
}
@@ -1790,13 +1784,11 @@ impl<T, U> Chain<T, U> {
@@ -1790,13 +1770,11 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1578,7 +1465,7 @@ index 613ae7a..7fa4bb0 100644
impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_struct("Chain")
@@ -1806,7 +1798,6 @@ impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
@@ -1806,7 +1784,6 @@ impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
}
}
@ -1586,15 +1473,7 @@ index 613ae7a..7fa4bb0 100644
impl<T: Read, U: Read> Read for Chain<T, U> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
if !self.done_first {
@@ -1818,6 +1809,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
self.second.read(buf)
}
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> Result<usize> {
if !self.done_first {
match self.first.read_vectored(bufs)? {
@@ -1838,7 +1830,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
@@ -1838,7 +1815,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
}
}
@ -1603,7 +1482,7 @@ index 613ae7a..7fa4bb0 100644
impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
fn fill_buf(&mut self) -> Result<&[u8]> {
if !self.done_first {
@@ -1865,7 +1857,6 @@ impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
@@ -1865,7 +1842,6 @@ impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
/// Please see the documentation of [`take`] for more details.
///
/// [`take`]: trait.Read.html#method.take
@ -1611,7 +1490,7 @@ index 613ae7a..7fa4bb0 100644
#[derive(Debug)]
pub struct Take<T> {
inner: T,
@@ -1900,7 +1891,6 @@ impl<T> Take<T> {
@@ -1900,7 +1876,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1619,7 +1498,7 @@ index 613ae7a..7fa4bb0 100644
pub fn limit(&self) -> u64 { self.limit }
/// Sets the number of bytes that can be read before this instance will
@@ -1926,7 +1916,6 @@ impl<T> Take<T> {
@@ -1926,7 +1901,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1627,7 +1506,7 @@ index 613ae7a..7fa4bb0 100644
pub fn set_limit(&mut self, limit: u64) {
self.limit = limit;
}
@@ -1951,7 +1940,6 @@ impl<T> Take<T> {
@@ -1951,7 +1925,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1635,7 +1514,7 @@ index 613ae7a..7fa4bb0 100644
pub fn into_inner(self) -> T {
self.inner
}
@@ -1976,7 +1964,6 @@ impl<T> Take<T> {
@@ -1976,7 +1949,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1643,7 +1522,7 @@ index 613ae7a..7fa4bb0 100644
pub fn get_ref(&self) -> &T {
&self.inner
}
@@ -2005,13 +1992,11 @@ impl<T> Take<T> {
@@ -2005,13 +1977,11 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1657,16 +1536,16 @@ index 613ae7a..7fa4bb0 100644
impl<T: Read> Read for Take<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
// Don't call into inner reader at all at EOF because it may still block
@@ -2028,15 +2013,9 @@ impl<T: Read> Read for Take<T> {
unsafe fn initializer(&self) -> Initializer {
@@ -2029,6 +1999,7 @@ impl<T: Read> Read for Take<T> {
self.inner.initializer()
}
-
- fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
- let reservation_size = cmp::min(self.limit, 32) as usize;
-
- read_to_end_with_reservation(self, buf, reservation_size)
- }
+ #[cfg(feature="collections")]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
let reservation_size = cmp::min(self.limit, 32) as usize;
@@ -2036,7 +2007,7 @@ impl<T: Read> Read for Take<T> {
}
}
-#[stable(feature = "rust1", since = "1.0.0")]
@ -1674,7 +1553,7 @@ index 613ae7a..7fa4bb0 100644
impl<T: BufRead> BufRead for Take<T> {
fn fill_buf(&mut self) -> Result<&[u8]> {
// Don't call into inner reader at all at EOF because it may still block
@@ -2063,13 +2042,11 @@ impl<T: BufRead> BufRead for Take<T> {
@@ -2063,13 +2034,11 @@ impl<T: BufRead> BufRead for Take<T> {
/// Please see the documentation of [`bytes`] for more details.
///
/// [`bytes`]: trait.Read.html#method.bytes
@ -1688,7 +1567,7 @@ index 613ae7a..7fa4bb0 100644
impl<R: Read> Iterator for Bytes<R> {
type Item = Result<u8>;
@@ -2093,14 +2070,14 @@ impl<R: Read> Iterator for Bytes<R> {
@@ -2093,14 +2062,14 @@ impl<R: Read> Iterator for Bytes<R> {
/// `BufRead`. Please see the documentation of `split()` for more details.
///
/// [split]: trait.BufRead.html#method.split
@ -1705,7 +1584,7 @@ index 613ae7a..7fa4bb0 100644
impl<B: BufRead> Iterator for Split<B> {
type Item = Result<Vec<u8>>;
@@ -2125,13 +2102,13 @@ impl<B: BufRead> Iterator for Split<B> {
@@ -2125,13 +2094,13 @@ impl<B: BufRead> Iterator for Split<B> {
/// `BufRead`. Please see the documentation of `lines()` for more details.
///
/// [lines]: trait.BufRead.html#method.lines
@ -1748,9 +1627,9 @@ index 5ce955e..c7d8697 100644
-use io::{self, Read, Initializer, Write, ErrorKind, BufRead, IoVec, IoVecMut};
-use mem;
+use core::fmt;
+use io::{self, Read, Initializer, Write, ErrorKind};
+use io::{self, Read, Initializer, Write, ErrorKind, IoVec, IoVecMut};
+#[cfg(feature="collections")] use io::BufRead;
+use core::mem;
+#[cfg(feature="collections")] use io::{BufRead, IoVec, IoVecMut};
/// Copies the entire contents of a reader into a writer.
///
@ -1818,15 +1697,7 @@ index 5ce955e..c7d8697 100644
impl Read for Repeat {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
@@ -152,6 +146,7 @@ impl Read for Repeat {
Ok(buf.len())
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nwritten = 0;
@@ -167,7 +162,6 @@ impl Read for Repeat {
@@ -167,7 +161,6 @@ impl Read for Repeat {
}
}
@ -1834,7 +1705,7 @@ index 5ce955e..c7d8697 100644
impl fmt::Debug for Repeat {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.pad("Repeat { .. }")
@@ -180,7 +174,6 @@ impl fmt::Debug for Repeat {
@@ -180,7 +173,6 @@ impl fmt::Debug for Repeat {
/// see the documentation of `sink()` for more details.
///
/// [sink]: fn.sink.html
@ -1842,7 +1713,7 @@ index 5ce955e..c7d8697 100644
pub struct Sink { _priv: () }
/// Creates an instance of a writer which will successfully consume all data.
@@ -197,14 +190,13 @@ pub struct Sink { _priv: () }
@@ -197,10 +189,8 @@ pub struct Sink { _priv: () }
/// let num_bytes = io::sink().write(&buffer).unwrap();
/// assert_eq!(num_bytes, 5);
/// ```
@ -1853,12 +1724,7 @@ index 5ce955e..c7d8697 100644
impl Write for Sink {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { Ok(buf.len()) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let total_len = bufs.iter().map(|b| b.len()).sum();
@@ -215,7 +207,6 @@ impl Write for Sink {
@@ -215,7 +205,6 @@ impl Write for Sink {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}

24
patches/14ebca5c1986b55c39b5711c0cb33850afdc0a0c.patch
View File

@ -970,8 +970,8 @@ index 5137a94..da64ab7 100644
+mod memchr;
+#[cfg(all(feature="collections",core_memchr))]
+use core::slice::memchr;
+use core::ptr;
+use core::slice;
+use core::ptr;
+
+#[cfg(feature="collections")] pub use self::buffered::{BufReader, BufWriter, LineWriter};
+#[cfg(feature="collections")] pub use self::buffered::IntoInnerError;
@ -1412,16 +1412,16 @@ index 5137a94..da64ab7 100644
impl<T: Read> Read for Take<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1908,15 +1857,9 @@ impl<T: Read> Read for Take<T> {
unsafe fn initializer(&self) -> Initializer {
@@ -1909,6 +1858,7 @@ impl<T: Read> Read for Take<T> {
self.inner.initializer()
}
-
- fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
- let reservation_size = cmp::min(self.limit, 32) as usize;
-
- read_to_end_with_reservation(self, buf, reservation_size)
- }
+ #[cfg(feature="collections")]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
let reservation_size = cmp::min(self.limit, 32) as usize;
@@ -1916,7 +1866,7 @@ impl<T: Read> Read for Take<T> {
}
}
-#[stable(feature = "rust1", since = "1.0.0")]
@ -1429,7 +1429,7 @@ index 5137a94..da64ab7 100644
impl<T: BufRead> BufRead for Take<T> {
fn fill_buf(&mut self) -> Result<&[u8]> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1943,13 +1886,11 @@ impl<T: BufRead> BufRead for Take<T> {
@@ -1943,13 +1893,11 @@ impl<T: BufRead> BufRead for Take<T> {
/// Please see the documentation of [`bytes`] for more details.
///
/// [`bytes`]: trait.Read.html#method.bytes
@ -1443,7 +1443,7 @@ index 5137a94..da64ab7 100644
impl<R: Read> Iterator for Bytes<R> {
type Item = Result<u8>;
@@ -1973,14 +1914,14 @@ impl<R: Read> Iterator for Bytes<R> {
@@ -1973,14 +1921,14 @@ impl<R: Read> Iterator for Bytes<R> {
/// `BufRead`. Please see the documentation of `split()` for more details.
///
/// [split]: trait.BufRead.html#method.split
@ -1460,7 +1460,7 @@ index 5137a94..da64ab7 100644
impl<B: BufRead> Iterator for Split<B> {
type Item = Result<Vec<u8>>;
@@ -2005,13 +1946,13 @@ impl<B: BufRead> Iterator for Split<B> {
@@ -2005,13 +1953,13 @@ impl<B: BufRead> Iterator for Split<B> {
/// `BufRead`. Please see the documentation of `lines()` for more details.
///
/// [lines]: trait.BufRead.html#method.lines

22
patches/1ed91951c3012e9aabb403d28b902c56cc143907.patch
View File

@ -1409,16 +1409,16 @@ index 076524e..0aa9ade 100644
impl<T: Read> Read for Take<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1907,15 +1856,9 @@ impl<T: Read> Read for Take<T> {
unsafe fn initializer(&self) -> Initializer {
@@ -1908,6 +1857,7 @@ impl<T: Read> Read for Take<T> {
self.inner.initializer()
}
-
- fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
- let reservation_size = cmp::min(self.limit, 32) as usize;
-
- read_to_end_with_reservation(self, buf, reservation_size)
- }
+ #[cfg(feature="collections")]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
let reservation_size = cmp::min(self.limit, 32) as usize;
@@ -1915,7 +1865,7 @@ impl<T: Read> Read for Take<T> {
}
}
-#[stable(feature = "rust1", since = "1.0.0")]
@ -1426,7 +1426,7 @@ index 076524e..0aa9ade 100644
impl<T: BufRead> BufRead for Take<T> {
fn fill_buf(&mut self) -> Result<&[u8]> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1954,13 +1897,11 @@ fn read_one_byte(reader: &mut dyn Read) -> Option<Result<u8>> {
@@ -1954,13 +1904,11 @@ fn read_one_byte(reader: &mut dyn Read) -> Option<Result<u8>> {
/// Please see the documentation of [`bytes`] for more details.
///
/// [`bytes`]: trait.Read.html#method.bytes
@ -1440,7 +1440,7 @@ index 076524e..0aa9ade 100644
impl<R: Read> Iterator for Bytes<R> {
type Item = Result<u8>;
@@ -1976,14 +1917,14 @@ impl<R: Read> Iterator for Bytes<R> {
@@ -1976,14 +1924,14 @@ impl<R: Read> Iterator for Bytes<R> {
/// `BufRead`. Please see the documentation of `split()` for more details.
///
/// [split]: trait.BufRead.html#method.split
@ -1457,7 +1457,7 @@ index 076524e..0aa9ade 100644
impl<B: BufRead> Iterator for Split<B> {
type Item = Result<Vec<u8>>;
@@ -2008,13 +1949,13 @@ impl<B: BufRead> Iterator for Split<B> {
@@ -2008,13 +1956,13 @@ impl<B: BufRead> Iterator for Split<B> {
/// `BufRead`. Please see the documentation of `lines()` for more details.
///
/// [lines]: trait.BufRead.html#method.lines

353
patches/271eb8fc5a420280937bb1745f1e7aee7901ad26.patch
View File

@ -15,7 +15,7 @@ index bf406bb..067523b 100644
+use core::fmt;
use crate::io::{self, Initializer, DEFAULT_BUF_SIZE, Error, ErrorKind, SeekFrom, IoVec, IoVecMut};
-use crate::memchr;
+use io::memchr;
+use crate::io::memchr;
/// The `BufReader` struct adds buffering to any reader.
///
@ -311,21 +311,19 @@ diff --git a/cursor.rs b/cursor.rs
index 247d45c..f13522d 100644
--- a/cursor.rs
+++ b/cursor.rs
@@ -1,9 +1,10 @@
@@ -1,9 +1,9 @@
use crate::io::prelude::*;
-use crate::cmp;
-use crate::io::{self, Initializer, SeekFrom, Error, ErrorKind, IoVec, IoVecMut};
+use core::cmp;
+use crate::io::{self, Initializer, SeekFrom, Error, ErrorKind};
+#[cfg(feature="collections")] use crate::io::{IoVec, IoVecMut};
use crate::io::{self, Initializer, SeekFrom, Error, ErrorKind, IoVec, IoVecMut};
-use core::convert::TryInto;
+#[cfg(feature="collections")] use core::convert::TryInto;
/// A `Cursor` wraps an in-memory buffer and provides it with a
/// [`Seek`] implementation.
@@ -71,7 +72,6 @@ use core::convert::TryInto;
@@ -71,7 +71,6 @@ use core::convert::TryInto;
/// assert_eq!(&buff.get_ref()[5..15], &[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]);
/// }
/// ```
@ -333,7 +331,7 @@ index 247d45c..f13522d 100644
#[derive(Clone, Debug)]
pub struct Cursor<T> {
inner: T,
@@ -94,7 +94,6 @@ impl<T> Cursor<T> {
@@ -94,7 +93,6 @@ impl<T> Cursor<T> {
/// # fn force_inference(_: &Cursor<Vec<u8>>) {}
/// # force_inference(&buff);
/// ```
@ -341,7 +339,7 @@ index 247d45c..f13522d 100644
pub fn new(inner: T) -> Cursor<T> {
Cursor { pos: 0, inner: inner }
}
@@ -112,7 +111,6 @@ impl<T> Cursor<T> {
@@ -112,7 +110,6 @@ impl<T> Cursor<T> {
///
/// let vec = buff.into_inner();
/// ```
@ -349,7 +347,7 @@ index 247d45c..f13522d 100644
pub fn into_inner(self) -> T { self.inner }
/// Gets a reference to the underlying value in this cursor.
@@ -128,7 +126,6 @@ impl<T> Cursor<T> {
@@ -128,7 +125,6 @@ impl<T> Cursor<T> {
///
/// let reference = buff.get_ref();
/// ```
@ -357,7 +355,7 @@ index 247d45c..f13522d 100644
pub fn get_ref(&self) -> &T { &self.inner }
/// Gets a mutable reference to the underlying value in this cursor.
@@ -147,7 +144,6 @@ impl<T> Cursor<T> {
@@ -147,7 +143,6 @@ impl<T> Cursor<T> {
///
/// let reference = buff.get_mut();
/// ```
@ -365,7 +363,7 @@ index 247d45c..f13522d 100644
pub fn get_mut(&mut self) -> &mut T { &mut self.inner }
/// Returns the current position of this cursor.
@@ -169,7 +165,6 @@ impl<T> Cursor<T> {
@@ -169,7 +164,6 @@ impl<T> Cursor<T> {
/// buff.seek(SeekFrom::Current(-1)).unwrap();
/// assert_eq!(buff.position(), 1);
/// ```
@ -373,7 +371,7 @@ index 247d45c..f13522d 100644
pub fn position(&self) -> u64 { self.pos }
/// Sets the position of this cursor.
@@ -189,11 +184,9 @@ impl<T> Cursor<T> {
@@ -189,11 +183,9 @@ impl<T> Cursor<T> {
/// buff.set_position(4);
/// assert_eq!(buff.position(), 4);
/// ```
@ -385,7 +383,7 @@ index 247d45c..f13522d 100644
impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
fn seek(&mut self, style: SeekFrom) -> io::Result<u64> {
let (base_pos, offset) = match style {
@@ -222,14 +215,14 @@ impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
@@ -222,10 +214,9 @@ impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
}
}
@ -397,12 +395,7 @@ index 247d45c..f13522d 100644
self.pos += n as u64;
Ok(n)
}
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nread = 0;
for buf in bufs {
@@ -244,7 +237,7 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
@@ -244,7 +235,7 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
fn read_exact(&mut self, buf: &mut [u8]) -> io::Result<()> {
let n = buf.len();
@ -411,7 +404,7 @@ index 247d45c..f13522d 100644
self.pos += n as u64;
Ok(())
}
@@ -255,12 +248,16 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
@@ -255,12 +246,16 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
}
}
@ -431,15 +424,7 @@ index 247d45c..f13522d 100644
fn consume(&mut self, amt: usize) { self.pos += amt as u64; }
}
@@ -272,6 +269,7 @@ fn slice_write(pos_mut: &mut u64, slice: &mut [u8], buf: &[u8]) -> io::Result<us
Ok(amt)
}
+#[cfg(feature="collections")]
fn slice_write_vectored(
pos_mut: &mut u64,
slice: &mut [u8],
@@ -290,6 +288,7 @@ fn slice_write_vectored(
@@ -290,6 +285,7 @@ fn slice_write_vectored(
}
// Resizing write implementation
@ -447,7 +432,7 @@ index 247d45c..f13522d 100644
fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usize> {
let pos: usize = (*pos_mut).try_into().map_err(|_| {
Error::new(ErrorKind::InvalidInput,
@@ -316,6 +315,7 @@ fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usi
@@ -316,6 +312,7 @@ fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usi
Ok(buf.len())
}
@ -455,7 +440,7 @@ index 247d45c..f13522d 100644
fn vec_write_vectored(
pos_mut: &mut u64,
vec: &mut Vec<u8>,
@@ -329,13 +329,13 @@ fn vec_write_vectored(
@@ -329,7 +326,6 @@ fn vec_write_vectored(
Ok(nwritten)
}
@ -463,14 +448,7 @@ index 247d45c..f13522d 100644
impl Write for Cursor<&mut [u8]> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
slice_write(&mut self.pos, self.inner, buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
slice_write_vectored(&mut self.pos, self.inner, bufs)
@@ -344,12 +344,13 @@ impl Write for Cursor<&mut [u8]> {
@@ -344,7 +340,7 @@ impl Write for Cursor<&mut [u8]> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -479,13 +457,7 @@ index 247d45c..f13522d 100644
impl Write for Cursor<&mut Vec<u8>> {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
vec_write(&mut self.pos, self.inner, buf)
}
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
vec_write_vectored(&mut self.pos, self.inner, bufs)
}
@@ -357,12 +358,13 @@ impl Write for Cursor<&mut Vec<u8>> {
@@ -357,7 +353,7 @@ impl Write for Cursor<&mut Vec<u8>> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -494,13 +466,7 @@ index 247d45c..f13522d 100644
impl Write for Cursor<Vec<u8>> {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
vec_write(&mut self.pos, &mut self.inner, buf)
}
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
vec_write_vectored(&mut self.pos, &mut self.inner, bufs)
}
@@ -370,13 +372,14 @@ impl Write for Cursor<Vec<u8>> {
@@ -370,8 +366,8 @@ impl Write for Cursor<Vec<u8>> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -511,12 +477,6 @@ index 247d45c..f13522d 100644
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
slice_write(&mut self.pos, &mut self.inner, buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
slice_write_vectored(&mut self.pos, &mut self.inner, bufs)
diff --git a/error.rs b/error.rs
index c29a68e..c94d8c5 100644
--- a/error.rs
@ -844,7 +804,7 @@ diff --git a/impls.rs b/impls.rs
index 0eac96f..74d5f66 100644
--- a/impls.rs
+++ b/impls.rs
@@ -1,19 +1,22 @@
@@ -1,13 +1,15 @@
-use crate::cmp;
-use crate::io::{self, SeekFrom, Read, Initializer, Write, Seek, BufRead, Error, ErrorKind, IoVecMut,
- IoVec};
@ -852,8 +812,8 @@ index 0eac96f..74d5f66 100644
-use crate::mem;
+#[cfg(feature="alloc")] use alloc::boxed::Box;
+use core::cmp;
+use crate::io::{self, SeekFrom, Read, Initializer, Write, Seek, Error, ErrorKind};
+#[cfg(feature="collections")] use crate::io::{BufRead, IoVecMut, IoVec};
+use crate::io::{self, SeekFrom, Read, Initializer, Write, Seek, Error, ErrorKind, IoVecMut, IoVec};
+#[cfg(feature="collections")] use crate::io::BufRead;
+use core::fmt;
+use core::mem;
+#[cfg(feature="collections")] use collections::string::String;
@ -866,14 +826,7 @@ index 0eac96f..74d5f66 100644
impl<R: Read + ?Sized> Read for &mut R {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
(**self).read(buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
(**self).read_vectored(bufs)
@@ -24,11 +27,13 @@ impl<R: Read + ?Sized> Read for &mut R {
@@ -24,11 +26,13 @@ impl<R: Read + ?Sized> Read for &mut R {
(**self).initializer()
}
@ -887,7 +840,7 @@ index 0eac96f..74d5f66 100644
#[inline]
fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> {
(**self).read_to_string(buf)
@@ -39,11 +44,11 @@ impl<R: Read + ?Sized> Read for &mut R {
@@ -39,7 +43,6 @@ impl<R: Read + ?Sized> Read for &mut R {
(**self).read_exact(buf)
}
}
@ -895,12 +848,7 @@ index 0eac96f..74d5f66 100644
impl<W: Write + ?Sized> Write for &mut W {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { (**self).write(buf) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
(**self).write_vectored(bufs)
@@ -62,12 +67,11 @@ impl<W: Write + ?Sized> Write for &mut W {
@@ -62,12 +65,11 @@ impl<W: Write + ?Sized> Write for &mut W {
(**self).write_fmt(fmt)
}
}
@ -914,7 +862,7 @@ index 0eac96f..74d5f66 100644
impl<B: BufRead + ?Sized> BufRead for &mut B {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { (**self).fill_buf() }
@@ -86,13 +90,14 @@ impl<B: BufRead + ?Sized> BufRead for &mut B {
@@ -86,7 +88,7 @@ impl<B: BufRead + ?Sized> BufRead for &mut B {
}
}
@ -923,14 +871,7 @@ index 0eac96f..74d5f66 100644
impl<R: Read + ?Sized> Read for Box<R> {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
(**self).read(buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
(**self).read_vectored(bufs)
@@ -103,11 +108,13 @@ impl<R: Read + ?Sized> Read for Box<R> {
@@ -103,11 +105,13 @@ impl<R: Read + ?Sized> Read for Box<R> {
(**self).initializer()
}
@ -944,7 +885,7 @@ index 0eac96f..74d5f66 100644
#[inline]
fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> {
(**self).read_to_string(buf)
@@ -118,11 +125,12 @@ impl<R: Read + ?Sized> Read for Box<R> {
@@ -118,7 +122,7 @@ impl<R: Read + ?Sized> Read for Box<R> {
(**self).read_exact(buf)
}
}
@ -953,12 +894,7 @@ index 0eac96f..74d5f66 100644
impl<W: Write + ?Sized> Write for Box<W> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { (**self).write(buf) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
(**self).write_vectored(bufs)
@@ -141,12 +149,12 @@ impl<W: Write + ?Sized> Write for Box<W> {
@@ -141,12 +145,12 @@ impl<W: Write + ?Sized> Write for Box<W> {
(**self).write_fmt(fmt)
}
}
@ -973,7 +909,7 @@ index 0eac96f..74d5f66 100644
impl<B: BufRead + ?Sized> BufRead for Box<B> {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { (**self).fill_buf() }
@@ -186,7 +194,6 @@ impl Write for Box<dyn (::realstd::io::Write) + Send> {
@@ -186,7 +190,6 @@ impl Write for Box<dyn (::realstd::io::Write) + Send> {
///
/// Note that reading updates the slice to point to the yet unread part.
/// The slice will be empty when EOF is reached.
@ -981,15 +917,7 @@ index 0eac96f..74d5f66 100644
impl Read for &[u8] {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
@@ -206,6 +213,7 @@ impl Read for &[u8] {
Ok(amt)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nread = 0;
@@ -245,6 +253,7 @@ impl Read for &[u8] {
@@ -245,6 +248,7 @@ impl Read for &[u8] {
Ok(())
}
@ -997,7 +925,7 @@ index 0eac96f..74d5f66 100644
#[inline]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> io::Result<usize> {
buf.extend_from_slice(*self);
@@ -254,7 +263,7 @@ impl Read for &[u8] {
@@ -254,7 +258,7 @@ impl Read for &[u8] {
}
}
@ -1006,7 +934,7 @@ index 0eac96f..74d5f66 100644
impl BufRead for &[u8] {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { Ok(*self) }
@@ -268,7 +277,6 @@ impl BufRead for &[u8] {
@@ -268,7 +272,6 @@ impl BufRead for &[u8] {
///
/// Note that writing updates the slice to point to the yet unwritten part.
/// The slice will be empty when it has been completely overwritten.
@ -1014,15 +942,7 @@ index 0eac96f..74d5f66 100644
impl Write for &mut [u8] {
#[inline]
fn write(&mut self, data: &[u8]) -> io::Result<usize> {
@@ -279,6 +287,7 @@ impl Write for &mut [u8] {
Ok(amt)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let mut nwritten = 0;
@@ -307,7 +316,7 @@ impl Write for &mut [u8] {
@@ -307,7 +310,7 @@ impl Write for &mut [u8] {
/// Write is implemented for `Vec<u8>` by appending to the vector.
/// The vector will grow as needed.
@ -1031,14 +951,6 @@ index 0eac96f..74d5f66 100644
impl Write for Vec<u8> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
@@ -315,6 +324,7 @@ impl Write for Vec<u8> {
Ok(buf.len())
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let len = bufs.iter().map(|b| b.len()).sum();
diff --git a/mod.rs b/mod.rs
index 1ce66b9..fad199d 100644
--- a/mod.rs
@ -1072,9 +984,9 @@ index 1ce66b9..fad199d 100644
+mod memchr;
+#[cfg(all(feature="collections",core_memchr))]
+use core::slice::memchr;
+#[cfg(feature="collections")] use core::ops::{Deref, DerefMut};
+use core::ptr;
+use core::slice;
+use core::ops::{Deref, DerefMut};
+use core::ptr;
+
+#[cfg(feature="collections")] pub use self::buffered::{BufReader, BufWriter, LineWriter};
+#[cfg(feature="collections")] pub use self::buffered::IntoInnerError;
@ -1134,23 +1046,7 @@ index 1ce66b9..fad199d 100644
fn read_to_end_with_reservation<R: Read + ?Sized>(r: &mut R,
buf: &mut Vec<u8>,
reservation_size: usize) -> Result<usize>
@@ -390,6 +381,7 @@ fn read_to_end_with_reservation<R: Read + ?Sized>(r: &mut R,
ret
}
+#[cfg(feature="collections")]
pub(crate) fn default_read_vectored<F>(read: F, bufs: &mut [IoVecMut<'_>]) -> Result<usize>
where
F: FnOnce(&mut [u8]) -> Result<usize>
@@ -401,6 +393,7 @@ where
read(buf)
}
+#[cfg(feature="collections")]
pub(crate) fn default_write_vectored<F>(write: F, bufs: &[IoVec<'_>]) -> Result<usize>
where
F: FnOnce(&[u8]) -> Result<usize>
@@ -484,7 +477,6 @@ where
@@ -484,7 +475,6 @@ where
/// [`BufReader`]: struct.BufReader.html
/// [`&str`]: ../../std/primitive.str.html
/// [slice]: ../../std/primitive.slice.html
@ -1158,7 +1054,7 @@ index 1ce66b9..fad199d 100644
#[doc(spotlight)]
pub trait Read {
/// Pull some bytes from this source into the specified buffer, returning
@@ -543,7 +535,6 @@ pub trait Read {
@@ -543,7 +533,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1166,16 +1062,15 @@ index 1ce66b9..fad199d 100644
fn read(&mut self, buf: &mut [u8]) -> Result<usize>;
/// Like `read`, except that it reads into a slice of buffers.
@@ -554,7 +545,7 @@ pub trait Read {
@@ -554,7 +543,6 @@ pub trait Read {
///
/// The default implementation calls `read` with either the first nonempty
/// buffer provided, or an empty one if none exists.
- #[unstable(feature = "iovec", issue = "58452")]
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> Result<usize> {
default_read_vectored(|b| self.read(b), bufs)
}
@@ -581,7 +572,6 @@ pub trait Read {
@@ -581,7 +569,6 @@ pub trait Read {
///
/// [`Initializer::nop()`]: ../../std/io/struct.Initializer.html#method.nop
/// [`Initializer`]: ../../std/io/struct.Initializer.html
@ -1183,7 +1078,7 @@ index 1ce66b9..fad199d 100644
#[inline]
unsafe fn initializer(&self) -> Initializer {
Initializer::zeroing()
@@ -634,7 +624,7 @@ pub trait Read {
@@ -634,7 +621,7 @@ pub trait Read {
/// file.)
///
/// [`std::fs::read`]: ../fs/fn.read.html
@ -1192,7 +1087,7 @@ index 1ce66b9..fad199d 100644
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
read_to_end(self, buf)
}
@@ -677,7 +667,7 @@ pub trait Read {
@@ -677,7 +664,7 @@ pub trait Read {
/// reading from a file.)
///
/// [`std::fs::read_to_string`]: ../fs/fn.read_to_string.html
@ -1201,7 +1096,7 @@ index 1ce66b9..fad199d 100644
fn read_to_string(&mut self, buf: &mut String) -> Result<usize> {
// Note that we do *not* call `.read_to_end()` here. We are passing
// `&mut Vec<u8>` (the raw contents of `buf`) into the `read_to_end`
@@ -740,7 +730,6 @@ pub trait Read {
@@ -740,7 +727,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1209,7 +1104,7 @@ index 1ce66b9..fad199d 100644
fn read_exact(&mut self, mut buf: &mut [u8]) -> Result<()> {
while !buf.is_empty() {
match self.read(buf) {
@@ -792,7 +781,6 @@ pub trait Read {
@@ -792,7 +778,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1217,7 +1112,7 @@ index 1ce66b9..fad199d 100644
fn by_ref(&mut self) -> &mut Self where Self: Sized { self }
/// Transforms this `Read` instance to an [`Iterator`] over its bytes.
@@ -829,7 +817,6 @@ pub trait Read {
@@ -829,7 +814,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1225,7 +1120,7 @@ index 1ce66b9..fad199d 100644
fn bytes(self) -> Bytes<Self> where Self: Sized {
Bytes { inner: self }
}
@@ -864,7 +851,6 @@ pub trait Read {
@@ -864,7 +848,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1233,7 +1128,7 @@ index 1ce66b9..fad199d 100644
fn chain<R: Read>(self, next: R) -> Chain<Self, R> where Self: Sized {
Chain { first: self, second: next, done_first: false }
}
@@ -900,42 +886,77 @@ pub trait Read {
@@ -900,22 +883,52 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1243,10 +1138,8 @@ index 1ce66b9..fad199d 100644
}
}
+#[cfg(feature="collections")]
+pub struct IoVecBuffer<'a>(&'a [u8]);
+
+#[cfg(feature="collections")]
+impl<'a> IoVecBuffer<'a> {
+ #[inline]
+ pub fn new(buf: &'a [u8]) -> IoVecBuffer<'a> {
@ -1258,10 +1151,9 @@ index 1ce66b9..fad199d 100644
+ self.0
+ }
+}
+#[cfg(feature="collections")]
+
+pub struct IoVecMutBuffer<'a>(&'a mut [u8]);
+
+#[cfg(feature="collections")]
+impl<'a> IoVecMutBuffer<'a> {
+ #[inline]
+ pub fn new(buf: &'a mut [u8]) -> IoVecMutBuffer<'a> {
@ -1285,23 +1177,15 @@ index 1ce66b9..fad199d 100644
/// ABI compatible with the `iovec` type on Unix platforms and `WSABUF` on
/// Windows.
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
#[repr(transparent)]
-pub struct IoVecMut<'a>(sys::io::IoVecMut<'a>);
+pub struct IoVecMut<'a>(IoVecMutBuffer<'a>);
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> fmt::Debug for IoVecMut<'a> {
fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
fmt::Debug::fmt(self.0.as_slice(), fmt)
}
}
+#[cfg(feature="collections")]
impl<'a> IoVecMut<'a> {
/// Creates a new `IoVecMut` wrapping a byte slice.
///
@@ -928,14 +941,12 @@ impl<'a> IoVecMut<'a> {
/// # Panics
///
/// Panics on Windows if the slice is larger than 4GB.
@ -1314,41 +1198,31 @@ index 1ce66b9..fad199d 100644
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> Deref for IoVecMut<'a> {
type Target = [u8];
@@ -945,7 +966,7 @@ impl<'a> Deref for IoVecMut<'a> {
@@ -945,7 +956,6 @@ impl<'a> Deref for IoVecMut<'a> {
}
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> DerefMut for IoVecMut<'a> {
#[inline]
fn deref_mut(&mut self) -> &mut [u8] {
@@ -958,31 +979,31 @@ impl<'a> DerefMut for IoVecMut<'a> {
@@ -958,11 +968,9 @@ impl<'a> DerefMut for IoVecMut<'a> {
/// It is semantically a wrapper around an `&[u8]`, but is guaranteed to be
/// ABI compatible with the `iovec` type on Unix platforms and `WSABUF` on
/// Windows.
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
#[repr(transparent)]
-pub struct IoVec<'a>(sys::io::IoVec<'a>);
+pub struct IoVec<'a>(IoVecBuffer<'a>);
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> fmt::Debug for IoVec<'a> {
fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
fmt::Debug::fmt(self.0.as_slice(), fmt)
}
}
+#[cfg(feature="collections")]
impl<'a> IoVec<'a> {
/// Creates a new `IoVec` wrapping a byte slice.
///
@@ -975,14 +983,12 @@ impl<'a> IoVec<'a> {
/// # Panics
///
/// Panics on Windows if the slice is larger than 4GB.
@ -1361,11 +1235,10 @@ index 1ce66b9..fad199d 100644
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> Deref for IoVec<'a> {
type Target = [u8];
@@ -993,13 +1014,11 @@ impl<'a> Deref for IoVec<'a> {
@@ -993,13 +999,11 @@ impl<'a> Deref for IoVec<'a> {
}
/// A type used to conditionally initialize buffers passed to `Read` methods.
@ -1379,7 +1252,7 @@ index 1ce66b9..fad199d 100644
#[inline]
pub fn zeroing() -> Initializer {
Initializer(true)
@@ -1013,21 +1032,18 @@ impl Initializer {
@@ -1013,21 +1017,18 @@ impl Initializer {
/// read from buffers passed to `Read` methods, and that the return value of
/// the method accurately reflects the number of bytes that have been
/// written to the head of the buffer.
@ -1401,7 +1274,7 @@ index 1ce66b9..fad199d 100644
#[inline]
pub fn initialize(&self, buf: &mut [u8]) {
if self.should_initialize() {
@@ -1081,7 +1097,6 @@ impl Initializer {
@@ -1081,7 +1082,6 @@ impl Initializer {
/// `write` in a loop until its entire input has been written.
///
/// [`write_all`]: #method.write_all
@ -1409,7 +1282,7 @@ index 1ce66b9..fad199d 100644
#[doc(spotlight)]
pub trait Write {
/// Write a buffer into this writer, returning how many bytes were written.
@@ -1130,7 +1145,6 @@ pub trait Write {
@@ -1130,7 +1130,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1417,16 +1290,15 @@ index 1ce66b9..fad199d 100644
fn write(&mut self, buf: &[u8]) -> Result<usize>;
/// Like `write`, except that it writes from a slice of buffers.
@@ -1141,7 +1155,7 @@ pub trait Write {
@@ -1141,7 +1140,6 @@ pub trait Write {
///
/// The default implementation calls `write` with either the first nonempty
/// buffer provided, or an empty one if none exists.
- #[unstable(feature = "iovec", issue = "58452")]
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> Result<usize> {
default_write_vectored(|b| self.write(b), bufs)
}
@@ -1169,7 +1183,6 @@ pub trait Write {
@@ -1169,7 +1167,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1434,7 +1306,7 @@ index 1ce66b9..fad199d 100644
fn flush(&mut self) -> Result<()>;
/// Attempts to write an entire buffer into this writer.
@@ -1202,7 +1215,6 @@ pub trait Write {
@@ -1202,7 +1199,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1442,7 +1314,7 @@ index 1ce66b9..fad199d 100644
fn write_all(&mut self, mut buf: &[u8]) -> Result<()> {
while !buf.is_empty() {
match self.write(buf) {
@@ -1254,7 +1266,6 @@ pub trait Write {
@@ -1254,7 +1250,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1450,7 +1322,7 @@ index 1ce66b9..fad199d 100644
fn write_fmt(&mut self, fmt: fmt::Arguments<'_>) -> Result<()> {
// Create a shim which translates a Write to a fmt::Write and saves
// off I/O errors. instead of discarding them
@@ -1310,7 +1321,6 @@ pub trait Write {
@@ -1310,7 +1305,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1458,7 +1330,7 @@ index 1ce66b9..fad199d 100644
fn by_ref(&mut self) -> &mut Self where Self: Sized { self }
}
@@ -1340,7 +1350,6 @@ pub trait Write {
@@ -1340,7 +1334,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1466,7 +1338,7 @@ index 1ce66b9..fad199d 100644
pub trait Seek {
/// Seek to an offset, in bytes, in a stream.
///
@@ -1356,7 +1365,6 @@ pub trait Seek {
@@ -1356,7 +1349,6 @@ pub trait Seek {
/// Seeking to a negative offset is considered an error.
///
/// [`SeekFrom::Start`]: enum.SeekFrom.html#variant.Start
@ -1474,7 +1346,7 @@ index 1ce66b9..fad199d 100644
fn seek(&mut self, pos: SeekFrom) -> Result<u64>;
/// Returns the length of this stream (in bytes).
@@ -1394,7 +1402,6 @@ pub trait Seek {
@@ -1394,7 +1386,6 @@ pub trait Seek {
/// Ok(())
/// }
/// ```
@ -1482,7 +1354,7 @@ index 1ce66b9..fad199d 100644
fn stream_len(&mut self) -> Result<u64> {
let old_pos = self.stream_position()?;
let len = self.seek(SeekFrom::End(0))?;
@@ -1433,7 +1440,6 @@ pub trait Seek {
@@ -1433,7 +1424,6 @@ pub trait Seek {
/// Ok(())
/// }
/// ```
@ -1490,7 +1362,7 @@ index 1ce66b9..fad199d 100644
fn stream_position(&mut self) -> Result<u64> {
self.seek(SeekFrom::Current(0))
}
@@ -1445,29 +1451,26 @@ pub trait Seek {
@@ -1445,29 +1435,26 @@ pub trait Seek {
///
/// [`Seek`]: trait.Seek.html
#[derive(Copy, PartialEq, Eq, Clone, Debug)]
@ -1524,7 +1396,7 @@ index 1ce66b9..fad199d 100644
fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
-> Result<usize> {
let mut read = 0;
@@ -1547,7 +1550,7 @@ fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
@@ -1547,7 +1534,7 @@ fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
/// }
/// ```
///
@ -1533,7 +1405,7 @@ index 1ce66b9..fad199d 100644
pub trait BufRead: Read {
/// Returns the contents of the internal buffer, filling it with more data
/// from the inner reader if it is empty.
@@ -1593,7 +1596,6 @@ pub trait BufRead: Read {
@@ -1593,7 +1580,6 @@ pub trait BufRead: Read {
/// // ensure the bytes we worked with aren't returned again later
/// stdin.consume(length);
/// ```
@ -1541,7 +1413,7 @@ index 1ce66b9..fad199d 100644
fn fill_buf(&mut self) -> Result<&[u8]>;
/// Tells this buffer that `amt` bytes have been consumed from the buffer,
@@ -1615,7 +1617,6 @@ pub trait BufRead: Read {
@@ -1615,7 +1601,6 @@ pub trait BufRead: Read {
/// that method's example includes an example of `consume()`.
///
/// [`fill_buf`]: #tymethod.fill_buf
@ -1549,7 +1421,7 @@ index 1ce66b9..fad199d 100644
fn consume(&mut self, amt: usize);
/// Read all bytes into `buf` until the delimiter `byte` or EOF is reached.
@@ -1671,7 +1672,6 @@ pub trait BufRead: Read {
@@ -1671,7 +1656,6 @@ pub trait BufRead: Read {
/// assert_eq!(num_bytes, 0);
/// assert_eq!(buf, b"");
/// ```
@ -1557,7 +1429,7 @@ index 1ce66b9..fad199d 100644
fn read_until(&mut self, byte: u8, buf: &mut Vec<u8>) -> Result<usize> {
read_until(self, byte, buf)
}
@@ -1730,7 +1730,6 @@ pub trait BufRead: Read {
@@ -1730,7 +1714,6 @@ pub trait BufRead: Read {
/// assert_eq!(num_bytes, 0);
/// assert_eq!(buf, "");
/// ```
@ -1565,7 +1437,7 @@ index 1ce66b9..fad199d 100644
fn read_line(&mut self, buf: &mut String) -> Result<usize> {
// Note that we are not calling the `.read_until` method here, but
// rather our hardcoded implementation. For more details as to why, see
@@ -1771,7 +1770,6 @@ pub trait BufRead: Read {
@@ -1771,7 +1754,6 @@ pub trait BufRead: Read {
/// assert_eq!(split_iter.next(), Some(b"dolor".to_vec()));
/// assert_eq!(split_iter.next(), None);
/// ```
@ -1573,7 +1445,7 @@ index 1ce66b9..fad199d 100644
fn split(self, byte: u8) -> Split<Self> where Self: Sized {
Split { buf: self, delim: byte }
}
@@ -1810,7 +1808,6 @@ pub trait BufRead: Read {
@@ -1810,7 +1792,6 @@ pub trait BufRead: Read {
/// Each line of the iterator has the same error semantics as [`BufRead::read_line`].
///
/// [`BufRead::read_line`]: trait.BufRead.html#method.read_line
@ -1581,7 +1453,7 @@ index 1ce66b9..fad199d 100644
fn lines(self) -> Lines<Self> where Self: Sized {
Lines { buf: self }
}
@@ -1822,7 +1819,6 @@ pub trait BufRead: Read {
@@ -1822,7 +1803,6 @@ pub trait BufRead: Read {
/// Please see the documentation of [`chain`] for more details.
///
/// [`chain`]: trait.Read.html#method.chain
@ -1589,7 +1461,7 @@ index 1ce66b9..fad199d 100644
pub struct Chain<T, U> {
first: T,
second: U,
@@ -1848,7 +1844,6 @@ impl<T, U> Chain<T, U> {
@@ -1848,7 +1828,6 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1597,7 +1469,7 @@ index 1ce66b9..fad199d 100644
pub fn into_inner(self) -> (T, U) {
(self.first, self.second)
}
@@ -1871,7 +1866,6 @@ impl<T, U> Chain<T, U> {
@@ -1871,7 +1850,6 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1605,7 +1477,7 @@ index 1ce66b9..fad199d 100644
pub fn get_ref(&self) -> (&T, &U) {
(&self.first, &self.second)
}
@@ -1898,13 +1892,11 @@ impl<T, U> Chain<T, U> {
@@ -1898,13 +1876,11 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1619,7 +1491,7 @@ index 1ce66b9..fad199d 100644
impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.debug_struct("Chain")
@@ -1914,7 +1906,6 @@ impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
@@ -1914,7 +1890,6 @@ impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
}
}
@ -1627,15 +1499,7 @@ index 1ce66b9..fad199d 100644
impl<T: Read, U: Read> Read for Chain<T, U> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
if !self.done_first {
@@ -1926,6 +1917,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
self.second.read(buf)
}
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> Result<usize> {
if !self.done_first {
match self.first.read_vectored(bufs)? {
@@ -1946,7 +1938,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
@@ -1946,7 +1921,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
}
}
@ -1644,7 +1508,7 @@ index 1ce66b9..fad199d 100644
impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
fn fill_buf(&mut self) -> Result<&[u8]> {
if !self.done_first {
@@ -1973,7 +1965,6 @@ impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
@@ -1973,7 +1948,6 @@ impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
/// Please see the documentation of [`take`] for more details.
///
/// [`take`]: trait.Read.html#method.take
@ -1652,7 +1516,7 @@ index 1ce66b9..fad199d 100644
#[derive(Debug)]
pub struct Take<T> {
inner: T,
@@ -2008,7 +1999,6 @@ impl<T> Take<T> {
@@ -2008,7 +1982,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1660,7 +1524,7 @@ index 1ce66b9..fad199d 100644
pub fn limit(&self) -> u64 { self.limit }
/// Sets the number of bytes that can be read before this instance will
@@ -2034,7 +2024,6 @@ impl<T> Take<T> {
@@ -2034,7 +2007,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1668,7 +1532,7 @@ index 1ce66b9..fad199d 100644
pub fn set_limit(&mut self, limit: u64) {
self.limit = limit;
}
@@ -2059,7 +2048,6 @@ impl<T> Take<T> {
@@ -2059,7 +2031,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1676,7 +1540,7 @@ index 1ce66b9..fad199d 100644
pub fn into_inner(self) -> T {
self.inner
}
@@ -2084,7 +2072,6 @@ impl<T> Take<T> {
@@ -2084,7 +2055,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1684,7 +1548,7 @@ index 1ce66b9..fad199d 100644
pub fn get_ref(&self) -> &T {
&self.inner
}
@@ -2113,13 +2100,11 @@ impl<T> Take<T> {
@@ -2113,13 +2083,11 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1698,16 +1562,16 @@ index 1ce66b9..fad199d 100644
impl<T: Read> Read for Take<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
// Don't call into inner reader at all at EOF because it may still block
@@ -2136,15 +2121,9 @@ impl<T: Read> Read for Take<T> {
unsafe fn initializer(&self) -> Initializer {
@@ -2137,6 +2105,7 @@ impl<T: Read> Read for Take<T> {
self.inner.initializer()
}
-
- fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
- let reservation_size = cmp::min(self.limit, 32) as usize;
-
- read_to_end_with_reservation(self, buf, reservation_size)
- }
+ #[cfg(feature="collections")]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
let reservation_size = cmp::min(self.limit, 32) as usize;
@@ -2144,7 +2113,7 @@ impl<T: Read> Read for Take<T> {
}
}
-#[stable(feature = "rust1", since = "1.0.0")]
@ -1715,7 +1579,7 @@ index 1ce66b9..fad199d 100644
impl<T: BufRead> BufRead for Take<T> {
fn fill_buf(&mut self) -> Result<&[u8]> {
// Don't call into inner reader at all at EOF because it may still block
@@ -2171,13 +2150,11 @@ impl<T: BufRead> BufRead for Take<T> {
@@ -2171,13 +2140,11 @@ impl<T: BufRead> BufRead for Take<T> {
/// Please see the documentation of [`bytes`] for more details.
///
/// [`bytes`]: trait.Read.html#method.bytes
@ -1729,7 +1593,7 @@ index 1ce66b9..fad199d 100644
impl<R: Read> Iterator for Bytes<R> {
type Item = Result<u8>;
@@ -2201,14 +2178,14 @@ impl<R: Read> Iterator for Bytes<R> {
@@ -2201,14 +2168,14 @@ impl<R: Read> Iterator for Bytes<R> {
/// `BufRead`. Please see the documentation of `split()` for more details.
///
/// [split]: trait.BufRead.html#method.split
@ -1746,7 +1610,7 @@ index 1ce66b9..fad199d 100644
impl<B: BufRead> Iterator for Split<B> {
type Item = Result<Vec<u8>>;
@@ -2233,13 +2210,13 @@ impl<B: BufRead> Iterator for Split<B> {
@@ -2233,13 +2200,13 @@ impl<B: BufRead> Iterator for Split<B> {
/// `BufRead`. Please see the documentation of `lines()` for more details.
///
/// [lines]: trait.BufRead.html#method.lines
@ -1789,8 +1653,8 @@ index d2638be..1296fe1 100644
-use crate::io::{self, Read, Initializer, Write, ErrorKind, BufRead, IoVec, IoVecMut};
-use crate::mem;
+use core::fmt;
+use crate::io::{self, Read, Initializer, Write, ErrorKind};
+#[cfg(feature="collections")] use crate::io::{BufRead, IoVec, IoVecMut};
+use crate::io::{self, Read, Initializer, Write, ErrorKind, IoVec, IoVecMut};
+#[cfg(feature="collections")] use crate::io::BufRead;
+use core::mem;
/// Copies the entire contents of a reader into a writer.
@ -1859,15 +1723,7 @@ index d2638be..1296fe1 100644
impl Read for Repeat {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
@@ -152,6 +146,7 @@ impl Read for Repeat {
Ok(buf.len())
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nwritten = 0;
@@ -167,7 +162,6 @@ impl Read for Repeat {
@@ -167,7 +161,6 @@ impl Read for Repeat {
}
}
@ -1875,7 +1731,7 @@ index d2638be..1296fe1 100644
impl fmt::Debug for Repeat {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.pad("Repeat { .. }")
@@ -180,7 +174,6 @@ impl fmt::Debug for Repeat {
@@ -180,7 +173,6 @@ impl fmt::Debug for Repeat {
/// see the documentation of `sink()` for more details.
///
/// [sink]: fn.sink.html
@ -1883,7 +1739,7 @@ index d2638be..1296fe1 100644
pub struct Sink { _priv: () }
/// Creates an instance of a writer which will successfully consume all data.
@@ -197,14 +190,13 @@ pub struct Sink { _priv: () }
@@ -197,10 +189,8 @@ pub struct Sink { _priv: () }
/// let num_bytes = io::sink().write(&buffer).unwrap();
/// assert_eq!(num_bytes, 5);
/// ```
@ -1894,12 +1750,7 @@ index d2638be..1296fe1 100644
impl Write for Sink {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { Ok(buf.len()) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let total_len = bufs.iter().map(|b| b.len()).sum();
@@ -215,7 +207,6 @@ impl Write for Sink {
@@ -215,7 +205,6 @@ impl Write for Sink {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}

22
patches/27c3631d826aaad964f42ee94f26f9e80d658e3f.patch
View File

@ -1410,16 +1410,16 @@ index dc97701..6ea0b47 100644
impl<T: Read> Read for Take<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1907,15 +1856,9 @@ impl<T: Read> Read for Take<T> {
unsafe fn initializer(&self) -> Initializer {
@@ -1908,6 +1857,7 @@ impl<T: Read> Read for Take<T> {
self.inner.initializer()
}
-
- fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
- let reservation_size = cmp::min(self.limit, 32) as usize;
-
- read_to_end_with_reservation(self, buf, reservation_size)
- }
+ #[cfg(feature="collections")]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
let reservation_size = cmp::min(self.limit, 32) as usize;
@@ -1915,7 +1865,7 @@ impl<T: Read> Read for Take<T> {
}
}
-#[stable(feature = "rust1", since = "1.0.0")]
@ -1427,7 +1427,7 @@ index dc97701..6ea0b47 100644
impl<T: BufRead> BufRead for Take<T> {
fn fill_buf(&mut self) -> Result<&[u8]> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1954,13 +1897,11 @@ fn read_one_byte(reader: &mut dyn Read) -> Option<Result<u8>> {
@@ -1954,13 +1904,11 @@ fn read_one_byte(reader: &mut dyn Read) -> Option<Result<u8>> {
/// Please see the documentation of [`bytes`] for more details.
///
/// [`bytes`]: trait.Read.html#method.bytes
@ -1441,7 +1441,7 @@ index dc97701..6ea0b47 100644
impl<R: Read> Iterator for Bytes<R> {
type Item = Result<u8>;
@@ -1976,14 +1917,14 @@ impl<R: Read> Iterator for Bytes<R> {
@@ -1976,14 +1924,14 @@ impl<R: Read> Iterator for Bytes<R> {
/// `BufRead`. Please see the documentation of `split()` for more details.
///
/// [split]: trait.BufRead.html#method.split
@ -1458,7 +1458,7 @@ index dc97701..6ea0b47 100644
impl<B: BufRead> Iterator for Split<B> {
type Item = Result<Vec<u8>>;
@@ -2008,13 +1949,13 @@ impl<B: BufRead> Iterator for Split<B> {
@@ -2008,13 +1956,13 @@ impl<B: BufRead> Iterator for Split<B> {
/// `BufRead`. Please see the documentation of `lines()` for more details.
///
/// [lines]: trait.BufRead.html#method.lines

26
patches/27c8dfddac4c69a6fd399abe537e1007306c58cf.patch
View File

@ -962,8 +962,8 @@ index 28a6fbd..2f5ae43 100644
+mod memchr;
+#[cfg(all(feature="collections",core_memchr))]
+use core::slice::memchr;
+use core::ptr;
+use core::slice;
+use core::ptr;
+
+#[cfg(feature="collections")] pub use self::buffered::{BufReader, BufWriter, LineWriter};
+#[cfg(feature="collections")] pub use self::buffered::IntoInnerError;
@ -1404,16 +1404,16 @@ index 28a6fbd..2f5ae43 100644
impl<T: Read> Read for Take<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1898,15 +1847,9 @@ impl<T: Read> Read for Take<T> {
unsafe fn initializer(&self) -> Initializer {
@@ -1899,6 +1848,7 @@ impl<T: Read> Read for Take<T> {
self.inner.initializer()
}
-
- fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
- let reservation_size = cmp::min(self.limit, 32) as usize;
-
- read_to_end_with_reservation(self, buf, reservation_size)
- }
+ #[cfg(feature="collections")]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
let reservation_size = cmp::min(self.limit, 32) as usize;
@@ -1906,7 +1856,7 @@ impl<T: Read> Read for Take<T> {
}
}
-#[stable(feature = "rust1", since = "1.0.0")]
@ -1421,7 +1421,7 @@ index 28a6fbd..2f5ae43 100644
impl<T: BufRead> BufRead for Take<T> {
fn fill_buf(&mut self) -> Result<&[u8]> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1933,13 +1876,11 @@ impl<T: BufRead> BufRead for Take<T> {
@@ -1933,13 +1883,11 @@ impl<T: BufRead> BufRead for Take<T> {
/// Please see the documentation of [`bytes`] for more details.
///
/// [`bytes`]: trait.Read.html#method.bytes
@ -1435,7 +1435,7 @@ index 28a6fbd..2f5ae43 100644
impl<R: Read> Iterator for Bytes<R> {
type Item = Result<u8>;
@@ -1963,14 +1904,14 @@ impl<R: Read> Iterator for Bytes<R> {
@@ -1963,14 +1911,14 @@ impl<R: Read> Iterator for Bytes<R> {
/// `BufRead`. Please see the documentation of `split()` for more details.
///
/// [split]: trait.BufRead.html#method.split
@ -1452,7 +1452,7 @@ index 28a6fbd..2f5ae43 100644
impl<B: BufRead> Iterator for Split<B> {
type Item = Result<Vec<u8>>;
@@ -1995,13 +1936,13 @@ impl<B: BufRead> Iterator for Split<B> {
@@ -1995,13 +1943,13 @@ impl<B: BufRead> Iterator for Split<B> {
/// `BufRead`. Please see the documentation of `lines()` for more details.
///
/// [lines]: trait.BufRead.html#method.lines
@ -1496,8 +1496,8 @@ index 8df961a..2b08122 100644
-use mem;
+use core::fmt;
+use io::{self, Read, Initializer, Write, ErrorKind};
+use core::mem;
+#[cfg(feature="collections")] use io::BufRead;
+use core::mem;
/// Copies the entire contents of a reader into a writer.
///

26
patches/2a663555ddf36f6b041445894a8c175cd1bc718c.patch
View File

@ -962,8 +962,8 @@ index 040669b..ee4d22c 100644
+mod memchr;
+#[cfg(all(feature="collections",core_memchr))]
+use core::slice::memchr;
+use core::ptr;
+use core::slice;
+use core::ptr;
+
+#[cfg(feature="collections")] pub use self::buffered::{BufReader, BufWriter, LineWriter};
+#[cfg(feature="collections")] pub use self::buffered::IntoInnerError;
@ -1404,16 +1404,16 @@ index 040669b..ee4d22c 100644
impl<T: Read> Read for Take<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1898,15 +1847,9 @@ impl<T: Read> Read for Take<T> {
unsafe fn initializer(&self) -> Initializer {
@@ -1899,6 +1848,7 @@ impl<T: Read> Read for Take<T> {
self.inner.initializer()
}
-
- fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
- let reservation_size = cmp::min(self.limit, 32) as usize;
-
- read_to_end_with_reservation(self, buf, reservation_size)
- }
+ #[cfg(feature="collections")]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
let reservation_size = cmp::min(self.limit, 32) as usize;
@@ -1906,7 +1856,7 @@ impl<T: Read> Read for Take<T> {
}
}
-#[stable(feature = "rust1", since = "1.0.0")]
@ -1421,7 +1421,7 @@ index 040669b..ee4d22c 100644
impl<T: BufRead> BufRead for Take<T> {
fn fill_buf(&mut self) -> Result<&[u8]> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1933,13 +1876,11 @@ impl<T: BufRead> BufRead for Take<T> {
@@ -1933,13 +1883,11 @@ impl<T: BufRead> BufRead for Take<T> {
/// Please see the documentation of [`bytes`] for more details.
///
/// [`bytes`]: trait.Read.html#method.bytes
@ -1435,7 +1435,7 @@ index 040669b..ee4d22c 100644
impl<R: Read> Iterator for Bytes<R> {
type Item = Result<u8>;
@@ -1963,14 +1904,14 @@ impl<R: Read> Iterator for Bytes<R> {
@@ -1963,14 +1911,14 @@ impl<R: Read> Iterator for Bytes<R> {
/// `BufRead`. Please see the documentation of `split()` for more details.
///
/// [split]: trait.BufRead.html#method.split
@ -1452,7 +1452,7 @@ index 040669b..ee4d22c 100644
impl<B: BufRead> Iterator for Split<B> {
type Item = Result<Vec<u8>>;
@@ -1995,13 +1936,13 @@ impl<B: BufRead> Iterator for Split<B> {
@@ -1995,13 +1943,13 @@ impl<B: BufRead> Iterator for Split<B> {
/// `BufRead`. Please see the documentation of `lines()` for more details.
///
/// [lines]: trait.BufRead.html#method.lines
@ -1496,8 +1496,8 @@ index 8df961a..2b08122 100644
-use mem;
+use core::fmt;
+use io::{self, Read, Initializer, Write, ErrorKind};
+use core::mem;
+#[cfg(feature="collections")] use io::BufRead;
+use core::mem;
/// Copies the entire contents of a reader into a writer.
///

22
patches/31bec788f46c73ab14c72868dc6141141320a058.patch
View File

@ -1408,16 +1408,16 @@ index b83f3fb..883fa30 100644
impl<T: Read> Read for Take<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1906,15 +1855,9 @@ impl<T: Read> Read for Take<T> {
unsafe fn initializer(&self) -> Initializer {
@@ -1907,6 +1856,7 @@ impl<T: Read> Read for Take<T> {
self.inner.initializer()
}
-
- fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
- let reservation_size = cmp::min(self.limit, 32) as usize;
-
- read_to_end_with_reservation(self, buf, reservation_size)
- }
+ #[cfg(feature="collections")]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
let reservation_size = cmp::min(self.limit, 32) as usize;
@@ -1914,7 +1864,7 @@ impl<T: Read> Read for Take<T> {
}
}
-#[stable(feature = "rust1", since = "1.0.0")]
@ -1425,7 +1425,7 @@ index b83f3fb..883fa30 100644
impl<T: BufRead> BufRead for Take<T> {
fn fill_buf(&mut self) -> Result<&[u8]> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1953,13 +1896,11 @@ fn read_one_byte(reader: &mut dyn Read) -> Option<Result<u8>> {
@@ -1953,13 +1903,11 @@ fn read_one_byte(reader: &mut dyn Read) -> Option<Result<u8>> {
/// Please see the documentation of [`bytes`] for more details.
///
/// [`bytes`]: trait.Read.html#method.bytes
@ -1439,7 +1439,7 @@ index b83f3fb..883fa30 100644
impl<R: Read> Iterator for Bytes<R> {
type Item = Result<u8>;
@@ -1975,14 +1916,14 @@ impl<R: Read> Iterator for Bytes<R> {
@@ -1975,14 +1923,14 @@ impl<R: Read> Iterator for Bytes<R> {
/// `BufRead`. Please see the documentation of `split()` for more details.
///
/// [split]: trait.BufRead.html#method.split
@ -1456,7 +1456,7 @@ index b83f3fb..883fa30 100644
impl<B: BufRead> Iterator for Split<B> {
type Item = Result<Vec<u8>>;
@@ -2007,13 +1948,13 @@ impl<B: BufRead> Iterator for Split<B> {
@@ -2007,13 +1955,13 @@ impl<B: BufRead> Iterator for Split<B> {
/// `BufRead`. Please see the documentation of `lines()` for more details.
///
/// [lines]: trait.BufRead.html#method.lines

355
patches/379c380a60e7b3adb6c6f595222cbfa2d9160a20.patch
View File

@ -15,7 +15,7 @@ index 3370a44..f1f0573 100644
+use core::fmt;
use crate::io::{self, Initializer, DEFAULT_BUF_SIZE, Error, ErrorKind, SeekFrom, IoVec, IoVecMut};
-use crate::memchr;
+use io::memchr;
+use crate::io::memchr;
/// The `BufReader` struct adds buffering to any reader.
///
@ -311,21 +311,19 @@ diff --git a/cursor.rs b/cursor.rs
index 247d45c..f13522d 100644
--- a/cursor.rs
+++ b/cursor.rs
@@ -1,9 +1,10 @@
@@ -1,9 +1,9 @@
use crate::io::prelude::*;
-use crate::cmp;
-use crate::io::{self, Initializer, SeekFrom, Error, ErrorKind, IoVec, IoVecMut};
+use core::cmp;
+use crate::io::{self, Initializer, SeekFrom, Error, ErrorKind};
+#[cfg(feature="collections")] use crate::io::{IoVec, IoVecMut};
use crate::io::{self, Initializer, SeekFrom, Error, ErrorKind, IoVec, IoVecMut};
-use core::convert::TryInto;
+#[cfg(feature="collections")] use core::convert::TryInto;
/// A `Cursor` wraps an in-memory buffer and provides it with a
/// [`Seek`] implementation.
@@ -71,7 +72,6 @@ use core::convert::TryInto;
@@ -71,7 +71,6 @@ use core::convert::TryInto;
/// assert_eq!(&buff.get_ref()[5..15], &[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]);
/// }
/// ```
@ -333,7 +331,7 @@ index 247d45c..f13522d 100644
#[derive(Clone, Debug)]
pub struct Cursor<T> {
inner: T,
@@ -94,7 +94,6 @@ impl<T> Cursor<T> {
@@ -94,7 +93,6 @@ impl<T> Cursor<T> {
/// # fn force_inference(_: &Cursor<Vec<u8>>) {}
/// # force_inference(&buff);
/// ```
@ -341,7 +339,7 @@ index 247d45c..f13522d 100644
pub fn new(inner: T) -> Cursor<T> {
Cursor { pos: 0, inner: inner }
}
@@ -112,7 +111,6 @@ impl<T> Cursor<T> {
@@ -112,7 +110,6 @@ impl<T> Cursor<T> {
///
/// let vec = buff.into_inner();
/// ```
@ -349,7 +347,7 @@ index 247d45c..f13522d 100644
pub fn into_inner(self) -> T { self.inner }
/// Gets a reference to the underlying value in this cursor.
@@ -128,7 +126,6 @@ impl<T> Cursor<T> {
@@ -128,7 +125,6 @@ impl<T> Cursor<T> {
///
/// let reference = buff.get_ref();
/// ```
@ -357,7 +355,7 @@ index 247d45c..f13522d 100644
pub fn get_ref(&self) -> &T { &self.inner }
/// Gets a mutable reference to the underlying value in this cursor.
@@ -147,7 +144,6 @@ impl<T> Cursor<T> {
@@ -147,7 +143,6 @@ impl<T> Cursor<T> {
///
/// let reference = buff.get_mut();
/// ```
@ -365,7 +363,7 @@ index 247d45c..f13522d 100644
pub fn get_mut(&mut self) -> &mut T { &mut self.inner }
/// Returns the current position of this cursor.
@@ -169,7 +165,6 @@ impl<T> Cursor<T> {
@@ -169,7 +164,6 @@ impl<T> Cursor<T> {
/// buff.seek(SeekFrom::Current(-1)).unwrap();
/// assert_eq!(buff.position(), 1);
/// ```
@ -373,7 +371,7 @@ index 247d45c..f13522d 100644
pub fn position(&self) -> u64 { self.pos }
/// Sets the position of this cursor.
@@ -189,11 +184,9 @@ impl<T> Cursor<T> {
@@ -189,11 +183,9 @@ impl<T> Cursor<T> {
/// buff.set_position(4);
/// assert_eq!(buff.position(), 4);
/// ```
@ -385,7 +383,7 @@ index 247d45c..f13522d 100644
impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
fn seek(&mut self, style: SeekFrom) -> io::Result<u64> {
let (base_pos, offset) = match style {
@@ -222,14 +215,14 @@ impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
@@ -222,10 +214,9 @@ impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
}
}
@ -397,12 +395,7 @@ index 247d45c..f13522d 100644
self.pos += n as u64;
Ok(n)
}
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nread = 0;
for buf in bufs {
@@ -244,7 +237,7 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
@@ -244,7 +235,7 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
fn read_exact(&mut self, buf: &mut [u8]) -> io::Result<()> {
let n = buf.len();
@ -411,7 +404,7 @@ index 247d45c..f13522d 100644
self.pos += n as u64;
Ok(())
}
@@ -255,12 +248,16 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
@@ -255,12 +246,16 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
}
}
@ -431,15 +424,7 @@ index 247d45c..f13522d 100644
fn consume(&mut self, amt: usize) { self.pos += amt as u64; }
}
@@ -272,6 +269,7 @@ fn slice_write(pos_mut: &mut u64, slice: &mut [u8], buf: &[u8]) -> io::Result<us
Ok(amt)
}
+#[cfg(feature="collections")]
fn slice_write_vectored(
pos_mut: &mut u64,
slice: &mut [u8],
@@ -290,6 +288,7 @@ fn slice_write_vectored(
@@ -290,6 +285,7 @@ fn slice_write_vectored(
}
// Resizing write implementation
@ -447,7 +432,7 @@ index 247d45c..f13522d 100644
fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usize> {
let pos: usize = (*pos_mut).try_into().map_err(|_| {
Error::new(ErrorKind::InvalidInput,
@@ -316,6 +315,7 @@ fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usi
@@ -316,6 +312,7 @@ fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usi
Ok(buf.len())
}
@ -455,7 +440,7 @@ index 247d45c..f13522d 100644
fn vec_write_vectored(
pos_mut: &mut u64,
vec: &mut Vec<u8>,
@@ -329,13 +329,13 @@ fn vec_write_vectored(
@@ -329,7 +326,6 @@ fn vec_write_vectored(
Ok(nwritten)
}
@ -463,14 +448,7 @@ index 247d45c..f13522d 100644
impl Write for Cursor<&mut [u8]> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
slice_write(&mut self.pos, self.inner, buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
slice_write_vectored(&mut self.pos, self.inner, bufs)
@@ -344,12 +344,13 @@ impl Write for Cursor<&mut [u8]> {
@@ -344,7 +340,7 @@ impl Write for Cursor<&mut [u8]> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -479,13 +457,7 @@ index 247d45c..f13522d 100644
impl Write for Cursor<&mut Vec<u8>> {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
vec_write(&mut self.pos, self.inner, buf)
}
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
vec_write_vectored(&mut self.pos, self.inner, bufs)
}
@@ -357,12 +358,13 @@ impl Write for Cursor<&mut Vec<u8>> {
@@ -357,7 +353,7 @@ impl Write for Cursor<&mut Vec<u8>> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -494,13 +466,7 @@ index 247d45c..f13522d 100644
impl Write for Cursor<Vec<u8>> {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
vec_write(&mut self.pos, &mut self.inner, buf)
}
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
vec_write_vectored(&mut self.pos, &mut self.inner, bufs)
}
@@ -370,13 +372,14 @@ impl Write for Cursor<Vec<u8>> {
@@ -370,8 +366,8 @@ impl Write for Cursor<Vec<u8>> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -511,12 +477,6 @@ index 247d45c..f13522d 100644
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
slice_write(&mut self.pos, &mut self.inner, buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
slice_write_vectored(&mut self.pos, &mut self.inner, bufs)
diff --git a/error.rs b/error.rs
index c29a68e..c94d8c5 100644
--- a/error.rs
@ -844,7 +804,7 @@ diff --git a/impls.rs b/impls.rs
index 0eac96f..74d5f66 100644
--- a/impls.rs
+++ b/impls.rs
@@ -1,19 +1,22 @@
@@ -1,13 +1,15 @@
-use crate::cmp;
-use crate::io::{self, SeekFrom, Read, Initializer, Write, Seek, BufRead, Error, ErrorKind, IoVecMut,
- IoVec};
@ -852,8 +812,8 @@ index 0eac96f..74d5f66 100644
-use crate::mem;
+#[cfg(feature="alloc")] use alloc::boxed::Box;
+use core::cmp;
+use crate::io::{self, SeekFrom, Read, Initializer, Write, Seek, Error, ErrorKind};
+#[cfg(feature="collections")] use crate::io::{BufRead, IoVecMut, IoVec};
+use crate::io::{self, SeekFrom, Read, Initializer, Write, Seek, Error, ErrorKind, IoVecMut, IoVec};
+#[cfg(feature="collections")] use crate::io::BufRead;
+use core::fmt;
+use core::mem;
+#[cfg(feature="collections")] use collections::string::String;
@ -866,14 +826,7 @@ index 0eac96f..74d5f66 100644
impl<R: Read + ?Sized> Read for &mut R {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
(**self).read(buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
(**self).read_vectored(bufs)
@@ -24,11 +27,13 @@ impl<R: Read + ?Sized> Read for &mut R {
@@ -24,11 +26,13 @@ impl<R: Read + ?Sized> Read for &mut R {
(**self).initializer()
}
@ -887,7 +840,7 @@ index 0eac96f..74d5f66 100644
#[inline]
fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> {
(**self).read_to_string(buf)
@@ -39,11 +44,11 @@ impl<R: Read + ?Sized> Read for &mut R {
@@ -39,7 +43,6 @@ impl<R: Read + ?Sized> Read for &mut R {
(**self).read_exact(buf)
}
}
@ -895,12 +848,7 @@ index 0eac96f..74d5f66 100644
impl<W: Write + ?Sized> Write for &mut W {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { (**self).write(buf) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
(**self).write_vectored(bufs)
@@ -62,12 +67,11 @@ impl<W: Write + ?Sized> Write for &mut W {
@@ -62,12 +65,11 @@ impl<W: Write + ?Sized> Write for &mut W {
(**self).write_fmt(fmt)
}
}
@ -914,7 +862,7 @@ index 0eac96f..74d5f66 100644
impl<B: BufRead + ?Sized> BufRead for &mut B {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { (**self).fill_buf() }
@@ -86,13 +90,14 @@ impl<B: BufRead + ?Sized> BufRead for &mut B {
@@ -86,7 +88,7 @@ impl<B: BufRead + ?Sized> BufRead for &mut B {
}
}
@ -923,14 +871,7 @@ index 0eac96f..74d5f66 100644
impl<R: Read + ?Sized> Read for Box<R> {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
(**self).read(buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
(**self).read_vectored(bufs)
@@ -103,11 +108,13 @@ impl<R: Read + ?Sized> Read for Box<R> {
@@ -103,11 +105,13 @@ impl<R: Read + ?Sized> Read for Box<R> {
(**self).initializer()
}
@ -944,7 +885,7 @@ index 0eac96f..74d5f66 100644
#[inline]
fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> {
(**self).read_to_string(buf)
@@ -118,11 +125,12 @@ impl<R: Read + ?Sized> Read for Box<R> {
@@ -118,7 +122,7 @@ impl<R: Read + ?Sized> Read for Box<R> {
(**self).read_exact(buf)
}
}
@ -953,12 +894,7 @@ index 0eac96f..74d5f66 100644
impl<W: Write + ?Sized> Write for Box<W> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { (**self).write(buf) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
(**self).write_vectored(bufs)
@@ -141,12 +149,12 @@ impl<W: Write + ?Sized> Write for Box<W> {
@@ -141,12 +145,12 @@ impl<W: Write + ?Sized> Write for Box<W> {
(**self).write_fmt(fmt)
}
}
@ -973,7 +909,7 @@ index 0eac96f..74d5f66 100644
impl<B: BufRead + ?Sized> BufRead for Box<B> {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { (**self).fill_buf() }
@@ -186,7 +194,6 @@ impl Write for Box<dyn (::realstd::io::Write) + Send> {
@@ -186,7 +190,6 @@ impl Write for Box<dyn (::realstd::io::Write) + Send> {
///
/// Note that reading updates the slice to point to the yet unread part.
/// The slice will be empty when EOF is reached.
@ -981,15 +917,7 @@ index 0eac96f..74d5f66 100644
impl Read for &[u8] {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
@@ -206,6 +213,7 @@ impl Read for &[u8] {
Ok(amt)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nread = 0;
@@ -245,6 +253,7 @@ impl Read for &[u8] {
@@ -245,6 +248,7 @@ impl Read for &[u8] {
Ok(())
}
@ -997,7 +925,7 @@ index 0eac96f..74d5f66 100644
#[inline]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> io::Result<usize> {
buf.extend_from_slice(*self);
@@ -254,7 +263,7 @@ impl Read for &[u8] {
@@ -254,7 +258,7 @@ impl Read for &[u8] {
}
}
@ -1006,7 +934,7 @@ index 0eac96f..74d5f66 100644
impl BufRead for &[u8] {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { Ok(*self) }
@@ -268,7 +277,6 @@ impl BufRead for &[u8] {
@@ -268,7 +272,6 @@ impl BufRead for &[u8] {
///
/// Note that writing updates the slice to point to the yet unwritten part.
/// The slice will be empty when it has been completely overwritten.
@ -1014,15 +942,7 @@ index 0eac96f..74d5f66 100644
impl Write for &mut [u8] {
#[inline]
fn write(&mut self, data: &[u8]) -> io::Result<usize> {
@@ -279,6 +287,7 @@ impl Write for &mut [u8] {
Ok(amt)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let mut nwritten = 0;
@@ -307,7 +316,7 @@ impl Write for &mut [u8] {
@@ -307,7 +310,7 @@ impl Write for &mut [u8] {
/// Write is implemented for `Vec<u8>` by appending to the vector.
/// The vector will grow as needed.
@ -1031,16 +951,8 @@ index 0eac96f..74d5f66 100644
impl Write for Vec<u8> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
@@ -315,6 +324,7 @@ impl Write for Vec<u8> {
Ok(buf.len())
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let len = bufs.iter().map(|b| b.len()).sum();
diff --git a/mod.rs b/mod.rs
index 1ce66b9..fad199d 100644
index 1ce66b9..6e83804 100644
--- a/mod.rs
+++ b/mod.rs
@@ -257,50 +257,38 @@
@ -1072,9 +984,9 @@ index 1ce66b9..fad199d 100644
+mod memchr;
+#[cfg(all(feature="collections",core_memchr))]
+use core::slice::memchr;
+#[cfg(feature="collections")] use core::ops::{Deref, DerefMut};
+use core::ptr;
+use core::slice;
+use core::ops::{Deref, DerefMut};
+use core::ptr;
+
+#[cfg(feature="collections")] pub use self::buffered::{BufReader, BufWriter, LineWriter};
+#[cfg(feature="collections")] pub use self::buffered::IntoInnerError;
@ -1134,23 +1046,7 @@ index 1ce66b9..fad199d 100644
fn read_to_end_with_reservation<R: Read + ?Sized>(r: &mut R,
buf: &mut Vec<u8>,
reservation_size: usize) -> Result<usize>
@@ -390,6 +381,7 @@ fn read_to_end_with_reservation<R: Read + ?Sized>(r: &mut R,
ret
}
+#[cfg(feature="collections")]
pub(crate) fn default_read_vectored<F>(read: F, bufs: &mut [IoVecMut<'_>]) -> Result<usize>
where
F: FnOnce(&mut [u8]) -> Result<usize>
@@ -401,6 +393,7 @@ where
read(buf)
}
+#[cfg(feature="collections")]
pub(crate) fn default_write_vectored<F>(write: F, bufs: &[IoVec<'_>]) -> Result<usize>
where
F: FnOnce(&[u8]) -> Result<usize>
@@ -484,7 +477,6 @@ where
@@ -484,7 +475,6 @@ where
/// [`BufReader`]: struct.BufReader.html
/// [`&str`]: ../../std/primitive.str.html
/// [slice]: ../../std/primitive.slice.html
@ -1158,7 +1054,7 @@ index 1ce66b9..fad199d 100644
#[doc(spotlight)]
pub trait Read {
/// Pull some bytes from this source into the specified buffer, returning
@@ -543,7 +535,6 @@ pub trait Read {
@@ -543,7 +533,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1166,16 +1062,15 @@ index 1ce66b9..fad199d 100644
fn read(&mut self, buf: &mut [u8]) -> Result<usize>;
/// Like `read`, except that it reads into a slice of buffers.
@@ -554,7 +545,7 @@ pub trait Read {
@@ -554,7 +543,6 @@ pub trait Read {
///
/// The default implementation calls `read` with either the first nonempty
/// buffer provided, or an empty one if none exists.
- #[unstable(feature = "iovec", issue = "58452")]
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> Result<usize> {
default_read_vectored(|b| self.read(b), bufs)
}
@@ -581,7 +572,6 @@ pub trait Read {
@@ -581,7 +569,6 @@ pub trait Read {
///
/// [`Initializer::nop()`]: ../../std/io/struct.Initializer.html#method.nop
/// [`Initializer`]: ../../std/io/struct.Initializer.html
@ -1183,7 +1078,7 @@ index 1ce66b9..fad199d 100644
#[inline]
unsafe fn initializer(&self) -> Initializer {
Initializer::zeroing()
@@ -634,7 +624,7 @@ pub trait Read {
@@ -634,7 +621,7 @@ pub trait Read {
/// file.)
///
/// [`std::fs::read`]: ../fs/fn.read.html
@ -1192,7 +1087,7 @@ index 1ce66b9..fad199d 100644
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
read_to_end(self, buf)
}
@@ -677,7 +667,7 @@ pub trait Read {
@@ -677,7 +664,7 @@ pub trait Read {
/// reading from a file.)
///
/// [`std::fs::read_to_string`]: ../fs/fn.read_to_string.html
@ -1201,7 +1096,7 @@ index 1ce66b9..fad199d 100644
fn read_to_string(&mut self, buf: &mut String) -> Result<usize> {
// Note that we do *not* call `.read_to_end()` here. We are passing
// `&mut Vec<u8>` (the raw contents of `buf`) into the `read_to_end`
@@ -740,7 +730,6 @@ pub trait Read {
@@ -740,7 +727,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1209,7 +1104,7 @@ index 1ce66b9..fad199d 100644
fn read_exact(&mut self, mut buf: &mut [u8]) -> Result<()> {
while !buf.is_empty() {
match self.read(buf) {
@@ -792,7 +781,6 @@ pub trait Read {
@@ -792,7 +778,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1217,7 +1112,7 @@ index 1ce66b9..fad199d 100644
fn by_ref(&mut self) -> &mut Self where Self: Sized { self }
/// Transforms this `Read` instance to an [`Iterator`] over its bytes.
@@ -829,7 +817,6 @@ pub trait Read {
@@ -829,7 +814,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1225,7 +1120,7 @@ index 1ce66b9..fad199d 100644
fn bytes(self) -> Bytes<Self> where Self: Sized {
Bytes { inner: self }
}
@@ -864,7 +851,6 @@ pub trait Read {
@@ -864,7 +848,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1233,7 +1128,7 @@ index 1ce66b9..fad199d 100644
fn chain<R: Read>(self, next: R) -> Chain<Self, R> where Self: Sized {
Chain { first: self, second: next, done_first: false }
}
@@ -900,42 +886,77 @@ pub trait Read {
@@ -900,22 +883,52 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1243,10 +1138,8 @@ index 1ce66b9..fad199d 100644
}
}
+#[cfg(feature="collections")]
+pub struct IoVecBuffer<'a>(&'a [u8]);
+
+#[cfg(feature="collections")]
+impl<'a> IoVecBuffer<'a> {
+ #[inline]
+ pub fn new(buf: &'a [u8]) -> IoVecBuffer<'a> {
@ -1258,10 +1151,9 @@ index 1ce66b9..fad199d 100644
+ self.0
+ }
+}
+#[cfg(feature="collections")]
+
+pub struct IoVecMutBuffer<'a>(&'a mut [u8]);
+
+#[cfg(feature="collections")]
+impl<'a> IoVecMutBuffer<'a> {
+ #[inline]
+ pub fn new(buf: &'a mut [u8]) -> IoVecMutBuffer<'a> {
@ -1285,23 +1177,15 @@ index 1ce66b9..fad199d 100644
/// ABI compatible with the `iovec` type on Unix platforms and `WSABUF` on
/// Windows.
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
#[repr(transparent)]
-pub struct IoVecMut<'a>(sys::io::IoVecMut<'a>);
+pub struct IoVecMut<'a>(IoVecMutBuffer<'a>);
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> fmt::Debug for IoVecMut<'a> {
fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
fmt::Debug::fmt(self.0.as_slice(), fmt)
}
}
+#[cfg(feature="collections")]
impl<'a> IoVecMut<'a> {
/// Creates a new `IoVecMut` wrapping a byte slice.
///
@@ -928,14 +941,12 @@ impl<'a> IoVecMut<'a> {
/// # Panics
///
/// Panics on Windows if the slice is larger than 4GB.
@ -1314,41 +1198,31 @@ index 1ce66b9..fad199d 100644
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> Deref for IoVecMut<'a> {
type Target = [u8];
@@ -945,7 +966,7 @@ impl<'a> Deref for IoVecMut<'a> {
@@ -945,7 +956,6 @@ impl<'a> Deref for IoVecMut<'a> {
}
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> DerefMut for IoVecMut<'a> {
#[inline]
fn deref_mut(&mut self) -> &mut [u8] {
@@ -958,31 +979,31 @@ impl<'a> DerefMut for IoVecMut<'a> {
@@ -958,11 +968,9 @@ impl<'a> DerefMut for IoVecMut<'a> {
/// It is semantically a wrapper around an `&[u8]`, but is guaranteed to be
/// ABI compatible with the `iovec` type on Unix platforms and `WSABUF` on
/// Windows.
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
#[repr(transparent)]
-pub struct IoVec<'a>(sys::io::IoVec<'a>);
+pub struct IoVec<'a>(IoVecBuffer<'a>);
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> fmt::Debug for IoVec<'a> {
fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
fmt::Debug::fmt(self.0.as_slice(), fmt)
}
}
+#[cfg(feature="collections")]
impl<'a> IoVec<'a> {
/// Creates a new `IoVec` wrapping a byte slice.
///
@@ -975,14 +983,12 @@ impl<'a> IoVec<'a> {
/// # Panics
///
/// Panics on Windows if the slice is larger than 4GB.
@ -1361,11 +1235,10 @@ index 1ce66b9..fad199d 100644
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> Deref for IoVec<'a> {
type Target = [u8];
@@ -993,13 +1014,11 @@ impl<'a> Deref for IoVec<'a> {
@@ -993,13 +999,11 @@ impl<'a> Deref for IoVec<'a> {
}
/// A type used to conditionally initialize buffers passed to `Read` methods.
@ -1379,7 +1252,7 @@ index 1ce66b9..fad199d 100644
#[inline]
pub fn zeroing() -> Initializer {
Initializer(true)
@@ -1013,21 +1032,18 @@ impl Initializer {
@@ -1013,21 +1017,18 @@ impl Initializer {
/// read from buffers passed to `Read` methods, and that the return value of
/// the method accurately reflects the number of bytes that have been
/// written to the head of the buffer.
@ -1401,7 +1274,7 @@ index 1ce66b9..fad199d 100644
#[inline]
pub fn initialize(&self, buf: &mut [u8]) {
if self.should_initialize() {
@@ -1081,7 +1097,6 @@ impl Initializer {
@@ -1081,7 +1082,6 @@ impl Initializer {
/// `write` in a loop until its entire input has been written.
///
/// [`write_all`]: #method.write_all
@ -1409,7 +1282,7 @@ index 1ce66b9..fad199d 100644
#[doc(spotlight)]
pub trait Write {
/// Write a buffer into this writer, returning how many bytes were written.
@@ -1130,7 +1145,6 @@ pub trait Write {
@@ -1130,7 +1130,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1417,16 +1290,15 @@ index 1ce66b9..fad199d 100644
fn write(&mut self, buf: &[u8]) -> Result<usize>;
/// Like `write`, except that it writes from a slice of buffers.
@@ -1141,7 +1155,7 @@ pub trait Write {
@@ -1141,7 +1140,6 @@ pub trait Write {
///
/// The default implementation calls `write` with either the first nonempty
/// buffer provided, or an empty one if none exists.
- #[unstable(feature = "iovec", issue = "58452")]
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> Result<usize> {
default_write_vectored(|b| self.write(b), bufs)
}
@@ -1169,7 +1183,6 @@ pub trait Write {
@@ -1169,7 +1167,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1434,7 +1306,7 @@ index 1ce66b9..fad199d 100644
fn flush(&mut self) -> Result<()>;
/// Attempts to write an entire buffer into this writer.
@@ -1202,7 +1215,6 @@ pub trait Write {
@@ -1202,7 +1199,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1442,7 +1314,7 @@ index 1ce66b9..fad199d 100644
fn write_all(&mut self, mut buf: &[u8]) -> Result<()> {
while !buf.is_empty() {
match self.write(buf) {
@@ -1254,7 +1266,6 @@ pub trait Write {
@@ -1254,7 +1250,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1450,7 +1322,7 @@ index 1ce66b9..fad199d 100644
fn write_fmt(&mut self, fmt: fmt::Arguments<'_>) -> Result<()> {
// Create a shim which translates a Write to a fmt::Write and saves
// off I/O errors. instead of discarding them
@@ -1310,7 +1321,6 @@ pub trait Write {
@@ -1310,7 +1305,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1458,7 +1330,7 @@ index 1ce66b9..fad199d 100644
fn by_ref(&mut self) -> &mut Self where Self: Sized { self }
}
@@ -1340,7 +1350,6 @@ pub trait Write {
@@ -1340,7 +1334,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1466,7 +1338,7 @@ index 1ce66b9..fad199d 100644
pub trait Seek {
/// Seek to an offset, in bytes, in a stream.
///
@@ -1356,7 +1365,6 @@ pub trait Seek {
@@ -1356,7 +1349,6 @@ pub trait Seek {
/// Seeking to a negative offset is considered an error.
///
/// [`SeekFrom::Start`]: enum.SeekFrom.html#variant.Start
@ -1474,7 +1346,7 @@ index 1ce66b9..fad199d 100644
fn seek(&mut self, pos: SeekFrom) -> Result<u64>;
/// Returns the length of this stream (in bytes).
@@ -1394,7 +1402,6 @@ pub trait Seek {
@@ -1394,7 +1386,6 @@ pub trait Seek {
/// Ok(())
/// }
/// ```
@ -1482,7 +1354,7 @@ index 1ce66b9..fad199d 100644
fn stream_len(&mut self) -> Result<u64> {
let old_pos = self.stream_position()?;
let len = self.seek(SeekFrom::End(0))?;
@@ -1433,7 +1440,6 @@ pub trait Seek {
@@ -1433,7 +1424,6 @@ pub trait Seek {
/// Ok(())
/// }
/// ```
@ -1490,7 +1362,7 @@ index 1ce66b9..fad199d 100644
fn stream_position(&mut self) -> Result<u64> {
self.seek(SeekFrom::Current(0))
}
@@ -1445,29 +1451,26 @@ pub trait Seek {
@@ -1445,29 +1435,26 @@ pub trait Seek {
///
/// [`Seek`]: trait.Seek.html
#[derive(Copy, PartialEq, Eq, Clone, Debug)]
@ -1524,7 +1396,7 @@ index 1ce66b9..fad199d 100644
fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
-> Result<usize> {
let mut read = 0;
@@ -1547,7 +1550,7 @@ fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
@@ -1547,7 +1534,7 @@ fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
/// }
/// ```
///
@ -1533,7 +1405,7 @@ index 1ce66b9..fad199d 100644
pub trait BufRead: Read {
/// Returns the contents of the internal buffer, filling it with more data
/// from the inner reader if it is empty.
@@ -1593,7 +1596,6 @@ pub trait BufRead: Read {
@@ -1593,7 +1580,6 @@ pub trait BufRead: Read {
/// // ensure the bytes we worked with aren't returned again later
/// stdin.consume(length);
/// ```
@ -1541,7 +1413,7 @@ index 1ce66b9..fad199d 100644
fn fill_buf(&mut self) -> Result<&[u8]>;
/// Tells this buffer that `amt` bytes have been consumed from the buffer,
@@ -1615,7 +1617,6 @@ pub trait BufRead: Read {
@@ -1615,7 +1601,6 @@ pub trait BufRead: Read {
/// that method's example includes an example of `consume()`.
///
/// [`fill_buf`]: #tymethod.fill_buf
@ -1549,7 +1421,7 @@ index 1ce66b9..fad199d 100644
fn consume(&mut self, amt: usize);
/// Read all bytes into `buf` until the delimiter `byte` or EOF is reached.
@@ -1671,7 +1672,6 @@ pub trait BufRead: Read {
@@ -1671,7 +1656,6 @@ pub trait BufRead: Read {
/// assert_eq!(num_bytes, 0);
/// assert_eq!(buf, b"");
/// ```
@ -1557,7 +1429,7 @@ index 1ce66b9..fad199d 100644
fn read_until(&mut self, byte: u8, buf: &mut Vec<u8>) -> Result<usize> {
read_until(self, byte, buf)
}
@@ -1730,7 +1730,6 @@ pub trait BufRead: Read {
@@ -1730,7 +1714,6 @@ pub trait BufRead: Read {
/// assert_eq!(num_bytes, 0);
/// assert_eq!(buf, "");
/// ```
@ -1565,7 +1437,7 @@ index 1ce66b9..fad199d 100644
fn read_line(&mut self, buf: &mut String) -> Result<usize> {
// Note that we are not calling the `.read_until` method here, but
// rather our hardcoded implementation. For more details as to why, see
@@ -1771,7 +1770,6 @@ pub trait BufRead: Read {
@@ -1771,7 +1754,6 @@ pub trait BufRead: Read {
/// assert_eq!(split_iter.next(), Some(b"dolor".to_vec()));
/// assert_eq!(split_iter.next(), None);
/// ```
@ -1573,7 +1445,7 @@ index 1ce66b9..fad199d 100644
fn split(self, byte: u8) -> Split<Self> where Self: Sized {
Split { buf: self, delim: byte }
}
@@ -1810,7 +1808,6 @@ pub trait BufRead: Read {
@@ -1810,7 +1792,6 @@ pub trait BufRead: Read {
/// Each line of the iterator has the same error semantics as [`BufRead::read_line`].
///
/// [`BufRead::read_line`]: trait.BufRead.html#method.read_line
@ -1581,7 +1453,7 @@ index 1ce66b9..fad199d 100644
fn lines(self) -> Lines<Self> where Self: Sized {
Lines { buf: self }
}
@@ -1822,7 +1819,6 @@ pub trait BufRead: Read {
@@ -1822,7 +1803,6 @@ pub trait BufRead: Read {
/// Please see the documentation of [`chain`] for more details.
///
/// [`chain`]: trait.Read.html#method.chain
@ -1589,7 +1461,7 @@ index 1ce66b9..fad199d 100644
pub struct Chain<T, U> {
first: T,
second: U,
@@ -1848,7 +1844,6 @@ impl<T, U> Chain<T, U> {
@@ -1848,7 +1828,6 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1597,7 +1469,7 @@ index 1ce66b9..fad199d 100644
pub fn into_inner(self) -> (T, U) {
(self.first, self.second)
}
@@ -1871,7 +1866,6 @@ impl<T, U> Chain<T, U> {
@@ -1871,7 +1850,6 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1605,7 +1477,7 @@ index 1ce66b9..fad199d 100644
pub fn get_ref(&self) -> (&T, &U) {
(&self.first, &self.second)
}
@@ -1898,13 +1892,11 @@ impl<T, U> Chain<T, U> {
@@ -1898,13 +1876,11 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1619,7 +1491,7 @@ index 1ce66b9..fad199d 100644
impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.debug_struct("Chain")
@@ -1914,7 +1906,6 @@ impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
@@ -1914,7 +1890,6 @@ impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
}
}
@ -1627,15 +1499,7 @@ index 1ce66b9..fad199d 100644
impl<T: Read, U: Read> Read for Chain<T, U> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
if !self.done_first {
@@ -1926,6 +1917,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
self.second.read(buf)
}
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> Result<usize> {
if !self.done_first {
match self.first.read_vectored(bufs)? {
@@ -1946,7 +1938,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
@@ -1946,7 +1921,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
}
}
@ -1644,7 +1508,7 @@ index 1ce66b9..fad199d 100644
impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
fn fill_buf(&mut self) -> Result<&[u8]> {
if !self.done_first {
@@ -1973,7 +1965,6 @@ impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
@@ -1973,7 +1948,6 @@ impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
/// Please see the documentation of [`take`] for more details.
///
/// [`take`]: trait.Read.html#method.take
@ -1652,7 +1516,7 @@ index 1ce66b9..fad199d 100644
#[derive(Debug)]
pub struct Take<T> {
inner: T,
@@ -2008,7 +1999,6 @@ impl<T> Take<T> {
@@ -2008,7 +1982,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1660,7 +1524,7 @@ index 1ce66b9..fad199d 100644
pub fn limit(&self) -> u64 { self.limit }
/// Sets the number of bytes that can be read before this instance will
@@ -2034,7 +2024,6 @@ impl<T> Take<T> {
@@ -2034,7 +2007,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1668,7 +1532,7 @@ index 1ce66b9..fad199d 100644
pub fn set_limit(&mut self, limit: u64) {
self.limit = limit;
}
@@ -2059,7 +2048,6 @@ impl<T> Take<T> {
@@ -2059,7 +2031,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1676,7 +1540,7 @@ index 1ce66b9..fad199d 100644
pub fn into_inner(self) -> T {
self.inner
}
@@ -2084,7 +2072,6 @@ impl<T> Take<T> {
@@ -2084,7 +2055,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1684,7 +1548,7 @@ index 1ce66b9..fad199d 100644
pub fn get_ref(&self) -> &T {
&self.inner
}
@@ -2113,13 +2100,11 @@ impl<T> Take<T> {
@@ -2113,13 +2083,11 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1698,16 +1562,16 @@ index 1ce66b9..fad199d 100644
impl<T: Read> Read for Take<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
// Don't call into inner reader at all at EOF because it may still block
@@ -2136,15 +2121,9 @@ impl<T: Read> Read for Take<T> {
unsafe fn initializer(&self) -> Initializer {
@@ -2137,6 +2105,7 @@ impl<T: Read> Read for Take<T> {
self.inner.initializer()
}
-
- fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
- let reservation_size = cmp::min(self.limit, 32) as usize;
-
- read_to_end_with_reservation(self, buf, reservation_size)
- }
+ #[cfg(feature="collections")]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
let reservation_size = cmp::min(self.limit, 32) as usize;
@@ -2144,7 +2113,7 @@ impl<T: Read> Read for Take<T> {
}
}
-#[stable(feature = "rust1", since = "1.0.0")]
@ -1715,7 +1579,7 @@ index 1ce66b9..fad199d 100644
impl<T: BufRead> BufRead for Take<T> {
fn fill_buf(&mut self) -> Result<&[u8]> {
// Don't call into inner reader at all at EOF because it may still block
@@ -2171,13 +2150,11 @@ impl<T: BufRead> BufRead for Take<T> {
@@ -2171,13 +2140,11 @@ impl<T: BufRead> BufRead for Take<T> {
/// Please see the documentation of [`bytes`] for more details.
///
/// [`bytes`]: trait.Read.html#method.bytes
@ -1729,7 +1593,7 @@ index 1ce66b9..fad199d 100644
impl<R: Read> Iterator for Bytes<R> {
type Item = Result<u8>;
@@ -2201,14 +2178,14 @@ impl<R: Read> Iterator for Bytes<R> {
@@ -2201,14 +2168,14 @@ impl<R: Read> Iterator for Bytes<R> {
/// `BufRead`. Please see the documentation of `split()` for more details.
///
/// [split]: trait.BufRead.html#method.split
@ -1746,7 +1610,7 @@ index 1ce66b9..fad199d 100644
impl<B: BufRead> Iterator for Split<B> {
type Item = Result<Vec<u8>>;
@@ -2233,13 +2210,13 @@ impl<B: BufRead> Iterator for Split<B> {
@@ -2233,13 +2200,13 @@ impl<B: BufRead> Iterator for Split<B> {
/// `BufRead`. Please see the documentation of `lines()` for more details.
///
/// [lines]: trait.BufRead.html#method.lines
@ -1789,8 +1653,8 @@ index d2638be..1296fe1 100644
-use crate::io::{self, Read, Initializer, Write, ErrorKind, BufRead, IoVec, IoVecMut};
-use crate::mem;
+use core::fmt;
+use crate::io::{self, Read, Initializer, Write, ErrorKind};
+#[cfg(feature="collections")] use crate::io::{BufRead, IoVec, IoVecMut};
+use crate::io::{self, Read, Initializer, Write, ErrorKind, IoVec, IoVecMut};
+#[cfg(feature="collections")] use crate::io::BufRead;
+use core::mem;
/// Copies the entire contents of a reader into a writer.
@ -1859,15 +1723,7 @@ index d2638be..1296fe1 100644
impl Read for Repeat {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
@@ -152,6 +146,7 @@ impl Read for Repeat {
Ok(buf.len())
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nwritten = 0;
@@ -167,7 +162,6 @@ impl Read for Repeat {
@@ -167,7 +161,6 @@ impl Read for Repeat {
}
}
@ -1875,7 +1731,7 @@ index d2638be..1296fe1 100644
impl fmt::Debug for Repeat {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.pad("Repeat { .. }")
@@ -180,7 +174,6 @@ impl fmt::Debug for Repeat {
@@ -180,7 +173,6 @@ impl fmt::Debug for Repeat {
/// see the documentation of `sink()` for more details.
///
/// [sink]: fn.sink.html
@ -1883,7 +1739,7 @@ index d2638be..1296fe1 100644
pub struct Sink { _priv: () }
/// Creates an instance of a writer which will successfully consume all data.
@@ -197,14 +190,13 @@ pub struct Sink { _priv: () }
@@ -197,10 +189,8 @@ pub struct Sink { _priv: () }
/// let num_bytes = io::sink().write(&buffer).unwrap();
/// assert_eq!(num_bytes, 5);
/// ```
@ -1894,12 +1750,7 @@ index d2638be..1296fe1 100644
impl Write for Sink {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { Ok(buf.len()) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let total_len = bufs.iter().map(|b| b.len()).sum();
@@ -215,7 +207,6 @@ impl Write for Sink {
@@ -215,7 +205,6 @@ impl Write for Sink {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}

22
patches/3c9e884dd3bf93b1516d3b5858072b7659c4cfba.patch
View File

@ -1401,16 +1401,16 @@ index 278ee79..ebe2495 100644
impl<T: Read> Read for Take<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1907,15 +1856,9 @@ impl<T: Read> Read for Take<T> {
unsafe fn initializer(&self) -> Initializer {
@@ -1908,6 +1857,7 @@ impl<T: Read> Read for Take<T> {
self.inner.initializer()
}
-
- fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
- let reservation_size = cmp::min(self.limit, 32) as usize;
-
- read_to_end_with_reservation(self, buf, reservation_size)
- }
+ #[cfg(feature="collections")]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
let reservation_size = cmp::min(self.limit, 32) as usize;
@@ -1915,7 +1865,7 @@ impl<T: Read> Read for Take<T> {
}
}
-#[stable(feature = "rust1", since = "1.0.0")]
@ -1418,7 +1418,7 @@ index 278ee79..ebe2495 100644
impl<T: BufRead> BufRead for Take<T> {
fn fill_buf(&mut self) -> Result<&[u8]> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1954,13 +1897,11 @@ fn read_one_byte(reader: &mut dyn Read) -> Option<Result<u8>> {
@@ -1954,13 +1904,11 @@ fn read_one_byte(reader: &mut dyn Read) -> Option<Result<u8>> {
/// Please see the documentation of [`bytes`] for more details.
///
/// [`bytes`]: trait.Read.html#method.bytes
@ -1432,7 +1432,7 @@ index 278ee79..ebe2495 100644
impl<R: Read> Iterator for Bytes<R> {
type Item = Result<u8>;
@@ -1976,14 +1917,14 @@ impl<R: Read> Iterator for Bytes<R> {
@@ -1976,14 +1924,14 @@ impl<R: Read> Iterator for Bytes<R> {
/// `BufRead`. Please see the documentation of `split()` for more details.
///
/// [split]: trait.BufRead.html#method.split
@ -1449,7 +1449,7 @@ index 278ee79..ebe2495 100644
impl<B: BufRead> Iterator for Split<B> {
type Item = Result<Vec<u8>>;
@@ -2008,13 +1949,13 @@ impl<B: BufRead> Iterator for Split<B> {
@@ -2008,13 +1956,13 @@ impl<B: BufRead> Iterator for Split<B> {
/// `BufRead`. Please see the documentation of `lines()` for more details.
///
/// [lines]: trait.BufRead.html#method.lines

22
patches/472ca7159812f8c360697f63454ee7bda1e02570.patch
View File

@ -1401,16 +1401,16 @@ index b83f3fb..883fa30 100644
impl<T: Read> Read for Take<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1906,15 +1855,9 @@ impl<T: Read> Read for Take<T> {
unsafe fn initializer(&self) -> Initializer {
@@ -1907,6 +1856,7 @@ impl<T: Read> Read for Take<T> {
self.inner.initializer()
}
-
- fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
- let reservation_size = cmp::min(self.limit, 32) as usize;
-
- read_to_end_with_reservation(self, buf, reservation_size)
- }
+ #[cfg(feature="collections")]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
let reservation_size = cmp::min(self.limit, 32) as usize;
@@ -1914,7 +1864,7 @@ impl<T: Read> Read for Take<T> {
}
}
-#[stable(feature = "rust1", since = "1.0.0")]
@ -1418,7 +1418,7 @@ index b83f3fb..883fa30 100644
impl<T: BufRead> BufRead for Take<T> {
fn fill_buf(&mut self) -> Result<&[u8]> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1953,13 +1896,11 @@ fn read_one_byte(reader: &mut dyn Read) -> Option<Result<u8>> {
@@ -1953,13 +1903,11 @@ fn read_one_byte(reader: &mut dyn Read) -> Option<Result<u8>> {
/// Please see the documentation of [`bytes`] for more details.
///
/// [`bytes`]: trait.Read.html#method.bytes
@ -1432,7 +1432,7 @@ index b83f3fb..883fa30 100644
impl<R: Read> Iterator for Bytes<R> {
type Item = Result<u8>;
@@ -1975,14 +1916,14 @@ impl<R: Read> Iterator for Bytes<R> {
@@ -1975,14 +1923,14 @@ impl<R: Read> Iterator for Bytes<R> {
/// `BufRead`. Please see the documentation of `split()` for more details.
///
/// [split]: trait.BufRead.html#method.split
@ -1449,7 +1449,7 @@ index b83f3fb..883fa30 100644
impl<B: BufRead> Iterator for Split<B> {
type Item = Result<Vec<u8>>;
@@ -2007,13 +1948,13 @@ impl<B: BufRead> Iterator for Split<B> {
@@ -2007,13 +1955,13 @@ impl<B: BufRead> Iterator for Split<B> {
/// `BufRead`. Please see the documentation of `lines()` for more details.
///
/// [lines]: trait.BufRead.html#method.lines

22
patches/5285d35b49e1e8976f2a8d9d2e6f5bd1324016d3.patch
View File

@ -1401,16 +1401,16 @@ index e263db2..2176464 100644
impl<T: Read> Read for Take<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1907,15 +1856,9 @@ impl<T: Read> Read for Take<T> {
unsafe fn initializer(&self) -> Initializer {
@@ -1908,6 +1857,7 @@ impl<T: Read> Read for Take<T> {
self.inner.initializer()
}
-
- fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
- let reservation_size = cmp::min(self.limit, 32) as usize;
-
- read_to_end_with_reservation(self, buf, reservation_size)
- }
+ #[cfg(feature="collections")]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
let reservation_size = cmp::min(self.limit, 32) as usize;
@@ -1915,7 +1865,7 @@ impl<T: Read> Read for Take<T> {
}
}
-#[stable(feature = "rust1", since = "1.0.0")]
@ -1418,7 +1418,7 @@ index e263db2..2176464 100644
impl<T: BufRead> BufRead for Take<T> {
fn fill_buf(&mut self) -> Result<&[u8]> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1954,13 +1897,11 @@ fn read_one_byte(reader: &mut dyn Read) -> Option<Result<u8>> {
@@ -1954,13 +1904,11 @@ fn read_one_byte(reader: &mut dyn Read) -> Option<Result<u8>> {
/// Please see the documentation of [`bytes`] for more details.
///
/// [`bytes`]: trait.Read.html#method.bytes
@ -1432,7 +1432,7 @@ index e263db2..2176464 100644
impl<R: Read> Iterator for Bytes<R> {
type Item = Result<u8>;
@@ -1976,14 +1917,14 @@ impl<R: Read> Iterator for Bytes<R> {
@@ -1976,14 +1924,14 @@ impl<R: Read> Iterator for Bytes<R> {
/// `BufRead`. Please see the documentation of `split()` for more details.
///
/// [split]: trait.BufRead.html#method.split
@ -1449,7 +1449,7 @@ index e263db2..2176464 100644
impl<B: BufRead> Iterator for Split<B> {
type Item = Result<Vec<u8>>;
@@ -2008,13 +1949,13 @@ impl<B: BufRead> Iterator for Split<B> {
@@ -2008,13 +1956,13 @@ impl<B: BufRead> Iterator for Split<B> {
/// `BufRead`. Please see the documentation of `lines()` for more details.
///
/// [lines]: trait.BufRead.html#method.lines

22
patches/654c5788aa2130acfc89a0883952c6de4bddac95.patch
View File

@ -1401,16 +1401,16 @@ index b83f3fb..883fa30 100644
impl<T: Read> Read for Take<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1906,15 +1855,9 @@ impl<T: Read> Read for Take<T> {
unsafe fn initializer(&self) -> Initializer {
@@ -1907,6 +1856,7 @@ impl<T: Read> Read for Take<T> {
self.inner.initializer()
}
-
- fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
- let reservation_size = cmp::min(self.limit, 32) as usize;
-
- read_to_end_with_reservation(self, buf, reservation_size)
- }
+ #[cfg(feature="collections")]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
let reservation_size = cmp::min(self.limit, 32) as usize;
@@ -1914,7 +1864,7 @@ impl<T: Read> Read for Take<T> {
}
}
-#[stable(feature = "rust1", since = "1.0.0")]
@ -1418,7 +1418,7 @@ index b83f3fb..883fa30 100644
impl<T: BufRead> BufRead for Take<T> {
fn fill_buf(&mut self) -> Result<&[u8]> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1953,13 +1896,11 @@ fn read_one_byte(reader: &mut dyn Read) -> Option<Result<u8>> {
@@ -1953,13 +1903,11 @@ fn read_one_byte(reader: &mut dyn Read) -> Option<Result<u8>> {
/// Please see the documentation of [`bytes`] for more details.
///
/// [`bytes`]: trait.Read.html#method.bytes
@ -1432,7 +1432,7 @@ index b83f3fb..883fa30 100644
impl<R: Read> Iterator for Bytes<R> {
type Item = Result<u8>;
@@ -1975,14 +1916,14 @@ impl<R: Read> Iterator for Bytes<R> {
@@ -1975,14 +1923,14 @@ impl<R: Read> Iterator for Bytes<R> {
/// `BufRead`. Please see the documentation of `split()` for more details.
///
/// [split]: trait.BufRead.html#method.split
@ -1449,7 +1449,7 @@ index b83f3fb..883fa30 100644
impl<B: BufRead> Iterator for Split<B> {
type Item = Result<Vec<u8>>;
@@ -2007,13 +1948,13 @@ impl<B: BufRead> Iterator for Split<B> {
@@ -2007,13 +1955,13 @@ impl<B: BufRead> Iterator for Split<B> {
/// `BufRead`. Please see the documentation of `lines()` for more details.
///
/// [lines]: trait.BufRead.html#method.lines

22
patches/71120ef1e5cb885ee45e6148970db6ce93ce1aca.patch
View File

@ -1401,16 +1401,16 @@ index b83f3fb..883fa30 100644
impl<T: Read> Read for Take<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1906,15 +1855,9 @@ impl<T: Read> Read for Take<T> {
unsafe fn initializer(&self) -> Initializer {
@@ -1907,6 +1856,7 @@ impl<T: Read> Read for Take<T> {
self.inner.initializer()
}
-
- fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
- let reservation_size = cmp::min(self.limit, 32) as usize;
-
- read_to_end_with_reservation(self, buf, reservation_size)
- }
+ #[cfg(feature="collections")]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
let reservation_size = cmp::min(self.limit, 32) as usize;
@@ -1914,7 +1864,7 @@ impl<T: Read> Read for Take<T> {
}
}
-#[stable(feature = "rust1", since = "1.0.0")]
@ -1418,7 +1418,7 @@ index b83f3fb..883fa30 100644
impl<T: BufRead> BufRead for Take<T> {
fn fill_buf(&mut self) -> Result<&[u8]> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1953,13 +1896,11 @@ fn read_one_byte(reader: &mut dyn Read) -> Option<Result<u8>> {
@@ -1953,13 +1903,11 @@ fn read_one_byte(reader: &mut dyn Read) -> Option<Result<u8>> {
/// Please see the documentation of [`bytes`] for more details.
///
/// [`bytes`]: trait.Read.html#method.bytes
@ -1432,7 +1432,7 @@ index b83f3fb..883fa30 100644
impl<R: Read> Iterator for Bytes<R> {
type Item = Result<u8>;
@@ -1975,14 +1916,14 @@ impl<R: Read> Iterator for Bytes<R> {
@@ -1975,14 +1923,14 @@ impl<R: Read> Iterator for Bytes<R> {
/// `BufRead`. Please see the documentation of `split()` for more details.
///
/// [split]: trait.BufRead.html#method.split
@ -1449,7 +1449,7 @@ index b83f3fb..883fa30 100644
impl<B: BufRead> Iterator for Split<B> {
type Item = Result<Vec<u8>>;
@@ -2007,13 +1948,13 @@ impl<B: BufRead> Iterator for Split<B> {
@@ -2007,13 +1955,13 @@ impl<B: BufRead> Iterator for Split<B> {
/// `BufRead`. Please see the documentation of `lines()` for more details.
///
/// [lines]: trait.BufRead.html#method.lines

355
patches/89573b3c8b629507130b1ec8beeaf550fdc0e046.patch
View File

@ -15,7 +15,7 @@ index 4668e3e..4c125bd 100644
+use core::fmt;
use crate::io::{self, Initializer, DEFAULT_BUF_SIZE, Error, ErrorKind, SeekFrom, IoVec, IoVecMut};
-use crate::memchr;
+use io::memchr;
+use crate::io::memchr;
/// The `BufReader` struct adds buffering to any reader.
///
@ -308,24 +308,22 @@ index 4668e3e..4c125bd 100644
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
fmt.debug_struct("LineWriter")
diff --git a/cursor.rs b/cursor.rs
index 247d45c..f13522d 100644
index 247d45c..d47179e 100644
--- a/cursor.rs
+++ b/cursor.rs
@@ -1,9 +1,10 @@
@@ -1,9 +1,9 @@
use crate::io::prelude::*;
-use crate::cmp;
-use crate::io::{self, Initializer, SeekFrom, Error, ErrorKind, IoVec, IoVecMut};
+use core::cmp;
+use crate::io::{self, Initializer, SeekFrom, Error, ErrorKind};
+#[cfg(feature="collections")] use crate::io::{IoVec, IoVecMut};
use crate::io::{self, Initializer, SeekFrom, Error, ErrorKind, IoVec, IoVecMut};
-use core::convert::TryInto;
+#[cfg(feature="collections")] use core::convert::TryInto;
/// A `Cursor` wraps an in-memory buffer and provides it with a
/// [`Seek`] implementation.
@@ -71,7 +72,6 @@ use core::convert::TryInto;
@@ -71,7 +71,6 @@ use core::convert::TryInto;
/// assert_eq!(&buff.get_ref()[5..15], &[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]);
/// }
/// ```
@ -333,7 +331,7 @@ index 247d45c..f13522d 100644
#[derive(Clone, Debug)]
pub struct Cursor<T> {
inner: T,
@@ -94,7 +94,6 @@ impl<T> Cursor<T> {
@@ -94,7 +93,6 @@ impl<T> Cursor<T> {
/// # fn force_inference(_: &Cursor<Vec<u8>>) {}
/// # force_inference(&buff);
/// ```
@ -341,7 +339,7 @@ index 247d45c..f13522d 100644
pub fn new(inner: T) -> Cursor<T> {
Cursor { pos: 0, inner: inner }
}
@@ -112,7 +111,6 @@ impl<T> Cursor<T> {
@@ -112,7 +110,6 @@ impl<T> Cursor<T> {
///
/// let vec = buff.into_inner();
/// ```
@ -349,7 +347,7 @@ index 247d45c..f13522d 100644
pub fn into_inner(self) -> T { self.inner }
/// Gets a reference to the underlying value in this cursor.
@@ -128,7 +126,6 @@ impl<T> Cursor<T> {
@@ -128,7 +125,6 @@ impl<T> Cursor<T> {
///
/// let reference = buff.get_ref();
/// ```
@ -357,7 +355,7 @@ index 247d45c..f13522d 100644
pub fn get_ref(&self) -> &T { &self.inner }
/// Gets a mutable reference to the underlying value in this cursor.
@@ -147,7 +144,6 @@ impl<T> Cursor<T> {
@@ -147,7 +143,6 @@ impl<T> Cursor<T> {
///
/// let reference = buff.get_mut();
/// ```
@ -365,7 +363,7 @@ index 247d45c..f13522d 100644
pub fn get_mut(&mut self) -> &mut T { &mut self.inner }
/// Returns the current position of this cursor.
@@ -169,7 +165,6 @@ impl<T> Cursor<T> {
@@ -169,7 +164,6 @@ impl<T> Cursor<T> {
/// buff.seek(SeekFrom::Current(-1)).unwrap();
/// assert_eq!(buff.position(), 1);
/// ```
@ -373,7 +371,7 @@ index 247d45c..f13522d 100644
pub fn position(&self) -> u64 { self.pos }
/// Sets the position of this cursor.
@@ -189,11 +184,9 @@ impl<T> Cursor<T> {
@@ -189,11 +183,9 @@ impl<T> Cursor<T> {
/// buff.set_position(4);
/// assert_eq!(buff.position(), 4);
/// ```
@ -385,7 +383,7 @@ index 247d45c..f13522d 100644
impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
fn seek(&mut self, style: SeekFrom) -> io::Result<u64> {
let (base_pos, offset) = match style {
@@ -222,14 +215,14 @@ impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
@@ -222,10 +214,9 @@ impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
}
}
@ -397,12 +395,7 @@ index 247d45c..f13522d 100644
self.pos += n as u64;
Ok(n)
}
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nread = 0;
for buf in bufs {
@@ -244,7 +237,7 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
@@ -244,7 +235,7 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
fn read_exact(&mut self, buf: &mut [u8]) -> io::Result<()> {
let n = buf.len();
@ -411,7 +404,7 @@ index 247d45c..f13522d 100644
self.pos += n as u64;
Ok(())
}
@@ -255,12 +248,16 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
@@ -255,12 +246,16 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
}
}
@ -431,15 +424,7 @@ index 247d45c..f13522d 100644
fn consume(&mut self, amt: usize) { self.pos += amt as u64; }
}
@@ -272,6 +269,7 @@ fn slice_write(pos_mut: &mut u64, slice: &mut [u8], buf: &[u8]) -> io::Result<us
Ok(amt)
}
+#[cfg(feature="collections")]
fn slice_write_vectored(
pos_mut: &mut u64,
slice: &mut [u8],
@@ -290,6 +288,7 @@ fn slice_write_vectored(
@@ -290,6 +285,7 @@ fn slice_write_vectored(
}
// Resizing write implementation
@ -447,7 +432,7 @@ index 247d45c..f13522d 100644
fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usize> {
let pos: usize = (*pos_mut).try_into().map_err(|_| {
Error::new(ErrorKind::InvalidInput,
@@ -316,6 +315,7 @@ fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usi
@@ -316,6 +312,7 @@ fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usi
Ok(buf.len())
}
@ -455,7 +440,7 @@ index 247d45c..f13522d 100644
fn vec_write_vectored(
pos_mut: &mut u64,
vec: &mut Vec<u8>,
@@ -329,13 +329,13 @@ fn vec_write_vectored(
@@ -329,7 +326,6 @@ fn vec_write_vectored(
Ok(nwritten)
}
@ -463,14 +448,7 @@ index 247d45c..f13522d 100644
impl Write for Cursor<&mut [u8]> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
slice_write(&mut self.pos, self.inner, buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
slice_write_vectored(&mut self.pos, self.inner, bufs)
@@ -344,12 +344,13 @@ impl Write for Cursor<&mut [u8]> {
@@ -344,7 +340,7 @@ impl Write for Cursor<&mut [u8]> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -479,13 +457,7 @@ index 247d45c..f13522d 100644
impl Write for Cursor<&mut Vec<u8>> {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
vec_write(&mut self.pos, self.inner, buf)
}
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
vec_write_vectored(&mut self.pos, self.inner, bufs)
}
@@ -357,12 +358,13 @@ impl Write for Cursor<&mut Vec<u8>> {
@@ -357,7 +353,7 @@ impl Write for Cursor<&mut Vec<u8>> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -494,13 +466,7 @@ index 247d45c..f13522d 100644
impl Write for Cursor<Vec<u8>> {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
vec_write(&mut self.pos, &mut self.inner, buf)
}
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
vec_write_vectored(&mut self.pos, &mut self.inner, bufs)
}
@@ -370,13 +372,14 @@ impl Write for Cursor<Vec<u8>> {
@@ -370,8 +366,8 @@ impl Write for Cursor<Vec<u8>> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -511,12 +477,6 @@ index 247d45c..f13522d 100644
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
slice_write(&mut self.pos, &mut self.inner, buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
slice_write_vectored(&mut self.pos, &mut self.inner, bufs)
diff --git a/error.rs b/error.rs
index 614b791..e4ce8b5 100644
--- a/error.rs
@ -844,7 +804,7 @@ diff --git a/impls.rs b/impls.rs
index b286e40..7472d9c 100644
--- a/impls.rs
+++ b/impls.rs
@@ -1,19 +1,22 @@
@@ -1,13 +1,15 @@
-use crate::cmp;
-use crate::io::{self, SeekFrom, Read, Initializer, Write, Seek, BufRead, Error, ErrorKind, IoVecMut,
- IoVec};
@ -852,8 +812,8 @@ index b286e40..7472d9c 100644
-use crate::mem;
+#[cfg(feature="alloc")] use alloc::boxed::Box;
+use core::cmp;
+use crate::io::{self, SeekFrom, Read, Initializer, Write, Seek, Error, ErrorKind};
+#[cfg(feature="collections")] use crate::io::{BufRead, IoVecMut, IoVec};
+use crate::io::{self, SeekFrom, Read, Initializer, Write, Seek, Error, ErrorKind, IoVecMut, IoVec};
+#[cfg(feature="collections")] use crate::io::BufRead;
+use core::fmt;
+use core::mem;
+#[cfg(feature="collections")] use collections::string::String;
@ -866,14 +826,7 @@ index b286e40..7472d9c 100644
impl<R: Read + ?Sized> Read for &mut R {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
(**self).read(buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
(**self).read_vectored(bufs)
@@ -24,11 +27,13 @@ impl<R: Read + ?Sized> Read for &mut R {
@@ -24,11 +26,13 @@ impl<R: Read + ?Sized> Read for &mut R {
(**self).initializer()
}
@ -887,7 +840,7 @@ index b286e40..7472d9c 100644
#[inline]
fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> {
(**self).read_to_string(buf)
@@ -39,11 +44,11 @@ impl<R: Read + ?Sized> Read for &mut R {
@@ -39,7 +43,6 @@ impl<R: Read + ?Sized> Read for &mut R {
(**self).read_exact(buf)
}
}
@ -895,12 +848,7 @@ index b286e40..7472d9c 100644
impl<W: Write + ?Sized> Write for &mut W {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { (**self).write(buf) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
(**self).write_vectored(bufs)
@@ -62,12 +67,11 @@ impl<W: Write + ?Sized> Write for &mut W {
@@ -62,12 +65,11 @@ impl<W: Write + ?Sized> Write for &mut W {
(**self).write_fmt(fmt)
}
}
@ -914,7 +862,7 @@ index b286e40..7472d9c 100644
impl<B: BufRead + ?Sized> BufRead for &mut B {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { (**self).fill_buf() }
@@ -86,13 +90,14 @@ impl<B: BufRead + ?Sized> BufRead for &mut B {
@@ -86,7 +88,7 @@ impl<B: BufRead + ?Sized> BufRead for &mut B {
}
}
@ -923,14 +871,7 @@ index b286e40..7472d9c 100644
impl<R: Read + ?Sized> Read for Box<R> {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
(**self).read(buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
(**self).read_vectored(bufs)
@@ -103,11 +108,13 @@ impl<R: Read + ?Sized> Read for Box<R> {
@@ -103,11 +105,13 @@ impl<R: Read + ?Sized> Read for Box<R> {
(**self).initializer()
}
@ -944,7 +885,7 @@ index b286e40..7472d9c 100644
#[inline]
fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> {
(**self).read_to_string(buf)
@@ -118,11 +125,12 @@ impl<R: Read + ?Sized> Read for Box<R> {
@@ -118,7 +122,7 @@ impl<R: Read + ?Sized> Read for Box<R> {
(**self).read_exact(buf)
}
}
@ -953,12 +894,7 @@ index b286e40..7472d9c 100644
impl<W: Write + ?Sized> Write for Box<W> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { (**self).write(buf) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
(**self).write_vectored(bufs)
@@ -141,12 +149,12 @@ impl<W: Write + ?Sized> Write for Box<W> {
@@ -141,12 +145,12 @@ impl<W: Write + ?Sized> Write for Box<W> {
(**self).write_fmt(fmt)
}
}
@ -973,7 +909,7 @@ index b286e40..7472d9c 100644
impl<B: BufRead + ?Sized> BufRead for Box<B> {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { (**self).fill_buf() }
@@ -186,7 +194,6 @@ impl Write for Box<dyn (::realstd::io::Write) + Send> {
@@ -186,7 +190,6 @@ impl Write for Box<dyn (::realstd::io::Write) + Send> {
///
/// Note that reading updates the slice to point to the yet unread part.
/// The slice will be empty when EOF is reached.
@ -981,15 +917,7 @@ index b286e40..7472d9c 100644
impl Read for &[u8] {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
@@ -206,6 +213,7 @@ impl Read for &[u8] {
Ok(amt)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nread = 0;
@@ -245,6 +253,7 @@ impl Read for &[u8] {
@@ -245,6 +248,7 @@ impl Read for &[u8] {
Ok(())
}
@ -997,7 +925,7 @@ index b286e40..7472d9c 100644
#[inline]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> io::Result<usize> {
buf.extend_from_slice(*self);
@@ -254,7 +263,7 @@ impl Read for &[u8] {
@@ -254,7 +258,7 @@ impl Read for &[u8] {
}
}
@ -1006,7 +934,7 @@ index b286e40..7472d9c 100644
impl BufRead for &[u8] {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { Ok(*self) }
@@ -268,7 +277,6 @@ impl BufRead for &[u8] {
@@ -268,7 +272,6 @@ impl BufRead for &[u8] {
///
/// Note that writing updates the slice to point to the yet unwritten part.
/// The slice will be empty when it has been completely overwritten.
@ -1014,15 +942,7 @@ index b286e40..7472d9c 100644
impl Write for &mut [u8] {
#[inline]
fn write(&mut self, data: &[u8]) -> io::Result<usize> {
@@ -279,6 +287,7 @@ impl Write for &mut [u8] {
Ok(amt)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let mut nwritten = 0;
@@ -307,7 +316,7 @@ impl Write for &mut [u8] {
@@ -307,7 +310,7 @@ impl Write for &mut [u8] {
/// Write is implemented for `Vec<u8>` by appending to the vector.
/// The vector will grow as needed.
@ -1031,14 +951,6 @@ index b286e40..7472d9c 100644
impl Write for Vec<u8> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
@@ -315,6 +324,7 @@ impl Write for Vec<u8> {
Ok(buf.len())
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let len = bufs.iter().map(|b| b.len()).sum();
diff --git a/mod.rs b/mod.rs
index 4c88fc8..2059b5a 100644
--- a/mod.rs
@ -1072,9 +984,9 @@ index 4c88fc8..2059b5a 100644
+mod memchr;
+#[cfg(all(feature="collections",core_memchr))]
+use core::slice::memchr;
+#[cfg(feature="collections")] use core::ops::{Deref, DerefMut};
+use core::ptr;
+use core::slice;
+use core::ops::{Deref, DerefMut};
+use core::ptr;
+
+#[cfg(feature="collections")] pub use self::buffered::{BufReader, BufWriter, LineWriter};
+#[cfg(feature="collections")] pub use self::buffered::IntoInnerError;
@ -1134,23 +1046,7 @@ index 4c88fc8..2059b5a 100644
fn read_to_end_with_reservation<R: Read + ?Sized>(r: &mut R,
buf: &mut Vec<u8>,
reservation_size: usize) -> Result<usize>
@@ -390,6 +381,7 @@ fn read_to_end_with_reservation<R: Read + ?Sized>(r: &mut R,
ret
}
+#[cfg(feature="collections")]
pub(crate) fn default_read_vectored<F>(read: F, bufs: &mut [IoVecMut<'_>]) -> Result<usize>
where
F: FnOnce(&mut [u8]) -> Result<usize>
@@ -401,6 +393,7 @@ where
read(buf)
}
+#[cfg(feature="collections")]
pub(crate) fn default_write_vectored<F>(write: F, bufs: &[IoVec<'_>]) -> Result<usize>
where
F: FnOnce(&[u8]) -> Result<usize>
@@ -484,7 +477,6 @@ where
@@ -484,7 +475,6 @@ where
/// [`BufReader`]: struct.BufReader.html
/// [`&str`]: ../../std/primitive.str.html
/// [slice]: ../../std/primitive.slice.html
@ -1158,7 +1054,7 @@ index 4c88fc8..2059b5a 100644
#[doc(spotlight)]
pub trait Read {
/// Pull some bytes from this source into the specified buffer, returning
@@ -541,7 +533,6 @@ pub trait Read {
@@ -541,7 +531,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1166,16 +1062,15 @@ index 4c88fc8..2059b5a 100644
fn read(&mut self, buf: &mut [u8]) -> Result<usize>;
/// Like `read`, except that it reads into a slice of buffers.
@@ -552,7 +543,7 @@ pub trait Read {
@@ -552,7 +541,6 @@ pub trait Read {
///
/// The default implementation calls `read` with either the first nonempty
/// buffer provided, or an empty one if none exists.
- #[unstable(feature = "iovec", issue = "58452")]
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> Result<usize> {
default_read_vectored(|b| self.read(b), bufs)
}
@@ -579,7 +570,6 @@ pub trait Read {
@@ -579,7 +567,6 @@ pub trait Read {
///
/// [`Initializer::nop()`]: ../../std/io/struct.Initializer.html#method.nop
/// [`Initializer`]: ../../std/io/struct.Initializer.html
@ -1183,7 +1078,7 @@ index 4c88fc8..2059b5a 100644
#[inline]
unsafe fn initializer(&self) -> Initializer {
Initializer::zeroing()
@@ -632,7 +622,7 @@ pub trait Read {
@@ -632,7 +619,7 @@ pub trait Read {
/// file.)
///
/// [`std::fs::read`]: ../fs/fn.read.html
@ -1192,7 +1087,7 @@ index 4c88fc8..2059b5a 100644
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
read_to_end(self, buf)
}
@@ -675,7 +665,7 @@ pub trait Read {
@@ -675,7 +662,7 @@ pub trait Read {
/// reading from a file.)
///
/// [`std::fs::read_to_string`]: ../fs/fn.read_to_string.html
@ -1201,7 +1096,7 @@ index 4c88fc8..2059b5a 100644
fn read_to_string(&mut self, buf: &mut String) -> Result<usize> {
// Note that we do *not* call `.read_to_end()` here. We are passing
// `&mut Vec<u8>` (the raw contents of `buf`) into the `read_to_end`
@@ -738,7 +728,6 @@ pub trait Read {
@@ -738,7 +725,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1209,7 +1104,7 @@ index 4c88fc8..2059b5a 100644
fn read_exact(&mut self, mut buf: &mut [u8]) -> Result<()> {
while !buf.is_empty() {
match self.read(buf) {
@@ -790,7 +779,6 @@ pub trait Read {
@@ -790,7 +776,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1217,7 +1112,7 @@ index 4c88fc8..2059b5a 100644
fn by_ref(&mut self) -> &mut Self where Self: Sized { self }
/// Transforms this `Read` instance to an [`Iterator`] over its bytes.
@@ -827,7 +815,6 @@ pub trait Read {
@@ -827,7 +812,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1225,7 +1120,7 @@ index 4c88fc8..2059b5a 100644
fn bytes(self) -> Bytes<Self> where Self: Sized {
Bytes { inner: self }
}
@@ -862,7 +849,6 @@ pub trait Read {
@@ -862,7 +846,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1233,7 +1128,7 @@ index 4c88fc8..2059b5a 100644
fn chain<R: Read>(self, next: R) -> Chain<Self, R> where Self: Sized {
Chain { first: self, second: next, done_first: false }
}
@@ -898,42 +884,77 @@ pub trait Read {
@@ -898,22 +881,52 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1243,10 +1138,8 @@ index 4c88fc8..2059b5a 100644
}
}
+#[cfg(feature="collections")]
+pub struct IoVecBuffer<'a>(&'a [u8]);
+
+#[cfg(feature="collections")]
+impl<'a> IoVecBuffer<'a> {
+ #[inline]
+ pub fn new(buf: &'a [u8]) -> IoVecBuffer<'a> {
@ -1258,10 +1151,9 @@ index 4c88fc8..2059b5a 100644
+ self.0
+ }
+}
+#[cfg(feature="collections")]
+
+pub struct IoVecMutBuffer<'a>(&'a mut [u8]);
+
+#[cfg(feature="collections")]
+impl<'a> IoVecMutBuffer<'a> {
+ #[inline]
+ pub fn new(buf: &'a mut [u8]) -> IoVecMutBuffer<'a> {
@ -1285,23 +1177,15 @@ index 4c88fc8..2059b5a 100644
/// ABI compatible with the `iovec` type on Unix platforms and `WSABUF` on
/// Windows.
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
#[repr(transparent)]
-pub struct IoVecMut<'a>(sys::io::IoVecMut<'a>);
+pub struct IoVecMut<'a>(IoVecMutBuffer<'a>);
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> fmt::Debug for IoVecMut<'a> {
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
fmt::Debug::fmt(self.0.as_slice(), fmt)
}
}
+#[cfg(feature="collections")]
impl<'a> IoVecMut<'a> {
/// Creates a new `IoVecMut` wrapping a byte slice.
///
@@ -926,14 +939,12 @@ impl<'a> IoVecMut<'a> {
/// # Panics
///
/// Panics on Windows if the slice is larger than 4GB.
@ -1314,41 +1198,31 @@ index 4c88fc8..2059b5a 100644
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> Deref for IoVecMut<'a> {
type Target = [u8];
@@ -943,7 +964,7 @@ impl<'a> Deref for IoVecMut<'a> {
@@ -943,7 +954,6 @@ impl<'a> Deref for IoVecMut<'a> {
}
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> DerefMut for IoVecMut<'a> {
#[inline]
fn deref_mut(&mut self) -> &mut [u8] {
@@ -956,31 +977,31 @@ impl<'a> DerefMut for IoVecMut<'a> {
@@ -956,11 +966,9 @@ impl<'a> DerefMut for IoVecMut<'a> {
/// It is semantically a wrapper around an `&[u8]`, but is guaranteed to be
/// ABI compatible with the `iovec` type on Unix platforms and `WSABUF` on
/// Windows.
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
#[repr(transparent)]
-pub struct IoVec<'a>(sys::io::IoVec<'a>);
+pub struct IoVec<'a>(IoVecBuffer<'a>);
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> fmt::Debug for IoVec<'a> {
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
fmt::Debug::fmt(self.0.as_slice(), fmt)
}
}
+#[cfg(feature="collections")]
impl<'a> IoVec<'a> {
/// Creates a new `IoVec` wrapping a byte slice.
///
@@ -973,14 +981,12 @@ impl<'a> IoVec<'a> {
/// # Panics
///
/// Panics on Windows if the slice is larger than 4GB.
@ -1361,11 +1235,10 @@ index 4c88fc8..2059b5a 100644
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> Deref for IoVec<'a> {
type Target = [u8];
@@ -991,13 +1012,11 @@ impl<'a> Deref for IoVec<'a> {
@@ -991,13 +997,11 @@ impl<'a> Deref for IoVec<'a> {
}
/// A type used to conditionally initialize buffers passed to `Read` methods.
@ -1379,7 +1252,7 @@ index 4c88fc8..2059b5a 100644
#[inline]
pub fn zeroing() -> Initializer {
Initializer(true)
@@ -1011,21 +1030,18 @@ impl Initializer {
@@ -1011,21 +1015,18 @@ impl Initializer {
/// read from buffers passed to `Read` methods, and that the return value of
/// the method accurately reflects the number of bytes that have been
/// written to the head of the buffer.
@ -1401,7 +1274,7 @@ index 4c88fc8..2059b5a 100644
#[inline]
pub fn initialize(&self, buf: &mut [u8]) {
if self.should_initialize() {
@@ -1068,7 +1084,6 @@ impl Initializer {
@@ -1068,7 +1069,6 @@ impl Initializer {
/// Ok(())
/// }
/// ```
@ -1409,7 +1282,7 @@ index 4c88fc8..2059b5a 100644
#[doc(spotlight)]
pub trait Write {
/// Write a buffer into this writer, returning how many bytes were written.
@@ -1117,7 +1132,6 @@ pub trait Write {
@@ -1117,7 +1117,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1417,16 +1290,15 @@ index 4c88fc8..2059b5a 100644
fn write(&mut self, buf: &[u8]) -> Result<usize>;
/// Like `write`, except that it writes from a slice of buffers.
@@ -1128,7 +1142,7 @@ pub trait Write {
@@ -1128,7 +1127,6 @@ pub trait Write {
///
/// The default implementation calls `write` with either the first nonempty
/// buffer provided, or an empty one if none exists.
- #[unstable(feature = "iovec", issue = "58452")]
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> Result<usize> {
default_write_vectored(|b| self.write(b), bufs)
}
@@ -1156,7 +1170,6 @@ pub trait Write {
@@ -1156,7 +1154,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1434,7 +1306,7 @@ index 4c88fc8..2059b5a 100644
fn flush(&mut self) -> Result<()>;
/// Attempts to write an entire buffer into this writer.
@@ -1189,7 +1202,6 @@ pub trait Write {
@@ -1189,7 +1186,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1442,7 +1314,7 @@ index 4c88fc8..2059b5a 100644
fn write_all(&mut self, mut buf: &[u8]) -> Result<()> {
while !buf.is_empty() {
match self.write(buf) {
@@ -1241,7 +1253,6 @@ pub trait Write {
@@ -1241,7 +1237,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1450,7 +1322,7 @@ index 4c88fc8..2059b5a 100644
fn write_fmt(&mut self, fmt: fmt::Arguments) -> Result<()> {
// Create a shim which translates a Write to a fmt::Write and saves
// off I/O errors. instead of discarding them
@@ -1297,7 +1308,6 @@ pub trait Write {
@@ -1297,7 +1292,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1458,7 +1330,7 @@ index 4c88fc8..2059b5a 100644
fn by_ref(&mut self) -> &mut Self where Self: Sized { self }
}
@@ -1327,7 +1337,6 @@ pub trait Write {
@@ -1327,7 +1321,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1466,7 +1338,7 @@ index 4c88fc8..2059b5a 100644
pub trait Seek {
/// Seek to an offset, in bytes, in a stream.
///
@@ -1343,7 +1352,6 @@ pub trait Seek {
@@ -1343,7 +1336,6 @@ pub trait Seek {
/// Seeking to a negative offset is considered an error.
///
/// [`SeekFrom::Start`]: enum.SeekFrom.html#variant.Start
@ -1474,7 +1346,7 @@ index 4c88fc8..2059b5a 100644
fn seek(&mut self, pos: SeekFrom) -> Result<u64>;
/// Returns the length of this stream (in bytes).
@@ -1381,7 +1389,6 @@ pub trait Seek {
@@ -1381,7 +1373,6 @@ pub trait Seek {
/// Ok(())
/// }
/// ```
@ -1482,7 +1354,7 @@ index 4c88fc8..2059b5a 100644
fn stream_len(&mut self) -> Result<u64> {
let old_pos = self.stream_position()?;
let len = self.seek(SeekFrom::End(0))?;
@@ -1420,7 +1427,6 @@ pub trait Seek {
@@ -1420,7 +1411,6 @@ pub trait Seek {
/// Ok(())
/// }
/// ```
@ -1490,7 +1362,7 @@ index 4c88fc8..2059b5a 100644
fn stream_position(&mut self) -> Result<u64> {
self.seek(SeekFrom::Current(0))
}
@@ -1432,29 +1438,26 @@ pub trait Seek {
@@ -1432,29 +1422,26 @@ pub trait Seek {
///
/// [`Seek`]: trait.Seek.html
#[derive(Copy, PartialEq, Eq, Clone, Debug)]
@ -1524,7 +1396,7 @@ index 4c88fc8..2059b5a 100644
fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
-> Result<usize> {
let mut read = 0;
@@ -1534,7 +1537,7 @@ fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
@@ -1534,7 +1521,7 @@ fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
/// }
/// ```
///
@ -1533,7 +1405,7 @@ index 4c88fc8..2059b5a 100644
pub trait BufRead: Read {
/// Returns the contents of the internal buffer, filling it with more data
/// from the inner reader if it is empty.
@@ -1580,7 +1583,6 @@ pub trait BufRead: Read {
@@ -1580,7 +1567,6 @@ pub trait BufRead: Read {
/// // ensure the bytes we worked with aren't returned again later
/// stdin.consume(length);
/// ```
@ -1541,7 +1413,7 @@ index 4c88fc8..2059b5a 100644
fn fill_buf(&mut self) -> Result<&[u8]>;
/// Tells this buffer that `amt` bytes have been consumed from the buffer,
@@ -1602,7 +1604,6 @@ pub trait BufRead: Read {
@@ -1602,7 +1588,6 @@ pub trait BufRead: Read {
/// that method's example includes an example of `consume()`.
///
/// [`fill_buf`]: #tymethod.fill_buf
@ -1549,7 +1421,7 @@ index 4c88fc8..2059b5a 100644
fn consume(&mut self, amt: usize);
/// Read all bytes into `buf` until the delimiter `byte` or EOF is reached.
@@ -1658,7 +1659,6 @@ pub trait BufRead: Read {
@@ -1658,7 +1643,6 @@ pub trait BufRead: Read {
/// assert_eq!(num_bytes, 0);
/// assert_eq!(buf, b"");
/// ```
@ -1557,7 +1429,7 @@ index 4c88fc8..2059b5a 100644
fn read_until(&mut self, byte: u8, buf: &mut Vec<u8>) -> Result<usize> {
read_until(self, byte, buf)
}
@@ -1717,7 +1717,6 @@ pub trait BufRead: Read {
@@ -1717,7 +1701,6 @@ pub trait BufRead: Read {
/// assert_eq!(num_bytes, 0);
/// assert_eq!(buf, "");
/// ```
@ -1565,7 +1437,7 @@ index 4c88fc8..2059b5a 100644
fn read_line(&mut self, buf: &mut String) -> Result<usize> {
// Note that we are not calling the `.read_until` method here, but
// rather our hardcoded implementation. For more details as to why, see
@@ -1758,7 +1757,6 @@ pub trait BufRead: Read {
@@ -1758,7 +1741,6 @@ pub trait BufRead: Read {
/// assert_eq!(split_iter.next(), Some(b"dolor".to_vec()));
/// assert_eq!(split_iter.next(), None);
/// ```
@ -1573,7 +1445,7 @@ index 4c88fc8..2059b5a 100644
fn split(self, byte: u8) -> Split<Self> where Self: Sized {
Split { buf: self, delim: byte }
}
@@ -1797,7 +1795,6 @@ pub trait BufRead: Read {
@@ -1797,7 +1779,6 @@ pub trait BufRead: Read {
/// Each line of the iterator has the same error semantics as [`BufRead::read_line`].
///
/// [`BufRead::read_line`]: trait.BufRead.html#method.read_line
@ -1581,7 +1453,7 @@ index 4c88fc8..2059b5a 100644
fn lines(self) -> Lines<Self> where Self: Sized {
Lines { buf: self }
}
@@ -1809,7 +1806,6 @@ pub trait BufRead: Read {
@@ -1809,7 +1790,6 @@ pub trait BufRead: Read {
/// Please see the documentation of [`chain`] for more details.
///
/// [`chain`]: trait.Read.html#method.chain
@ -1589,7 +1461,7 @@ index 4c88fc8..2059b5a 100644
pub struct Chain<T, U> {
first: T,
second: U,
@@ -1835,7 +1831,6 @@ impl<T, U> Chain<T, U> {
@@ -1835,7 +1815,6 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1597,7 +1469,7 @@ index 4c88fc8..2059b5a 100644
pub fn into_inner(self) -> (T, U) {
(self.first, self.second)
}
@@ -1858,7 +1853,6 @@ impl<T, U> Chain<T, U> {
@@ -1858,7 +1837,6 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1605,7 +1477,7 @@ index 4c88fc8..2059b5a 100644
pub fn get_ref(&self) -> (&T, &U) {
(&self.first, &self.second)
}
@@ -1885,13 +1879,11 @@ impl<T, U> Chain<T, U> {
@@ -1885,13 +1863,11 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1619,7 +1491,7 @@ index 4c88fc8..2059b5a 100644
impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_struct("Chain")
@@ -1901,7 +1893,6 @@ impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
@@ -1901,7 +1877,6 @@ impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
}
}
@ -1627,15 +1499,7 @@ index 4c88fc8..2059b5a 100644
impl<T: Read, U: Read> Read for Chain<T, U> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
if !self.done_first {
@@ -1913,6 +1904,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
self.second.read(buf)
}
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> Result<usize> {
if !self.done_first {
match self.first.read_vectored(bufs)? {
@@ -1933,7 +1925,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
@@ -1933,7 +1908,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
}
}
@ -1644,7 +1508,7 @@ index 4c88fc8..2059b5a 100644
impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
fn fill_buf(&mut self) -> Result<&[u8]> {
if !self.done_first {
@@ -1960,7 +1952,6 @@ impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
@@ -1960,7 +1935,6 @@ impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
/// Please see the documentation of [`take`] for more details.
///
/// [`take`]: trait.Read.html#method.take
@ -1652,7 +1516,7 @@ index 4c88fc8..2059b5a 100644
#[derive(Debug)]
pub struct Take<T> {
inner: T,
@@ -1995,7 +1986,6 @@ impl<T> Take<T> {
@@ -1995,7 +1969,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1660,7 +1524,7 @@ index 4c88fc8..2059b5a 100644
pub fn limit(&self) -> u64 { self.limit }
/// Sets the number of bytes that can be read before this instance will
@@ -2021,7 +2011,6 @@ impl<T> Take<T> {
@@ -2021,7 +1994,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1668,7 +1532,7 @@ index 4c88fc8..2059b5a 100644
pub fn set_limit(&mut self, limit: u64) {
self.limit = limit;
}
@@ -2046,7 +2035,6 @@ impl<T> Take<T> {
@@ -2046,7 +2018,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1676,7 +1540,7 @@ index 4c88fc8..2059b5a 100644
pub fn into_inner(self) -> T {
self.inner
}
@@ -2071,7 +2059,6 @@ impl<T> Take<T> {
@@ -2071,7 +2042,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1684,7 +1548,7 @@ index 4c88fc8..2059b5a 100644
pub fn get_ref(&self) -> &T {
&self.inner
}
@@ -2100,13 +2087,11 @@ impl<T> Take<T> {
@@ -2100,13 +2070,11 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1698,16 +1562,16 @@ index 4c88fc8..2059b5a 100644
impl<T: Read> Read for Take<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
// Don't call into inner reader at all at EOF because it may still block
@@ -2123,15 +2108,9 @@ impl<T: Read> Read for Take<T> {
unsafe fn initializer(&self) -> Initializer {
@@ -2124,6 +2092,7 @@ impl<T: Read> Read for Take<T> {
self.inner.initializer()
}
-
- fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
- let reservation_size = cmp::min(self.limit, 32) as usize;
-
- read_to_end_with_reservation(self, buf, reservation_size)
- }
+ #[cfg(feature="collections")]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
let reservation_size = cmp::min(self.limit, 32) as usize;
@@ -2131,7 +2100,7 @@ impl<T: Read> Read for Take<T> {
}
}
-#[stable(feature = "rust1", since = "1.0.0")]
@ -1715,7 +1579,7 @@ index 4c88fc8..2059b5a 100644
impl<T: BufRead> BufRead for Take<T> {
fn fill_buf(&mut self) -> Result<&[u8]> {
// Don't call into inner reader at all at EOF because it may still block
@@ -2158,13 +2137,11 @@ impl<T: BufRead> BufRead for Take<T> {
@@ -2158,13 +2127,11 @@ impl<T: BufRead> BufRead for Take<T> {
/// Please see the documentation of [`bytes`] for more details.
///
/// [`bytes`]: trait.Read.html#method.bytes
@ -1729,7 +1593,7 @@ index 4c88fc8..2059b5a 100644
impl<R: Read> Iterator for Bytes<R> {
type Item = Result<u8>;
@@ -2188,14 +2165,14 @@ impl<R: Read> Iterator for Bytes<R> {
@@ -2188,14 +2155,14 @@ impl<R: Read> Iterator for Bytes<R> {
/// `BufRead`. Please see the documentation of `split()` for more details.
///
/// [split]: trait.BufRead.html#method.split
@ -1746,7 +1610,7 @@ index 4c88fc8..2059b5a 100644
impl<B: BufRead> Iterator for Split<B> {
type Item = Result<Vec<u8>>;
@@ -2220,13 +2197,13 @@ impl<B: BufRead> Iterator for Split<B> {
@@ -2220,13 +2187,13 @@ impl<B: BufRead> Iterator for Split<B> {
/// `BufRead`. Please see the documentation of `lines()` for more details.
///
/// [lines]: trait.BufRead.html#method.lines
@ -1789,8 +1653,8 @@ index 6aaf8f1..447ce47 100644
-use crate::io::{self, Read, Initializer, Write, ErrorKind, BufRead, IoVec, IoVecMut};
-use crate::mem;
+use core::fmt;
+use crate::io::{self, Read, Initializer, Write, ErrorKind};
+#[cfg(feature="collections")] use crate::io::{BufRead, IoVec, IoVecMut};
+use crate::io::{self, Read, Initializer, Write, ErrorKind, IoVec, IoVecMut};
+#[cfg(feature="collections")] use crate::io::BufRead;
+use core::mem;
/// Copies the entire contents of a reader into a writer.
@ -1859,15 +1723,7 @@ index 6aaf8f1..447ce47 100644
impl Read for Repeat {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
@@ -152,6 +146,7 @@ impl Read for Repeat {
Ok(buf.len())
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nwritten = 0;
@@ -167,7 +162,6 @@ impl Read for Repeat {
@@ -167,7 +161,6 @@ impl Read for Repeat {
}
}
@ -1875,7 +1731,7 @@ index 6aaf8f1..447ce47 100644
impl fmt::Debug for Repeat {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.pad("Repeat { .. }")
@@ -180,7 +174,6 @@ impl fmt::Debug for Repeat {
@@ -180,7 +173,6 @@ impl fmt::Debug for Repeat {
/// see the documentation of `sink()` for more details.
///
/// [sink]: fn.sink.html
@ -1883,7 +1739,7 @@ index 6aaf8f1..447ce47 100644
pub struct Sink { _priv: () }
/// Creates an instance of a writer which will successfully consume all data.
@@ -197,14 +190,13 @@ pub struct Sink { _priv: () }
@@ -197,10 +189,8 @@ pub struct Sink { _priv: () }
/// let num_bytes = io::sink().write(&buffer).unwrap();
/// assert_eq!(num_bytes, 5);
/// ```
@ -1894,12 +1750,7 @@ index 6aaf8f1..447ce47 100644
impl Write for Sink {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { Ok(buf.len()) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let total_len = bufs.iter().map(|b| b.len()).sum();
@@ -215,7 +207,6 @@ impl Write for Sink {
@@ -215,7 +205,6 @@ impl Write for Sink {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}

353
patches/8dbae794b0683668d1b46d2c319ab36dcd9bd96d.patch
View File

@ -15,7 +15,7 @@ index 441f6b9..540d4aa 100644
+use core::fmt;
use crate::io::{self, Initializer, DEFAULT_BUF_SIZE, Error, ErrorKind, SeekFrom, IoVec, IoVecMut};
-use crate::memchr;
+use io::memchr;
+use crate::io::memchr;
/// The `BufReader` struct adds buffering to any reader.
///
@ -311,21 +311,19 @@ diff --git a/cursor.rs b/cursor.rs
index 247d45c..f13522d 100644
--- a/cursor.rs
+++ b/cursor.rs
@@ -1,9 +1,10 @@
@@ -1,9 +1,9 @@
use crate::io::prelude::*;
-use crate::cmp;
-use crate::io::{self, Initializer, SeekFrom, Error, ErrorKind, IoVec, IoVecMut};
+use core::cmp;
+use crate::io::{self, Initializer, SeekFrom, Error, ErrorKind};
+#[cfg(feature="collections")] use crate::io::{IoVec, IoVecMut};
use crate::io::{self, Initializer, SeekFrom, Error, ErrorKind, IoVec, IoVecMut};
-use core::convert::TryInto;
+#[cfg(feature="collections")] use core::convert::TryInto;
/// A `Cursor` wraps an in-memory buffer and provides it with a
/// [`Seek`] implementation.
@@ -71,7 +72,6 @@ use core::convert::TryInto;
@@ -71,7 +71,6 @@ use core::convert::TryInto;
/// assert_eq!(&buff.get_ref()[5..15], &[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]);
/// }
/// ```
@ -333,7 +331,7 @@ index 247d45c..f13522d 100644
#[derive(Clone, Debug)]
pub struct Cursor<T> {
inner: T,
@@ -94,7 +94,6 @@ impl<T> Cursor<T> {
@@ -94,7 +93,6 @@ impl<T> Cursor<T> {
/// # fn force_inference(_: &Cursor<Vec<u8>>) {}
/// # force_inference(&buff);
/// ```
@ -341,7 +339,7 @@ index 247d45c..f13522d 100644
pub fn new(inner: T) -> Cursor<T> {
Cursor { pos: 0, inner: inner }
}
@@ -112,7 +111,6 @@ impl<T> Cursor<T> {
@@ -112,7 +110,6 @@ impl<T> Cursor<T> {
///
/// let vec = buff.into_inner();
/// ```
@ -349,7 +347,7 @@ index 247d45c..f13522d 100644
pub fn into_inner(self) -> T { self.inner }
/// Gets a reference to the underlying value in this cursor.
@@ -128,7 +126,6 @@ impl<T> Cursor<T> {
@@ -128,7 +125,6 @@ impl<T> Cursor<T> {
///
/// let reference = buff.get_ref();
/// ```
@ -357,7 +355,7 @@ index 247d45c..f13522d 100644
pub fn get_ref(&self) -> &T { &self.inner }
/// Gets a mutable reference to the underlying value in this cursor.
@@ -147,7 +144,6 @@ impl<T> Cursor<T> {
@@ -147,7 +143,6 @@ impl<T> Cursor<T> {
///
/// let reference = buff.get_mut();
/// ```
@ -365,7 +363,7 @@ index 247d45c..f13522d 100644
pub fn get_mut(&mut self) -> &mut T { &mut self.inner }
/// Returns the current position of this cursor.
@@ -169,7 +165,6 @@ impl<T> Cursor<T> {
@@ -169,7 +164,6 @@ impl<T> Cursor<T> {
/// buff.seek(SeekFrom::Current(-1)).unwrap();
/// assert_eq!(buff.position(), 1);
/// ```
@ -373,7 +371,7 @@ index 247d45c..f13522d 100644
pub fn position(&self) -> u64 { self.pos }
/// Sets the position of this cursor.
@@ -189,11 +184,9 @@ impl<T> Cursor<T> {
@@ -189,11 +183,9 @@ impl<T> Cursor<T> {
/// buff.set_position(4);
/// assert_eq!(buff.position(), 4);
/// ```
@ -385,7 +383,7 @@ index 247d45c..f13522d 100644
impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
fn seek(&mut self, style: SeekFrom) -> io::Result<u64> {
let (base_pos, offset) = match style {
@@ -222,14 +215,14 @@ impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
@@ -222,10 +214,9 @@ impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
}
}
@ -397,12 +395,7 @@ index 247d45c..f13522d 100644
self.pos += n as u64;
Ok(n)
}
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nread = 0;
for buf in bufs {
@@ -244,7 +237,7 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
@@ -244,7 +235,7 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
fn read_exact(&mut self, buf: &mut [u8]) -> io::Result<()> {
let n = buf.len();
@ -411,7 +404,7 @@ index 247d45c..f13522d 100644
self.pos += n as u64;
Ok(())
}
@@ -255,12 +248,16 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
@@ -255,12 +246,16 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
}
}
@ -431,15 +424,7 @@ index 247d45c..f13522d 100644
fn consume(&mut self, amt: usize) { self.pos += amt as u64; }
}
@@ -272,6 +269,7 @@ fn slice_write(pos_mut: &mut u64, slice: &mut [u8], buf: &[u8]) -> io::Result<us
Ok(amt)
}
+#[cfg(feature="collections")]
fn slice_write_vectored(
pos_mut: &mut u64,
slice: &mut [u8],
@@ -290,6 +288,7 @@ fn slice_write_vectored(
@@ -290,6 +285,7 @@ fn slice_write_vectored(
}
// Resizing write implementation
@ -447,7 +432,7 @@ index 247d45c..f13522d 100644
fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usize> {
let pos: usize = (*pos_mut).try_into().map_err(|_| {
Error::new(ErrorKind::InvalidInput,
@@ -316,6 +315,7 @@ fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usi
@@ -316,6 +312,7 @@ fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usi
Ok(buf.len())
}
@ -455,7 +440,7 @@ index 247d45c..f13522d 100644
fn vec_write_vectored(
pos_mut: &mut u64,
vec: &mut Vec<u8>,
@@ -329,13 +329,13 @@ fn vec_write_vectored(
@@ -329,7 +326,6 @@ fn vec_write_vectored(
Ok(nwritten)
}
@ -463,14 +448,7 @@ index 247d45c..f13522d 100644
impl Write for Cursor<&mut [u8]> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
slice_write(&mut self.pos, self.inner, buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
slice_write_vectored(&mut self.pos, self.inner, bufs)
@@ -344,12 +344,13 @@ impl Write for Cursor<&mut [u8]> {
@@ -344,7 +340,7 @@ impl Write for Cursor<&mut [u8]> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -479,13 +457,7 @@ index 247d45c..f13522d 100644
impl Write for Cursor<&mut Vec<u8>> {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
vec_write(&mut self.pos, self.inner, buf)
}
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
vec_write_vectored(&mut self.pos, self.inner, bufs)
}
@@ -357,12 +358,13 @@ impl Write for Cursor<&mut Vec<u8>> {
@@ -357,7 +353,7 @@ impl Write for Cursor<&mut Vec<u8>> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -494,13 +466,7 @@ index 247d45c..f13522d 100644
impl Write for Cursor<Vec<u8>> {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
vec_write(&mut self.pos, &mut self.inner, buf)
}
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
vec_write_vectored(&mut self.pos, &mut self.inner, bufs)
}
@@ -370,13 +372,14 @@ impl Write for Cursor<Vec<u8>> {
@@ -370,8 +366,8 @@ impl Write for Cursor<Vec<u8>> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -511,12 +477,6 @@ index 247d45c..f13522d 100644
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
slice_write(&mut self.pos, &mut self.inner, buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
slice_write_vectored(&mut self.pos, &mut self.inner, bufs)
diff --git a/error.rs b/error.rs
index 614b791..e4ce8b5 100644
--- a/error.rs
@ -844,7 +804,7 @@ diff --git a/impls.rs b/impls.rs
index b286e40..7472d9c 100644
--- a/impls.rs
+++ b/impls.rs
@@ -1,19 +1,22 @@
@@ -1,13 +1,15 @@
-use crate::cmp;
-use crate::io::{self, SeekFrom, Read, Initializer, Write, Seek, BufRead, Error, ErrorKind, IoVecMut,
- IoVec};
@ -852,8 +812,8 @@ index b286e40..7472d9c 100644
-use crate::mem;
+#[cfg(feature="alloc")] use alloc::boxed::Box;
+use core::cmp;
+use crate::io::{self, SeekFrom, Read, Initializer, Write, Seek, Error, ErrorKind};
+#[cfg(feature="collections")] use crate::io::{BufRead, IoVecMut, IoVec};
+use crate::io::{self, SeekFrom, Read, Initializer, Write, Seek, Error, ErrorKind, IoVecMut, IoVec};
+#[cfg(feature="collections")] use crate::io::BufRead;
+use core::fmt;
+use core::mem;
+#[cfg(feature="collections")] use collections::string::String;
@ -866,14 +826,7 @@ index b286e40..7472d9c 100644
impl<R: Read + ?Sized> Read for &mut R {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
(**self).read(buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
(**self).read_vectored(bufs)
@@ -24,11 +27,13 @@ impl<R: Read + ?Sized> Read for &mut R {
@@ -24,11 +26,13 @@ impl<R: Read + ?Sized> Read for &mut R {
(**self).initializer()
}
@ -887,7 +840,7 @@ index b286e40..7472d9c 100644
#[inline]
fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> {
(**self).read_to_string(buf)
@@ -39,11 +44,11 @@ impl<R: Read + ?Sized> Read for &mut R {
@@ -39,7 +43,6 @@ impl<R: Read + ?Sized> Read for &mut R {
(**self).read_exact(buf)
}
}
@ -895,12 +848,7 @@ index b286e40..7472d9c 100644
impl<W: Write + ?Sized> Write for &mut W {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { (**self).write(buf) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
(**self).write_vectored(bufs)
@@ -62,12 +67,11 @@ impl<W: Write + ?Sized> Write for &mut W {
@@ -62,12 +65,11 @@ impl<W: Write + ?Sized> Write for &mut W {
(**self).write_fmt(fmt)
}
}
@ -914,7 +862,7 @@ index b286e40..7472d9c 100644
impl<B: BufRead + ?Sized> BufRead for &mut B {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { (**self).fill_buf() }
@@ -86,13 +90,14 @@ impl<B: BufRead + ?Sized> BufRead for &mut B {
@@ -86,7 +88,7 @@ impl<B: BufRead + ?Sized> BufRead for &mut B {
}
}
@ -923,14 +871,7 @@ index b286e40..7472d9c 100644
impl<R: Read + ?Sized> Read for Box<R> {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
(**self).read(buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
(**self).read_vectored(bufs)
@@ -103,11 +108,13 @@ impl<R: Read + ?Sized> Read for Box<R> {
@@ -103,11 +105,13 @@ impl<R: Read + ?Sized> Read for Box<R> {
(**self).initializer()
}
@ -944,7 +885,7 @@ index b286e40..7472d9c 100644
#[inline]
fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> {
(**self).read_to_string(buf)
@@ -118,11 +125,12 @@ impl<R: Read + ?Sized> Read for Box<R> {
@@ -118,7 +122,7 @@ impl<R: Read + ?Sized> Read for Box<R> {
(**self).read_exact(buf)
}
}
@ -953,12 +894,7 @@ index b286e40..7472d9c 100644
impl<W: Write + ?Sized> Write for Box<W> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { (**self).write(buf) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
(**self).write_vectored(bufs)
@@ -141,12 +149,12 @@ impl<W: Write + ?Sized> Write for Box<W> {
@@ -141,12 +145,12 @@ impl<W: Write + ?Sized> Write for Box<W> {
(**self).write_fmt(fmt)
}
}
@ -973,7 +909,7 @@ index b286e40..7472d9c 100644
impl<B: BufRead + ?Sized> BufRead for Box<B> {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { (**self).fill_buf() }
@@ -186,7 +194,6 @@ impl Write for Box<dyn (::realstd::io::Write) + Send> {
@@ -186,7 +190,6 @@ impl Write for Box<dyn (::realstd::io::Write) + Send> {
///
/// Note that reading updates the slice to point to the yet unread part.
/// The slice will be empty when EOF is reached.
@ -981,15 +917,7 @@ index b286e40..7472d9c 100644
impl Read for &[u8] {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
@@ -206,6 +213,7 @@ impl Read for &[u8] {
Ok(amt)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nread = 0;
@@ -245,6 +253,7 @@ impl Read for &[u8] {
@@ -245,6 +248,7 @@ impl Read for &[u8] {
Ok(())
}
@ -997,7 +925,7 @@ index b286e40..7472d9c 100644
#[inline]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> io::Result<usize> {
buf.extend_from_slice(*self);
@@ -254,7 +263,7 @@ impl Read for &[u8] {
@@ -254,7 +258,7 @@ impl Read for &[u8] {
}
}
@ -1006,7 +934,7 @@ index b286e40..7472d9c 100644
impl BufRead for &[u8] {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { Ok(*self) }
@@ -268,7 +277,6 @@ impl BufRead for &[u8] {
@@ -268,7 +272,6 @@ impl BufRead for &[u8] {
///
/// Note that writing updates the slice to point to the yet unwritten part.
/// The slice will be empty when it has been completely overwritten.
@ -1014,15 +942,7 @@ index b286e40..7472d9c 100644
impl Write for &mut [u8] {
#[inline]
fn write(&mut self, data: &[u8]) -> io::Result<usize> {
@@ -279,6 +287,7 @@ impl Write for &mut [u8] {
Ok(amt)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let mut nwritten = 0;
@@ -307,7 +316,7 @@ impl Write for &mut [u8] {
@@ -307,7 +310,7 @@ impl Write for &mut [u8] {
/// Write is implemented for `Vec<u8>` by appending to the vector.
/// The vector will grow as needed.
@ -1031,14 +951,6 @@ index b286e40..7472d9c 100644
impl Write for Vec<u8> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
@@ -315,6 +324,7 @@ impl Write for Vec<u8> {
Ok(buf.len())
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let len = bufs.iter().map(|b| b.len()).sum();
diff --git a/mod.rs b/mod.rs
index 14c850b..eaa3481 100644
--- a/mod.rs
@ -1072,9 +984,9 @@ index 14c850b..eaa3481 100644
+mod memchr;
+#[cfg(all(feature="collections",core_memchr))]
+use core::slice::memchr;
+#[cfg(feature="collections")] use core::ops::{Deref, DerefMut};
+use core::ptr;
+use core::slice;
+use core::ops::{Deref, DerefMut};
+use core::ptr;
+
+#[cfg(feature="collections")] pub use self::buffered::{BufReader, BufWriter, LineWriter};
+#[cfg(feature="collections")] pub use self::buffered::IntoInnerError;
@ -1134,23 +1046,7 @@ index 14c850b..eaa3481 100644
fn read_to_end_with_reservation<R: Read + ?Sized>(r: &mut R,
buf: &mut Vec<u8>,
reservation_size: usize) -> Result<usize>
@@ -390,6 +381,7 @@ fn read_to_end_with_reservation<R: Read + ?Sized>(r: &mut R,
ret
}
+#[cfg(feature="collections")]
pub(crate) fn default_read_vectored<F>(read: F, bufs: &mut [IoVecMut<'_>]) -> Result<usize>
where
F: FnOnce(&mut [u8]) -> Result<usize>
@@ -401,6 +393,7 @@ where
read(buf)
}
+#[cfg(feature="collections")]
pub(crate) fn default_write_vectored<F>(write: F, bufs: &[IoVec<'_>]) -> Result<usize>
where
F: FnOnce(&[u8]) -> Result<usize>
@@ -484,7 +477,6 @@ where
@@ -484,7 +475,6 @@ where
/// [`BufReader`]: struct.BufReader.html
/// [`&str`]: ../../std/primitive.str.html
/// [slice]: ../../std/primitive.slice.html
@ -1158,7 +1054,7 @@ index 14c850b..eaa3481 100644
#[doc(spotlight)]
pub trait Read {
/// Pull some bytes from this source into the specified buffer, returning
@@ -541,7 +533,6 @@ pub trait Read {
@@ -541,7 +531,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1166,16 +1062,15 @@ index 14c850b..eaa3481 100644
fn read(&mut self, buf: &mut [u8]) -> Result<usize>;
/// Like `read`, except that it reads into a slice of buffers.
@@ -552,7 +543,7 @@ pub trait Read {
@@ -552,7 +541,6 @@ pub trait Read {
///
/// The default implementation calls `read` with either the first nonempty
/// buffer provided, or an empty one if none exists.
- #[unstable(feature = "iovec", issue = "58452")]
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> Result<usize> {
default_read_vectored(|b| self.read(b), bufs)
}
@@ -579,7 +570,6 @@ pub trait Read {
@@ -579,7 +567,6 @@ pub trait Read {
///
/// [`Initializer::nop()`]: ../../std/io/struct.Initializer.html#method.nop
/// [`Initializer`]: ../../std/io/struct.Initializer.html
@ -1183,7 +1078,7 @@ index 14c850b..eaa3481 100644
#[inline]
unsafe fn initializer(&self) -> Initializer {
Initializer::zeroing()
@@ -632,7 +622,7 @@ pub trait Read {
@@ -632,7 +619,7 @@ pub trait Read {
/// file.)
///
/// [`std::fs::read`]: ../fs/fn.read.html
@ -1192,7 +1087,7 @@ index 14c850b..eaa3481 100644
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
read_to_end(self, buf)
}
@@ -675,7 +665,7 @@ pub trait Read {
@@ -675,7 +662,7 @@ pub trait Read {
/// reading from a file.)
///
/// [`std::fs::read_to_string`]: ../fs/fn.read_to_string.html
@ -1201,7 +1096,7 @@ index 14c850b..eaa3481 100644
fn read_to_string(&mut self, buf: &mut String) -> Result<usize> {
// Note that we do *not* call `.read_to_end()` here. We are passing
// `&mut Vec<u8>` (the raw contents of `buf`) into the `read_to_end`
@@ -738,7 +728,6 @@ pub trait Read {
@@ -738,7 +725,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1209,7 +1104,7 @@ index 14c850b..eaa3481 100644
fn read_exact(&mut self, mut buf: &mut [u8]) -> Result<()> {
while !buf.is_empty() {
match self.read(buf) {
@@ -790,7 +779,6 @@ pub trait Read {
@@ -790,7 +776,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1217,7 +1112,7 @@ index 14c850b..eaa3481 100644
fn by_ref(&mut self) -> &mut Self where Self: Sized { self }
/// Transforms this `Read` instance to an [`Iterator`] over its bytes.
@@ -827,7 +815,6 @@ pub trait Read {
@@ -827,7 +812,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1225,7 +1120,7 @@ index 14c850b..eaa3481 100644
fn bytes(self) -> Bytes<Self> where Self: Sized {
Bytes { inner: self }
}
@@ -862,7 +849,6 @@ pub trait Read {
@@ -862,7 +846,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1233,7 +1128,7 @@ index 14c850b..eaa3481 100644
fn chain<R: Read>(self, next: R) -> Chain<Self, R> where Self: Sized {
Chain { first: self, second: next, done_first: false }
}
@@ -898,42 +884,77 @@ pub trait Read {
@@ -898,22 +881,52 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1243,10 +1138,8 @@ index 14c850b..eaa3481 100644
}
}
+#[cfg(feature="collections")]
+pub struct IoVecBuffer<'a>(&'a [u8]);
+
+#[cfg(feature="collections")]
+impl<'a> IoVecBuffer<'a> {
+ #[inline]
+ pub fn new(buf: &'a [u8]) -> IoVecBuffer<'a> {
@ -1258,10 +1151,9 @@ index 14c850b..eaa3481 100644
+ self.0
+ }
+}
+#[cfg(feature="collections")]
+
+pub struct IoVecMutBuffer<'a>(&'a mut [u8]);
+
+#[cfg(feature="collections")]
+impl<'a> IoVecMutBuffer<'a> {
+ #[inline]
+ pub fn new(buf: &'a mut [u8]) -> IoVecMutBuffer<'a> {
@ -1285,23 +1177,15 @@ index 14c850b..eaa3481 100644
/// ABI compatible with the `iovec` type on Unix platforms and `WSABUF` on
/// Windows.
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
#[repr(transparent)]
-pub struct IoVecMut<'a>(sys::io::IoVecMut<'a>);
+pub struct IoVecMut<'a>(IoVecMutBuffer<'a>);
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> fmt::Debug for IoVecMut<'a> {
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
fmt::Debug::fmt(self.0.as_slice(), fmt)
}
}
+#[cfg(feature="collections")]
impl<'a> IoVecMut<'a> {
/// Creates a new `IoVecMut` wrapping a byte slice.
///
@@ -926,14 +939,12 @@ impl<'a> IoVecMut<'a> {
/// # Panics
///
/// Panics on Windows if the slice is larger than 4GB.
@ -1314,41 +1198,31 @@ index 14c850b..eaa3481 100644
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> Deref for IoVecMut<'a> {
type Target = [u8];
@@ -943,7 +964,7 @@ impl<'a> Deref for IoVecMut<'a> {
@@ -943,7 +954,6 @@ impl<'a> Deref for IoVecMut<'a> {
}
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> DerefMut for IoVecMut<'a> {
#[inline]
fn deref_mut(&mut self) -> &mut [u8] {
@@ -956,31 +977,31 @@ impl<'a> DerefMut for IoVecMut<'a> {
@@ -956,11 +966,9 @@ impl<'a> DerefMut for IoVecMut<'a> {
/// It is semantically a wrapper around an `&[u8]`, but is guaranteed to be
/// ABI compatible with the `iovec` type on Unix platforms and `WSABUF` on
/// Windows.
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
#[repr(transparent)]
-pub struct IoVec<'a>(sys::io::IoVec<'a>);
+pub struct IoVec<'a>(IoVecBuffer<'a>);
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> fmt::Debug for IoVec<'a> {
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
fmt::Debug::fmt(self.0.as_slice(), fmt)
}
}
+#[cfg(feature="collections")]
impl<'a> IoVec<'a> {
/// Creates a new `IoVec` wrapping a byte slice.
///
@@ -973,14 +981,12 @@ impl<'a> IoVec<'a> {
/// # Panics
///
/// Panics on Windows if the slice is larger than 4GB.
@ -1361,11 +1235,10 @@ index 14c850b..eaa3481 100644
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> Deref for IoVec<'a> {
type Target = [u8];
@@ -991,13 +1012,11 @@ impl<'a> Deref for IoVec<'a> {
@@ -991,13 +997,11 @@ impl<'a> Deref for IoVec<'a> {
}
/// A type used to conditionally initialize buffers passed to `Read` methods.
@ -1379,7 +1252,7 @@ index 14c850b..eaa3481 100644
#[inline]
pub fn zeroing() -> Initializer {
Initializer(true)
@@ -1011,21 +1030,18 @@ impl Initializer {
@@ -1011,21 +1015,18 @@ impl Initializer {
/// read from buffers passed to `Read` methods, and that the return value of
/// the method accurately reflects the number of bytes that have been
/// written to the head of the buffer.
@ -1401,7 +1274,7 @@ index 14c850b..eaa3481 100644
#[inline]
pub fn initialize(&self, buf: &mut [u8]) {
if self.should_initialize() {
@@ -1068,7 +1084,6 @@ impl Initializer {
@@ -1068,7 +1069,6 @@ impl Initializer {
/// Ok(())
/// }
/// ```
@ -1409,7 +1282,7 @@ index 14c850b..eaa3481 100644
#[doc(spotlight)]
pub trait Write {
/// Write a buffer into this writer, returning how many bytes were written.
@@ -1117,7 +1132,6 @@ pub trait Write {
@@ -1117,7 +1117,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1417,16 +1290,15 @@ index 14c850b..eaa3481 100644
fn write(&mut self, buf: &[u8]) -> Result<usize>;
/// Like `write`, except that it writes from a slice of buffers.
@@ -1128,7 +1142,7 @@ pub trait Write {
@@ -1128,7 +1127,6 @@ pub trait Write {
///
/// The default implementation calls `write` with either the first nonempty
/// buffer provided, or an empty one if none exists.
- #[unstable(feature = "iovec", issue = "58452")]
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> Result<usize> {
default_write_vectored(|b| self.write(b), bufs)
}
@@ -1156,7 +1170,6 @@ pub trait Write {
@@ -1156,7 +1154,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1434,7 +1306,7 @@ index 14c850b..eaa3481 100644
fn flush(&mut self) -> Result<()>;
/// Attempts to write an entire buffer into this writer.
@@ -1189,7 +1202,6 @@ pub trait Write {
@@ -1189,7 +1186,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1442,7 +1314,7 @@ index 14c850b..eaa3481 100644
fn write_all(&mut self, mut buf: &[u8]) -> Result<()> {
while !buf.is_empty() {
match self.write(buf) {
@@ -1241,7 +1253,6 @@ pub trait Write {
@@ -1241,7 +1237,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1450,7 +1322,7 @@ index 14c850b..eaa3481 100644
fn write_fmt(&mut self, fmt: fmt::Arguments) -> Result<()> {
// Create a shim which translates a Write to a fmt::Write and saves
// off I/O errors. instead of discarding them
@@ -1297,7 +1308,6 @@ pub trait Write {
@@ -1297,7 +1292,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1458,7 +1330,7 @@ index 14c850b..eaa3481 100644
fn by_ref(&mut self) -> &mut Self where Self: Sized { self }
}
@@ -1327,7 +1337,6 @@ pub trait Write {
@@ -1327,7 +1321,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1466,7 +1338,7 @@ index 14c850b..eaa3481 100644
pub trait Seek {
/// Seek to an offset, in bytes, in a stream.
///
@@ -1343,7 +1352,6 @@ pub trait Seek {
@@ -1343,7 +1336,6 @@ pub trait Seek {
/// Seeking to a negative offset is considered an error.
///
/// [`SeekFrom::Start`]: enum.SeekFrom.html#variant.Start
@ -1474,7 +1346,7 @@ index 14c850b..eaa3481 100644
fn seek(&mut self, pos: SeekFrom) -> Result<u64>;
/// Returns the length of this stream (in bytes).
@@ -1381,7 +1389,6 @@ pub trait Seek {
@@ -1381,7 +1373,6 @@ pub trait Seek {
/// Ok(())
/// }
/// ```
@ -1482,7 +1354,7 @@ index 14c850b..eaa3481 100644
fn stream_len(&mut self) -> Result<u64> {
let old_pos = self.stream_position()?;
let len = self.seek(SeekFrom::End(0))?;
@@ -1420,7 +1427,6 @@ pub trait Seek {
@@ -1420,7 +1411,6 @@ pub trait Seek {
/// Ok(())
/// }
/// ```
@ -1490,7 +1362,7 @@ index 14c850b..eaa3481 100644
fn stream_position(&mut self) -> Result<u64> {
self.seek(SeekFrom::Current(0))
}
@@ -1432,29 +1438,26 @@ pub trait Seek {
@@ -1432,29 +1422,26 @@ pub trait Seek {
///
/// [`Seek`]: trait.Seek.html
#[derive(Copy, PartialEq, Eq, Clone, Debug)]
@ -1524,7 +1396,7 @@ index 14c850b..eaa3481 100644
fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
-> Result<usize> {
let mut read = 0;
@@ -1534,7 +1537,7 @@ fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
@@ -1534,7 +1521,7 @@ fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
/// }
/// ```
///
@ -1533,7 +1405,7 @@ index 14c850b..eaa3481 100644
pub trait BufRead: Read {
/// Returns the contents of the internal buffer, filling it with more data
/// from the inner reader if it is empty.
@@ -1580,7 +1583,6 @@ pub trait BufRead: Read {
@@ -1580,7 +1567,6 @@ pub trait BufRead: Read {
/// // ensure the bytes we worked with aren't returned again later
/// stdin.consume(length);
/// ```
@ -1541,7 +1413,7 @@ index 14c850b..eaa3481 100644
fn fill_buf(&mut self) -> Result<&[u8]>;
/// Tells this buffer that `amt` bytes have been consumed from the buffer,
@@ -1602,7 +1604,6 @@ pub trait BufRead: Read {
@@ -1602,7 +1588,6 @@ pub trait BufRead: Read {
/// that method's example includes an example of `consume()`.
///
/// [`fill_buf`]: #tymethod.fill_buf
@ -1549,7 +1421,7 @@ index 14c850b..eaa3481 100644
fn consume(&mut self, amt: usize);
/// Read all bytes into `buf` until the delimiter `byte` or EOF is reached.
@@ -1658,7 +1659,6 @@ pub trait BufRead: Read {
@@ -1658,7 +1643,6 @@ pub trait BufRead: Read {
/// assert_eq!(num_bytes, 0);
/// assert_eq!(buf, b"");
/// ```
@ -1557,7 +1429,7 @@ index 14c850b..eaa3481 100644
fn read_until(&mut self, byte: u8, buf: &mut Vec<u8>) -> Result<usize> {
read_until(self, byte, buf)
}
@@ -1717,7 +1717,6 @@ pub trait BufRead: Read {
@@ -1717,7 +1701,6 @@ pub trait BufRead: Read {
/// assert_eq!(num_bytes, 0);
/// assert_eq!(buf, "");
/// ```
@ -1565,7 +1437,7 @@ index 14c850b..eaa3481 100644
fn read_line(&mut self, buf: &mut String) -> Result<usize> {
// Note that we are not calling the `.read_until` method here, but
// rather our hardcoded implementation. For more details as to why, see
@@ -1758,7 +1757,6 @@ pub trait BufRead: Read {
@@ -1758,7 +1741,6 @@ pub trait BufRead: Read {
/// assert_eq!(split_iter.next(), Some(b"dolor".to_vec()));
/// assert_eq!(split_iter.next(), None);
/// ```
@ -1573,7 +1445,7 @@ index 14c850b..eaa3481 100644
fn split(self, byte: u8) -> Split<Self> where Self: Sized {
Split { buf: self, delim: byte }
}
@@ -1797,7 +1795,6 @@ pub trait BufRead: Read {
@@ -1797,7 +1779,6 @@ pub trait BufRead: Read {
/// Each line of the iterator has the same error semantics as [`BufRead::read_line`].
///
/// [`BufRead::read_line`]: trait.BufRead.html#method.read_line
@ -1581,7 +1453,7 @@ index 14c850b..eaa3481 100644
fn lines(self) -> Lines<Self> where Self: Sized {
Lines { buf: self }
}
@@ -1809,7 +1806,6 @@ pub trait BufRead: Read {
@@ -1809,7 +1790,6 @@ pub trait BufRead: Read {
/// Please see the documentation of [`chain`] for more details.
///
/// [`chain`]: trait.Read.html#method.chain
@ -1589,7 +1461,7 @@ index 14c850b..eaa3481 100644
pub struct Chain<T, U> {
first: T,
second: U,
@@ -1835,7 +1831,6 @@ impl<T, U> Chain<T, U> {
@@ -1835,7 +1815,6 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1597,7 +1469,7 @@ index 14c850b..eaa3481 100644
pub fn into_inner(self) -> (T, U) {
(self.first, self.second)
}
@@ -1858,7 +1853,6 @@ impl<T, U> Chain<T, U> {
@@ -1858,7 +1837,6 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1605,7 +1477,7 @@ index 14c850b..eaa3481 100644
pub fn get_ref(&self) -> (&T, &U) {
(&self.first, &self.second)
}
@@ -1885,13 +1879,11 @@ impl<T, U> Chain<T, U> {
@@ -1885,13 +1863,11 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1619,7 +1491,7 @@ index 14c850b..eaa3481 100644
impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_struct("Chain")
@@ -1901,7 +1893,6 @@ impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
@@ -1901,7 +1877,6 @@ impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
}
}
@ -1627,15 +1499,7 @@ index 14c850b..eaa3481 100644
impl<T: Read, U: Read> Read for Chain<T, U> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
if !self.done_first {
@@ -1913,6 +1904,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
self.second.read(buf)
}
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> Result<usize> {
if !self.done_first {
match self.first.read_vectored(bufs)? {
@@ -1933,7 +1925,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
@@ -1933,7 +1908,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
}
}
@ -1644,7 +1508,7 @@ index 14c850b..eaa3481 100644
impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
fn fill_buf(&mut self) -> Result<&[u8]> {
if !self.done_first {
@@ -1960,7 +1952,6 @@ impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
@@ -1960,7 +1935,6 @@ impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
/// Please see the documentation of [`take`] for more details.
///
/// [`take`]: trait.Read.html#method.take
@ -1652,7 +1516,7 @@ index 14c850b..eaa3481 100644
#[derive(Debug)]
pub struct Take<T> {
inner: T,
@@ -1995,7 +1986,6 @@ impl<T> Take<T> {
@@ -1995,7 +1969,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1660,7 +1524,7 @@ index 14c850b..eaa3481 100644
pub fn limit(&self) -> u64 { self.limit }
/// Sets the number of bytes that can be read before this instance will
@@ -2021,7 +2011,6 @@ impl<T> Take<T> {
@@ -2021,7 +1994,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1668,7 +1532,7 @@ index 14c850b..eaa3481 100644
pub fn set_limit(&mut self, limit: u64) {
self.limit = limit;
}
@@ -2046,7 +2035,6 @@ impl<T> Take<T> {
@@ -2046,7 +2018,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1676,7 +1540,7 @@ index 14c850b..eaa3481 100644
pub fn into_inner(self) -> T {
self.inner
}
@@ -2071,7 +2059,6 @@ impl<T> Take<T> {
@@ -2071,7 +2042,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1684,7 +1548,7 @@ index 14c850b..eaa3481 100644
pub fn get_ref(&self) -> &T {
&self.inner
}
@@ -2100,13 +2087,11 @@ impl<T> Take<T> {
@@ -2100,13 +2070,11 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1698,16 +1562,16 @@ index 14c850b..eaa3481 100644
impl<T: Read> Read for Take<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
// Don't call into inner reader at all at EOF because it may still block
@@ -2123,15 +2108,9 @@ impl<T: Read> Read for Take<T> {
unsafe fn initializer(&self) -> Initializer {
@@ -2124,6 +2092,7 @@ impl<T: Read> Read for Take<T> {
self.inner.initializer()
}
-
- fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
- let reservation_size = cmp::min(self.limit, 32) as usize;
-
- read_to_end_with_reservation(self, buf, reservation_size)
- }
+ #[cfg(feature="collections")]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
let reservation_size = cmp::min(self.limit, 32) as usize;
@@ -2131,7 +2100,7 @@ impl<T: Read> Read for Take<T> {
}
}
-#[stable(feature = "rust1", since = "1.0.0")]
@ -1715,7 +1579,7 @@ index 14c850b..eaa3481 100644
impl<T: BufRead> BufRead for Take<T> {
fn fill_buf(&mut self) -> Result<&[u8]> {
// Don't call into inner reader at all at EOF because it may still block
@@ -2158,13 +2137,11 @@ impl<T: BufRead> BufRead for Take<T> {
@@ -2158,13 +2127,11 @@ impl<T: BufRead> BufRead for Take<T> {
/// Please see the documentation of [`bytes`] for more details.
///
/// [`bytes`]: trait.Read.html#method.bytes
@ -1729,7 +1593,7 @@ index 14c850b..eaa3481 100644
impl<R: Read> Iterator for Bytes<R> {
type Item = Result<u8>;
@@ -2188,14 +2165,14 @@ impl<R: Read> Iterator for Bytes<R> {
@@ -2188,14 +2155,14 @@ impl<R: Read> Iterator for Bytes<R> {
/// `BufRead`. Please see the documentation of `split()` for more details.
///
/// [split]: trait.BufRead.html#method.split
@ -1746,7 +1610,7 @@ index 14c850b..eaa3481 100644
impl<B: BufRead> Iterator for Split<B> {
type Item = Result<Vec<u8>>;
@@ -2220,13 +2197,13 @@ impl<B: BufRead> Iterator for Split<B> {
@@ -2220,13 +2187,13 @@ impl<B: BufRead> Iterator for Split<B> {
/// `BufRead`. Please see the documentation of `lines()` for more details.
///
/// [lines]: trait.BufRead.html#method.lines
@ -1789,8 +1653,8 @@ index 6aaf8f1..447ce47 100644
-use crate::io::{self, Read, Initializer, Write, ErrorKind, BufRead, IoVec, IoVecMut};
-use crate::mem;
+use core::fmt;
+use crate::io::{self, Read, Initializer, Write, ErrorKind};
+#[cfg(feature="collections")] use crate::io::{BufRead, IoVec, IoVecMut};
+use crate::io::{self, Read, Initializer, Write, ErrorKind, IoVec, IoVecMut};
+#[cfg(feature="collections")] use crate::io::BufRead;
+use core::mem;
/// Copies the entire contents of a reader into a writer.
@ -1859,15 +1723,7 @@ index 6aaf8f1..447ce47 100644
impl Read for Repeat {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
@@ -152,6 +146,7 @@ impl Read for Repeat {
Ok(buf.len())
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nwritten = 0;
@@ -167,7 +162,6 @@ impl Read for Repeat {
@@ -167,7 +161,6 @@ impl Read for Repeat {
}
}
@ -1875,7 +1731,7 @@ index 6aaf8f1..447ce47 100644
impl fmt::Debug for Repeat {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.pad("Repeat { .. }")
@@ -180,7 +174,6 @@ impl fmt::Debug for Repeat {
@@ -180,7 +173,6 @@ impl fmt::Debug for Repeat {
/// see the documentation of `sink()` for more details.
///
/// [sink]: fn.sink.html
@ -1883,7 +1739,7 @@ index 6aaf8f1..447ce47 100644
pub struct Sink { _priv: () }
/// Creates an instance of a writer which will successfully consume all data.
@@ -197,14 +190,13 @@ pub struct Sink { _priv: () }
@@ -197,10 +189,8 @@ pub struct Sink { _priv: () }
/// let num_bytes = io::sink().write(&buffer).unwrap();
/// assert_eq!(num_bytes, 5);
/// ```
@ -1894,12 +1750,7 @@ index 6aaf8f1..447ce47 100644
impl Write for Sink {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { Ok(buf.len()) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let total_len = bufs.iter().map(|b| b.len()).sum();
@@ -215,7 +207,6 @@ impl Write for Sink {
@@ -215,7 +205,6 @@ impl Write for Sink {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}

331
patches/93b6d9e086c6910118a57e4332c9448ab550931f.patch
View File

@ -15,7 +15,7 @@ index 559a54d..bd888d2 100644
+use core::fmt;
use crate::io::{self, Initializer, DEFAULT_BUF_SIZE, Error, ErrorKind, SeekFrom, IoVec, IoVecMut};
-use crate::memchr;
+use io::memchr;
+use crate::io::memchr;
/// The `BufReader` struct adds buffering to any reader.
///
@ -311,21 +311,19 @@ diff --git a/cursor.rs b/cursor.rs
index 873da08..3d39e57 100644
--- a/cursor.rs
+++ b/cursor.rs
@@ -1,9 +1,10 @@
@@ -1,9 +1,9 @@
use crate::io::prelude::*;
-use crate::cmp;
-use crate::io::{self, Initializer, SeekFrom, Error, ErrorKind, IoVec, IoVecMut};
+use core::cmp;
+use crate::io::{self, Initializer, SeekFrom, Error, ErrorKind};
+#[cfg(feature="collections")] use crate::io::{IoVec, IoVecMut};
use crate::io::{self, Initializer, SeekFrom, Error, ErrorKind, IoVec, IoVecMut};
-use core::convert::TryInto;
+#[cfg(feature="collections")] use core::convert::TryInto;
/// A `Cursor` wraps an in-memory buffer and provides it with a
/// [`Seek`] implementation.
@@ -71,7 +72,6 @@ use core::convert::TryInto;
@@ -71,7 +71,6 @@ use core::convert::TryInto;
/// assert_eq!(&buff.get_ref()[5..15], &[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]);
/// }
/// ```
@ -333,7 +331,7 @@ index 873da08..3d39e57 100644
#[derive(Clone, Debug)]
pub struct Cursor<T> {
inner: T,
@@ -94,7 +94,6 @@ impl<T> Cursor<T> {
@@ -94,7 +93,6 @@ impl<T> Cursor<T> {
/// # fn force_inference(_: &Cursor<Vec<u8>>) {}
/// # force_inference(&buff);
/// ```
@ -341,7 +339,7 @@ index 873da08..3d39e57 100644
pub fn new(inner: T) -> Cursor<T> {
Cursor { pos: 0, inner: inner }
}
@@ -112,7 +111,6 @@ impl<T> Cursor<T> {
@@ -112,7 +110,6 @@ impl<T> Cursor<T> {
///
/// let vec = buff.into_inner();
/// ```
@ -349,7 +347,7 @@ index 873da08..3d39e57 100644
pub fn into_inner(self) -> T { self.inner }
/// Gets a reference to the underlying value in this cursor.
@@ -128,7 +126,6 @@ impl<T> Cursor<T> {
@@ -128,7 +125,6 @@ impl<T> Cursor<T> {
///
/// let reference = buff.get_ref();
/// ```
@ -357,7 +355,7 @@ index 873da08..3d39e57 100644
pub fn get_ref(&self) -> &T { &self.inner }
/// Gets a mutable reference to the underlying value in this cursor.
@@ -147,7 +144,6 @@ impl<T> Cursor<T> {
@@ -147,7 +143,6 @@ impl<T> Cursor<T> {
///
/// let reference = buff.get_mut();
/// ```
@ -365,7 +363,7 @@ index 873da08..3d39e57 100644
pub fn get_mut(&mut self) -> &mut T { &mut self.inner }
/// Returns the current position of this cursor.
@@ -169,7 +165,6 @@ impl<T> Cursor<T> {
@@ -169,7 +164,6 @@ impl<T> Cursor<T> {
/// buff.seek(SeekFrom::Current(-1)).unwrap();
/// assert_eq!(buff.position(), 1);
/// ```
@ -373,7 +371,7 @@ index 873da08..3d39e57 100644
pub fn position(&self) -> u64 { self.pos }
/// Sets the position of this cursor.
@@ -189,11 +184,9 @@ impl<T> Cursor<T> {
@@ -189,11 +183,9 @@ impl<T> Cursor<T> {
/// buff.set_position(4);
/// assert_eq!(buff.position(), 4);
/// ```
@ -385,7 +383,7 @@ index 873da08..3d39e57 100644
impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
fn seek(&mut self, style: SeekFrom) -> io::Result<u64> {
let (base_pos, offset) = match style {
@@ -214,14 +207,14 @@ impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
@@ -214,10 +206,9 @@ impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
}
}
@ -397,12 +395,7 @@ index 873da08..3d39e57 100644
self.pos += n as u64;
Ok(n)
}
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nread = 0;
for buf in bufs {
@@ -236,7 +229,7 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
@@ -236,7 +227,7 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
fn read_exact(&mut self, buf: &mut [u8]) -> io::Result<()> {
let n = buf.len();
@ -411,7 +404,7 @@ index 873da08..3d39e57 100644
self.pos += n as u64;
Ok(())
}
@@ -247,12 +240,16 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
@@ -247,12 +238,16 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
}
}
@ -431,15 +424,7 @@ index 873da08..3d39e57 100644
fn consume(&mut self, amt: usize) { self.pos += amt as u64; }
}
@@ -264,6 +261,7 @@ fn slice_write(pos_mut: &mut u64, slice: &mut [u8], buf: &[u8]) -> io::Result<us
Ok(amt)
}
+#[cfg(feature="collections")]
fn slice_write_vectored(
pos_mut: &mut u64,
slice: &mut [u8],
@@ -282,6 +280,7 @@ fn slice_write_vectored(
@@ -282,6 +277,7 @@ fn slice_write_vectored(
}
// Resizing write implementation
@ -447,7 +432,7 @@ index 873da08..3d39e57 100644
fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usize> {
let pos: usize = (*pos_mut).try_into().map_err(|_| {
Error::new(ErrorKind::InvalidInput,
@@ -308,6 +307,7 @@ fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usi
@@ -308,6 +304,7 @@ fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usi
Ok(buf.len())
}
@ -455,7 +440,7 @@ index 873da08..3d39e57 100644
fn vec_write_vectored(
pos_mut: &mut u64,
vec: &mut Vec<u8>,
@@ -321,13 +321,13 @@ fn vec_write_vectored(
@@ -321,7 +318,6 @@ fn vec_write_vectored(
Ok(nwritten)
}
@ -463,14 +448,7 @@ index 873da08..3d39e57 100644
impl Write for Cursor<&mut [u8]> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
slice_write(&mut self.pos, self.inner, buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
slice_write_vectored(&mut self.pos, self.inner, bufs)
@@ -336,12 +336,13 @@ impl Write for Cursor<&mut [u8]> {
@@ -336,7 +332,7 @@ impl Write for Cursor<&mut [u8]> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -479,13 +457,7 @@ index 873da08..3d39e57 100644
impl Write for Cursor<&mut Vec<u8>> {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
vec_write(&mut self.pos, self.inner, buf)
}
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
vec_write_vectored(&mut self.pos, self.inner, bufs)
}
@@ -349,12 +350,13 @@ impl Write for Cursor<&mut Vec<u8>> {
@@ -349,7 +345,7 @@ impl Write for Cursor<&mut Vec<u8>> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -494,13 +466,7 @@ index 873da08..3d39e57 100644
impl Write for Cursor<Vec<u8>> {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
vec_write(&mut self.pos, &mut self.inner, buf)
}
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
vec_write_vectored(&mut self.pos, &mut self.inner, bufs)
}
@@ -362,13 +364,14 @@ impl Write for Cursor<Vec<u8>> {
@@ -362,8 +358,8 @@ impl Write for Cursor<Vec<u8>> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -511,12 +477,6 @@ index 873da08..3d39e57 100644
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
slice_write(&mut self.pos, &mut self.inner, buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
slice_write_vectored(&mut self.pos, &mut self.inner, bufs)
diff --git a/error.rs b/error.rs
index fdc5625..e4ce8b5 100644
--- a/error.rs
@ -836,7 +796,7 @@ diff --git a/impls.rs b/impls.rs
index bd3d0a4..c44cc70 100644
--- a/impls.rs
+++ b/impls.rs
@@ -1,19 +1,22 @@
@@ -1,13 +1,15 @@
-use crate::cmp;
-use crate::io::{self, SeekFrom, Read, Initializer, Write, Seek, BufRead, Error, ErrorKind, IoVecMut,
- IoVec};
@ -844,8 +804,8 @@ index bd3d0a4..c44cc70 100644
-use crate::mem;
+#[cfg(feature="alloc")] use alloc::boxed::Box;
+use core::cmp;
+use crate::io::{self, SeekFrom, Read, Initializer, Write, Seek, Error, ErrorKind};
+#[cfg(feature="collections")] use crate::io::{BufRead, IoVecMut, IoVec};
+use crate::io::{self, SeekFrom, Read, Initializer, Write, Seek, Error, ErrorKind, IoVecMut, IoVec};
+#[cfg(feature="collections")] use crate::io::BufRead;
+use core::fmt;
+use core::mem;
+#[cfg(feature="collections")] use collections::string::String;
@ -858,14 +818,7 @@ index bd3d0a4..c44cc70 100644
impl<R: Read + ?Sized> Read for &mut R {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
(**self).read(buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
(**self).read_vectored(bufs)
@@ -24,11 +27,13 @@ impl<R: Read + ?Sized> Read for &mut R {
@@ -24,11 +26,13 @@ impl<R: Read + ?Sized> Read for &mut R {
(**self).initializer()
}
@ -879,7 +832,7 @@ index bd3d0a4..c44cc70 100644
#[inline]
fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> {
(**self).read_to_string(buf)
@@ -39,11 +44,11 @@ impl<R: Read + ?Sized> Read for &mut R {
@@ -39,7 +43,6 @@ impl<R: Read + ?Sized> Read for &mut R {
(**self).read_exact(buf)
}
}
@ -887,12 +840,7 @@ index bd3d0a4..c44cc70 100644
impl<W: Write + ?Sized> Write for &mut W {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { (**self).write(buf) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
(**self).write_vectored(bufs)
@@ -62,12 +67,11 @@ impl<W: Write + ?Sized> Write for &mut W {
@@ -62,12 +65,11 @@ impl<W: Write + ?Sized> Write for &mut W {
(**self).write_fmt(fmt)
}
}
@ -906,7 +854,7 @@ index bd3d0a4..c44cc70 100644
impl<B: BufRead + ?Sized> BufRead for &mut B {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { (**self).fill_buf() }
@@ -86,13 +90,14 @@ impl<B: BufRead + ?Sized> BufRead for &mut B {
@@ -86,7 +88,7 @@ impl<B: BufRead + ?Sized> BufRead for &mut B {
}
}
@ -915,14 +863,7 @@ index bd3d0a4..c44cc70 100644
impl<R: Read + ?Sized> Read for Box<R> {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
(**self).read(buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
(**self).read_vectored(bufs)
@@ -103,11 +108,13 @@ impl<R: Read + ?Sized> Read for Box<R> {
@@ -103,11 +105,13 @@ impl<R: Read + ?Sized> Read for Box<R> {
(**self).initializer()
}
@ -936,7 +877,7 @@ index bd3d0a4..c44cc70 100644
#[inline]
fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> {
(**self).read_to_string(buf)
@@ -118,11 +125,12 @@ impl<R: Read + ?Sized> Read for Box<R> {
@@ -118,7 +122,7 @@ impl<R: Read + ?Sized> Read for Box<R> {
(**self).read_exact(buf)
}
}
@ -945,12 +886,7 @@ index bd3d0a4..c44cc70 100644
impl<W: Write + ?Sized> Write for Box<W> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { (**self).write(buf) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
(**self).write_vectored(bufs)
@@ -141,12 +149,12 @@ impl<W: Write + ?Sized> Write for Box<W> {
@@ -141,12 +145,12 @@ impl<W: Write + ?Sized> Write for Box<W> {
(**self).write_fmt(fmt)
}
}
@ -965,7 +901,7 @@ index bd3d0a4..c44cc70 100644
impl<B: BufRead + ?Sized> BufRead for Box<B> {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { (**self).fill_buf() }
@@ -172,7 +180,6 @@ impl<B: BufRead + ?Sized> BufRead for Box<B> {
@@ -172,7 +176,6 @@ impl<B: BufRead + ?Sized> BufRead for Box<B> {
///
/// Note that reading updates the slice to point to the yet unread part.
/// The slice will be empty when EOF is reached.
@ -973,15 +909,7 @@ index bd3d0a4..c44cc70 100644
impl Read for &[u8] {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
@@ -192,6 +199,7 @@ impl Read for &[u8] {
Ok(amt)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nread = 0;
@@ -231,6 +239,7 @@ impl Read for &[u8] {
@@ -231,6 +234,7 @@ impl Read for &[u8] {
Ok(())
}
@ -989,7 +917,7 @@ index bd3d0a4..c44cc70 100644
#[inline]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> io::Result<usize> {
buf.extend_from_slice(*self);
@@ -240,7 +249,7 @@ impl Read for &[u8] {
@@ -240,7 +244,7 @@ impl Read for &[u8] {
}
}
@ -998,7 +926,7 @@ index bd3d0a4..c44cc70 100644
impl BufRead for &[u8] {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { Ok(*self) }
@@ -254,7 +263,6 @@ impl BufRead for &[u8] {
@@ -254,7 +258,6 @@ impl BufRead for &[u8] {
///
/// Note that writing updates the slice to point to the yet unwritten part.
/// The slice will be empty when it has been completely overwritten.
@ -1006,15 +934,7 @@ index bd3d0a4..c44cc70 100644
impl Write for &mut [u8] {
#[inline]
fn write(&mut self, data: &[u8]) -> io::Result<usize> {
@@ -265,6 +273,7 @@ impl Write for &mut [u8] {
Ok(amt)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let mut nwritten = 0;
@@ -293,7 +302,7 @@ impl Write for &mut [u8] {
@@ -293,7 +296,7 @@ impl Write for &mut [u8] {
/// Write is implemented for `Vec<u8>` by appending to the vector.
/// The vector will grow as needed.
@ -1023,14 +943,6 @@ index bd3d0a4..c44cc70 100644
impl Write for Vec<u8> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
@@ -301,6 +310,7 @@ impl Write for Vec<u8> {
Ok(buf.len())
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let len = bufs.iter().map(|b| b.len()).sum();
diff --git a/mod.rs b/mod.rs
index e3e2754..400eca6 100644
--- a/mod.rs
@ -1064,9 +976,9 @@ index e3e2754..400eca6 100644
+mod memchr;
+#[cfg(all(feature="collections",core_memchr))]
+use core::slice::memchr;
+#[cfg(feature="collections")] use core::ops::{Deref, DerefMut};
+use core::ptr;
+use core::slice;
+use core::ops::{Deref, DerefMut};
+use core::ptr;
+
+#[cfg(feature="collections")] pub use self::buffered::{BufReader, BufWriter, LineWriter};
+#[cfg(feature="collections")] pub use self::buffered::IntoInnerError;
@ -1142,16 +1054,15 @@ index e3e2754..400eca6 100644
fn read(&mut self, buf: &mut [u8]) -> Result<usize>;
/// Like `read`, except that it reads into a slice of buffers.
@@ -530,7 +519,7 @@ pub trait Read {
@@ -530,7 +519,6 @@ pub trait Read {
///
/// The default implementation simply passes the first nonempty buffer to
/// `read`.
- #[unstable(feature = "iovec", issue = "58452")]
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> Result<usize> {
match bufs.iter_mut().find(|b| !b.is_empty()) {
Some(buf) => self.read(buf),
@@ -560,7 +549,6 @@ pub trait Read {
@@ -560,7 +548,6 @@ pub trait Read {
///
/// [`Initializer::nop()`]: ../../std/io/struct.Initializer.html#method.nop
/// [`Initializer`]: ../../std/io/struct.Initializer.html
@ -1159,7 +1070,7 @@ index e3e2754..400eca6 100644
#[inline]
unsafe fn initializer(&self) -> Initializer {
Initializer::zeroing()
@@ -613,7 +601,7 @@ pub trait Read {
@@ -613,7 +600,7 @@ pub trait Read {
/// file.)
///
/// [`std::fs::read`]: ../fs/fn.read.html
@ -1168,7 +1079,7 @@ index e3e2754..400eca6 100644
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
read_to_end(self, buf)
}
@@ -656,7 +644,7 @@ pub trait Read {
@@ -656,7 +643,7 @@ pub trait Read {
/// reading from a file.)
///
/// [`std::fs::read_to_string`]: ../fs/fn.read_to_string.html
@ -1177,7 +1088,7 @@ index e3e2754..400eca6 100644
fn read_to_string(&mut self, buf: &mut String) -> Result<usize> {
// Note that we do *not* call `.read_to_end()` here. We are passing
// `&mut Vec<u8>` (the raw contents of `buf`) into the `read_to_end`
@@ -719,7 +707,6 @@ pub trait Read {
@@ -719,7 +706,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1185,7 +1096,7 @@ index e3e2754..400eca6 100644
fn read_exact(&mut self, mut buf: &mut [u8]) -> Result<()> {
while !buf.is_empty() {
match self.read(buf) {
@@ -771,7 +758,6 @@ pub trait Read {
@@ -771,7 +757,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1193,7 +1104,7 @@ index e3e2754..400eca6 100644
fn by_ref(&mut self) -> &mut Self where Self: Sized { self }
/// Transforms this `Read` instance to an [`Iterator`] over its bytes.
@@ -808,7 +794,6 @@ pub trait Read {
@@ -808,7 +793,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1201,7 +1112,7 @@ index e3e2754..400eca6 100644
fn bytes(self) -> Bytes<Self> where Self: Sized {
Bytes { inner: self }
}
@@ -843,7 +828,6 @@ pub trait Read {
@@ -843,7 +827,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1209,7 +1120,7 @@ index e3e2754..400eca6 100644
fn chain<R: Read>(self, next: R) -> Chain<Self, R> where Self: Sized {
Chain { first: self, second: next, done_first: false }
}
@@ -879,42 +863,77 @@ pub trait Read {
@@ -879,22 +862,52 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1219,10 +1130,8 @@ index e3e2754..400eca6 100644
}
}
+#[cfg(feature="collections")]
+pub struct IoVecBuffer<'a>(&'a [u8]);
+
+#[cfg(feature="collections")]
+impl<'a> IoVecBuffer<'a> {
+ #[inline]
+ pub fn new(buf: &'a [u8]) -> IoVecBuffer<'a> {
@ -1234,10 +1143,9 @@ index e3e2754..400eca6 100644
+ self.0
+ }
+}
+#[cfg(feature="collections")]
+
+pub struct IoVecMutBuffer<'a>(&'a mut [u8]);
+
+#[cfg(feature="collections")]
+impl<'a> IoVecMutBuffer<'a> {
+ #[inline]
+ pub fn new(buf: &'a mut [u8]) -> IoVecMutBuffer<'a> {
@ -1261,23 +1169,15 @@ index e3e2754..400eca6 100644
/// ABI compatible with the `iovec` type on Unix platforms and `WSABUF` on
/// Windows.
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
#[repr(transparent)]
-pub struct IoVecMut<'a>(sys::io::IoVecMut<'a>);
+pub struct IoVecMut<'a>(IoVecMutBuffer<'a>);
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> fmt::Debug for IoVecMut<'a> {
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
fmt::Debug::fmt(self.0.as_slice(), fmt)
}
}
+#[cfg(feature="collections")]
impl<'a> IoVecMut<'a> {
/// Creates a new `IoVecMut` wrapping a byte slice.
///
@@ -907,14 +920,12 @@ impl<'a> IoVecMut<'a> {
/// # Panics
///
/// Panics on Windows if the slice is larger than 4GB.
@ -1290,41 +1190,31 @@ index e3e2754..400eca6 100644
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> Deref for IoVecMut<'a> {
type Target = [u8];
@@ -924,7 +943,7 @@ impl<'a> Deref for IoVecMut<'a> {
@@ -924,7 +935,6 @@ impl<'a> Deref for IoVecMut<'a> {
}
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> DerefMut for IoVecMut<'a> {
#[inline]
fn deref_mut(&mut self) -> &mut [u8] {
@@ -937,31 +956,31 @@ impl<'a> DerefMut for IoVecMut<'a> {
@@ -937,11 +947,9 @@ impl<'a> DerefMut for IoVecMut<'a> {
/// It is semantically a wrapper around an `&[u8]`, but is guaranteed to be
/// ABI compatible with the `iovec` type on Unix platforms and `WSABUF` on
/// Windows.
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
#[repr(transparent)]
-pub struct IoVec<'a>(sys::io::IoVec<'a>);
+pub struct IoVec<'a>(IoVecBuffer<'a>);
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> fmt::Debug for IoVec<'a> {
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
fmt::Debug::fmt(self.0.as_slice(), fmt)
}
}
+#[cfg(feature="collections")]
impl<'a> IoVec<'a> {
/// Creates a new `IoVec` wrapping a byte slice.
///
@@ -954,14 +962,12 @@ impl<'a> IoVec<'a> {
/// # Panics
///
/// Panics on Windows if the slice is larger than 4GB.
@ -1337,11 +1227,10 @@ index e3e2754..400eca6 100644
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> Deref for IoVec<'a> {
type Target = [u8];
@@ -972,13 +991,11 @@ impl<'a> Deref for IoVec<'a> {
@@ -972,13 +978,11 @@ impl<'a> Deref for IoVec<'a> {
}
/// A type used to conditionally initialize buffers passed to `Read` methods.
@ -1355,7 +1244,7 @@ index e3e2754..400eca6 100644
#[inline]
pub fn zeroing() -> Initializer {
Initializer(true)
@@ -992,21 +1009,18 @@ impl Initializer {
@@ -992,21 +996,18 @@ impl Initializer {
/// read from buffers passed to `Read` methods, and that the return value of
/// the method accurately reflects the number of bytes that have been
/// written to the head of the buffer.
@ -1377,7 +1266,7 @@ index e3e2754..400eca6 100644
#[inline]
pub fn initialize(&self, buf: &mut [u8]) {
if self.should_initialize() {
@@ -1049,7 +1063,6 @@ impl Initializer {
@@ -1049,7 +1050,6 @@ impl Initializer {
/// Ok(())
/// }
/// ```
@ -1385,7 +1274,7 @@ index e3e2754..400eca6 100644
#[doc(spotlight)]
pub trait Write {
/// Write a buffer into this writer, returning how many bytes were written.
@@ -1098,7 +1111,6 @@ pub trait Write {
@@ -1098,7 +1098,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1393,16 +1282,15 @@ index e3e2754..400eca6 100644
fn write(&mut self, buf: &[u8]) -> Result<usize>;
/// Like `write`, except that it writes from a slice of buffers.
@@ -1109,7 +1121,7 @@ pub trait Write {
@@ -1109,7 +1108,6 @@ pub trait Write {
///
/// The default implementation simply passes the first nonempty buffer to
/// `write`.
- #[unstable(feature = "iovec", issue = "58452")]
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> Result<usize> {
match bufs.iter().find(|b| !b.is_empty()) {
Some(buf) => self.write(buf),
@@ -1140,7 +1152,6 @@ pub trait Write {
@@ -1140,7 +1138,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1410,7 +1298,7 @@ index e3e2754..400eca6 100644
fn flush(&mut self) -> Result<()>;
/// Attempts to write an entire buffer into this writer.
@@ -1173,7 +1184,6 @@ pub trait Write {
@@ -1173,7 +1170,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1418,7 +1306,7 @@ index e3e2754..400eca6 100644
fn write_all(&mut self, mut buf: &[u8]) -> Result<()> {
while !buf.is_empty() {
match self.write(buf) {
@@ -1225,7 +1235,6 @@ pub trait Write {
@@ -1225,7 +1221,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1426,7 +1314,7 @@ index e3e2754..400eca6 100644
fn write_fmt(&mut self, fmt: fmt::Arguments) -> Result<()> {
// Create a shim which translates a Write to a fmt::Write and saves
// off I/O errors. instead of discarding them
@@ -1281,7 +1290,6 @@ pub trait Write {
@@ -1281,7 +1276,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1434,7 +1322,7 @@ index e3e2754..400eca6 100644
fn by_ref(&mut self) -> &mut Self where Self: Sized { self }
}
@@ -1311,7 +1319,6 @@ pub trait Write {
@@ -1311,7 +1305,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1442,7 +1330,7 @@ index e3e2754..400eca6 100644
pub trait Seek {
/// Seek to an offset, in bytes, in a stream.
///
@@ -1327,7 +1334,6 @@ pub trait Seek {
@@ -1327,7 +1320,6 @@ pub trait Seek {
/// Seeking to a negative offset is considered an error.
///
/// [`SeekFrom::Start`]: enum.SeekFrom.html#variant.Start
@ -1450,7 +1338,7 @@ index e3e2754..400eca6 100644
fn seek(&mut self, pos: SeekFrom) -> Result<u64>;
}
@@ -1337,29 +1343,26 @@ pub trait Seek {
@@ -1337,29 +1329,26 @@ pub trait Seek {
///
/// [`Seek`]: trait.Seek.html
#[derive(Copy, PartialEq, Eq, Clone, Debug)]
@ -1484,7 +1372,7 @@ index e3e2754..400eca6 100644
fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
-> Result<usize> {
let mut read = 0;
@@ -1439,7 +1442,7 @@ fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
@@ -1439,7 +1428,7 @@ fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
/// }
/// ```
///
@ -1493,7 +1381,7 @@ index e3e2754..400eca6 100644
pub trait BufRead: Read {
/// Returns the contents of the internal buffer, filling it with more data
/// from the inner reader if it is empty.
@@ -1485,7 +1488,6 @@ pub trait BufRead: Read {
@@ -1485,7 +1474,6 @@ pub trait BufRead: Read {
/// // ensure the bytes we worked with aren't returned again later
/// stdin.consume(length);
/// ```
@ -1501,7 +1389,7 @@ index e3e2754..400eca6 100644
fn fill_buf(&mut self) -> Result<&[u8]>;
/// Tells this buffer that `amt` bytes have been consumed from the buffer,
@@ -1507,7 +1509,6 @@ pub trait BufRead: Read {
@@ -1507,7 +1495,6 @@ pub trait BufRead: Read {
/// that method's example includes an example of `consume()`.
///
/// [`fill_buf`]: #tymethod.fill_buf
@ -1509,7 +1397,7 @@ index e3e2754..400eca6 100644
fn consume(&mut self, amt: usize);
/// Read all bytes into `buf` until the delimiter `byte` or EOF is reached.
@@ -1563,7 +1564,6 @@ pub trait BufRead: Read {
@@ -1563,7 +1550,6 @@ pub trait BufRead: Read {
/// assert_eq!(num_bytes, 0);
/// assert_eq!(buf, b"");
/// ```
@ -1517,7 +1405,7 @@ index e3e2754..400eca6 100644
fn read_until(&mut self, byte: u8, buf: &mut Vec<u8>) -> Result<usize> {
read_until(self, byte, buf)
}
@@ -1622,7 +1622,6 @@ pub trait BufRead: Read {
@@ -1622,7 +1608,6 @@ pub trait BufRead: Read {
/// assert_eq!(num_bytes, 0);
/// assert_eq!(buf, "");
/// ```
@ -1525,7 +1413,7 @@ index e3e2754..400eca6 100644
fn read_line(&mut self, buf: &mut String) -> Result<usize> {
// Note that we are not calling the `.read_until` method here, but
// rather our hardcoded implementation. For more details as to why, see
@@ -1663,7 +1662,6 @@ pub trait BufRead: Read {
@@ -1663,7 +1648,6 @@ pub trait BufRead: Read {
/// assert_eq!(split_iter.next(), Some(b"dolor".to_vec()));
/// assert_eq!(split_iter.next(), None);
/// ```
@ -1533,7 +1421,7 @@ index e3e2754..400eca6 100644
fn split(self, byte: u8) -> Split<Self> where Self: Sized {
Split { buf: self, delim: byte }
}
@@ -1702,7 +1700,6 @@ pub trait BufRead: Read {
@@ -1702,7 +1686,6 @@ pub trait BufRead: Read {
/// Each line of the iterator has the same error semantics as [`BufRead::read_line`].
///
/// [`BufRead::read_line`]: trait.BufRead.html#method.read_line
@ -1541,7 +1429,7 @@ index e3e2754..400eca6 100644
fn lines(self) -> Lines<Self> where Self: Sized {
Lines { buf: self }
}
@@ -1714,7 +1711,6 @@ pub trait BufRead: Read {
@@ -1714,7 +1697,6 @@ pub trait BufRead: Read {
/// Please see the documentation of [`chain`] for more details.
///
/// [`chain`]: trait.Read.html#method.chain
@ -1549,7 +1437,7 @@ index e3e2754..400eca6 100644
pub struct Chain<T, U> {
first: T,
second: U,
@@ -1740,7 +1736,6 @@ impl<T, U> Chain<T, U> {
@@ -1740,7 +1722,6 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1557,7 +1445,7 @@ index e3e2754..400eca6 100644
pub fn into_inner(self) -> (T, U) {
(self.first, self.second)
}
@@ -1763,7 +1758,6 @@ impl<T, U> Chain<T, U> {
@@ -1763,7 +1744,6 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1565,7 +1453,7 @@ index e3e2754..400eca6 100644
pub fn get_ref(&self) -> (&T, &U) {
(&self.first, &self.second)
}
@@ -1790,13 +1784,11 @@ impl<T, U> Chain<T, U> {
@@ -1790,13 +1770,11 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1579,7 +1467,7 @@ index e3e2754..400eca6 100644
impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_struct("Chain")
@@ -1806,7 +1798,6 @@ impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
@@ -1806,7 +1784,6 @@ impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
}
}
@ -1587,15 +1475,7 @@ index e3e2754..400eca6 100644
impl<T: Read, U: Read> Read for Chain<T, U> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
if !self.done_first {
@@ -1818,6 +1809,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
self.second.read(buf)
}
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> Result<usize> {
if !self.done_first {
match self.first.read_vectored(bufs)? {
@@ -1838,7 +1830,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
@@ -1838,7 +1815,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
}
}
@ -1604,7 +1484,7 @@ index e3e2754..400eca6 100644
impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
fn fill_buf(&mut self) -> Result<&[u8]> {
if !self.done_first {
@@ -1865,7 +1857,6 @@ impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
@@ -1865,7 +1842,6 @@ impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
/// Please see the documentation of [`take`] for more details.
///
/// [`take`]: trait.Read.html#method.take
@ -1612,7 +1492,7 @@ index e3e2754..400eca6 100644
#[derive(Debug)]
pub struct Take<T> {
inner: T,
@@ -1900,7 +1891,6 @@ impl<T> Take<T> {
@@ -1900,7 +1876,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1620,7 +1500,7 @@ index e3e2754..400eca6 100644
pub fn limit(&self) -> u64 { self.limit }
/// Sets the number of bytes that can be read before this instance will
@@ -1926,7 +1916,6 @@ impl<T> Take<T> {
@@ -1926,7 +1901,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1628,7 +1508,7 @@ index e3e2754..400eca6 100644
pub fn set_limit(&mut self, limit: u64) {
self.limit = limit;
}
@@ -1951,7 +1940,6 @@ impl<T> Take<T> {
@@ -1951,7 +1925,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1636,7 +1516,7 @@ index e3e2754..400eca6 100644
pub fn into_inner(self) -> T {
self.inner
}
@@ -1976,7 +1964,6 @@ impl<T> Take<T> {
@@ -1976,7 +1949,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1644,7 +1524,7 @@ index e3e2754..400eca6 100644
pub fn get_ref(&self) -> &T {
&self.inner
}
@@ -2005,13 +1992,11 @@ impl<T> Take<T> {
@@ -2005,13 +1977,11 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1658,16 +1538,16 @@ index e3e2754..400eca6 100644
impl<T: Read> Read for Take<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
// Don't call into inner reader at all at EOF because it may still block
@@ -2028,15 +2013,9 @@ impl<T: Read> Read for Take<T> {
unsafe fn initializer(&self) -> Initializer {
@@ -2029,6 +1999,7 @@ impl<T: Read> Read for Take<T> {
self.inner.initializer()
}
-
- fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
- let reservation_size = cmp::min(self.limit, 32) as usize;
-
- read_to_end_with_reservation(self, buf, reservation_size)
- }
+ #[cfg(feature="collections")]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
let reservation_size = cmp::min(self.limit, 32) as usize;
@@ -2036,7 +2007,7 @@ impl<T: Read> Read for Take<T> {
}
}
-#[stable(feature = "rust1", since = "1.0.0")]
@ -1675,7 +1555,7 @@ index e3e2754..400eca6 100644
impl<T: BufRead> BufRead for Take<T> {
fn fill_buf(&mut self) -> Result<&[u8]> {
// Don't call into inner reader at all at EOF because it may still block
@@ -2063,13 +2042,11 @@ impl<T: BufRead> BufRead for Take<T> {
@@ -2063,13 +2034,11 @@ impl<T: BufRead> BufRead for Take<T> {
/// Please see the documentation of [`bytes`] for more details.
///
/// [`bytes`]: trait.Read.html#method.bytes
@ -1689,7 +1569,7 @@ index e3e2754..400eca6 100644
impl<R: Read> Iterator for Bytes<R> {
type Item = Result<u8>;
@@ -2093,14 +2070,14 @@ impl<R: Read> Iterator for Bytes<R> {
@@ -2093,14 +2062,14 @@ impl<R: Read> Iterator for Bytes<R> {
/// `BufRead`. Please see the documentation of `split()` for more details.
///
/// [split]: trait.BufRead.html#method.split
@ -1706,7 +1586,7 @@ index e3e2754..400eca6 100644
impl<B: BufRead> Iterator for Split<B> {
type Item = Result<Vec<u8>>;
@@ -2125,13 +2102,13 @@ impl<B: BufRead> Iterator for Split<B> {
@@ -2125,13 +2094,13 @@ impl<B: BufRead> Iterator for Split<B> {
/// `BufRead`. Please see the documentation of `lines()` for more details.
///
/// [lines]: trait.BufRead.html#method.lines
@ -1739,7 +1619,7 @@ index 2e19edf..66294a3 100644
+#[cfg(feature="collections")] pub use alloc::boxed::Box;
+#[cfg(feature="collections")] pub use collections::vec::Vec;
diff --git a/util.rs b/util.rs
index 6aaf8f1..447ce47 100644
index 6aaf8f1..15ce0af 100644
--- a/util.rs
+++ b/util.rs
@@ -1,8 +1,9 @@
@ -1749,8 +1629,8 @@ index 6aaf8f1..447ce47 100644
-use crate::io::{self, Read, Initializer, Write, ErrorKind, BufRead, IoVec, IoVecMut};
-use crate::mem;
+use core::fmt;
+use crate::io::{self, Read, Initializer, Write, ErrorKind};
+#[cfg(feature="collections")] use crate::io::{BufRead, IoVec, IoVecMut};
+use crate::io::{self, Read, Initializer, Write, ErrorKind, IoVec, IoVecMut};
+#[cfg(feature="collections")] use crate::io::BufRead;
+use core::mem;
/// Copies the entire contents of a reader into a writer.
@ -1819,15 +1699,7 @@ index 6aaf8f1..447ce47 100644
impl Read for Repeat {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
@@ -152,6 +146,7 @@ impl Read for Repeat {
Ok(buf.len())
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nwritten = 0;
@@ -167,7 +162,6 @@ impl Read for Repeat {
@@ -167,7 +161,6 @@ impl Read for Repeat {
}
}
@ -1835,7 +1707,7 @@ index 6aaf8f1..447ce47 100644
impl fmt::Debug for Repeat {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.pad("Repeat { .. }")
@@ -180,7 +174,6 @@ impl fmt::Debug for Repeat {
@@ -180,7 +173,6 @@ impl fmt::Debug for Repeat {
/// see the documentation of `sink()` for more details.
///
/// [sink]: fn.sink.html
@ -1843,7 +1715,7 @@ index 6aaf8f1..447ce47 100644
pub struct Sink { _priv: () }
/// Creates an instance of a writer which will successfully consume all data.
@@ -197,14 +190,13 @@ pub struct Sink { _priv: () }
@@ -197,10 +189,8 @@ pub struct Sink { _priv: () }
/// let num_bytes = io::sink().write(&buffer).unwrap();
/// assert_eq!(num_bytes, 5);
/// ```
@ -1854,12 +1726,7 @@ index 6aaf8f1..447ce47 100644
impl Write for Sink {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { Ok(buf.len()) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let total_len = bufs.iter().map(|b| b.len()).sum();
@@ -215,7 +207,6 @@ impl Write for Sink {
@@ -215,7 +205,6 @@ impl Write for Sink {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}

26
patches/99ed06eb8864e704c4a1871ccda4648273bee4ef.patch
View File

@ -962,8 +962,8 @@ index c0570ae..f10d775 100644
+mod memchr;
+#[cfg(all(feature="collections",core_memchr))]
+use core::slice::memchr;
+use core::ptr;
+use core::slice;
+use core::ptr;
+
+#[cfg(feature="collections")] pub use self::buffered::{BufReader, BufWriter, LineWriter};
+#[cfg(feature="collections")] pub use self::buffered::IntoInnerError;
@ -1404,16 +1404,16 @@ index c0570ae..f10d775 100644
impl<T: Read> Read for Take<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1898,15 +1847,9 @@ impl<T: Read> Read for Take<T> {
unsafe fn initializer(&self) -> Initializer {
@@ -1899,6 +1848,7 @@ impl<T: Read> Read for Take<T> {
self.inner.initializer()
}
-
- fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
- let reservation_size = cmp::min(self.limit, 32) as usize;
-
- read_to_end_with_reservation(self, buf, reservation_size)
- }
+ #[cfg(feature="collections")]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
let reservation_size = cmp::min(self.limit, 32) as usize;
@@ -1906,7 +1856,7 @@ impl<T: Read> Read for Take<T> {
}
}
-#[stable(feature = "rust1", since = "1.0.0")]
@ -1421,7 +1421,7 @@ index c0570ae..f10d775 100644
impl<T: BufRead> BufRead for Take<T> {
fn fill_buf(&mut self) -> Result<&[u8]> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1933,13 +1876,11 @@ impl<T: BufRead> BufRead for Take<T> {
@@ -1933,13 +1883,11 @@ impl<T: BufRead> BufRead for Take<T> {
/// Please see the documentation of [`bytes`] for more details.
///
/// [`bytes`]: trait.Read.html#method.bytes
@ -1435,7 +1435,7 @@ index c0570ae..f10d775 100644
impl<R: Read> Iterator for Bytes<R> {
type Item = Result<u8>;
@@ -1963,14 +1904,14 @@ impl<R: Read> Iterator for Bytes<R> {
@@ -1963,14 +1911,14 @@ impl<R: Read> Iterator for Bytes<R> {
/// `BufRead`. Please see the documentation of `split()` for more details.
///
/// [split]: trait.BufRead.html#method.split
@ -1452,7 +1452,7 @@ index c0570ae..f10d775 100644
impl<B: BufRead> Iterator for Split<B> {
type Item = Result<Vec<u8>>;
@@ -1995,13 +1936,13 @@ impl<B: BufRead> Iterator for Split<B> {
@@ -1995,13 +1943,13 @@ impl<B: BufRead> Iterator for Split<B> {
/// `BufRead`. Please see the documentation of `lines()` for more details.
///
/// [lines]: trait.BufRead.html#method.lines
@ -1496,8 +1496,8 @@ index 8df961a..2b08122 100644
-use mem;
+use core::fmt;
+use io::{self, Read, Initializer, Write, ErrorKind};
+use core::mem;
+#[cfg(feature="collections")] use io::BufRead;
+use core::mem;
/// Copies the entire contents of a reader into a writer.
///

22
patches/b20bba4f3777fd097539e1f516987e0d9729d710.patch
View File

@ -1409,16 +1409,16 @@ index e263db2..2176464 100644
impl<T: Read> Read for Take<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1907,15 +1856,9 @@ impl<T: Read> Read for Take<T> {
unsafe fn initializer(&self) -> Initializer {
@@ -1908,6 +1857,7 @@ impl<T: Read> Read for Take<T> {
self.inner.initializer()
}
-
- fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
- let reservation_size = cmp::min(self.limit, 32) as usize;
-
- read_to_end_with_reservation(self, buf, reservation_size)
- }
+ #[cfg(feature="collections")]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
let reservation_size = cmp::min(self.limit, 32) as usize;
@@ -1915,7 +1865,7 @@ impl<T: Read> Read for Take<T> {
}
}
-#[stable(feature = "rust1", since = "1.0.0")]
@ -1426,7 +1426,7 @@ index e263db2..2176464 100644
impl<T: BufRead> BufRead for Take<T> {
fn fill_buf(&mut self) -> Result<&[u8]> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1954,13 +1897,11 @@ fn read_one_byte(reader: &mut dyn Read) -> Option<Result<u8>> {
@@ -1954,13 +1904,11 @@ fn read_one_byte(reader: &mut dyn Read) -> Option<Result<u8>> {
/// Please see the documentation of [`bytes`] for more details.
///
/// [`bytes`]: trait.Read.html#method.bytes
@ -1440,7 +1440,7 @@ index e263db2..2176464 100644
impl<R: Read> Iterator for Bytes<R> {
type Item = Result<u8>;
@@ -1976,14 +1917,14 @@ impl<R: Read> Iterator for Bytes<R> {
@@ -1976,14 +1924,14 @@ impl<R: Read> Iterator for Bytes<R> {
/// `BufRead`. Please see the documentation of `split()` for more details.
///
/// [split]: trait.BufRead.html#method.split
@ -1457,7 +1457,7 @@ index e263db2..2176464 100644
impl<B: BufRead> Iterator for Split<B> {
type Item = Result<Vec<u8>>;
@@ -2008,13 +1949,13 @@ impl<B: BufRead> Iterator for Split<B> {
@@ -2008,13 +1956,13 @@ impl<B: BufRead> Iterator for Split<B> {
/// `BufRead`. Please see the documentation of `lines()` for more details.
///
/// [lines]: trait.BufRead.html#method.lines

22
patches/b5ed39ff10f0e46be6e97b577477e0f60234fa0b.patch
View File

@ -1408,16 +1408,16 @@ index b83f3fb..883fa30 100644
impl<T: Read> Read for Take<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1906,15 +1855,9 @@ impl<T: Read> Read for Take<T> {
unsafe fn initializer(&self) -> Initializer {
@@ -1907,6 +1856,7 @@ impl<T: Read> Read for Take<T> {
self.inner.initializer()
}
-
- fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
- let reservation_size = cmp::min(self.limit, 32) as usize;
-
- read_to_end_with_reservation(self, buf, reservation_size)
- }
+ #[cfg(feature="collections")]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
let reservation_size = cmp::min(self.limit, 32) as usize;
@@ -1914,7 +1864,7 @@ impl<T: Read> Read for Take<T> {
}
}
-#[stable(feature = "rust1", since = "1.0.0")]
@ -1425,7 +1425,7 @@ index b83f3fb..883fa30 100644
impl<T: BufRead> BufRead for Take<T> {
fn fill_buf(&mut self) -> Result<&[u8]> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1953,13 +1896,11 @@ fn read_one_byte(reader: &mut dyn Read) -> Option<Result<u8>> {
@@ -1953,13 +1903,11 @@ fn read_one_byte(reader: &mut dyn Read) -> Option<Result<u8>> {
/// Please see the documentation of [`bytes`] for more details.
///
/// [`bytes`]: trait.Read.html#method.bytes
@ -1439,7 +1439,7 @@ index b83f3fb..883fa30 100644
impl<R: Read> Iterator for Bytes<R> {
type Item = Result<u8>;
@@ -1975,14 +1916,14 @@ impl<R: Read> Iterator for Bytes<R> {
@@ -1975,14 +1923,14 @@ impl<R: Read> Iterator for Bytes<R> {
/// `BufRead`. Please see the documentation of `split()` for more details.
///
/// [split]: trait.BufRead.html#method.split
@ -1456,7 +1456,7 @@ index b83f3fb..883fa30 100644
impl<B: BufRead> Iterator for Split<B> {
type Item = Result<Vec<u8>>;
@@ -2007,13 +1948,13 @@ impl<B: BufRead> Iterator for Split<B> {
@@ -2007,13 +1955,13 @@ impl<B: BufRead> Iterator for Split<B> {
/// `BufRead`. Please see the documentation of `lines()` for more details.
///
/// [lines]: trait.BufRead.html#method.lines

353
patches/b6fb3e34117008f7f97094b0f1521116a4e66473.patch
View File

@ -15,7 +15,7 @@ index 441f6b9..540d4aa 100644
+use core::fmt;
use crate::io::{self, Initializer, DEFAULT_BUF_SIZE, Error, ErrorKind, SeekFrom, IoVec, IoVecMut};
-use crate::memchr;
+use io::memchr;
+use crate::io::memchr;
/// The `BufReader` struct adds buffering to any reader.
///
@ -311,21 +311,19 @@ diff --git a/cursor.rs b/cursor.rs
index 247d45c..f13522d 100644
--- a/cursor.rs
+++ b/cursor.rs
@@ -1,9 +1,10 @@
@@ -1,9 +1,9 @@
use crate::io::prelude::*;
-use crate::cmp;
-use crate::io::{self, Initializer, SeekFrom, Error, ErrorKind, IoVec, IoVecMut};
+use core::cmp;
+use crate::io::{self, Initializer, SeekFrom, Error, ErrorKind};
+#[cfg(feature="collections")] use crate::io::{IoVec, IoVecMut};
use crate::io::{self, Initializer, SeekFrom, Error, ErrorKind, IoVec, IoVecMut};
-use core::convert::TryInto;
+#[cfg(feature="collections")] use core::convert::TryInto;
/// A `Cursor` wraps an in-memory buffer and provides it with a
/// [`Seek`] implementation.
@@ -71,7 +72,6 @@ use core::convert::TryInto;
@@ -71,7 +71,6 @@ use core::convert::TryInto;
/// assert_eq!(&buff.get_ref()[5..15], &[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]);
/// }
/// ```
@ -333,7 +331,7 @@ index 247d45c..f13522d 100644
#[derive(Clone, Debug)]
pub struct Cursor<T> {
inner: T,
@@ -94,7 +94,6 @@ impl<T> Cursor<T> {
@@ -94,7 +93,6 @@ impl<T> Cursor<T> {
/// # fn force_inference(_: &Cursor<Vec<u8>>) {}
/// # force_inference(&buff);
/// ```
@ -341,7 +339,7 @@ index 247d45c..f13522d 100644
pub fn new(inner: T) -> Cursor<T> {
Cursor { pos: 0, inner: inner }
}
@@ -112,7 +111,6 @@ impl<T> Cursor<T> {
@@ -112,7 +110,6 @@ impl<T> Cursor<T> {
///
/// let vec = buff.into_inner();
/// ```
@ -349,7 +347,7 @@ index 247d45c..f13522d 100644
pub fn into_inner(self) -> T { self.inner }
/// Gets a reference to the underlying value in this cursor.
@@ -128,7 +126,6 @@ impl<T> Cursor<T> {
@@ -128,7 +125,6 @@ impl<T> Cursor<T> {
///
/// let reference = buff.get_ref();
/// ```
@ -357,7 +355,7 @@ index 247d45c..f13522d 100644
pub fn get_ref(&self) -> &T { &self.inner }
/// Gets a mutable reference to the underlying value in this cursor.
@@ -147,7 +144,6 @@ impl<T> Cursor<T> {
@@ -147,7 +143,6 @@ impl<T> Cursor<T> {
///
/// let reference = buff.get_mut();
/// ```
@ -365,7 +363,7 @@ index 247d45c..f13522d 100644
pub fn get_mut(&mut self) -> &mut T { &mut self.inner }
/// Returns the current position of this cursor.
@@ -169,7 +165,6 @@ impl<T> Cursor<T> {
@@ -169,7 +164,6 @@ impl<T> Cursor<T> {
/// buff.seek(SeekFrom::Current(-1)).unwrap();
/// assert_eq!(buff.position(), 1);
/// ```
@ -373,7 +371,7 @@ index 247d45c..f13522d 100644
pub fn position(&self) -> u64 { self.pos }
/// Sets the position of this cursor.
@@ -189,11 +184,9 @@ impl<T> Cursor<T> {
@@ -189,11 +183,9 @@ impl<T> Cursor<T> {
/// buff.set_position(4);
/// assert_eq!(buff.position(), 4);
/// ```
@ -385,7 +383,7 @@ index 247d45c..f13522d 100644
impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
fn seek(&mut self, style: SeekFrom) -> io::Result<u64> {
let (base_pos, offset) = match style {
@@ -222,14 +215,14 @@ impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
@@ -222,10 +214,9 @@ impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
}
}
@ -397,12 +395,7 @@ index 247d45c..f13522d 100644
self.pos += n as u64;
Ok(n)
}
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nread = 0;
for buf in bufs {
@@ -244,7 +237,7 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
@@ -244,7 +235,7 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
fn read_exact(&mut self, buf: &mut [u8]) -> io::Result<()> {
let n = buf.len();
@ -411,7 +404,7 @@ index 247d45c..f13522d 100644
self.pos += n as u64;
Ok(())
}
@@ -255,12 +248,16 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
@@ -255,12 +246,16 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
}
}
@ -431,15 +424,7 @@ index 247d45c..f13522d 100644
fn consume(&mut self, amt: usize) { self.pos += amt as u64; }
}
@@ -272,6 +269,7 @@ fn slice_write(pos_mut: &mut u64, slice: &mut [u8], buf: &[u8]) -> io::Result<us
Ok(amt)
}
+#[cfg(feature="collections")]
fn slice_write_vectored(
pos_mut: &mut u64,
slice: &mut [u8],
@@ -290,6 +288,7 @@ fn slice_write_vectored(
@@ -290,6 +285,7 @@ fn slice_write_vectored(
}
// Resizing write implementation
@ -447,7 +432,7 @@ index 247d45c..f13522d 100644
fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usize> {
let pos: usize = (*pos_mut).try_into().map_err(|_| {
Error::new(ErrorKind::InvalidInput,
@@ -316,6 +315,7 @@ fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usi
@@ -316,6 +312,7 @@ fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usi
Ok(buf.len())
}
@ -455,7 +440,7 @@ index 247d45c..f13522d 100644
fn vec_write_vectored(
pos_mut: &mut u64,
vec: &mut Vec<u8>,
@@ -329,13 +329,13 @@ fn vec_write_vectored(
@@ -329,7 +326,6 @@ fn vec_write_vectored(
Ok(nwritten)
}
@ -463,14 +448,7 @@ index 247d45c..f13522d 100644
impl Write for Cursor<&mut [u8]> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
slice_write(&mut self.pos, self.inner, buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
slice_write_vectored(&mut self.pos, self.inner, bufs)
@@ -344,12 +344,13 @@ impl Write for Cursor<&mut [u8]> {
@@ -344,7 +340,7 @@ impl Write for Cursor<&mut [u8]> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -479,13 +457,7 @@ index 247d45c..f13522d 100644
impl Write for Cursor<&mut Vec<u8>> {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
vec_write(&mut self.pos, self.inner, buf)
}
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
vec_write_vectored(&mut self.pos, self.inner, bufs)
}
@@ -357,12 +358,13 @@ impl Write for Cursor<&mut Vec<u8>> {
@@ -357,7 +353,7 @@ impl Write for Cursor<&mut Vec<u8>> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -494,13 +466,7 @@ index 247d45c..f13522d 100644
impl Write for Cursor<Vec<u8>> {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
vec_write(&mut self.pos, &mut self.inner, buf)
}
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
vec_write_vectored(&mut self.pos, &mut self.inner, bufs)
}
@@ -370,13 +372,14 @@ impl Write for Cursor<Vec<u8>> {
@@ -370,8 +366,8 @@ impl Write for Cursor<Vec<u8>> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -511,12 +477,6 @@ index 247d45c..f13522d 100644
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
slice_write(&mut self.pos, &mut self.inner, buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
slice_write_vectored(&mut self.pos, &mut self.inner, bufs)
diff --git a/error.rs b/error.rs
index 614b791..e4ce8b5 100644
--- a/error.rs
@ -844,7 +804,7 @@ diff --git a/impls.rs b/impls.rs
index b286e40..7472d9c 100644
--- a/impls.rs
+++ b/impls.rs
@@ -1,19 +1,22 @@
@@ -1,13 +1,15 @@
-use crate::cmp;
-use crate::io::{self, SeekFrom, Read, Initializer, Write, Seek, BufRead, Error, ErrorKind, IoVecMut,
- IoVec};
@ -852,8 +812,8 @@ index b286e40..7472d9c 100644
-use crate::mem;
+#[cfg(feature="alloc")] use alloc::boxed::Box;
+use core::cmp;
+use crate::io::{self, SeekFrom, Read, Initializer, Write, Seek, Error, ErrorKind};
+#[cfg(feature="collections")] use crate::io::{BufRead, IoVecMut, IoVec};
+use crate::io::{self, SeekFrom, Read, Initializer, Write, Seek, Error, ErrorKind, IoVecMut, IoVec};
+#[cfg(feature="collections")] use crate::io::BufRead;
+use core::fmt;
+use core::mem;
+#[cfg(feature="collections")] use collections::string::String;
@ -866,14 +826,7 @@ index b286e40..7472d9c 100644
impl<R: Read + ?Sized> Read for &mut R {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
(**self).read(buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
(**self).read_vectored(bufs)
@@ -24,11 +27,13 @@ impl<R: Read + ?Sized> Read for &mut R {
@@ -24,11 +26,13 @@ impl<R: Read + ?Sized> Read for &mut R {
(**self).initializer()
}
@ -887,7 +840,7 @@ index b286e40..7472d9c 100644
#[inline]
fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> {
(**self).read_to_string(buf)
@@ -39,11 +44,11 @@ impl<R: Read + ?Sized> Read for &mut R {
@@ -39,7 +43,6 @@ impl<R: Read + ?Sized> Read for &mut R {
(**self).read_exact(buf)
}
}
@ -895,12 +848,7 @@ index b286e40..7472d9c 100644
impl<W: Write + ?Sized> Write for &mut W {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { (**self).write(buf) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
(**self).write_vectored(bufs)
@@ -62,12 +67,11 @@ impl<W: Write + ?Sized> Write for &mut W {
@@ -62,12 +65,11 @@ impl<W: Write + ?Sized> Write for &mut W {
(**self).write_fmt(fmt)
}
}
@ -914,7 +862,7 @@ index b286e40..7472d9c 100644
impl<B: BufRead + ?Sized> BufRead for &mut B {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { (**self).fill_buf() }
@@ -86,13 +90,14 @@ impl<B: BufRead + ?Sized> BufRead for &mut B {
@@ -86,7 +88,7 @@ impl<B: BufRead + ?Sized> BufRead for &mut B {
}
}
@ -923,14 +871,7 @@ index b286e40..7472d9c 100644
impl<R: Read + ?Sized> Read for Box<R> {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
(**self).read(buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
(**self).read_vectored(bufs)
@@ -103,11 +108,13 @@ impl<R: Read + ?Sized> Read for Box<R> {
@@ -103,11 +105,13 @@ impl<R: Read + ?Sized> Read for Box<R> {
(**self).initializer()
}
@ -944,7 +885,7 @@ index b286e40..7472d9c 100644
#[inline]
fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> {
(**self).read_to_string(buf)
@@ -118,11 +125,12 @@ impl<R: Read + ?Sized> Read for Box<R> {
@@ -118,7 +122,7 @@ impl<R: Read + ?Sized> Read for Box<R> {
(**self).read_exact(buf)
}
}
@ -953,12 +894,7 @@ index b286e40..7472d9c 100644
impl<W: Write + ?Sized> Write for Box<W> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { (**self).write(buf) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
(**self).write_vectored(bufs)
@@ -141,12 +149,12 @@ impl<W: Write + ?Sized> Write for Box<W> {
@@ -141,12 +145,12 @@ impl<W: Write + ?Sized> Write for Box<W> {
(**self).write_fmt(fmt)
}
}
@ -973,7 +909,7 @@ index b286e40..7472d9c 100644
impl<B: BufRead + ?Sized> BufRead for Box<B> {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { (**self).fill_buf() }
@@ -186,7 +194,6 @@ impl Write for Box<dyn (::realstd::io::Write) + Send> {
@@ -186,7 +190,6 @@ impl Write for Box<dyn (::realstd::io::Write) + Send> {
///
/// Note that reading updates the slice to point to the yet unread part.
/// The slice will be empty when EOF is reached.
@ -981,15 +917,7 @@ index b286e40..7472d9c 100644
impl Read for &[u8] {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
@@ -206,6 +213,7 @@ impl Read for &[u8] {
Ok(amt)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nread = 0;
@@ -245,6 +253,7 @@ impl Read for &[u8] {
@@ -245,6 +248,7 @@ impl Read for &[u8] {
Ok(())
}
@ -997,7 +925,7 @@ index b286e40..7472d9c 100644
#[inline]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> io::Result<usize> {
buf.extend_from_slice(*self);
@@ -254,7 +263,7 @@ impl Read for &[u8] {
@@ -254,7 +258,7 @@ impl Read for &[u8] {
}
}
@ -1006,7 +934,7 @@ index b286e40..7472d9c 100644
impl BufRead for &[u8] {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { Ok(*self) }
@@ -268,7 +277,6 @@ impl BufRead for &[u8] {
@@ -268,7 +272,6 @@ impl BufRead for &[u8] {
///
/// Note that writing updates the slice to point to the yet unwritten part.
/// The slice will be empty when it has been completely overwritten.
@ -1014,15 +942,7 @@ index b286e40..7472d9c 100644
impl Write for &mut [u8] {
#[inline]
fn write(&mut self, data: &[u8]) -> io::Result<usize> {
@@ -279,6 +287,7 @@ impl Write for &mut [u8] {
Ok(amt)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let mut nwritten = 0;
@@ -307,7 +316,7 @@ impl Write for &mut [u8] {
@@ -307,7 +310,7 @@ impl Write for &mut [u8] {
/// Write is implemented for `Vec<u8>` by appending to the vector.
/// The vector will grow as needed.
@ -1031,14 +951,6 @@ index b286e40..7472d9c 100644
impl Write for Vec<u8> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
@@ -315,6 +324,7 @@ impl Write for Vec<u8> {
Ok(buf.len())
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let len = bufs.iter().map(|b| b.len()).sum();
diff --git a/mod.rs b/mod.rs
index 14a16f3..07792b7 100644
--- a/mod.rs
@ -1072,9 +984,9 @@ index 14a16f3..07792b7 100644
+mod memchr;
+#[cfg(all(feature="collections",core_memchr))]
+use core::slice::memchr;
+#[cfg(feature="collections")] use core::ops::{Deref, DerefMut};
+use core::ptr;
+use core::slice;
+use core::ops::{Deref, DerefMut};
+use core::ptr;
+
+#[cfg(feature="collections")] pub use self::buffered::{BufReader, BufWriter, LineWriter};
+#[cfg(feature="collections")] pub use self::buffered::IntoInnerError;
@ -1134,23 +1046,7 @@ index 14a16f3..07792b7 100644
fn read_to_end_with_reservation<R: Read + ?Sized>(r: &mut R,
buf: &mut Vec<u8>,
reservation_size: usize) -> Result<usize>
@@ -390,6 +381,7 @@ fn read_to_end_with_reservation<R: Read + ?Sized>(r: &mut R,
ret
}
+#[cfg(feature="collections")]
pub(crate) fn default_read_vectored<F>(read: F, bufs: &mut [IoVecMut<'_>]) -> Result<usize>
where
F: FnOnce(&mut [u8]) -> Result<usize>
@@ -401,6 +393,7 @@ where
read(buf)
}
+#[cfg(feature="collections")]
pub(crate) fn default_write_vectored<F>(write: F, bufs: &[IoVec<'_>]) -> Result<usize>
where
F: FnOnce(&[u8]) -> Result<usize>
@@ -484,7 +477,6 @@ where
@@ -484,7 +475,6 @@ where
/// [`BufReader`]: struct.BufReader.html
/// [`&str`]: ../../std/primitive.str.html
/// [slice]: ../../std/primitive.slice.html
@ -1158,7 +1054,7 @@ index 14a16f3..07792b7 100644
#[doc(spotlight)]
pub trait Read {
/// Pull some bytes from this source into the specified buffer, returning
@@ -543,7 +535,6 @@ pub trait Read {
@@ -543,7 +533,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1166,16 +1062,15 @@ index 14a16f3..07792b7 100644
fn read(&mut self, buf: &mut [u8]) -> Result<usize>;
/// Like `read`, except that it reads into a slice of buffers.
@@ -554,7 +545,7 @@ pub trait Read {
@@ -554,7 +543,6 @@ pub trait Read {
///
/// The default implementation calls `read` with either the first nonempty
/// buffer provided, or an empty one if none exists.
- #[unstable(feature = "iovec", issue = "58452")]
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> Result<usize> {
default_read_vectored(|b| self.read(b), bufs)
}
@@ -581,7 +572,6 @@ pub trait Read {
@@ -581,7 +569,6 @@ pub trait Read {
///
/// [`Initializer::nop()`]: ../../std/io/struct.Initializer.html#method.nop
/// [`Initializer`]: ../../std/io/struct.Initializer.html
@ -1183,7 +1078,7 @@ index 14a16f3..07792b7 100644
#[inline]
unsafe fn initializer(&self) -> Initializer {
Initializer::zeroing()
@@ -634,7 +624,7 @@ pub trait Read {
@@ -634,7 +621,7 @@ pub trait Read {
/// file.)
///
/// [`std::fs::read`]: ../fs/fn.read.html
@ -1192,7 +1087,7 @@ index 14a16f3..07792b7 100644
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
read_to_end(self, buf)
}
@@ -677,7 +667,7 @@ pub trait Read {
@@ -677,7 +664,7 @@ pub trait Read {
/// reading from a file.)
///
/// [`std::fs::read_to_string`]: ../fs/fn.read_to_string.html
@ -1201,7 +1096,7 @@ index 14a16f3..07792b7 100644
fn read_to_string(&mut self, buf: &mut String) -> Result<usize> {
// Note that we do *not* call `.read_to_end()` here. We are passing
// `&mut Vec<u8>` (the raw contents of `buf`) into the `read_to_end`
@@ -740,7 +730,6 @@ pub trait Read {
@@ -740,7 +727,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1209,7 +1104,7 @@ index 14a16f3..07792b7 100644
fn read_exact(&mut self, mut buf: &mut [u8]) -> Result<()> {
while !buf.is_empty() {
match self.read(buf) {
@@ -792,7 +781,6 @@ pub trait Read {
@@ -792,7 +778,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1217,7 +1112,7 @@ index 14a16f3..07792b7 100644
fn by_ref(&mut self) -> &mut Self where Self: Sized { self }
/// Transforms this `Read` instance to an [`Iterator`] over its bytes.
@@ -829,7 +817,6 @@ pub trait Read {
@@ -829,7 +814,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1225,7 +1120,7 @@ index 14a16f3..07792b7 100644
fn bytes(self) -> Bytes<Self> where Self: Sized {
Bytes { inner: self }
}
@@ -864,7 +851,6 @@ pub trait Read {
@@ -864,7 +848,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1233,7 +1128,7 @@ index 14a16f3..07792b7 100644
fn chain<R: Read>(self, next: R) -> Chain<Self, R> where Self: Sized {
Chain { first: self, second: next, done_first: false }
}
@@ -900,42 +886,77 @@ pub trait Read {
@@ -900,22 +883,52 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1243,10 +1138,8 @@ index 14a16f3..07792b7 100644
}
}
+#[cfg(feature="collections")]
+pub struct IoVecBuffer<'a>(&'a [u8]);
+
+#[cfg(feature="collections")]
+impl<'a> IoVecBuffer<'a> {
+ #[inline]
+ pub fn new(buf: &'a [u8]) -> IoVecBuffer<'a> {
@ -1258,10 +1151,9 @@ index 14a16f3..07792b7 100644
+ self.0
+ }
+}
+#[cfg(feature="collections")]
+
+pub struct IoVecMutBuffer<'a>(&'a mut [u8]);
+
+#[cfg(feature="collections")]
+impl<'a> IoVecMutBuffer<'a> {
+ #[inline]
+ pub fn new(buf: &'a mut [u8]) -> IoVecMutBuffer<'a> {
@ -1285,23 +1177,15 @@ index 14a16f3..07792b7 100644
/// ABI compatible with the `iovec` type on Unix platforms and `WSABUF` on
/// Windows.
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
#[repr(transparent)]
-pub struct IoVecMut<'a>(sys::io::IoVecMut<'a>);
+pub struct IoVecMut<'a>(IoVecMutBuffer<'a>);
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> fmt::Debug for IoVecMut<'a> {
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
fmt::Debug::fmt(self.0.as_slice(), fmt)
}
}
+#[cfg(feature="collections")]
impl<'a> IoVecMut<'a> {
/// Creates a new `IoVecMut` wrapping a byte slice.
///
@@ -928,14 +941,12 @@ impl<'a> IoVecMut<'a> {
/// # Panics
///
/// Panics on Windows if the slice is larger than 4GB.
@ -1314,41 +1198,31 @@ index 14a16f3..07792b7 100644
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> Deref for IoVecMut<'a> {
type Target = [u8];
@@ -945,7 +966,7 @@ impl<'a> Deref for IoVecMut<'a> {
@@ -945,7 +956,6 @@ impl<'a> Deref for IoVecMut<'a> {
}
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> DerefMut for IoVecMut<'a> {
#[inline]
fn deref_mut(&mut self) -> &mut [u8] {
@@ -958,31 +979,31 @@ impl<'a> DerefMut for IoVecMut<'a> {
@@ -958,11 +968,9 @@ impl<'a> DerefMut for IoVecMut<'a> {
/// It is semantically a wrapper around an `&[u8]`, but is guaranteed to be
/// ABI compatible with the `iovec` type on Unix platforms and `WSABUF` on
/// Windows.
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
#[repr(transparent)]
-pub struct IoVec<'a>(sys::io::IoVec<'a>);
+pub struct IoVec<'a>(IoVecBuffer<'a>);
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> fmt::Debug for IoVec<'a> {
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
fmt::Debug::fmt(self.0.as_slice(), fmt)
}
}
+#[cfg(feature="collections")]
impl<'a> IoVec<'a> {
/// Creates a new `IoVec` wrapping a byte slice.
///
@@ -975,14 +983,12 @@ impl<'a> IoVec<'a> {
/// # Panics
///
/// Panics on Windows if the slice is larger than 4GB.
@ -1361,11 +1235,10 @@ index 14a16f3..07792b7 100644
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> Deref for IoVec<'a> {
type Target = [u8];
@@ -993,13 +1014,11 @@ impl<'a> Deref for IoVec<'a> {
@@ -993,13 +999,11 @@ impl<'a> Deref for IoVec<'a> {
}
/// A type used to conditionally initialize buffers passed to `Read` methods.
@ -1379,7 +1252,7 @@ index 14a16f3..07792b7 100644
#[inline]
pub fn zeroing() -> Initializer {
Initializer(true)
@@ -1013,21 +1032,18 @@ impl Initializer {
@@ -1013,21 +1017,18 @@ impl Initializer {
/// read from buffers passed to `Read` methods, and that the return value of
/// the method accurately reflects the number of bytes that have been
/// written to the head of the buffer.
@ -1401,7 +1274,7 @@ index 14a16f3..07792b7 100644
#[inline]
pub fn initialize(&self, buf: &mut [u8]) {
if self.should_initialize() {
@@ -1081,7 +1097,6 @@ impl Initializer {
@@ -1081,7 +1082,6 @@ impl Initializer {
/// `write` in a loop until its entire input has been written.
///
/// [`write_all`]: #method.write_all
@ -1409,7 +1282,7 @@ index 14a16f3..07792b7 100644
#[doc(spotlight)]
pub trait Write {
/// Write a buffer into this writer, returning how many bytes were written.
@@ -1130,7 +1145,6 @@ pub trait Write {
@@ -1130,7 +1130,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1417,16 +1290,15 @@ index 14a16f3..07792b7 100644
fn write(&mut self, buf: &[u8]) -> Result<usize>;
/// Like `write`, except that it writes from a slice of buffers.
@@ -1141,7 +1155,7 @@ pub trait Write {
@@ -1141,7 +1140,6 @@ pub trait Write {
///
/// The default implementation calls `write` with either the first nonempty
/// buffer provided, or an empty one if none exists.
- #[unstable(feature = "iovec", issue = "58452")]
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> Result<usize> {
default_write_vectored(|b| self.write(b), bufs)
}
@@ -1169,7 +1183,6 @@ pub trait Write {
@@ -1169,7 +1167,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1434,7 +1306,7 @@ index 14a16f3..07792b7 100644
fn flush(&mut self) -> Result<()>;
/// Attempts to write an entire buffer into this writer.
@@ -1202,7 +1215,6 @@ pub trait Write {
@@ -1202,7 +1199,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1442,7 +1314,7 @@ index 14a16f3..07792b7 100644
fn write_all(&mut self, mut buf: &[u8]) -> Result<()> {
while !buf.is_empty() {
match self.write(buf) {
@@ -1254,7 +1266,6 @@ pub trait Write {
@@ -1254,7 +1250,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1450,7 +1322,7 @@ index 14a16f3..07792b7 100644
fn write_fmt(&mut self, fmt: fmt::Arguments) -> Result<()> {
// Create a shim which translates a Write to a fmt::Write and saves
// off I/O errors. instead of discarding them
@@ -1310,7 +1321,6 @@ pub trait Write {
@@ -1310,7 +1305,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1458,7 +1330,7 @@ index 14a16f3..07792b7 100644
fn by_ref(&mut self) -> &mut Self where Self: Sized { self }
}
@@ -1340,7 +1350,6 @@ pub trait Write {
@@ -1340,7 +1334,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1466,7 +1338,7 @@ index 14a16f3..07792b7 100644
pub trait Seek {
/// Seek to an offset, in bytes, in a stream.
///
@@ -1356,7 +1365,6 @@ pub trait Seek {
@@ -1356,7 +1349,6 @@ pub trait Seek {
/// Seeking to a negative offset is considered an error.
///
/// [`SeekFrom::Start`]: enum.SeekFrom.html#variant.Start
@ -1474,7 +1346,7 @@ index 14a16f3..07792b7 100644
fn seek(&mut self, pos: SeekFrom) -> Result<u64>;
/// Returns the length of this stream (in bytes).
@@ -1394,7 +1402,6 @@ pub trait Seek {
@@ -1394,7 +1386,6 @@ pub trait Seek {
/// Ok(())
/// }
/// ```
@ -1482,7 +1354,7 @@ index 14a16f3..07792b7 100644
fn stream_len(&mut self) -> Result<u64> {
let old_pos = self.stream_position()?;
let len = self.seek(SeekFrom::End(0))?;
@@ -1433,7 +1440,6 @@ pub trait Seek {
@@ -1433,7 +1424,6 @@ pub trait Seek {
/// Ok(())
/// }
/// ```
@ -1490,7 +1362,7 @@ index 14a16f3..07792b7 100644
fn stream_position(&mut self) -> Result<u64> {
self.seek(SeekFrom::Current(0))
}
@@ -1445,29 +1451,26 @@ pub trait Seek {
@@ -1445,29 +1435,26 @@ pub trait Seek {
///
/// [`Seek`]: trait.Seek.html
#[derive(Copy, PartialEq, Eq, Clone, Debug)]
@ -1524,7 +1396,7 @@ index 14a16f3..07792b7 100644
fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
-> Result<usize> {
let mut read = 0;
@@ -1547,7 +1550,7 @@ fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
@@ -1547,7 +1534,7 @@ fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
/// }
/// ```
///
@ -1533,7 +1405,7 @@ index 14a16f3..07792b7 100644
pub trait BufRead: Read {
/// Returns the contents of the internal buffer, filling it with more data
/// from the inner reader if it is empty.
@@ -1593,7 +1596,6 @@ pub trait BufRead: Read {
@@ -1593,7 +1580,6 @@ pub trait BufRead: Read {
/// // ensure the bytes we worked with aren't returned again later
/// stdin.consume(length);
/// ```
@ -1541,7 +1413,7 @@ index 14a16f3..07792b7 100644
fn fill_buf(&mut self) -> Result<&[u8]>;
/// Tells this buffer that `amt` bytes have been consumed from the buffer,
@@ -1615,7 +1617,6 @@ pub trait BufRead: Read {
@@ -1615,7 +1601,6 @@ pub trait BufRead: Read {
/// that method's example includes an example of `consume()`.
///
/// [`fill_buf`]: #tymethod.fill_buf
@ -1549,7 +1421,7 @@ index 14a16f3..07792b7 100644
fn consume(&mut self, amt: usize);
/// Read all bytes into `buf` until the delimiter `byte` or EOF is reached.
@@ -1671,7 +1672,6 @@ pub trait BufRead: Read {
@@ -1671,7 +1656,6 @@ pub trait BufRead: Read {
/// assert_eq!(num_bytes, 0);
/// assert_eq!(buf, b"");
/// ```
@ -1557,7 +1429,7 @@ index 14a16f3..07792b7 100644
fn read_until(&mut self, byte: u8, buf: &mut Vec<u8>) -> Result<usize> {
read_until(self, byte, buf)
}
@@ -1730,7 +1730,6 @@ pub trait BufRead: Read {
@@ -1730,7 +1714,6 @@ pub trait BufRead: Read {
/// assert_eq!(num_bytes, 0);
/// assert_eq!(buf, "");
/// ```
@ -1565,7 +1437,7 @@ index 14a16f3..07792b7 100644
fn read_line(&mut self, buf: &mut String) -> Result<usize> {
// Note that we are not calling the `.read_until` method here, but
// rather our hardcoded implementation. For more details as to why, see
@@ -1771,7 +1770,6 @@ pub trait BufRead: Read {
@@ -1771,7 +1754,6 @@ pub trait BufRead: Read {
/// assert_eq!(split_iter.next(), Some(b"dolor".to_vec()));
/// assert_eq!(split_iter.next(), None);
/// ```
@ -1573,7 +1445,7 @@ index 14a16f3..07792b7 100644
fn split(self, byte: u8) -> Split<Self> where Self: Sized {
Split { buf: self, delim: byte }
}
@@ -1810,7 +1808,6 @@ pub trait BufRead: Read {
@@ -1810,7 +1792,6 @@ pub trait BufRead: Read {
/// Each line of the iterator has the same error semantics as [`BufRead::read_line`].
///
/// [`BufRead::read_line`]: trait.BufRead.html#method.read_line
@ -1581,7 +1453,7 @@ index 14a16f3..07792b7 100644
fn lines(self) -> Lines<Self> where Self: Sized {
Lines { buf: self }
}
@@ -1822,7 +1819,6 @@ pub trait BufRead: Read {
@@ -1822,7 +1803,6 @@ pub trait BufRead: Read {
/// Please see the documentation of [`chain`] for more details.
///
/// [`chain`]: trait.Read.html#method.chain
@ -1589,7 +1461,7 @@ index 14a16f3..07792b7 100644
pub struct Chain<T, U> {
first: T,
second: U,
@@ -1848,7 +1844,6 @@ impl<T, U> Chain<T, U> {
@@ -1848,7 +1828,6 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1597,7 +1469,7 @@ index 14a16f3..07792b7 100644
pub fn into_inner(self) -> (T, U) {
(self.first, self.second)
}
@@ -1871,7 +1866,6 @@ impl<T, U> Chain<T, U> {
@@ -1871,7 +1850,6 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1605,7 +1477,7 @@ index 14a16f3..07792b7 100644
pub fn get_ref(&self) -> (&T, &U) {
(&self.first, &self.second)
}
@@ -1898,13 +1892,11 @@ impl<T, U> Chain<T, U> {
@@ -1898,13 +1876,11 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1619,7 +1491,7 @@ index 14a16f3..07792b7 100644
impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_struct("Chain")
@@ -1914,7 +1906,6 @@ impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
@@ -1914,7 +1890,6 @@ impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
}
}
@ -1627,15 +1499,7 @@ index 14a16f3..07792b7 100644
impl<T: Read, U: Read> Read for Chain<T, U> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
if !self.done_first {
@@ -1926,6 +1917,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
self.second.read(buf)
}
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> Result<usize> {
if !self.done_first {
match self.first.read_vectored(bufs)? {
@@ -1946,7 +1938,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
@@ -1946,7 +1921,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
}
}
@ -1644,7 +1508,7 @@ index 14a16f3..07792b7 100644
impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
fn fill_buf(&mut self) -> Result<&[u8]> {
if !self.done_first {
@@ -1973,7 +1965,6 @@ impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
@@ -1973,7 +1948,6 @@ impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
/// Please see the documentation of [`take`] for more details.
///
/// [`take`]: trait.Read.html#method.take
@ -1652,7 +1516,7 @@ index 14a16f3..07792b7 100644
#[derive(Debug)]
pub struct Take<T> {
inner: T,
@@ -2008,7 +1999,6 @@ impl<T> Take<T> {
@@ -2008,7 +1982,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1660,7 +1524,7 @@ index 14a16f3..07792b7 100644
pub fn limit(&self) -> u64 { self.limit }
/// Sets the number of bytes that can be read before this instance will
@@ -2034,7 +2024,6 @@ impl<T> Take<T> {
@@ -2034,7 +2007,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1668,7 +1532,7 @@ index 14a16f3..07792b7 100644
pub fn set_limit(&mut self, limit: u64) {
self.limit = limit;
}
@@ -2059,7 +2048,6 @@ impl<T> Take<T> {
@@ -2059,7 +2031,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1676,7 +1540,7 @@ index 14a16f3..07792b7 100644
pub fn into_inner(self) -> T {
self.inner
}
@@ -2084,7 +2072,6 @@ impl<T> Take<T> {
@@ -2084,7 +2055,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1684,7 +1548,7 @@ index 14a16f3..07792b7 100644
pub fn get_ref(&self) -> &T {
&self.inner
}
@@ -2113,13 +2100,11 @@ impl<T> Take<T> {
@@ -2113,13 +2083,11 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1698,16 +1562,16 @@ index 14a16f3..07792b7 100644
impl<T: Read> Read for Take<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
// Don't call into inner reader at all at EOF because it may still block
@@ -2136,15 +2121,9 @@ impl<T: Read> Read for Take<T> {
unsafe fn initializer(&self) -> Initializer {
@@ -2137,6 +2105,7 @@ impl<T: Read> Read for Take<T> {
self.inner.initializer()
}
-
- fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
- let reservation_size = cmp::min(self.limit, 32) as usize;
-
- read_to_end_with_reservation(self, buf, reservation_size)
- }
+ #[cfg(feature="collections")]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
let reservation_size = cmp::min(self.limit, 32) as usize;
@@ -2144,7 +2113,7 @@ impl<T: Read> Read for Take<T> {
}
}
-#[stable(feature = "rust1", since = "1.0.0")]
@ -1715,7 +1579,7 @@ index 14a16f3..07792b7 100644
impl<T: BufRead> BufRead for Take<T> {
fn fill_buf(&mut self) -> Result<&[u8]> {
// Don't call into inner reader at all at EOF because it may still block
@@ -2171,13 +2150,11 @@ impl<T: BufRead> BufRead for Take<T> {
@@ -2171,13 +2140,11 @@ impl<T: BufRead> BufRead for Take<T> {
/// Please see the documentation of [`bytes`] for more details.
///
/// [`bytes`]: trait.Read.html#method.bytes
@ -1729,7 +1593,7 @@ index 14a16f3..07792b7 100644
impl<R: Read> Iterator for Bytes<R> {
type Item = Result<u8>;
@@ -2201,14 +2178,14 @@ impl<R: Read> Iterator for Bytes<R> {
@@ -2201,14 +2168,14 @@ impl<R: Read> Iterator for Bytes<R> {
/// `BufRead`. Please see the documentation of `split()` for more details.
///
/// [split]: trait.BufRead.html#method.split
@ -1746,7 +1610,7 @@ index 14a16f3..07792b7 100644
impl<B: BufRead> Iterator for Split<B> {
type Item = Result<Vec<u8>>;
@@ -2233,13 +2210,13 @@ impl<B: BufRead> Iterator for Split<B> {
@@ -2233,13 +2200,13 @@ impl<B: BufRead> Iterator for Split<B> {
/// `BufRead`. Please see the documentation of `lines()` for more details.
///
/// [lines]: trait.BufRead.html#method.lines
@ -1789,8 +1653,8 @@ index 6aaf8f1..447ce47 100644
-use crate::io::{self, Read, Initializer, Write, ErrorKind, BufRead, IoVec, IoVecMut};
-use crate::mem;
+use core::fmt;
+use crate::io::{self, Read, Initializer, Write, ErrorKind};
+#[cfg(feature="collections")] use crate::io::{BufRead, IoVec, IoVecMut};
+use crate::io::{self, Read, Initializer, Write, ErrorKind, IoVec, IoVecMut};
+#[cfg(feature="collections")] use crate::io::BufRead;
+use core::mem;
/// Copies the entire contents of a reader into a writer.
@ -1859,15 +1723,7 @@ index 6aaf8f1..447ce47 100644
impl Read for Repeat {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
@@ -152,6 +146,7 @@ impl Read for Repeat {
Ok(buf.len())
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nwritten = 0;
@@ -167,7 +162,6 @@ impl Read for Repeat {
@@ -167,7 +161,6 @@ impl Read for Repeat {
}
}
@ -1875,7 +1731,7 @@ index 6aaf8f1..447ce47 100644
impl fmt::Debug for Repeat {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.pad("Repeat { .. }")
@@ -180,7 +174,6 @@ impl fmt::Debug for Repeat {
@@ -180,7 +173,6 @@ impl fmt::Debug for Repeat {
/// see the documentation of `sink()` for more details.
///
/// [sink]: fn.sink.html
@ -1883,7 +1739,7 @@ index 6aaf8f1..447ce47 100644
pub struct Sink { _priv: () }
/// Creates an instance of a writer which will successfully consume all data.
@@ -197,14 +190,13 @@ pub struct Sink { _priv: () }
@@ -197,10 +189,8 @@ pub struct Sink { _priv: () }
/// let num_bytes = io::sink().write(&buffer).unwrap();
/// assert_eq!(num_bytes, 5);
/// ```
@ -1894,12 +1750,7 @@ index 6aaf8f1..447ce47 100644
impl Write for Sink {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { Ok(buf.len()) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let total_len = bufs.iter().map(|b| b.len()).sum();
@@ -215,7 +207,6 @@ impl Write for Sink {
@@ -215,7 +205,6 @@ impl Write for Sink {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}

22
patches/b9adc3327ec7d2820ab2db8bb3cc2a0196a8375d.patch
View File

@ -1401,16 +1401,16 @@ index e263db2..2176464 100644
impl<T: Read> Read for Take<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1907,15 +1856,9 @@ impl<T: Read> Read for Take<T> {
unsafe fn initializer(&self) -> Initializer {
@@ -1908,6 +1857,7 @@ impl<T: Read> Read for Take<T> {
self.inner.initializer()
}
-
- fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
- let reservation_size = cmp::min(self.limit, 32) as usize;
-
- read_to_end_with_reservation(self, buf, reservation_size)
- }
+ #[cfg(feature="collections")]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
let reservation_size = cmp::min(self.limit, 32) as usize;
@@ -1915,7 +1865,7 @@ impl<T: Read> Read for Take<T> {
}
}
-#[stable(feature = "rust1", since = "1.0.0")]
@ -1418,7 +1418,7 @@ index e263db2..2176464 100644
impl<T: BufRead> BufRead for Take<T> {
fn fill_buf(&mut self) -> Result<&[u8]> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1954,13 +1897,11 @@ fn read_one_byte(reader: &mut dyn Read) -> Option<Result<u8>> {
@@ -1954,13 +1904,11 @@ fn read_one_byte(reader: &mut dyn Read) -> Option<Result<u8>> {
/// Please see the documentation of [`bytes`] for more details.
///
/// [`bytes`]: trait.Read.html#method.bytes
@ -1432,7 +1432,7 @@ index e263db2..2176464 100644
impl<R: Read> Iterator for Bytes<R> {
type Item = Result<u8>;
@@ -1976,14 +1917,14 @@ impl<R: Read> Iterator for Bytes<R> {
@@ -1976,14 +1924,14 @@ impl<R: Read> Iterator for Bytes<R> {
/// `BufRead`. Please see the documentation of `split()` for more details.
///
/// [split]: trait.BufRead.html#method.split
@ -1449,7 +1449,7 @@ index e263db2..2176464 100644
impl<B: BufRead> Iterator for Split<B> {
type Item = Result<Vec<u8>>;
@@ -2008,13 +1949,13 @@ impl<B: BufRead> Iterator for Split<B> {
@@ -2008,13 +1956,13 @@ impl<B: BufRead> Iterator for Split<B> {
/// `BufRead`. Please see the documentation of `lines()` for more details.
///
/// [lines]: trait.BufRead.html#method.lines

329
patches/c0e8cf94103289c424c62ca48e1e3f56e352a84a.patch
View File

@ -15,7 +15,7 @@ index 559a54d..bd888d2 100644
+use core::fmt;
use crate::io::{self, Initializer, DEFAULT_BUF_SIZE, Error, ErrorKind, SeekFrom, IoVec, IoVecMut};
-use crate::memchr;
+use io::memchr;
+use crate::io::memchr;
/// The `BufReader` struct adds buffering to any reader.
///
@ -311,21 +311,19 @@ diff --git a/cursor.rs b/cursor.rs
index 873da08..3d39e57 100644
--- a/cursor.rs
+++ b/cursor.rs
@@ -1,9 +1,10 @@
@@ -1,9 +1,9 @@
use crate::io::prelude::*;
-use crate::cmp;
-use crate::io::{self, Initializer, SeekFrom, Error, ErrorKind, IoVec, IoVecMut};
+use core::cmp;
+use crate::io::{self, Initializer, SeekFrom, Error, ErrorKind};
+#[cfg(feature="collections")] use crate::io::{IoVec, IoVecMut};
use crate::io::{self, Initializer, SeekFrom, Error, ErrorKind, IoVec, IoVecMut};
-use core::convert::TryInto;
+#[cfg(feature="collections")] use core::convert::TryInto;
/// A `Cursor` wraps an in-memory buffer and provides it with a
/// [`Seek`] implementation.
@@ -71,7 +72,6 @@ use core::convert::TryInto;
@@ -71,7 +71,6 @@ use core::convert::TryInto;
/// assert_eq!(&buff.get_ref()[5..15], &[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]);
/// }
/// ```
@ -333,7 +331,7 @@ index 873da08..3d39e57 100644
#[derive(Clone, Debug)]
pub struct Cursor<T> {
inner: T,
@@ -94,7 +94,6 @@ impl<T> Cursor<T> {
@@ -94,7 +93,6 @@ impl<T> Cursor<T> {
/// # fn force_inference(_: &Cursor<Vec<u8>>) {}
/// # force_inference(&buff);
/// ```
@ -341,7 +339,7 @@ index 873da08..3d39e57 100644
pub fn new(inner: T) -> Cursor<T> {
Cursor { pos: 0, inner: inner }
}
@@ -112,7 +111,6 @@ impl<T> Cursor<T> {
@@ -112,7 +110,6 @@ impl<T> Cursor<T> {
///
/// let vec = buff.into_inner();
/// ```
@ -349,7 +347,7 @@ index 873da08..3d39e57 100644
pub fn into_inner(self) -> T { self.inner }
/// Gets a reference to the underlying value in this cursor.
@@ -128,7 +126,6 @@ impl<T> Cursor<T> {
@@ -128,7 +125,6 @@ impl<T> Cursor<T> {
///
/// let reference = buff.get_ref();
/// ```
@ -357,7 +355,7 @@ index 873da08..3d39e57 100644
pub fn get_ref(&self) -> &T { &self.inner }
/// Gets a mutable reference to the underlying value in this cursor.
@@ -147,7 +144,6 @@ impl<T> Cursor<T> {
@@ -147,7 +143,6 @@ impl<T> Cursor<T> {
///
/// let reference = buff.get_mut();
/// ```
@ -365,7 +363,7 @@ index 873da08..3d39e57 100644
pub fn get_mut(&mut self) -> &mut T { &mut self.inner }
/// Returns the current position of this cursor.
@@ -169,7 +165,6 @@ impl<T> Cursor<T> {
@@ -169,7 +164,6 @@ impl<T> Cursor<T> {
/// buff.seek(SeekFrom::Current(-1)).unwrap();
/// assert_eq!(buff.position(), 1);
/// ```
@ -373,7 +371,7 @@ index 873da08..3d39e57 100644
pub fn position(&self) -> u64 { self.pos }
/// Sets the position of this cursor.
@@ -189,11 +184,9 @@ impl<T> Cursor<T> {
@@ -189,11 +183,9 @@ impl<T> Cursor<T> {
/// buff.set_position(4);
/// assert_eq!(buff.position(), 4);
/// ```
@ -385,7 +383,7 @@ index 873da08..3d39e57 100644
impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
fn seek(&mut self, style: SeekFrom) -> io::Result<u64> {
let (base_pos, offset) = match style {
@@ -214,14 +207,14 @@ impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
@@ -214,10 +206,9 @@ impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
}
}
@ -397,12 +395,7 @@ index 873da08..3d39e57 100644
self.pos += n as u64;
Ok(n)
}
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nread = 0;
for buf in bufs {
@@ -236,7 +229,7 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
@@ -236,7 +227,7 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
fn read_exact(&mut self, buf: &mut [u8]) -> io::Result<()> {
let n = buf.len();
@ -411,7 +404,7 @@ index 873da08..3d39e57 100644
self.pos += n as u64;
Ok(())
}
@@ -247,12 +240,16 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
@@ -247,12 +238,16 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
}
}
@ -431,15 +424,7 @@ index 873da08..3d39e57 100644
fn consume(&mut self, amt: usize) { self.pos += amt as u64; }
}
@@ -264,6 +261,7 @@ fn slice_write(pos_mut: &mut u64, slice: &mut [u8], buf: &[u8]) -> io::Result<us
Ok(amt)
}
+#[cfg(feature="collections")]
fn slice_write_vectored(
pos_mut: &mut u64,
slice: &mut [u8],
@@ -282,6 +280,7 @@ fn slice_write_vectored(
@@ -282,6 +277,7 @@ fn slice_write_vectored(
}
// Resizing write implementation
@ -447,7 +432,7 @@ index 873da08..3d39e57 100644
fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usize> {
let pos: usize = (*pos_mut).try_into().map_err(|_| {
Error::new(ErrorKind::InvalidInput,
@@ -308,6 +307,7 @@ fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usi
@@ -308,6 +304,7 @@ fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usi
Ok(buf.len())
}
@ -455,7 +440,7 @@ index 873da08..3d39e57 100644
fn vec_write_vectored(
pos_mut: &mut u64,
vec: &mut Vec<u8>,
@@ -321,13 +321,13 @@ fn vec_write_vectored(
@@ -321,7 +318,6 @@ fn vec_write_vectored(
Ok(nwritten)
}
@ -463,14 +448,7 @@ index 873da08..3d39e57 100644
impl Write for Cursor<&mut [u8]> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
slice_write(&mut self.pos, self.inner, buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
slice_write_vectored(&mut self.pos, self.inner, bufs)
@@ -336,12 +336,13 @@ impl Write for Cursor<&mut [u8]> {
@@ -336,7 +332,7 @@ impl Write for Cursor<&mut [u8]> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -479,13 +457,7 @@ index 873da08..3d39e57 100644
impl Write for Cursor<&mut Vec<u8>> {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
vec_write(&mut self.pos, self.inner, buf)
}
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
vec_write_vectored(&mut self.pos, self.inner, bufs)
}
@@ -349,12 +350,13 @@ impl Write for Cursor<&mut Vec<u8>> {
@@ -349,7 +345,7 @@ impl Write for Cursor<&mut Vec<u8>> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -494,13 +466,7 @@ index 873da08..3d39e57 100644
impl Write for Cursor<Vec<u8>> {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
vec_write(&mut self.pos, &mut self.inner, buf)
}
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
vec_write_vectored(&mut self.pos, &mut self.inner, bufs)
}
@@ -362,13 +364,14 @@ impl Write for Cursor<Vec<u8>> {
@@ -362,8 +358,8 @@ impl Write for Cursor<Vec<u8>> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -511,12 +477,6 @@ index 873da08..3d39e57 100644
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
slice_write(&mut self.pos, &mut self.inner, buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
slice_write_vectored(&mut self.pos, &mut self.inner, bufs)
diff --git a/error.rs b/error.rs
index fdc5625..e4ce8b5 100644
--- a/error.rs
@ -836,7 +796,7 @@ diff --git a/impls.rs b/impls.rs
index b286e40..7472d9c 100644
--- a/impls.rs
+++ b/impls.rs
@@ -1,19 +1,22 @@
@@ -1,13 +1,15 @@
-use crate::cmp;
-use crate::io::{self, SeekFrom, Read, Initializer, Write, Seek, BufRead, Error, ErrorKind, IoVecMut,
- IoVec};
@ -844,8 +804,8 @@ index b286e40..7472d9c 100644
-use crate::mem;
+#[cfg(feature="alloc")] use alloc::boxed::Box;
+use core::cmp;
+use crate::io::{self, SeekFrom, Read, Initializer, Write, Seek, Error, ErrorKind};
+#[cfg(feature="collections")] use crate::io::{BufRead, IoVecMut, IoVec};
+use crate::io::{self, SeekFrom, Read, Initializer, Write, Seek, Error, ErrorKind, IoVecMut, IoVec};
+#[cfg(feature="collections")] use crate::io::BufRead;
+use core::fmt;
+use core::mem;
+#[cfg(feature="collections")] use collections::string::String;
@ -858,14 +818,7 @@ index b286e40..7472d9c 100644
impl<R: Read + ?Sized> Read for &mut R {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
(**self).read(buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
(**self).read_vectored(bufs)
@@ -24,11 +27,13 @@ impl<R: Read + ?Sized> Read for &mut R {
@@ -24,11 +26,13 @@ impl<R: Read + ?Sized> Read for &mut R {
(**self).initializer()
}
@ -879,7 +832,7 @@ index b286e40..7472d9c 100644
#[inline]
fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> {
(**self).read_to_string(buf)
@@ -39,11 +44,11 @@ impl<R: Read + ?Sized> Read for &mut R {
@@ -39,7 +43,6 @@ impl<R: Read + ?Sized> Read for &mut R {
(**self).read_exact(buf)
}
}
@ -887,12 +840,7 @@ index b286e40..7472d9c 100644
impl<W: Write + ?Sized> Write for &mut W {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { (**self).write(buf) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
(**self).write_vectored(bufs)
@@ -62,12 +67,11 @@ impl<W: Write + ?Sized> Write for &mut W {
@@ -62,12 +65,11 @@ impl<W: Write + ?Sized> Write for &mut W {
(**self).write_fmt(fmt)
}
}
@ -906,7 +854,7 @@ index b286e40..7472d9c 100644
impl<B: BufRead + ?Sized> BufRead for &mut B {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { (**self).fill_buf() }
@@ -86,13 +90,14 @@ impl<B: BufRead + ?Sized> BufRead for &mut B {
@@ -86,7 +88,7 @@ impl<B: BufRead + ?Sized> BufRead for &mut B {
}
}
@ -915,14 +863,7 @@ index b286e40..7472d9c 100644
impl<R: Read + ?Sized> Read for Box<R> {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
(**self).read(buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
(**self).read_vectored(bufs)
@@ -103,11 +108,13 @@ impl<R: Read + ?Sized> Read for Box<R> {
@@ -103,11 +105,13 @@ impl<R: Read + ?Sized> Read for Box<R> {
(**self).initializer()
}
@ -936,7 +877,7 @@ index b286e40..7472d9c 100644
#[inline]
fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> {
(**self).read_to_string(buf)
@@ -118,11 +125,12 @@ impl<R: Read + ?Sized> Read for Box<R> {
@@ -118,7 +122,7 @@ impl<R: Read + ?Sized> Read for Box<R> {
(**self).read_exact(buf)
}
}
@ -945,12 +886,7 @@ index b286e40..7472d9c 100644
impl<W: Write + ?Sized> Write for Box<W> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { (**self).write(buf) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
(**self).write_vectored(bufs)
@@ -141,12 +149,12 @@ impl<W: Write + ?Sized> Write for Box<W> {
@@ -141,12 +145,12 @@ impl<W: Write + ?Sized> Write for Box<W> {
(**self).write_fmt(fmt)
}
}
@ -965,7 +901,7 @@ index b286e40..7472d9c 100644
impl<B: BufRead + ?Sized> BufRead for Box<B> {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { (**self).fill_buf() }
@@ -186,7 +194,6 @@ impl Write for Box<dyn (::realstd::io::Write) + Send> {
@@ -186,7 +190,6 @@ impl Write for Box<dyn (::realstd::io::Write) + Send> {
///
/// Note that reading updates the slice to point to the yet unread part.
/// The slice will be empty when EOF is reached.
@ -973,15 +909,7 @@ index b286e40..7472d9c 100644
impl Read for &[u8] {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
@@ -206,6 +213,7 @@ impl Read for &[u8] {
Ok(amt)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nread = 0;
@@ -245,6 +253,7 @@ impl Read for &[u8] {
@@ -245,6 +248,7 @@ impl Read for &[u8] {
Ok(())
}
@ -989,7 +917,7 @@ index b286e40..7472d9c 100644
#[inline]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> io::Result<usize> {
buf.extend_from_slice(*self);
@@ -254,7 +263,7 @@ impl Read for &[u8] {
@@ -254,7 +258,7 @@ impl Read for &[u8] {
}
}
@ -998,7 +926,7 @@ index b286e40..7472d9c 100644
impl BufRead for &[u8] {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { Ok(*self) }
@@ -268,7 +277,6 @@ impl BufRead for &[u8] {
@@ -268,7 +272,6 @@ impl BufRead for &[u8] {
///
/// Note that writing updates the slice to point to the yet unwritten part.
/// The slice will be empty when it has been completely overwritten.
@ -1006,15 +934,7 @@ index b286e40..7472d9c 100644
impl Write for &mut [u8] {
#[inline]
fn write(&mut self, data: &[u8]) -> io::Result<usize> {
@@ -279,6 +287,7 @@ impl Write for &mut [u8] {
Ok(amt)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let mut nwritten = 0;
@@ -307,7 +316,7 @@ impl Write for &mut [u8] {
@@ -307,7 +310,7 @@ impl Write for &mut [u8] {
/// Write is implemented for `Vec<u8>` by appending to the vector.
/// The vector will grow as needed.
@ -1023,14 +943,6 @@ index b286e40..7472d9c 100644
impl Write for Vec<u8> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
@@ -315,6 +324,7 @@ impl Write for Vec<u8> {
Ok(buf.len())
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let len = bufs.iter().map(|b| b.len()).sum();
diff --git a/mod.rs b/mod.rs
index e3e2754..400eca6 100644
--- a/mod.rs
@ -1064,9 +976,9 @@ index e3e2754..400eca6 100644
+mod memchr;
+#[cfg(all(feature="collections",core_memchr))]
+use core::slice::memchr;
+#[cfg(feature="collections")] use core::ops::{Deref, DerefMut};
+use core::ptr;
+use core::slice;
+use core::ops::{Deref, DerefMut};
+use core::ptr;
+
+#[cfg(feature="collections")] pub use self::buffered::{BufReader, BufWriter, LineWriter};
+#[cfg(feature="collections")] pub use self::buffered::IntoInnerError;
@ -1142,16 +1054,15 @@ index e3e2754..400eca6 100644
fn read(&mut self, buf: &mut [u8]) -> Result<usize>;
/// Like `read`, except that it reads into a slice of buffers.
@@ -530,7 +519,7 @@ pub trait Read {
@@ -530,7 +519,6 @@ pub trait Read {
///
/// The default implementation simply passes the first nonempty buffer to
/// `read`.
- #[unstable(feature = "iovec", issue = "58452")]
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> Result<usize> {
match bufs.iter_mut().find(|b| !b.is_empty()) {
Some(buf) => self.read(buf),
@@ -560,7 +549,6 @@ pub trait Read {
@@ -560,7 +548,6 @@ pub trait Read {
///
/// [`Initializer::nop()`]: ../../std/io/struct.Initializer.html#method.nop
/// [`Initializer`]: ../../std/io/struct.Initializer.html
@ -1159,7 +1070,7 @@ index e3e2754..400eca6 100644
#[inline]
unsafe fn initializer(&self) -> Initializer {
Initializer::zeroing()
@@ -613,7 +601,7 @@ pub trait Read {
@@ -613,7 +600,7 @@ pub trait Read {
/// file.)
///
/// [`std::fs::read`]: ../fs/fn.read.html
@ -1168,7 +1079,7 @@ index e3e2754..400eca6 100644
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
read_to_end(self, buf)
}
@@ -656,7 +644,7 @@ pub trait Read {
@@ -656,7 +643,7 @@ pub trait Read {
/// reading from a file.)
///
/// [`std::fs::read_to_string`]: ../fs/fn.read_to_string.html
@ -1177,7 +1088,7 @@ index e3e2754..400eca6 100644
fn read_to_string(&mut self, buf: &mut String) -> Result<usize> {
// Note that we do *not* call `.read_to_end()` here. We are passing
// `&mut Vec<u8>` (the raw contents of `buf`) into the `read_to_end`
@@ -719,7 +707,6 @@ pub trait Read {
@@ -719,7 +706,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1185,7 +1096,7 @@ index e3e2754..400eca6 100644
fn read_exact(&mut self, mut buf: &mut [u8]) -> Result<()> {
while !buf.is_empty() {
match self.read(buf) {
@@ -771,7 +758,6 @@ pub trait Read {
@@ -771,7 +757,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1193,7 +1104,7 @@ index e3e2754..400eca6 100644
fn by_ref(&mut self) -> &mut Self where Self: Sized { self }
/// Transforms this `Read` instance to an [`Iterator`] over its bytes.
@@ -808,7 +794,6 @@ pub trait Read {
@@ -808,7 +793,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1201,7 +1112,7 @@ index e3e2754..400eca6 100644
fn bytes(self) -> Bytes<Self> where Self: Sized {
Bytes { inner: self }
}
@@ -843,7 +828,6 @@ pub trait Read {
@@ -843,7 +827,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1209,7 +1120,7 @@ index e3e2754..400eca6 100644
fn chain<R: Read>(self, next: R) -> Chain<Self, R> where Self: Sized {
Chain { first: self, second: next, done_first: false }
}
@@ -879,42 +863,77 @@ pub trait Read {
@@ -879,22 +862,52 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1219,10 +1130,8 @@ index e3e2754..400eca6 100644
}
}
+#[cfg(feature="collections")]
+pub struct IoVecBuffer<'a>(&'a [u8]);
+
+#[cfg(feature="collections")]
+impl<'a> IoVecBuffer<'a> {
+ #[inline]
+ pub fn new(buf: &'a [u8]) -> IoVecBuffer<'a> {
@ -1234,10 +1143,9 @@ index e3e2754..400eca6 100644
+ self.0
+ }
+}
+#[cfg(feature="collections")]
+
+pub struct IoVecMutBuffer<'a>(&'a mut [u8]);
+
+#[cfg(feature="collections")]
+impl<'a> IoVecMutBuffer<'a> {
+ #[inline]
+ pub fn new(buf: &'a mut [u8]) -> IoVecMutBuffer<'a> {
@ -1261,23 +1169,15 @@ index e3e2754..400eca6 100644
/// ABI compatible with the `iovec` type on Unix platforms and `WSABUF` on
/// Windows.
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
#[repr(transparent)]
-pub struct IoVecMut<'a>(sys::io::IoVecMut<'a>);
+pub struct IoVecMut<'a>(IoVecMutBuffer<'a>);
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> fmt::Debug for IoVecMut<'a> {
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
fmt::Debug::fmt(self.0.as_slice(), fmt)
}
}
+#[cfg(feature="collections")]
impl<'a> IoVecMut<'a> {
/// Creates a new `IoVecMut` wrapping a byte slice.
///
@@ -907,14 +920,12 @@ impl<'a> IoVecMut<'a> {
/// # Panics
///
/// Panics on Windows if the slice is larger than 4GB.
@ -1290,41 +1190,31 @@ index e3e2754..400eca6 100644
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> Deref for IoVecMut<'a> {
type Target = [u8];
@@ -924,7 +943,7 @@ impl<'a> Deref for IoVecMut<'a> {
@@ -924,7 +935,6 @@ impl<'a> Deref for IoVecMut<'a> {
}
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> DerefMut for IoVecMut<'a> {
#[inline]
fn deref_mut(&mut self) -> &mut [u8] {
@@ -937,31 +956,31 @@ impl<'a> DerefMut for IoVecMut<'a> {
@@ -937,11 +947,9 @@ impl<'a> DerefMut for IoVecMut<'a> {
/// It is semantically a wrapper around an `&[u8]`, but is guaranteed to be
/// ABI compatible with the `iovec` type on Unix platforms and `WSABUF` on
/// Windows.
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
#[repr(transparent)]
-pub struct IoVec<'a>(sys::io::IoVec<'a>);
+pub struct IoVec<'a>(IoVecBuffer<'a>);
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> fmt::Debug for IoVec<'a> {
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
fmt::Debug::fmt(self.0.as_slice(), fmt)
}
}
+#[cfg(feature="collections")]
impl<'a> IoVec<'a> {
/// Creates a new `IoVec` wrapping a byte slice.
///
@@ -954,14 +962,12 @@ impl<'a> IoVec<'a> {
/// # Panics
///
/// Panics on Windows if the slice is larger than 4GB.
@ -1337,11 +1227,10 @@ index e3e2754..400eca6 100644
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> Deref for IoVec<'a> {
type Target = [u8];
@@ -972,13 +991,11 @@ impl<'a> Deref for IoVec<'a> {
@@ -972,13 +978,11 @@ impl<'a> Deref for IoVec<'a> {
}
/// A type used to conditionally initialize buffers passed to `Read` methods.
@ -1355,7 +1244,7 @@ index e3e2754..400eca6 100644
#[inline]
pub fn zeroing() -> Initializer {
Initializer(true)
@@ -992,21 +1009,18 @@ impl Initializer {
@@ -992,21 +996,18 @@ impl Initializer {
/// read from buffers passed to `Read` methods, and that the return value of
/// the method accurately reflects the number of bytes that have been
/// written to the head of the buffer.
@ -1377,7 +1266,7 @@ index e3e2754..400eca6 100644
#[inline]
pub fn initialize(&self, buf: &mut [u8]) {
if self.should_initialize() {
@@ -1049,7 +1063,6 @@ impl Initializer {
@@ -1049,7 +1050,6 @@ impl Initializer {
/// Ok(())
/// }
/// ```
@ -1385,7 +1274,7 @@ index e3e2754..400eca6 100644
#[doc(spotlight)]
pub trait Write {
/// Write a buffer into this writer, returning how many bytes were written.
@@ -1098,7 +1111,6 @@ pub trait Write {
@@ -1098,7 +1098,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1393,16 +1282,15 @@ index e3e2754..400eca6 100644
fn write(&mut self, buf: &[u8]) -> Result<usize>;
/// Like `write`, except that it writes from a slice of buffers.
@@ -1109,7 +1121,7 @@ pub trait Write {
@@ -1109,7 +1108,6 @@ pub trait Write {
///
/// The default implementation simply passes the first nonempty buffer to
/// `write`.
- #[unstable(feature = "iovec", issue = "58452")]
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> Result<usize> {
match bufs.iter().find(|b| !b.is_empty()) {
Some(buf) => self.write(buf),
@@ -1140,7 +1152,6 @@ pub trait Write {
@@ -1140,7 +1138,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1410,7 +1298,7 @@ index e3e2754..400eca6 100644
fn flush(&mut self) -> Result<()>;
/// Attempts to write an entire buffer into this writer.
@@ -1173,7 +1184,6 @@ pub trait Write {
@@ -1173,7 +1170,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1418,7 +1306,7 @@ index e3e2754..400eca6 100644
fn write_all(&mut self, mut buf: &[u8]) -> Result<()> {
while !buf.is_empty() {
match self.write(buf) {
@@ -1225,7 +1235,6 @@ pub trait Write {
@@ -1225,7 +1221,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1426,7 +1314,7 @@ index e3e2754..400eca6 100644
fn write_fmt(&mut self, fmt: fmt::Arguments) -> Result<()> {
// Create a shim which translates a Write to a fmt::Write and saves
// off I/O errors. instead of discarding them
@@ -1281,7 +1290,6 @@ pub trait Write {
@@ -1281,7 +1276,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1434,7 +1322,7 @@ index e3e2754..400eca6 100644
fn by_ref(&mut self) -> &mut Self where Self: Sized { self }
}
@@ -1311,7 +1319,6 @@ pub trait Write {
@@ -1311,7 +1305,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1442,7 +1330,7 @@ index e3e2754..400eca6 100644
pub trait Seek {
/// Seek to an offset, in bytes, in a stream.
///
@@ -1327,7 +1334,6 @@ pub trait Seek {
@@ -1327,7 +1320,6 @@ pub trait Seek {
/// Seeking to a negative offset is considered an error.
///
/// [`SeekFrom::Start`]: enum.SeekFrom.html#variant.Start
@ -1450,7 +1338,7 @@ index e3e2754..400eca6 100644
fn seek(&mut self, pos: SeekFrom) -> Result<u64>;
}
@@ -1337,29 +1343,26 @@ pub trait Seek {
@@ -1337,29 +1329,26 @@ pub trait Seek {
///
/// [`Seek`]: trait.Seek.html
#[derive(Copy, PartialEq, Eq, Clone, Debug)]
@ -1484,7 +1372,7 @@ index e3e2754..400eca6 100644
fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
-> Result<usize> {
let mut read = 0;
@@ -1439,7 +1442,7 @@ fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
@@ -1439,7 +1428,7 @@ fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
/// }
/// ```
///
@ -1493,7 +1381,7 @@ index e3e2754..400eca6 100644
pub trait BufRead: Read {
/// Returns the contents of the internal buffer, filling it with more data
/// from the inner reader if it is empty.
@@ -1485,7 +1488,6 @@ pub trait BufRead: Read {
@@ -1485,7 +1474,6 @@ pub trait BufRead: Read {
/// // ensure the bytes we worked with aren't returned again later
/// stdin.consume(length);
/// ```
@ -1501,7 +1389,7 @@ index e3e2754..400eca6 100644
fn fill_buf(&mut self) -> Result<&[u8]>;
/// Tells this buffer that `amt` bytes have been consumed from the buffer,
@@ -1507,7 +1509,6 @@ pub trait BufRead: Read {
@@ -1507,7 +1495,6 @@ pub trait BufRead: Read {
/// that method's example includes an example of `consume()`.
///
/// [`fill_buf`]: #tymethod.fill_buf
@ -1509,7 +1397,7 @@ index e3e2754..400eca6 100644
fn consume(&mut self, amt: usize);
/// Read all bytes into `buf` until the delimiter `byte` or EOF is reached.
@@ -1563,7 +1564,6 @@ pub trait BufRead: Read {
@@ -1563,7 +1550,6 @@ pub trait BufRead: Read {
/// assert_eq!(num_bytes, 0);
/// assert_eq!(buf, b"");
/// ```
@ -1517,7 +1405,7 @@ index e3e2754..400eca6 100644
fn read_until(&mut self, byte: u8, buf: &mut Vec<u8>) -> Result<usize> {
read_until(self, byte, buf)
}
@@ -1622,7 +1622,6 @@ pub trait BufRead: Read {
@@ -1622,7 +1608,6 @@ pub trait BufRead: Read {
/// assert_eq!(num_bytes, 0);
/// assert_eq!(buf, "");
/// ```
@ -1525,7 +1413,7 @@ index e3e2754..400eca6 100644
fn read_line(&mut self, buf: &mut String) -> Result<usize> {
// Note that we are not calling the `.read_until` method here, but
// rather our hardcoded implementation. For more details as to why, see
@@ -1663,7 +1662,6 @@ pub trait BufRead: Read {
@@ -1663,7 +1648,6 @@ pub trait BufRead: Read {
/// assert_eq!(split_iter.next(), Some(b"dolor".to_vec()));
/// assert_eq!(split_iter.next(), None);
/// ```
@ -1533,7 +1421,7 @@ index e3e2754..400eca6 100644
fn split(self, byte: u8) -> Split<Self> where Self: Sized {
Split { buf: self, delim: byte }
}
@@ -1702,7 +1700,6 @@ pub trait BufRead: Read {
@@ -1702,7 +1686,6 @@ pub trait BufRead: Read {
/// Each line of the iterator has the same error semantics as [`BufRead::read_line`].
///
/// [`BufRead::read_line`]: trait.BufRead.html#method.read_line
@ -1541,7 +1429,7 @@ index e3e2754..400eca6 100644
fn lines(self) -> Lines<Self> where Self: Sized {
Lines { buf: self }
}
@@ -1714,7 +1711,6 @@ pub trait BufRead: Read {
@@ -1714,7 +1697,6 @@ pub trait BufRead: Read {
/// Please see the documentation of [`chain`] for more details.
///
/// [`chain`]: trait.Read.html#method.chain
@ -1549,7 +1437,7 @@ index e3e2754..400eca6 100644
pub struct Chain<T, U> {
first: T,
second: U,
@@ -1740,7 +1736,6 @@ impl<T, U> Chain<T, U> {
@@ -1740,7 +1722,6 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1557,7 +1445,7 @@ index e3e2754..400eca6 100644
pub fn into_inner(self) -> (T, U) {
(self.first, self.second)
}
@@ -1763,7 +1758,6 @@ impl<T, U> Chain<T, U> {
@@ -1763,7 +1744,6 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1565,7 +1453,7 @@ index e3e2754..400eca6 100644
pub fn get_ref(&self) -> (&T, &U) {
(&self.first, &self.second)
}
@@ -1790,13 +1784,11 @@ impl<T, U> Chain<T, U> {
@@ -1790,13 +1770,11 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1579,7 +1467,7 @@ index e3e2754..400eca6 100644
impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_struct("Chain")
@@ -1806,7 +1798,6 @@ impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
@@ -1806,7 +1784,6 @@ impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
}
}
@ -1587,15 +1475,7 @@ index e3e2754..400eca6 100644
impl<T: Read, U: Read> Read for Chain<T, U> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
if !self.done_first {
@@ -1818,6 +1809,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
self.second.read(buf)
}
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> Result<usize> {
if !self.done_first {
match self.first.read_vectored(bufs)? {
@@ -1838,7 +1830,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
@@ -1838,7 +1815,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
}
}
@ -1604,7 +1484,7 @@ index e3e2754..400eca6 100644
impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
fn fill_buf(&mut self) -> Result<&[u8]> {
if !self.done_first {
@@ -1865,7 +1857,6 @@ impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
@@ -1865,7 +1842,6 @@ impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
/// Please see the documentation of [`take`] for more details.
///
/// [`take`]: trait.Read.html#method.take
@ -1612,7 +1492,7 @@ index e3e2754..400eca6 100644
#[derive(Debug)]
pub struct Take<T> {
inner: T,
@@ -1900,7 +1891,6 @@ impl<T> Take<T> {
@@ -1900,7 +1876,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1620,7 +1500,7 @@ index e3e2754..400eca6 100644
pub fn limit(&self) -> u64 { self.limit }
/// Sets the number of bytes that can be read before this instance will
@@ -1926,7 +1916,6 @@ impl<T> Take<T> {
@@ -1926,7 +1901,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1628,7 +1508,7 @@ index e3e2754..400eca6 100644
pub fn set_limit(&mut self, limit: u64) {
self.limit = limit;
}
@@ -1951,7 +1940,6 @@ impl<T> Take<T> {
@@ -1951,7 +1925,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1636,7 +1516,7 @@ index e3e2754..400eca6 100644
pub fn into_inner(self) -> T {
self.inner
}
@@ -1976,7 +1964,6 @@ impl<T> Take<T> {
@@ -1976,7 +1949,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1644,7 +1524,7 @@ index e3e2754..400eca6 100644
pub fn get_ref(&self) -> &T {
&self.inner
}
@@ -2005,13 +1992,11 @@ impl<T> Take<T> {
@@ -2005,13 +1977,11 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1658,16 +1538,16 @@ index e3e2754..400eca6 100644
impl<T: Read> Read for Take<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
// Don't call into inner reader at all at EOF because it may still block
@@ -2028,15 +2013,9 @@ impl<T: Read> Read for Take<T> {
unsafe fn initializer(&self) -> Initializer {
@@ -2029,6 +1999,7 @@ impl<T: Read> Read for Take<T> {
self.inner.initializer()
}
-
- fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
- let reservation_size = cmp::min(self.limit, 32) as usize;
-
- read_to_end_with_reservation(self, buf, reservation_size)
- }
+ #[cfg(feature="collections")]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
let reservation_size = cmp::min(self.limit, 32) as usize;
@@ -2036,7 +2007,7 @@ impl<T: Read> Read for Take<T> {
}
}
-#[stable(feature = "rust1", since = "1.0.0")]
@ -1675,7 +1555,7 @@ index e3e2754..400eca6 100644
impl<T: BufRead> BufRead for Take<T> {
fn fill_buf(&mut self) -> Result<&[u8]> {
// Don't call into inner reader at all at EOF because it may still block
@@ -2063,13 +2042,11 @@ impl<T: BufRead> BufRead for Take<T> {
@@ -2063,13 +2034,11 @@ impl<T: BufRead> BufRead for Take<T> {
/// Please see the documentation of [`bytes`] for more details.
///
/// [`bytes`]: trait.Read.html#method.bytes
@ -1689,7 +1569,7 @@ index e3e2754..400eca6 100644
impl<R: Read> Iterator for Bytes<R> {
type Item = Result<u8>;
@@ -2093,14 +2070,14 @@ impl<R: Read> Iterator for Bytes<R> {
@@ -2093,14 +2062,14 @@ impl<R: Read> Iterator for Bytes<R> {
/// `BufRead`. Please see the documentation of `split()` for more details.
///
/// [split]: trait.BufRead.html#method.split
@ -1706,7 +1586,7 @@ index e3e2754..400eca6 100644
impl<B: BufRead> Iterator for Split<B> {
type Item = Result<Vec<u8>>;
@@ -2125,13 +2102,13 @@ impl<B: BufRead> Iterator for Split<B> {
@@ -2125,13 +2094,13 @@ impl<B: BufRead> Iterator for Split<B> {
/// `BufRead`. Please see the documentation of `lines()` for more details.
///
/// [lines]: trait.BufRead.html#method.lines
@ -1749,8 +1629,8 @@ index 6aaf8f1..447ce47 100644
-use crate::io::{self, Read, Initializer, Write, ErrorKind, BufRead, IoVec, IoVecMut};
-use crate::mem;
+use core::fmt;
+use crate::io::{self, Read, Initializer, Write, ErrorKind};
+#[cfg(feature="collections")] use crate::io::{BufRead, IoVec, IoVecMut};
+use crate::io::{self, Read, Initializer, Write, ErrorKind, IoVec, IoVecMut};
+#[cfg(feature="collections")] use crate::io::BufRead;
+use core::mem;
/// Copies the entire contents of a reader into a writer.
@ -1819,15 +1699,7 @@ index 6aaf8f1..447ce47 100644
impl Read for Repeat {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
@@ -152,6 +146,7 @@ impl Read for Repeat {
Ok(buf.len())
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nwritten = 0;
@@ -167,7 +162,6 @@ impl Read for Repeat {
@@ -167,7 +161,6 @@ impl Read for Repeat {
}
}
@ -1835,7 +1707,7 @@ index 6aaf8f1..447ce47 100644
impl fmt::Debug for Repeat {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.pad("Repeat { .. }")
@@ -180,7 +174,6 @@ impl fmt::Debug for Repeat {
@@ -180,7 +173,6 @@ impl fmt::Debug for Repeat {
/// see the documentation of `sink()` for more details.
///
/// [sink]: fn.sink.html
@ -1843,7 +1715,7 @@ index 6aaf8f1..447ce47 100644
pub struct Sink { _priv: () }
/// Creates an instance of a writer which will successfully consume all data.
@@ -197,14 +190,13 @@ pub struct Sink { _priv: () }
@@ -197,10 +189,8 @@ pub struct Sink { _priv: () }
/// let num_bytes = io::sink().write(&buffer).unwrap();
/// assert_eq!(num_bytes, 5);
/// ```
@ -1854,12 +1726,7 @@ index 6aaf8f1..447ce47 100644
impl Write for Sink {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { Ok(buf.len()) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let total_len = bufs.iter().map(|b| b.len()).sum();
@@ -215,7 +207,6 @@ impl Write for Sink {
@@ -215,7 +205,6 @@ impl Write for Sink {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}

359
patches/c97d3d4dd174e8a80e9d0e55ea6f9a73aca60bf2.patch
View File

@ -15,7 +15,7 @@ index 4668e3e..4c125bd 100644
+use core::fmt;
use crate::io::{self, Initializer, DEFAULT_BUF_SIZE, Error, ErrorKind, SeekFrom, IoVec, IoVecMut};
-use crate::memchr;
+use io::memchr;
+use crate::io::memchr;
/// The `BufReader` struct adds buffering to any reader.
///
@ -311,21 +311,19 @@ diff --git a/cursor.rs b/cursor.rs
index 247d45c..f13522d 100644
--- a/cursor.rs
+++ b/cursor.rs
@@ -1,9 +1,10 @@
@@ -1,9 +1,9 @@
use crate::io::prelude::*;
-use crate::cmp;
-use crate::io::{self, Initializer, SeekFrom, Error, ErrorKind, IoVec, IoVecMut};
+use core::cmp;
+use crate::io::{self, Initializer, SeekFrom, Error, ErrorKind};
+#[cfg(feature="collections")] use crate::io::{IoVec, IoVecMut};
use crate::io::{self, Initializer, SeekFrom, Error, ErrorKind, IoVec, IoVecMut};
-use core::convert::TryInto;
+#[cfg(feature="collections")] use core::convert::TryInto;
/// A `Cursor` wraps an in-memory buffer and provides it with a
/// [`Seek`] implementation.
@@ -71,7 +72,6 @@ use core::convert::TryInto;
@@ -71,7 +71,6 @@ use core::convert::TryInto;
/// assert_eq!(&buff.get_ref()[5..15], &[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]);
/// }
/// ```
@ -333,7 +331,7 @@ index 247d45c..f13522d 100644
#[derive(Clone, Debug)]
pub struct Cursor<T> {
inner: T,
@@ -94,7 +94,6 @@ impl<T> Cursor<T> {
@@ -94,7 +93,6 @@ impl<T> Cursor<T> {
/// # fn force_inference(_: &Cursor<Vec<u8>>) {}
/// # force_inference(&buff);
/// ```
@ -341,7 +339,7 @@ index 247d45c..f13522d 100644
pub fn new(inner: T) -> Cursor<T> {
Cursor { pos: 0, inner: inner }
}
@@ -112,7 +111,6 @@ impl<T> Cursor<T> {
@@ -112,7 +110,6 @@ impl<T> Cursor<T> {
///
/// let vec = buff.into_inner();
/// ```
@ -349,7 +347,7 @@ index 247d45c..f13522d 100644
pub fn into_inner(self) -> T { self.inner }
/// Gets a reference to the underlying value in this cursor.
@@ -128,7 +126,6 @@ impl<T> Cursor<T> {
@@ -128,7 +125,6 @@ impl<T> Cursor<T> {
///
/// let reference = buff.get_ref();
/// ```
@ -357,7 +355,7 @@ index 247d45c..f13522d 100644
pub fn get_ref(&self) -> &T { &self.inner }
/// Gets a mutable reference to the underlying value in this cursor.
@@ -147,7 +144,6 @@ impl<T> Cursor<T> {
@@ -147,7 +143,6 @@ impl<T> Cursor<T> {
///
/// let reference = buff.get_mut();
/// ```
@ -365,7 +363,7 @@ index 247d45c..f13522d 100644
pub fn get_mut(&mut self) -> &mut T { &mut self.inner }
/// Returns the current position of this cursor.
@@ -169,7 +165,6 @@ impl<T> Cursor<T> {
@@ -169,7 +164,6 @@ impl<T> Cursor<T> {
/// buff.seek(SeekFrom::Current(-1)).unwrap();
/// assert_eq!(buff.position(), 1);
/// ```
@ -373,7 +371,7 @@ index 247d45c..f13522d 100644
pub fn position(&self) -> u64 { self.pos }
/// Sets the position of this cursor.
@@ -189,11 +184,9 @@ impl<T> Cursor<T> {
@@ -189,11 +183,9 @@ impl<T> Cursor<T> {
/// buff.set_position(4);
/// assert_eq!(buff.position(), 4);
/// ```
@ -385,7 +383,7 @@ index 247d45c..f13522d 100644
impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
fn seek(&mut self, style: SeekFrom) -> io::Result<u64> {
let (base_pos, offset) = match style {
@@ -222,14 +215,14 @@ impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
@@ -222,10 +214,9 @@ impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
}
}
@ -397,12 +395,7 @@ index 247d45c..f13522d 100644
self.pos += n as u64;
Ok(n)
}
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nread = 0;
for buf in bufs {
@@ -244,7 +237,7 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
@@ -244,7 +235,7 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
fn read_exact(&mut self, buf: &mut [u8]) -> io::Result<()> {
let n = buf.len();
@ -411,7 +404,7 @@ index 247d45c..f13522d 100644
self.pos += n as u64;
Ok(())
}
@@ -255,12 +248,16 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
@@ -255,12 +246,16 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
}
}
@ -431,15 +424,7 @@ index 247d45c..f13522d 100644
fn consume(&mut self, amt: usize) { self.pos += amt as u64; }
}
@@ -272,6 +269,7 @@ fn slice_write(pos_mut: &mut u64, slice: &mut [u8], buf: &[u8]) -> io::Result<us
Ok(amt)
}
+#[cfg(feature="collections")]
fn slice_write_vectored(
pos_mut: &mut u64,
slice: &mut [u8],
@@ -290,6 +288,7 @@ fn slice_write_vectored(
@@ -290,6 +285,7 @@ fn slice_write_vectored(
}
// Resizing write implementation
@ -447,7 +432,7 @@ index 247d45c..f13522d 100644
fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usize> {
let pos: usize = (*pos_mut).try_into().map_err(|_| {
Error::new(ErrorKind::InvalidInput,
@@ -316,6 +315,7 @@ fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usi
@@ -316,6 +312,7 @@ fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usi
Ok(buf.len())
}
@ -455,7 +440,7 @@ index 247d45c..f13522d 100644
fn vec_write_vectored(
pos_mut: &mut u64,
vec: &mut Vec<u8>,
@@ -329,13 +329,13 @@ fn vec_write_vectored(
@@ -329,7 +326,6 @@ fn vec_write_vectored(
Ok(nwritten)
}
@ -463,14 +448,7 @@ index 247d45c..f13522d 100644
impl Write for Cursor<&mut [u8]> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
slice_write(&mut self.pos, self.inner, buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
slice_write_vectored(&mut self.pos, self.inner, bufs)
@@ -344,12 +344,13 @@ impl Write for Cursor<&mut [u8]> {
@@ -344,7 +340,7 @@ impl Write for Cursor<&mut [u8]> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -479,13 +457,7 @@ index 247d45c..f13522d 100644
impl Write for Cursor<&mut Vec<u8>> {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
vec_write(&mut self.pos, self.inner, buf)
}
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
vec_write_vectored(&mut self.pos, self.inner, bufs)
}
@@ -357,12 +358,13 @@ impl Write for Cursor<&mut Vec<u8>> {
@@ -357,7 +353,7 @@ impl Write for Cursor<&mut Vec<u8>> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -494,13 +466,7 @@ index 247d45c..f13522d 100644
impl Write for Cursor<Vec<u8>> {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
vec_write(&mut self.pos, &mut self.inner, buf)
}
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
vec_write_vectored(&mut self.pos, &mut self.inner, bufs)
}
@@ -370,13 +372,14 @@ impl Write for Cursor<Vec<u8>> {
@@ -370,8 +366,8 @@ impl Write for Cursor<Vec<u8>> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -511,12 +477,6 @@ index 247d45c..f13522d 100644
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
slice_write(&mut self.pos, &mut self.inner, buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
slice_write_vectored(&mut self.pos, &mut self.inner, bufs)
diff --git a/error.rs b/error.rs
index 614b791..e4ce8b5 100644
--- a/error.rs
@ -841,10 +801,10 @@ index 614b791..e4ce8b5 100644
fn _is_sync_send<T: Sync+Send>() {}
_is_sync_send::<Error>();
diff --git a/impls.rs b/impls.rs
index b286e40..7472d9c 100644
index b286e40..17d1bdb 100644
--- a/impls.rs
+++ b/impls.rs
@@ -1,19 +1,22 @@
@@ -1,13 +1,15 @@
-use crate::cmp;
-use crate::io::{self, SeekFrom, Read, Initializer, Write, Seek, BufRead, Error, ErrorKind, IoVecMut,
- IoVec};
@ -852,8 +812,8 @@ index b286e40..7472d9c 100644
-use crate::mem;
+#[cfg(feature="alloc")] use alloc::boxed::Box;
+use core::cmp;
+use crate::io::{self, SeekFrom, Read, Initializer, Write, Seek, Error, ErrorKind};
+#[cfg(feature="collections")] use crate::io::{BufRead, IoVecMut, IoVec};
+use crate::io::{self, SeekFrom, Read, Initializer, Write, Seek, Error, ErrorKind, IoVecMut, IoVec};
+#[cfg(feature="collections")] use crate::io::BufRead;
+use core::fmt;
+use core::mem;
+#[cfg(feature="collections")] use collections::string::String;
@ -866,14 +826,7 @@ index b286e40..7472d9c 100644
impl<R: Read + ?Sized> Read for &mut R {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
(**self).read(buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
(**self).read_vectored(bufs)
@@ -24,11 +27,13 @@ impl<R: Read + ?Sized> Read for &mut R {
@@ -24,11 +26,13 @@ impl<R: Read + ?Sized> Read for &mut R {
(**self).initializer()
}
@ -887,7 +840,7 @@ index b286e40..7472d9c 100644
#[inline]
fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> {
(**self).read_to_string(buf)
@@ -39,11 +44,11 @@ impl<R: Read + ?Sized> Read for &mut R {
@@ -39,7 +43,6 @@ impl<R: Read + ?Sized> Read for &mut R {
(**self).read_exact(buf)
}
}
@ -895,12 +848,7 @@ index b286e40..7472d9c 100644
impl<W: Write + ?Sized> Write for &mut W {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { (**self).write(buf) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
(**self).write_vectored(bufs)
@@ -62,12 +67,11 @@ impl<W: Write + ?Sized> Write for &mut W {
@@ -62,12 +65,11 @@ impl<W: Write + ?Sized> Write for &mut W {
(**self).write_fmt(fmt)
}
}
@ -914,7 +862,7 @@ index b286e40..7472d9c 100644
impl<B: BufRead + ?Sized> BufRead for &mut B {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { (**self).fill_buf() }
@@ -86,13 +90,14 @@ impl<B: BufRead + ?Sized> BufRead for &mut B {
@@ -86,7 +88,7 @@ impl<B: BufRead + ?Sized> BufRead for &mut B {
}
}
@ -923,14 +871,7 @@ index b286e40..7472d9c 100644
impl<R: Read + ?Sized> Read for Box<R> {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
(**self).read(buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
(**self).read_vectored(bufs)
@@ -103,11 +108,13 @@ impl<R: Read + ?Sized> Read for Box<R> {
@@ -103,11 +105,13 @@ impl<R: Read + ?Sized> Read for Box<R> {
(**self).initializer()
}
@ -944,7 +885,7 @@ index b286e40..7472d9c 100644
#[inline]
fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> {
(**self).read_to_string(buf)
@@ -118,11 +125,12 @@ impl<R: Read + ?Sized> Read for Box<R> {
@@ -118,7 +122,7 @@ impl<R: Read + ?Sized> Read for Box<R> {
(**self).read_exact(buf)
}
}
@ -953,12 +894,7 @@ index b286e40..7472d9c 100644
impl<W: Write + ?Sized> Write for Box<W> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { (**self).write(buf) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
(**self).write_vectored(bufs)
@@ -141,12 +149,12 @@ impl<W: Write + ?Sized> Write for Box<W> {
@@ -141,12 +145,12 @@ impl<W: Write + ?Sized> Write for Box<W> {
(**self).write_fmt(fmt)
}
}
@ -973,7 +909,7 @@ index b286e40..7472d9c 100644
impl<B: BufRead + ?Sized> BufRead for Box<B> {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { (**self).fill_buf() }
@@ -186,7 +194,6 @@ impl Write for Box<dyn (::realstd::io::Write) + Send> {
@@ -186,7 +190,6 @@ impl Write for Box<dyn (::realstd::io::Write) + Send> {
///
/// Note that reading updates the slice to point to the yet unread part.
/// The slice will be empty when EOF is reached.
@ -981,15 +917,7 @@ index b286e40..7472d9c 100644
impl Read for &[u8] {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
@@ -206,6 +213,7 @@ impl Read for &[u8] {
Ok(amt)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nread = 0;
@@ -245,6 +253,7 @@ impl Read for &[u8] {
@@ -245,6 +248,7 @@ impl Read for &[u8] {
Ok(())
}
@ -997,7 +925,7 @@ index b286e40..7472d9c 100644
#[inline]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> io::Result<usize> {
buf.extend_from_slice(*self);
@@ -254,7 +263,7 @@ impl Read for &[u8] {
@@ -254,7 +258,7 @@ impl Read for &[u8] {
}
}
@ -1006,7 +934,7 @@ index b286e40..7472d9c 100644
impl BufRead for &[u8] {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { Ok(*self) }
@@ -268,7 +277,6 @@ impl BufRead for &[u8] {
@@ -268,7 +272,6 @@ impl BufRead for &[u8] {
///
/// Note that writing updates the slice to point to the yet unwritten part.
/// The slice will be empty when it has been completely overwritten.
@ -1014,15 +942,7 @@ index b286e40..7472d9c 100644
impl Write for &mut [u8] {
#[inline]
fn write(&mut self, data: &[u8]) -> io::Result<usize> {
@@ -279,6 +287,7 @@ impl Write for &mut [u8] {
Ok(amt)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let mut nwritten = 0;
@@ -307,7 +316,7 @@ impl Write for &mut [u8] {
@@ -307,7 +310,7 @@ impl Write for &mut [u8] {
/// Write is implemented for `Vec<u8>` by appending to the vector.
/// The vector will grow as needed.
@ -1031,16 +951,8 @@ index b286e40..7472d9c 100644
impl Write for Vec<u8> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
@@ -315,6 +324,7 @@ impl Write for Vec<u8> {
Ok(buf.len())
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let len = bufs.iter().map(|b| b.len()).sum();
diff --git a/mod.rs b/mod.rs
index 7147b64..2059b5a 100644
index 7147b64..b7d3943 100644
--- a/mod.rs
+++ b/mod.rs
@@ -257,50 +257,38 @@
@ -1072,9 +984,9 @@ index 7147b64..2059b5a 100644
+mod memchr;
+#[cfg(all(feature="collections",core_memchr))]
+use core::slice::memchr;
+#[cfg(feature="collections")] use core::ops::{Deref, DerefMut};
+use core::ptr;
+use core::slice;
+use core::ops::{Deref, DerefMut};
+use core::ptr;
+
+#[cfg(feature="collections")] pub use self::buffered::{BufReader, BufWriter, LineWriter};
+#[cfg(feature="collections")] pub use self::buffered::IntoInnerError;
@ -1134,23 +1046,7 @@ index 7147b64..2059b5a 100644
fn read_to_end_with_reservation<R: Read + ?Sized>(r: &mut R,
buf: &mut Vec<u8>,
reservation_size: usize) -> Result<usize>
@@ -390,6 +381,7 @@ fn read_to_end_with_reservation<R: Read + ?Sized>(r: &mut R,
ret
}
+#[cfg(feature="collections")]
pub(crate) fn default_read_vectored<F>(read: F, bufs: &mut [IoVecMut<'_>]) -> Result<usize>
where
F: FnOnce(&mut [u8]) -> Result<usize>
@@ -401,6 +393,7 @@ where
read(buf)
}
+#[cfg(feature="collections")]
pub(crate) fn default_write_vectored<F>(write: F, bufs: &[IoVec<'_>]) -> Result<usize>
where
F: FnOnce(&[u8]) -> Result<usize>
@@ -484,7 +477,6 @@ where
@@ -484,7 +475,6 @@ where
/// [`BufReader`]: struct.BufReader.html
/// [`&str`]: ../../std/primitive.str.html
/// [slice]: ../../std/primitive.slice.html
@ -1158,7 +1054,7 @@ index 7147b64..2059b5a 100644
#[doc(spotlight)]
pub trait Read {
/// Pull some bytes from this source into the specified buffer, returning
@@ -541,7 +533,6 @@ pub trait Read {
@@ -541,7 +531,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1166,16 +1062,15 @@ index 7147b64..2059b5a 100644
fn read(&mut self, buf: &mut [u8]) -> Result<usize>;
/// Like `read`, except that it reads into a slice of buffers.
@@ -552,7 +543,7 @@ pub trait Read {
@@ -552,7 +541,6 @@ pub trait Read {
///
/// The default implementation calls `read` with either the first nonempty
/// buffer provided, or an empty one if none exists.
- #[unstable(feature = "iovec", issue = "58452")]
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> Result<usize> {
default_read_vectored(|b| self.read(b), bufs)
}
@@ -579,7 +570,6 @@ pub trait Read {
@@ -579,7 +567,6 @@ pub trait Read {
///
/// [`Initializer::nop()`]: ../../std/io/struct.Initializer.html#method.nop
/// [`Initializer`]: ../../std/io/struct.Initializer.html
@ -1183,7 +1078,7 @@ index 7147b64..2059b5a 100644
#[inline]
unsafe fn initializer(&self) -> Initializer {
Initializer::zeroing()
@@ -632,7 +622,7 @@ pub trait Read {
@@ -632,7 +619,7 @@ pub trait Read {
/// file.)
///
/// [`std::fs::read`]: ../fs/fn.read.html
@ -1192,7 +1087,7 @@ index 7147b64..2059b5a 100644
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
read_to_end(self, buf)
}
@@ -675,7 +665,7 @@ pub trait Read {
@@ -675,7 +662,7 @@ pub trait Read {
/// reading from a file.)
///
/// [`std::fs::read_to_string`]: ../fs/fn.read_to_string.html
@ -1201,7 +1096,7 @@ index 7147b64..2059b5a 100644
fn read_to_string(&mut self, buf: &mut String) -> Result<usize> {
// Note that we do *not* call `.read_to_end()` here. We are passing
// `&mut Vec<u8>` (the raw contents of `buf`) into the `read_to_end`
@@ -738,7 +728,6 @@ pub trait Read {
@@ -738,7 +725,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1209,7 +1104,7 @@ index 7147b64..2059b5a 100644
fn read_exact(&mut self, mut buf: &mut [u8]) -> Result<()> {
while !buf.is_empty() {
match self.read(buf) {
@@ -790,7 +779,6 @@ pub trait Read {
@@ -790,7 +776,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1217,7 +1112,7 @@ index 7147b64..2059b5a 100644
fn by_ref(&mut self) -> &mut Self where Self: Sized { self }
/// Transforms this `Read` instance to an [`Iterator`] over its bytes.
@@ -827,7 +815,6 @@ pub trait Read {
@@ -827,7 +812,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1225,7 +1120,7 @@ index 7147b64..2059b5a 100644
fn bytes(self) -> Bytes<Self> where Self: Sized {
Bytes { inner: self }
}
@@ -862,7 +849,6 @@ pub trait Read {
@@ -862,7 +846,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1233,7 +1128,7 @@ index 7147b64..2059b5a 100644
fn chain<R: Read>(self, next: R) -> Chain<Self, R> where Self: Sized {
Chain { first: self, second: next, done_first: false }
}
@@ -898,42 +884,77 @@ pub trait Read {
@@ -898,22 +881,52 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1243,10 +1138,8 @@ index 7147b64..2059b5a 100644
}
}
+#[cfg(feature="collections")]
+pub struct IoVecBuffer<'a>(&'a [u8]);
+
+#[cfg(feature="collections")]
+impl<'a> IoVecBuffer<'a> {
+ #[inline]
+ pub fn new(buf: &'a [u8]) -> IoVecBuffer<'a> {
@ -1258,10 +1151,9 @@ index 7147b64..2059b5a 100644
+ self.0
+ }
+}
+#[cfg(feature="collections")]
+
+pub struct IoVecMutBuffer<'a>(&'a mut [u8]);
+
+#[cfg(feature="collections")]
+impl<'a> IoVecMutBuffer<'a> {
+ #[inline]
+ pub fn new(buf: &'a mut [u8]) -> IoVecMutBuffer<'a> {
@ -1285,23 +1177,15 @@ index 7147b64..2059b5a 100644
/// ABI compatible with the `iovec` type on Unix platforms and `WSABUF` on
/// Windows.
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
#[repr(transparent)]
-pub struct IoVecMut<'a>(sys::io::IoVecMut<'a>);
+pub struct IoVecMut<'a>(IoVecMutBuffer<'a>);
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> fmt::Debug for IoVecMut<'a> {
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
fmt::Debug::fmt(self.0.as_slice(), fmt)
}
}
+#[cfg(feature="collections")]
impl<'a> IoVecMut<'a> {
/// Creates a new `IoVecMut` wrapping a byte slice.
///
@@ -926,14 +939,12 @@ impl<'a> IoVecMut<'a> {
/// # Panics
///
/// Panics on Windows if the slice is larger than 4GB.
@ -1314,41 +1198,31 @@ index 7147b64..2059b5a 100644
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> Deref for IoVecMut<'a> {
type Target = [u8];
@@ -943,7 +964,7 @@ impl<'a> Deref for IoVecMut<'a> {
@@ -943,7 +954,6 @@ impl<'a> Deref for IoVecMut<'a> {
}
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> DerefMut for IoVecMut<'a> {
#[inline]
fn deref_mut(&mut self) -> &mut [u8] {
@@ -956,31 +977,31 @@ impl<'a> DerefMut for IoVecMut<'a> {
@@ -956,11 +966,9 @@ impl<'a> DerefMut for IoVecMut<'a> {
/// It is semantically a wrapper around an `&[u8]`, but is guaranteed to be
/// ABI compatible with the `iovec` type on Unix platforms and `WSABUF` on
/// Windows.
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
#[repr(transparent)]
-pub struct IoVec<'a>(sys::io::IoVec<'a>);
+pub struct IoVec<'a>(IoVecBuffer<'a>);
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> fmt::Debug for IoVec<'a> {
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
fmt::Debug::fmt(self.0.as_slice(), fmt)
}
}
+#[cfg(feature="collections")]
impl<'a> IoVec<'a> {
/// Creates a new `IoVec` wrapping a byte slice.
///
@@ -973,14 +981,12 @@ impl<'a> IoVec<'a> {
/// # Panics
///
/// Panics on Windows if the slice is larger than 4GB.
@ -1361,11 +1235,10 @@ index 7147b64..2059b5a 100644
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> Deref for IoVec<'a> {
type Target = [u8];
@@ -991,13 +1012,11 @@ impl<'a> Deref for IoVec<'a> {
@@ -991,13 +997,11 @@ impl<'a> Deref for IoVec<'a> {
}
/// A type used to conditionally initialize buffers passed to `Read` methods.
@ -1379,7 +1252,7 @@ index 7147b64..2059b5a 100644
#[inline]
pub fn zeroing() -> Initializer {
Initializer(true)
@@ -1011,21 +1030,18 @@ impl Initializer {
@@ -1011,21 +1015,18 @@ impl Initializer {
/// read from buffers passed to `Read` methods, and that the return value of
/// the method accurately reflects the number of bytes that have been
/// written to the head of the buffer.
@ -1401,7 +1274,7 @@ index 7147b64..2059b5a 100644
#[inline]
pub fn initialize(&self, buf: &mut [u8]) {
if self.should_initialize() {
@@ -1068,7 +1084,6 @@ impl Initializer {
@@ -1068,7 +1069,6 @@ impl Initializer {
/// Ok(())
/// }
/// ```
@ -1409,7 +1282,7 @@ index 7147b64..2059b5a 100644
#[doc(spotlight)]
pub trait Write {
/// Write a buffer into this writer, returning how many bytes were written.
@@ -1117,7 +1132,6 @@ pub trait Write {
@@ -1117,7 +1117,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1417,16 +1290,15 @@ index 7147b64..2059b5a 100644
fn write(&mut self, buf: &[u8]) -> Result<usize>;
/// Like `write`, except that it writes from a slice of buffers.
@@ -1128,7 +1142,7 @@ pub trait Write {
@@ -1128,7 +1127,6 @@ pub trait Write {
///
/// The default implementation calls `write` with either the first nonempty
/// buffer provided, or an empty one if none exists.
- #[unstable(feature = "iovec", issue = "58452")]
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> Result<usize> {
default_write_vectored(|b| self.write(b), bufs)
}
@@ -1156,7 +1170,6 @@ pub trait Write {
@@ -1156,7 +1154,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1434,7 +1306,7 @@ index 7147b64..2059b5a 100644
fn flush(&mut self) -> Result<()>;
/// Attempts to write an entire buffer into this writer.
@@ -1189,7 +1202,6 @@ pub trait Write {
@@ -1189,7 +1186,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1442,7 +1314,7 @@ index 7147b64..2059b5a 100644
fn write_all(&mut self, mut buf: &[u8]) -> Result<()> {
while !buf.is_empty() {
match self.write(buf) {
@@ -1241,7 +1253,6 @@ pub trait Write {
@@ -1241,7 +1237,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1450,7 +1322,7 @@ index 7147b64..2059b5a 100644
fn write_fmt(&mut self, fmt: fmt::Arguments) -> Result<()> {
// Create a shim which translates a Write to a fmt::Write and saves
// off I/O errors. instead of discarding them
@@ -1297,7 +1308,6 @@ pub trait Write {
@@ -1297,7 +1292,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1458,7 +1330,7 @@ index 7147b64..2059b5a 100644
fn by_ref(&mut self) -> &mut Self where Self: Sized { self }
}
@@ -1327,7 +1337,6 @@ pub trait Write {
@@ -1327,7 +1321,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1466,7 +1338,7 @@ index 7147b64..2059b5a 100644
pub trait Seek {
/// Seek to an offset, in bytes, in a stream.
///
@@ -1343,7 +1352,6 @@ pub trait Seek {
@@ -1343,7 +1336,6 @@ pub trait Seek {
/// Seeking to a negative offset is considered an error.
///
/// [`SeekFrom::Start`]: enum.SeekFrom.html#variant.Start
@ -1474,7 +1346,7 @@ index 7147b64..2059b5a 100644
fn seek(&mut self, pos: SeekFrom) -> Result<u64>;
/// Returns the length of this stream (in bytes).
@@ -1381,7 +1389,6 @@ pub trait Seek {
@@ -1381,7 +1373,6 @@ pub trait Seek {
/// Ok(())
/// }
/// ```
@ -1482,7 +1354,7 @@ index 7147b64..2059b5a 100644
fn stream_len(&mut self) -> Result<u64> {
let old_pos = self.stream_position()?;
let len = self.seek(SeekFrom::End(0))?;
@@ -1420,7 +1427,6 @@ pub trait Seek {
@@ -1420,7 +1411,6 @@ pub trait Seek {
/// Ok(())
/// }
/// ```
@ -1490,7 +1362,7 @@ index 7147b64..2059b5a 100644
fn stream_position(&mut self) -> Result<u64> {
self.seek(SeekFrom::Current(0))
}
@@ -1432,29 +1438,26 @@ pub trait Seek {
@@ -1432,29 +1422,26 @@ pub trait Seek {
///
/// [`Seek`]: trait.Seek.html
#[derive(Copy, PartialEq, Eq, Clone, Debug)]
@ -1524,7 +1396,7 @@ index 7147b64..2059b5a 100644
fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
-> Result<usize> {
let mut read = 0;
@@ -1534,7 +1537,7 @@ fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
@@ -1534,7 +1521,7 @@ fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
/// }
/// ```
///
@ -1533,7 +1405,7 @@ index 7147b64..2059b5a 100644
pub trait BufRead: Read {
/// Returns the contents of the internal buffer, filling it with more data
/// from the inner reader if it is empty.
@@ -1580,7 +1583,6 @@ pub trait BufRead: Read {
@@ -1580,7 +1567,6 @@ pub trait BufRead: Read {
/// // ensure the bytes we worked with aren't returned again later
/// stdin.consume(length);
/// ```
@ -1541,7 +1413,7 @@ index 7147b64..2059b5a 100644
fn fill_buf(&mut self) -> Result<&[u8]>;
/// Tells this buffer that `amt` bytes have been consumed from the buffer,
@@ -1602,7 +1604,6 @@ pub trait BufRead: Read {
@@ -1602,7 +1588,6 @@ pub trait BufRead: Read {
/// that method's example includes an example of `consume()`.
///
/// [`fill_buf`]: #tymethod.fill_buf
@ -1549,7 +1421,7 @@ index 7147b64..2059b5a 100644
fn consume(&mut self, amt: usize);
/// Read all bytes into `buf` until the delimiter `byte` or EOF is reached.
@@ -1658,7 +1659,6 @@ pub trait BufRead: Read {
@@ -1658,7 +1643,6 @@ pub trait BufRead: Read {
/// assert_eq!(num_bytes, 0);
/// assert_eq!(buf, b"");
/// ```
@ -1557,7 +1429,7 @@ index 7147b64..2059b5a 100644
fn read_until(&mut self, byte: u8, buf: &mut Vec<u8>) -> Result<usize> {
read_until(self, byte, buf)
}
@@ -1717,7 +1717,6 @@ pub trait BufRead: Read {
@@ -1717,7 +1701,6 @@ pub trait BufRead: Read {
/// assert_eq!(num_bytes, 0);
/// assert_eq!(buf, "");
/// ```
@ -1565,7 +1437,7 @@ index 7147b64..2059b5a 100644
fn read_line(&mut self, buf: &mut String) -> Result<usize> {
// Note that we are not calling the `.read_until` method here, but
// rather our hardcoded implementation. For more details as to why, see
@@ -1758,7 +1757,6 @@ pub trait BufRead: Read {
@@ -1758,7 +1741,6 @@ pub trait BufRead: Read {
/// assert_eq!(split_iter.next(), Some(b"dolor".to_vec()));
/// assert_eq!(split_iter.next(), None);
/// ```
@ -1573,7 +1445,7 @@ index 7147b64..2059b5a 100644
fn split(self, byte: u8) -> Split<Self> where Self: Sized {
Split { buf: self, delim: byte }
}
@@ -1797,7 +1795,6 @@ pub trait BufRead: Read {
@@ -1797,7 +1779,6 @@ pub trait BufRead: Read {
/// Each line of the iterator has the same error semantics as [`BufRead::read_line`].
///
/// [`BufRead::read_line`]: trait.BufRead.html#method.read_line
@ -1581,7 +1453,7 @@ index 7147b64..2059b5a 100644
fn lines(self) -> Lines<Self> where Self: Sized {
Lines { buf: self }
}
@@ -1809,7 +1806,6 @@ pub trait BufRead: Read {
@@ -1809,7 +1790,6 @@ pub trait BufRead: Read {
/// Please see the documentation of [`chain`] for more details.
///
/// [`chain`]: trait.Read.html#method.chain
@ -1589,7 +1461,7 @@ index 7147b64..2059b5a 100644
pub struct Chain<T, U> {
first: T,
second: U,
@@ -1835,7 +1831,6 @@ impl<T, U> Chain<T, U> {
@@ -1835,7 +1815,6 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1597,7 +1469,7 @@ index 7147b64..2059b5a 100644
pub fn into_inner(self) -> (T, U) {
(self.first, self.second)
}
@@ -1858,7 +1853,6 @@ impl<T, U> Chain<T, U> {
@@ -1858,7 +1837,6 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1605,7 +1477,7 @@ index 7147b64..2059b5a 100644
pub fn get_ref(&self) -> (&T, &U) {
(&self.first, &self.second)
}
@@ -1885,13 +1879,11 @@ impl<T, U> Chain<T, U> {
@@ -1885,13 +1863,11 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1619,7 +1491,7 @@ index 7147b64..2059b5a 100644
impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_struct("Chain")
@@ -1901,7 +1893,6 @@ impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
@@ -1901,7 +1877,6 @@ impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
}
}
@ -1627,15 +1499,7 @@ index 7147b64..2059b5a 100644
impl<T: Read, U: Read> Read for Chain<T, U> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
if !self.done_first {
@@ -1913,6 +1904,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
self.second.read(buf)
}
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> Result<usize> {
if !self.done_first {
match self.first.read_vectored(bufs)? {
@@ -1933,7 +1925,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
@@ -1933,7 +1908,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
}
}
@ -1644,7 +1508,7 @@ index 7147b64..2059b5a 100644
impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
fn fill_buf(&mut self) -> Result<&[u8]> {
if !self.done_first {
@@ -1960,7 +1952,6 @@ impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
@@ -1960,7 +1935,6 @@ impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
/// Please see the documentation of [`take`] for more details.
///
/// [`take`]: trait.Read.html#method.take
@ -1652,7 +1516,7 @@ index 7147b64..2059b5a 100644
#[derive(Debug)]
pub struct Take<T> {
inner: T,
@@ -1995,7 +1986,6 @@ impl<T> Take<T> {
@@ -1995,7 +1969,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1660,7 +1524,7 @@ index 7147b64..2059b5a 100644
pub fn limit(&self) -> u64 { self.limit }
/// Sets the number of bytes that can be read before this instance will
@@ -2021,7 +2011,6 @@ impl<T> Take<T> {
@@ -2021,7 +1994,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1668,7 +1532,7 @@ index 7147b64..2059b5a 100644
pub fn set_limit(&mut self, limit: u64) {
self.limit = limit;
}
@@ -2046,7 +2035,6 @@ impl<T> Take<T> {
@@ -2046,7 +2018,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1676,7 +1540,7 @@ index 7147b64..2059b5a 100644
pub fn into_inner(self) -> T {
self.inner
}
@@ -2071,7 +2059,6 @@ impl<T> Take<T> {
@@ -2071,7 +2042,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1684,7 +1548,7 @@ index 7147b64..2059b5a 100644
pub fn get_ref(&self) -> &T {
&self.inner
}
@@ -2100,13 +2087,11 @@ impl<T> Take<T> {
@@ -2100,13 +2070,11 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1698,16 +1562,16 @@ index 7147b64..2059b5a 100644
impl<T: Read> Read for Take<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
// Don't call into inner reader at all at EOF because it may still block
@@ -2123,15 +2108,9 @@ impl<T: Read> Read for Take<T> {
unsafe fn initializer(&self) -> Initializer {
@@ -2124,6 +2092,7 @@ impl<T: Read> Read for Take<T> {
self.inner.initializer()
}
-
- fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
- let reservation_size = cmp::min(self.limit, 32) as usize;
-
- read_to_end_with_reservation(self, buf, reservation_size)
- }
+ #[cfg(feature="collections")]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
let reservation_size = cmp::min(self.limit, 32) as usize;
@@ -2131,7 +2100,7 @@ impl<T: Read> Read for Take<T> {
}
}
-#[stable(feature = "rust1", since = "1.0.0")]
@ -1715,7 +1579,7 @@ index 7147b64..2059b5a 100644
impl<T: BufRead> BufRead for Take<T> {
fn fill_buf(&mut self) -> Result<&[u8]> {
// Don't call into inner reader at all at EOF because it may still block
@@ -2158,13 +2137,11 @@ impl<T: BufRead> BufRead for Take<T> {
@@ -2158,13 +2127,11 @@ impl<T: BufRead> BufRead for Take<T> {
/// Please see the documentation of [`bytes`] for more details.
///
/// [`bytes`]: trait.Read.html#method.bytes
@ -1729,7 +1593,7 @@ index 7147b64..2059b5a 100644
impl<R: Read> Iterator for Bytes<R> {
type Item = Result<u8>;
@@ -2188,14 +2165,14 @@ impl<R: Read> Iterator for Bytes<R> {
@@ -2188,14 +2155,14 @@ impl<R: Read> Iterator for Bytes<R> {
/// `BufRead`. Please see the documentation of `split()` for more details.
///
/// [split]: trait.BufRead.html#method.split
@ -1746,7 +1610,7 @@ index 7147b64..2059b5a 100644
impl<B: BufRead> Iterator for Split<B> {
type Item = Result<Vec<u8>>;
@@ -2220,13 +2197,13 @@ impl<B: BufRead> Iterator for Split<B> {
@@ -2220,13 +2187,13 @@ impl<B: BufRead> Iterator for Split<B> {
/// `BufRead`. Please see the documentation of `lines()` for more details.
///
/// [lines]: trait.BufRead.html#method.lines
@ -1779,7 +1643,7 @@ index 2e19edf..66294a3 100644
+#[cfg(feature="collections")] pub use alloc::boxed::Box;
+#[cfg(feature="collections")] pub use collections::vec::Vec;
diff --git a/util.rs b/util.rs
index 6aaf8f1..447ce47 100644
index 6aaf8f1..15ce0af 100644
--- a/util.rs
+++ b/util.rs
@@ -1,8 +1,9 @@
@ -1789,8 +1653,8 @@ index 6aaf8f1..447ce47 100644
-use crate::io::{self, Read, Initializer, Write, ErrorKind, BufRead, IoVec, IoVecMut};
-use crate::mem;
+use core::fmt;
+use crate::io::{self, Read, Initializer, Write, ErrorKind};
+#[cfg(feature="collections")] use crate::io::{BufRead, IoVec, IoVecMut};
+use crate::io::{self, Read, Initializer, Write, ErrorKind, IoVec, IoVecMut};
+#[cfg(feature="collections")] use crate::io::BufRead;
+use core::mem;
/// Copies the entire contents of a reader into a writer.
@ -1859,15 +1723,7 @@ index 6aaf8f1..447ce47 100644
impl Read for Repeat {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
@@ -152,6 +146,7 @@ impl Read for Repeat {
Ok(buf.len())
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nwritten = 0;
@@ -167,7 +162,6 @@ impl Read for Repeat {
@@ -167,7 +161,6 @@ impl Read for Repeat {
}
}
@ -1875,7 +1731,7 @@ index 6aaf8f1..447ce47 100644
impl fmt::Debug for Repeat {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.pad("Repeat { .. }")
@@ -180,7 +174,6 @@ impl fmt::Debug for Repeat {
@@ -180,7 +173,6 @@ impl fmt::Debug for Repeat {
/// see the documentation of `sink()` for more details.
///
/// [sink]: fn.sink.html
@ -1883,7 +1739,7 @@ index 6aaf8f1..447ce47 100644
pub struct Sink { _priv: () }
/// Creates an instance of a writer which will successfully consume all data.
@@ -197,14 +190,13 @@ pub struct Sink { _priv: () }
@@ -197,10 +189,8 @@ pub struct Sink { _priv: () }
/// let num_bytes = io::sink().write(&buffer).unwrap();
/// assert_eq!(num_bytes, 5);
/// ```
@ -1894,12 +1750,7 @@ index 6aaf8f1..447ce47 100644
impl Write for Sink {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { Ok(buf.len()) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let total_len = bufs.iter().map(|b| b.len()).sum();
@@ -215,7 +207,6 @@ impl Write for Sink {
@@ -215,7 +205,6 @@ impl Write for Sink {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}

24
patches/cf9fd6074da321b353a755359fac10cd28ed251d.patch
View File

@ -970,8 +970,8 @@ index 5137a94..da64ab7 100644
+mod memchr;
+#[cfg(all(feature="collections",core_memchr))]
+use core::slice::memchr;
+use core::ptr;
+use core::slice;
+use core::ptr;
+
+#[cfg(feature="collections")] pub use self::buffered::{BufReader, BufWriter, LineWriter};
+#[cfg(feature="collections")] pub use self::buffered::IntoInnerError;
@ -1412,16 +1412,16 @@ index 5137a94..da64ab7 100644
impl<T: Read> Read for Take<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1908,15 +1857,9 @@ impl<T: Read> Read for Take<T> {
unsafe fn initializer(&self) -> Initializer {
@@ -1909,6 +1858,7 @@ impl<T: Read> Read for Take<T> {
self.inner.initializer()
}
-
- fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
- let reservation_size = cmp::min(self.limit, 32) as usize;
-
- read_to_end_with_reservation(self, buf, reservation_size)
- }
+ #[cfg(feature="collections")]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
let reservation_size = cmp::min(self.limit, 32) as usize;
@@ -1916,7 +1866,7 @@ impl<T: Read> Read for Take<T> {
}
}
-#[stable(feature = "rust1", since = "1.0.0")]
@ -1429,7 +1429,7 @@ index 5137a94..da64ab7 100644
impl<T: BufRead> BufRead for Take<T> {
fn fill_buf(&mut self) -> Result<&[u8]> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1943,13 +1886,11 @@ impl<T: BufRead> BufRead for Take<T> {
@@ -1943,13 +1893,11 @@ impl<T: BufRead> BufRead for Take<T> {
/// Please see the documentation of [`bytes`] for more details.
///
/// [`bytes`]: trait.Read.html#method.bytes
@ -1443,7 +1443,7 @@ index 5137a94..da64ab7 100644
impl<R: Read> Iterator for Bytes<R> {
type Item = Result<u8>;
@@ -1973,14 +1914,14 @@ impl<R: Read> Iterator for Bytes<R> {
@@ -1973,14 +1921,14 @@ impl<R: Read> Iterator for Bytes<R> {
/// `BufRead`. Please see the documentation of `split()` for more details.
///
/// [split]: trait.BufRead.html#method.split
@ -1460,7 +1460,7 @@ index 5137a94..da64ab7 100644
impl<B: BufRead> Iterator for Split<B> {
type Item = Result<Vec<u8>>;
@@ -2005,13 +1946,13 @@ impl<B: BufRead> Iterator for Split<B> {
@@ -2005,13 +1953,13 @@ impl<B: BufRead> Iterator for Split<B> {
/// `BufRead`. Please see the documentation of `lines()` for more details.
///
/// [lines]: trait.BufRead.html#method.lines

351
patches/d3f30c30eaf56b69cf458656c1a84a931d1108a9.patch
View File

@ -15,7 +15,7 @@ index a14c10d..3e78c01 100644
+use core::fmt;
use crate::io::{self, Initializer, DEFAULT_BUF_SIZE, Error, ErrorKind, SeekFrom, IoVec, IoVecMut};
-use crate::memchr;
+use io::memchr;
+use crate::io::memchr;
/// The `BufReader` struct adds buffering to any reader.
///
@ -311,21 +311,19 @@ diff --git a/cursor.rs b/cursor.rs
index 873da08..3d39e57 100644
--- a/cursor.rs
+++ b/cursor.rs
@@ -1,9 +1,10 @@
@@ -1,9 +1,9 @@
use crate::io::prelude::*;
-use crate::cmp;
-use crate::io::{self, Initializer, SeekFrom, Error, ErrorKind, IoVec, IoVecMut};
+use core::cmp;
+use crate::io::{self, Initializer, SeekFrom, Error, ErrorKind};
+#[cfg(feature="collections")] use crate::io::{IoVec, IoVecMut};
use crate::io::{self, Initializer, SeekFrom, Error, ErrorKind, IoVec, IoVecMut};
-use core::convert::TryInto;
+#[cfg(feature="collections")] use core::convert::TryInto;
/// A `Cursor` wraps an in-memory buffer and provides it with a
/// [`Seek`] implementation.
@@ -71,7 +72,6 @@ use core::convert::TryInto;
@@ -71,7 +71,6 @@ use core::convert::TryInto;
/// assert_eq!(&buff.get_ref()[5..15], &[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]);
/// }
/// ```
@ -333,7 +331,7 @@ index 873da08..3d39e57 100644
#[derive(Clone, Debug)]
pub struct Cursor<T> {
inner: T,
@@ -94,7 +94,6 @@ impl<T> Cursor<T> {
@@ -94,7 +93,6 @@ impl<T> Cursor<T> {
/// # fn force_inference(_: &Cursor<Vec<u8>>) {}
/// # force_inference(&buff);
/// ```
@ -341,7 +339,7 @@ index 873da08..3d39e57 100644
pub fn new(inner: T) -> Cursor<T> {
Cursor { pos: 0, inner: inner }
}
@@ -112,7 +111,6 @@ impl<T> Cursor<T> {
@@ -112,7 +110,6 @@ impl<T> Cursor<T> {
///
/// let vec = buff.into_inner();
/// ```
@ -349,7 +347,7 @@ index 873da08..3d39e57 100644
pub fn into_inner(self) -> T { self.inner }
/// Gets a reference to the underlying value in this cursor.
@@ -128,7 +126,6 @@ impl<T> Cursor<T> {
@@ -128,7 +125,6 @@ impl<T> Cursor<T> {
///
/// let reference = buff.get_ref();
/// ```
@ -357,7 +355,7 @@ index 873da08..3d39e57 100644
pub fn get_ref(&self) -> &T { &self.inner }
/// Gets a mutable reference to the underlying value in this cursor.
@@ -147,7 +144,6 @@ impl<T> Cursor<T> {
@@ -147,7 +143,6 @@ impl<T> Cursor<T> {
///
/// let reference = buff.get_mut();
/// ```
@ -365,7 +363,7 @@ index 873da08..3d39e57 100644
pub fn get_mut(&mut self) -> &mut T { &mut self.inner }
/// Returns the current position of this cursor.
@@ -169,7 +165,6 @@ impl<T> Cursor<T> {
@@ -169,7 +164,6 @@ impl<T> Cursor<T> {
/// buff.seek(SeekFrom::Current(-1)).unwrap();
/// assert_eq!(buff.position(), 1);
/// ```
@ -373,7 +371,7 @@ index 873da08..3d39e57 100644
pub fn position(&self) -> u64 { self.pos }
/// Sets the position of this cursor.
@@ -189,11 +184,9 @@ impl<T> Cursor<T> {
@@ -189,11 +183,9 @@ impl<T> Cursor<T> {
/// buff.set_position(4);
/// assert_eq!(buff.position(), 4);
/// ```
@ -385,7 +383,7 @@ index 873da08..3d39e57 100644
impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
fn seek(&mut self, style: SeekFrom) -> io::Result<u64> {
let (base_pos, offset) = match style {
@@ -214,14 +207,14 @@ impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
@@ -214,10 +206,9 @@ impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
}
}
@ -397,12 +395,7 @@ index 873da08..3d39e57 100644
self.pos += n as u64;
Ok(n)
}
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nread = 0;
for buf in bufs {
@@ -236,7 +229,7 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
@@ -236,7 +227,7 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
fn read_exact(&mut self, buf: &mut [u8]) -> io::Result<()> {
let n = buf.len();
@ -411,7 +404,7 @@ index 873da08..3d39e57 100644
self.pos += n as u64;
Ok(())
}
@@ -247,12 +240,16 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
@@ -247,12 +238,16 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
}
}
@ -431,15 +424,7 @@ index 873da08..3d39e57 100644
fn consume(&mut self, amt: usize) { self.pos += amt as u64; }
}
@@ -264,6 +261,7 @@ fn slice_write(pos_mut: &mut u64, slice: &mut [u8], buf: &[u8]) -> io::Result<us
Ok(amt)
}
+#[cfg(feature="collections")]
fn slice_write_vectored(
pos_mut: &mut u64,
slice: &mut [u8],
@@ -282,6 +280,7 @@ fn slice_write_vectored(
@@ -282,6 +277,7 @@ fn slice_write_vectored(
}
// Resizing write implementation
@ -447,7 +432,7 @@ index 873da08..3d39e57 100644
fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usize> {
let pos: usize = (*pos_mut).try_into().map_err(|_| {
Error::new(ErrorKind::InvalidInput,
@@ -308,6 +307,7 @@ fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usi
@@ -308,6 +304,7 @@ fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usi
Ok(buf.len())
}
@ -455,7 +440,7 @@ index 873da08..3d39e57 100644
fn vec_write_vectored(
pos_mut: &mut u64,
vec: &mut Vec<u8>,
@@ -321,13 +321,13 @@ fn vec_write_vectored(
@@ -321,7 +318,6 @@ fn vec_write_vectored(
Ok(nwritten)
}
@ -463,14 +448,7 @@ index 873da08..3d39e57 100644
impl Write for Cursor<&mut [u8]> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
slice_write(&mut self.pos, self.inner, buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
slice_write_vectored(&mut self.pos, self.inner, bufs)
@@ -336,12 +336,13 @@ impl Write for Cursor<&mut [u8]> {
@@ -336,7 +332,7 @@ impl Write for Cursor<&mut [u8]> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -479,13 +457,7 @@ index 873da08..3d39e57 100644
impl Write for Cursor<&mut Vec<u8>> {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
vec_write(&mut self.pos, self.inner, buf)
}
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
vec_write_vectored(&mut self.pos, self.inner, bufs)
}
@@ -349,12 +350,13 @@ impl Write for Cursor<&mut Vec<u8>> {
@@ -349,7 +345,7 @@ impl Write for Cursor<&mut Vec<u8>> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -494,13 +466,7 @@ index 873da08..3d39e57 100644
impl Write for Cursor<Vec<u8>> {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
vec_write(&mut self.pos, &mut self.inner, buf)
}
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
vec_write_vectored(&mut self.pos, &mut self.inner, bufs)
}
@@ -362,13 +364,14 @@ impl Write for Cursor<Vec<u8>> {
@@ -362,8 +358,8 @@ impl Write for Cursor<Vec<u8>> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -511,12 +477,6 @@ index 873da08..3d39e57 100644
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
slice_write(&mut self.pos, &mut self.inner, buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
slice_write_vectored(&mut self.pos, &mut self.inner, bufs)
diff --git a/error.rs b/error.rs
index 614b791..e4ce8b5 100644
--- a/error.rs
@ -841,10 +801,10 @@ index 614b791..e4ce8b5 100644
fn _is_sync_send<T: Sync+Send>() {}
_is_sync_send::<Error>();
diff --git a/impls.rs b/impls.rs
index b286e40..7472d9c 100644
index b286e40..17d1bdb 100644
--- a/impls.rs
+++ b/impls.rs
@@ -1,19 +1,22 @@
@@ -1,13 +1,15 @@
-use crate::cmp;
-use crate::io::{self, SeekFrom, Read, Initializer, Write, Seek, BufRead, Error, ErrorKind, IoVecMut,
- IoVec};
@ -852,8 +812,8 @@ index b286e40..7472d9c 100644
-use crate::mem;
+#[cfg(feature="alloc")] use alloc::boxed::Box;
+use core::cmp;
+use crate::io::{self, SeekFrom, Read, Initializer, Write, Seek, Error, ErrorKind};
+#[cfg(feature="collections")] use crate::io::{BufRead, IoVecMut, IoVec};
+use crate::io::{self, SeekFrom, Read, Initializer, Write, Seek, Error, ErrorKind, IoVecMut, IoVec};
+#[cfg(feature="collections")] use crate::io::BufRead;
+use core::fmt;
+use core::mem;
+#[cfg(feature="collections")] use collections::string::String;
@ -866,14 +826,7 @@ index b286e40..7472d9c 100644
impl<R: Read + ?Sized> Read for &mut R {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
(**self).read(buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
(**self).read_vectored(bufs)
@@ -24,11 +27,13 @@ impl<R: Read + ?Sized> Read for &mut R {
@@ -24,11 +26,13 @@ impl<R: Read + ?Sized> Read for &mut R {
(**self).initializer()
}
@ -887,7 +840,7 @@ index b286e40..7472d9c 100644
#[inline]
fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> {
(**self).read_to_string(buf)
@@ -39,11 +44,11 @@ impl<R: Read + ?Sized> Read for &mut R {
@@ -39,7 +43,6 @@ impl<R: Read + ?Sized> Read for &mut R {
(**self).read_exact(buf)
}
}
@ -895,12 +848,7 @@ index b286e40..7472d9c 100644
impl<W: Write + ?Sized> Write for &mut W {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { (**self).write(buf) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
(**self).write_vectored(bufs)
@@ -62,12 +67,11 @@ impl<W: Write + ?Sized> Write for &mut W {
@@ -62,12 +65,11 @@ impl<W: Write + ?Sized> Write for &mut W {
(**self).write_fmt(fmt)
}
}
@ -914,7 +862,7 @@ index b286e40..7472d9c 100644
impl<B: BufRead + ?Sized> BufRead for &mut B {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { (**self).fill_buf() }
@@ -86,13 +90,14 @@ impl<B: BufRead + ?Sized> BufRead for &mut B {
@@ -86,7 +88,7 @@ impl<B: BufRead + ?Sized> BufRead for &mut B {
}
}
@ -923,14 +871,7 @@ index b286e40..7472d9c 100644
impl<R: Read + ?Sized> Read for Box<R> {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
(**self).read(buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
(**self).read_vectored(bufs)
@@ -103,11 +108,13 @@ impl<R: Read + ?Sized> Read for Box<R> {
@@ -103,11 +105,13 @@ impl<R: Read + ?Sized> Read for Box<R> {
(**self).initializer()
}
@ -944,7 +885,7 @@ index b286e40..7472d9c 100644
#[inline]
fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> {
(**self).read_to_string(buf)
@@ -118,11 +125,12 @@ impl<R: Read + ?Sized> Read for Box<R> {
@@ -118,7 +122,7 @@ impl<R: Read + ?Sized> Read for Box<R> {
(**self).read_exact(buf)
}
}
@ -953,12 +894,7 @@ index b286e40..7472d9c 100644
impl<W: Write + ?Sized> Write for Box<W> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { (**self).write(buf) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
(**self).write_vectored(bufs)
@@ -141,12 +149,12 @@ impl<W: Write + ?Sized> Write for Box<W> {
@@ -141,12 +145,12 @@ impl<W: Write + ?Sized> Write for Box<W> {
(**self).write_fmt(fmt)
}
}
@ -973,7 +909,7 @@ index b286e40..7472d9c 100644
impl<B: BufRead + ?Sized> BufRead for Box<B> {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { (**self).fill_buf() }
@@ -186,7 +194,6 @@ impl Write for Box<dyn (::realstd::io::Write) + Send> {
@@ -186,7 +190,6 @@ impl Write for Box<dyn (::realstd::io::Write) + Send> {
///
/// Note that reading updates the slice to point to the yet unread part.
/// The slice will be empty when EOF is reached.
@ -981,15 +917,7 @@ index b286e40..7472d9c 100644
impl Read for &[u8] {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
@@ -206,6 +213,7 @@ impl Read for &[u8] {
Ok(amt)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nread = 0;
@@ -245,6 +253,7 @@ impl Read for &[u8] {
@@ -245,6 +248,7 @@ impl Read for &[u8] {
Ok(())
}
@ -997,7 +925,7 @@ index b286e40..7472d9c 100644
#[inline]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> io::Result<usize> {
buf.extend_from_slice(*self);
@@ -254,7 +263,7 @@ impl Read for &[u8] {
@@ -254,7 +258,7 @@ impl Read for &[u8] {
}
}
@ -1006,7 +934,7 @@ index b286e40..7472d9c 100644
impl BufRead for &[u8] {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { Ok(*self) }
@@ -268,7 +277,6 @@ impl BufRead for &[u8] {
@@ -268,7 +272,6 @@ impl BufRead for &[u8] {
///
/// Note that writing updates the slice to point to the yet unwritten part.
/// The slice will be empty when it has been completely overwritten.
@ -1014,15 +942,7 @@ index b286e40..7472d9c 100644
impl Write for &mut [u8] {
#[inline]
fn write(&mut self, data: &[u8]) -> io::Result<usize> {
@@ -279,6 +287,7 @@ impl Write for &mut [u8] {
Ok(amt)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let mut nwritten = 0;
@@ -307,7 +316,7 @@ impl Write for &mut [u8] {
@@ -307,7 +310,7 @@ impl Write for &mut [u8] {
/// Write is implemented for `Vec<u8>` by appending to the vector.
/// The vector will grow as needed.
@ -1031,14 +951,6 @@ index b286e40..7472d9c 100644
impl Write for Vec<u8> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
@@ -315,6 +324,7 @@ impl Write for Vec<u8> {
Ok(buf.len())
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let len = bufs.iter().map(|b| b.len()).sum();
diff --git a/mod.rs b/mod.rs
index 1a2152a..85652f4 100644
--- a/mod.rs
@ -1072,9 +984,9 @@ index 1a2152a..85652f4 100644
+mod memchr;
+#[cfg(all(feature="collections",core_memchr))]
+use core::slice::memchr;
+#[cfg(feature="collections")] use core::ops::{Deref, DerefMut};
+use core::ptr;
+use core::slice;
+use core::ops::{Deref, DerefMut};
+use core::ptr;
+
+#[cfg(feature="collections")] pub use self::buffered::{BufReader, BufWriter, LineWriter};
+#[cfg(feature="collections")] pub use self::buffered::IntoInnerError;
@ -1134,23 +1046,7 @@ index 1a2152a..85652f4 100644
fn read_to_end_with_reservation<R: Read + ?Sized>(r: &mut R,
buf: &mut Vec<u8>,
reservation_size: usize) -> Result<usize>
@@ -390,6 +381,7 @@ fn read_to_end_with_reservation<R: Read + ?Sized>(r: &mut R,
ret
}
+#[cfg(feature="collections")]
pub(crate) fn default_read_vectored<F>(read: F, bufs: &mut [IoVecMut<'_>]) -> Result<usize>
where
F: FnOnce(&mut [u8]) -> Result<usize>
@@ -401,6 +393,7 @@ where
read(buf)
}
+#[cfg(feature="collections")]
pub(crate) fn default_write_vectored<F>(write: F, bufs: &[IoVec<'_>]) -> Result<usize>
where
F: FnOnce(&[u8]) -> Result<usize>
@@ -484,7 +477,6 @@ where
@@ -484,7 +475,6 @@ where
/// [`BufReader`]: struct.BufReader.html
/// [`&str`]: ../../std/primitive.str.html
/// [slice]: ../../std/primitive.slice.html
@ -1158,7 +1054,7 @@ index 1a2152a..85652f4 100644
#[doc(spotlight)]
pub trait Read {
/// Pull some bytes from this source into the specified buffer, returning
@@ -541,7 +533,6 @@ pub trait Read {
@@ -541,7 +531,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1166,16 +1062,15 @@ index 1a2152a..85652f4 100644
fn read(&mut self, buf: &mut [u8]) -> Result<usize>;
/// Like `read`, except that it reads into a slice of buffers.
@@ -552,7 +543,7 @@ pub trait Read {
@@ -552,7 +541,6 @@ pub trait Read {
///
/// The default implementation calls `read` with either the first nonempty
/// buffer provided, or an empty one if none exists.
- #[unstable(feature = "iovec", issue = "58452")]
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> Result<usize> {
default_read_vectored(|b| self.read(b), bufs)
}
@@ -579,7 +570,6 @@ pub trait Read {
@@ -579,7 +567,6 @@ pub trait Read {
///
/// [`Initializer::nop()`]: ../../std/io/struct.Initializer.html#method.nop
/// [`Initializer`]: ../../std/io/struct.Initializer.html
@ -1183,7 +1078,7 @@ index 1a2152a..85652f4 100644
#[inline]
unsafe fn initializer(&self) -> Initializer {
Initializer::zeroing()
@@ -632,7 +622,7 @@ pub trait Read {
@@ -632,7 +619,7 @@ pub trait Read {
/// file.)
///
/// [`std::fs::read`]: ../fs/fn.read.html
@ -1192,7 +1087,7 @@ index 1a2152a..85652f4 100644
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
read_to_end(self, buf)
}
@@ -675,7 +665,7 @@ pub trait Read {
@@ -675,7 +662,7 @@ pub trait Read {
/// reading from a file.)
///
/// [`std::fs::read_to_string`]: ../fs/fn.read_to_string.html
@ -1201,7 +1096,7 @@ index 1a2152a..85652f4 100644
fn read_to_string(&mut self, buf: &mut String) -> Result<usize> {
// Note that we do *not* call `.read_to_end()` here. We are passing
// `&mut Vec<u8>` (the raw contents of `buf`) into the `read_to_end`
@@ -738,7 +728,6 @@ pub trait Read {
@@ -738,7 +725,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1209,7 +1104,7 @@ index 1a2152a..85652f4 100644
fn read_exact(&mut self, mut buf: &mut [u8]) -> Result<()> {
while !buf.is_empty() {
match self.read(buf) {
@@ -790,7 +779,6 @@ pub trait Read {
@@ -790,7 +776,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1217,7 +1112,7 @@ index 1a2152a..85652f4 100644
fn by_ref(&mut self) -> &mut Self where Self: Sized { self }
/// Transforms this `Read` instance to an [`Iterator`] over its bytes.
@@ -827,7 +815,6 @@ pub trait Read {
@@ -827,7 +812,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1225,7 +1120,7 @@ index 1a2152a..85652f4 100644
fn bytes(self) -> Bytes<Self> where Self: Sized {
Bytes { inner: self }
}
@@ -862,7 +849,6 @@ pub trait Read {
@@ -862,7 +846,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1233,7 +1128,7 @@ index 1a2152a..85652f4 100644
fn chain<R: Read>(self, next: R) -> Chain<Self, R> where Self: Sized {
Chain { first: self, second: next, done_first: false }
}
@@ -898,42 +884,77 @@ pub trait Read {
@@ -898,22 +881,52 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1243,10 +1138,8 @@ index 1a2152a..85652f4 100644
}
}
+#[cfg(feature="collections")]
+pub struct IoVecBuffer<'a>(&'a [u8]);
+
+#[cfg(feature="collections")]
+impl<'a> IoVecBuffer<'a> {
+ #[inline]
+ pub fn new(buf: &'a [u8]) -> IoVecBuffer<'a> {
@ -1258,10 +1151,9 @@ index 1a2152a..85652f4 100644
+ self.0
+ }
+}
+#[cfg(feature="collections")]
+
+pub struct IoVecMutBuffer<'a>(&'a mut [u8]);
+
+#[cfg(feature="collections")]
+impl<'a> IoVecMutBuffer<'a> {
+ #[inline]
+ pub fn new(buf: &'a mut [u8]) -> IoVecMutBuffer<'a> {
@ -1285,23 +1177,15 @@ index 1a2152a..85652f4 100644
/// ABI compatible with the `iovec` type on Unix platforms and `WSABUF` on
/// Windows.
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
#[repr(transparent)]
-pub struct IoVecMut<'a>(sys::io::IoVecMut<'a>);
+pub struct IoVecMut<'a>(IoVecMutBuffer<'a>);
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> fmt::Debug for IoVecMut<'a> {
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
fmt::Debug::fmt(self.0.as_slice(), fmt)
}
}
+#[cfg(feature="collections")]
impl<'a> IoVecMut<'a> {
/// Creates a new `IoVecMut` wrapping a byte slice.
///
@@ -926,14 +939,12 @@ impl<'a> IoVecMut<'a> {
/// # Panics
///
/// Panics on Windows if the slice is larger than 4GB.
@ -1314,41 +1198,31 @@ index 1a2152a..85652f4 100644
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> Deref for IoVecMut<'a> {
type Target = [u8];
@@ -943,7 +964,7 @@ impl<'a> Deref for IoVecMut<'a> {
@@ -943,7 +954,6 @@ impl<'a> Deref for IoVecMut<'a> {
}
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> DerefMut for IoVecMut<'a> {
#[inline]
fn deref_mut(&mut self) -> &mut [u8] {
@@ -956,31 +977,31 @@ impl<'a> DerefMut for IoVecMut<'a> {
@@ -956,11 +966,9 @@ impl<'a> DerefMut for IoVecMut<'a> {
/// It is semantically a wrapper around an `&[u8]`, but is guaranteed to be
/// ABI compatible with the `iovec` type on Unix platforms and `WSABUF` on
/// Windows.
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
#[repr(transparent)]
-pub struct IoVec<'a>(sys::io::IoVec<'a>);
+pub struct IoVec<'a>(IoVecBuffer<'a>);
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> fmt::Debug for IoVec<'a> {
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
fmt::Debug::fmt(self.0.as_slice(), fmt)
}
}
+#[cfg(feature="collections")]
impl<'a> IoVec<'a> {
/// Creates a new `IoVec` wrapping a byte slice.
///
@@ -973,14 +981,12 @@ impl<'a> IoVec<'a> {
/// # Panics
///
/// Panics on Windows if the slice is larger than 4GB.
@ -1361,11 +1235,10 @@ index 1a2152a..85652f4 100644
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> Deref for IoVec<'a> {
type Target = [u8];
@@ -991,13 +1012,11 @@ impl<'a> Deref for IoVec<'a> {
@@ -991,13 +997,11 @@ impl<'a> Deref for IoVec<'a> {
}
/// A type used to conditionally initialize buffers passed to `Read` methods.
@ -1379,7 +1252,7 @@ index 1a2152a..85652f4 100644
#[inline]
pub fn zeroing() -> Initializer {
Initializer(true)
@@ -1011,21 +1030,18 @@ impl Initializer {
@@ -1011,21 +1015,18 @@ impl Initializer {
/// read from buffers passed to `Read` methods, and that the return value of
/// the method accurately reflects the number of bytes that have been
/// written to the head of the buffer.
@ -1401,7 +1274,7 @@ index 1a2152a..85652f4 100644
#[inline]
pub fn initialize(&self, buf: &mut [u8]) {
if self.should_initialize() {
@@ -1068,7 +1084,6 @@ impl Initializer {
@@ -1068,7 +1069,6 @@ impl Initializer {
/// Ok(())
/// }
/// ```
@ -1409,7 +1282,7 @@ index 1a2152a..85652f4 100644
#[doc(spotlight)]
pub trait Write {
/// Write a buffer into this writer, returning how many bytes were written.
@@ -1117,7 +1132,6 @@ pub trait Write {
@@ -1117,7 +1117,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1417,16 +1290,15 @@ index 1a2152a..85652f4 100644
fn write(&mut self, buf: &[u8]) -> Result<usize>;
/// Like `write`, except that it writes from a slice of buffers.
@@ -1128,7 +1142,7 @@ pub trait Write {
@@ -1128,7 +1127,6 @@ pub trait Write {
///
/// The default implementation calls `write` with either the first nonempty
/// buffer provided, or an empty one if none exists.
- #[unstable(feature = "iovec", issue = "58452")]
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> Result<usize> {
default_write_vectored(|b| self.write(b), bufs)
}
@@ -1156,7 +1170,6 @@ pub trait Write {
@@ -1156,7 +1154,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1434,7 +1306,7 @@ index 1a2152a..85652f4 100644
fn flush(&mut self) -> Result<()>;
/// Attempts to write an entire buffer into this writer.
@@ -1189,7 +1202,6 @@ pub trait Write {
@@ -1189,7 +1186,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1442,7 +1314,7 @@ index 1a2152a..85652f4 100644
fn write_all(&mut self, mut buf: &[u8]) -> Result<()> {
while !buf.is_empty() {
match self.write(buf) {
@@ -1241,7 +1253,6 @@ pub trait Write {
@@ -1241,7 +1237,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1450,7 +1322,7 @@ index 1a2152a..85652f4 100644
fn write_fmt(&mut self, fmt: fmt::Arguments) -> Result<()> {
// Create a shim which translates a Write to a fmt::Write and saves
// off I/O errors. instead of discarding them
@@ -1297,7 +1308,6 @@ pub trait Write {
@@ -1297,7 +1292,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1458,7 +1330,7 @@ index 1a2152a..85652f4 100644
fn by_ref(&mut self) -> &mut Self where Self: Sized { self }
}
@@ -1327,7 +1337,6 @@ pub trait Write {
@@ -1327,7 +1321,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1466,7 +1338,7 @@ index 1a2152a..85652f4 100644
pub trait Seek {
/// Seek to an offset, in bytes, in a stream.
///
@@ -1343,7 +1352,6 @@ pub trait Seek {
@@ -1343,7 +1336,6 @@ pub trait Seek {
/// Seeking to a negative offset is considered an error.
///
/// [`SeekFrom::Start`]: enum.SeekFrom.html#variant.Start
@ -1474,7 +1346,7 @@ index 1a2152a..85652f4 100644
fn seek(&mut self, pos: SeekFrom) -> Result<u64>;
}
@@ -1353,29 +1361,26 @@ pub trait Seek {
@@ -1353,29 +1345,26 @@ pub trait Seek {
///
/// [`Seek`]: trait.Seek.html
#[derive(Copy, PartialEq, Eq, Clone, Debug)]
@ -1508,7 +1380,7 @@ index 1a2152a..85652f4 100644
fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
-> Result<usize> {
let mut read = 0;
@@ -1455,7 +1460,7 @@ fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
@@ -1455,7 +1444,7 @@ fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
/// }
/// ```
///
@ -1517,7 +1389,7 @@ index 1a2152a..85652f4 100644
pub trait BufRead: Read {
/// Returns the contents of the internal buffer, filling it with more data
/// from the inner reader if it is empty.
@@ -1501,7 +1506,6 @@ pub trait BufRead: Read {
@@ -1501,7 +1490,6 @@ pub trait BufRead: Read {
/// // ensure the bytes we worked with aren't returned again later
/// stdin.consume(length);
/// ```
@ -1525,7 +1397,7 @@ index 1a2152a..85652f4 100644
fn fill_buf(&mut self) -> Result<&[u8]>;
/// Tells this buffer that `amt` bytes have been consumed from the buffer,
@@ -1523,7 +1527,6 @@ pub trait BufRead: Read {
@@ -1523,7 +1511,6 @@ pub trait BufRead: Read {
/// that method's example includes an example of `consume()`.
///
/// [`fill_buf`]: #tymethod.fill_buf
@ -1533,7 +1405,7 @@ index 1a2152a..85652f4 100644
fn consume(&mut self, amt: usize);
/// Read all bytes into `buf` until the delimiter `byte` or EOF is reached.
@@ -1579,7 +1582,6 @@ pub trait BufRead: Read {
@@ -1579,7 +1566,6 @@ pub trait BufRead: Read {
/// assert_eq!(num_bytes, 0);
/// assert_eq!(buf, b"");
/// ```
@ -1541,7 +1413,7 @@ index 1a2152a..85652f4 100644
fn read_until(&mut self, byte: u8, buf: &mut Vec<u8>) -> Result<usize> {
read_until(self, byte, buf)
}
@@ -1638,7 +1640,6 @@ pub trait BufRead: Read {
@@ -1638,7 +1624,6 @@ pub trait BufRead: Read {
/// assert_eq!(num_bytes, 0);
/// assert_eq!(buf, "");
/// ```
@ -1549,7 +1421,7 @@ index 1a2152a..85652f4 100644
fn read_line(&mut self, buf: &mut String) -> Result<usize> {
// Note that we are not calling the `.read_until` method here, but
// rather our hardcoded implementation. For more details as to why, see
@@ -1679,7 +1680,6 @@ pub trait BufRead: Read {
@@ -1679,7 +1664,6 @@ pub trait BufRead: Read {
/// assert_eq!(split_iter.next(), Some(b"dolor".to_vec()));
/// assert_eq!(split_iter.next(), None);
/// ```
@ -1557,7 +1429,7 @@ index 1a2152a..85652f4 100644
fn split(self, byte: u8) -> Split<Self> where Self: Sized {
Split { buf: self, delim: byte }
}
@@ -1718,7 +1718,6 @@ pub trait BufRead: Read {
@@ -1718,7 +1702,6 @@ pub trait BufRead: Read {
/// Each line of the iterator has the same error semantics as [`BufRead::read_line`].
///
/// [`BufRead::read_line`]: trait.BufRead.html#method.read_line
@ -1565,7 +1437,7 @@ index 1a2152a..85652f4 100644
fn lines(self) -> Lines<Self> where Self: Sized {
Lines { buf: self }
}
@@ -1730,7 +1729,6 @@ pub trait BufRead: Read {
@@ -1730,7 +1713,6 @@ pub trait BufRead: Read {
/// Please see the documentation of [`chain`] for more details.
///
/// [`chain`]: trait.Read.html#method.chain
@ -1573,7 +1445,7 @@ index 1a2152a..85652f4 100644
pub struct Chain<T, U> {
first: T,
second: U,
@@ -1756,7 +1754,6 @@ impl<T, U> Chain<T, U> {
@@ -1756,7 +1738,6 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1581,7 +1453,7 @@ index 1a2152a..85652f4 100644
pub fn into_inner(self) -> (T, U) {
(self.first, self.second)
}
@@ -1779,7 +1776,6 @@ impl<T, U> Chain<T, U> {
@@ -1779,7 +1760,6 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1589,7 +1461,7 @@ index 1a2152a..85652f4 100644
pub fn get_ref(&self) -> (&T, &U) {
(&self.first, &self.second)
}
@@ -1806,13 +1802,11 @@ impl<T, U> Chain<T, U> {
@@ -1806,13 +1786,11 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1603,7 +1475,7 @@ index 1a2152a..85652f4 100644
impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_struct("Chain")
@@ -1822,7 +1816,6 @@ impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
@@ -1822,7 +1800,6 @@ impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
}
}
@ -1611,15 +1483,7 @@ index 1a2152a..85652f4 100644
impl<T: Read, U: Read> Read for Chain<T, U> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
if !self.done_first {
@@ -1834,6 +1827,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
self.second.read(buf)
}
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> Result<usize> {
if !self.done_first {
match self.first.read_vectored(bufs)? {
@@ -1854,7 +1848,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
@@ -1854,7 +1831,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
}
}
@ -1628,7 +1492,7 @@ index 1a2152a..85652f4 100644
impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
fn fill_buf(&mut self) -> Result<&[u8]> {
if !self.done_first {
@@ -1881,7 +1875,6 @@ impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
@@ -1881,7 +1858,6 @@ impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
/// Please see the documentation of [`take`] for more details.
///
/// [`take`]: trait.Read.html#method.take
@ -1636,7 +1500,7 @@ index 1a2152a..85652f4 100644
#[derive(Debug)]
pub struct Take<T> {
inner: T,
@@ -1916,7 +1909,6 @@ impl<T> Take<T> {
@@ -1916,7 +1892,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1644,7 +1508,7 @@ index 1a2152a..85652f4 100644
pub fn limit(&self) -> u64 { self.limit }
/// Sets the number of bytes that can be read before this instance will
@@ -1942,7 +1934,6 @@ impl<T> Take<T> {
@@ -1942,7 +1917,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1652,7 +1516,7 @@ index 1a2152a..85652f4 100644
pub fn set_limit(&mut self, limit: u64) {
self.limit = limit;
}
@@ -1967,7 +1958,6 @@ impl<T> Take<T> {
@@ -1967,7 +1941,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1660,7 +1524,7 @@ index 1a2152a..85652f4 100644
pub fn into_inner(self) -> T {
self.inner
}
@@ -1992,7 +1982,6 @@ impl<T> Take<T> {
@@ -1992,7 +1965,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1668,7 +1532,7 @@ index 1a2152a..85652f4 100644
pub fn get_ref(&self) -> &T {
&self.inner
}
@@ -2021,13 +2010,11 @@ impl<T> Take<T> {
@@ -2021,13 +1993,11 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1682,16 +1546,16 @@ index 1a2152a..85652f4 100644
impl<T: Read> Read for Take<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
// Don't call into inner reader at all at EOF because it may still block
@@ -2044,15 +2031,9 @@ impl<T: Read> Read for Take<T> {
unsafe fn initializer(&self) -> Initializer {
@@ -2045,6 +2015,7 @@ impl<T: Read> Read for Take<T> {
self.inner.initializer()
}
-
- fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
- let reservation_size = cmp::min(self.limit, 32) as usize;
-
- read_to_end_with_reservation(self, buf, reservation_size)
- }
+ #[cfg(feature="collections")]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
let reservation_size = cmp::min(self.limit, 32) as usize;
@@ -2052,7 +2023,7 @@ impl<T: Read> Read for Take<T> {
}
}
-#[stable(feature = "rust1", since = "1.0.0")]
@ -1699,7 +1563,7 @@ index 1a2152a..85652f4 100644
impl<T: BufRead> BufRead for Take<T> {
fn fill_buf(&mut self) -> Result<&[u8]> {
// Don't call into inner reader at all at EOF because it may still block
@@ -2079,13 +2060,11 @@ impl<T: BufRead> BufRead for Take<T> {
@@ -2079,13 +2050,11 @@ impl<T: BufRead> BufRead for Take<T> {
/// Please see the documentation of [`bytes`] for more details.
///
/// [`bytes`]: trait.Read.html#method.bytes
@ -1713,7 +1577,7 @@ index 1a2152a..85652f4 100644
impl<R: Read> Iterator for Bytes<R> {
type Item = Result<u8>;
@@ -2109,14 +2088,14 @@ impl<R: Read> Iterator for Bytes<R> {
@@ -2109,14 +2078,14 @@ impl<R: Read> Iterator for Bytes<R> {
/// `BufRead`. Please see the documentation of `split()` for more details.
///
/// [split]: trait.BufRead.html#method.split
@ -1730,7 +1594,7 @@ index 1a2152a..85652f4 100644
impl<B: BufRead> Iterator for Split<B> {
type Item = Result<Vec<u8>>;
@@ -2141,13 +2120,13 @@ impl<B: BufRead> Iterator for Split<B> {
@@ -2141,13 +2110,13 @@ impl<B: BufRead> Iterator for Split<B> {
/// `BufRead`. Please see the documentation of `lines()` for more details.
///
/// [lines]: trait.BufRead.html#method.lines
@ -1773,8 +1637,8 @@ index 6aaf8f1..447ce47 100644
-use crate::io::{self, Read, Initializer, Write, ErrorKind, BufRead, IoVec, IoVecMut};
-use crate::mem;
+use core::fmt;
+use crate::io::{self, Read, Initializer, Write, ErrorKind};
+#[cfg(feature="collections")] use crate::io::{BufRead, IoVec, IoVecMut};
+use crate::io::{self, Read, Initializer, Write, ErrorKind, IoVec, IoVecMut};
+#[cfg(feature="collections")] use crate::io::BufRead;
+use core::mem;
/// Copies the entire contents of a reader into a writer.
@ -1843,15 +1707,7 @@ index 6aaf8f1..447ce47 100644
impl Read for Repeat {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
@@ -152,6 +146,7 @@ impl Read for Repeat {
Ok(buf.len())
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nwritten = 0;
@@ -167,7 +162,6 @@ impl Read for Repeat {
@@ -167,7 +161,6 @@ impl Read for Repeat {
}
}
@ -1859,7 +1715,7 @@ index 6aaf8f1..447ce47 100644
impl fmt::Debug for Repeat {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.pad("Repeat { .. }")
@@ -180,7 +174,6 @@ impl fmt::Debug for Repeat {
@@ -180,7 +173,6 @@ impl fmt::Debug for Repeat {
/// see the documentation of `sink()` for more details.
///
/// [sink]: fn.sink.html
@ -1867,7 +1723,7 @@ index 6aaf8f1..447ce47 100644
pub struct Sink { _priv: () }
/// Creates an instance of a writer which will successfully consume all data.
@@ -197,14 +190,13 @@ pub struct Sink { _priv: () }
@@ -197,10 +189,8 @@ pub struct Sink { _priv: () }
/// let num_bytes = io::sink().write(&buffer).unwrap();
/// assert_eq!(num_bytes, 5);
/// ```
@ -1878,12 +1734,7 @@ index 6aaf8f1..447ce47 100644
impl Write for Sink {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { Ok(buf.len()) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let total_len = bufs.iter().map(|b| b.len()).sum();
@@ -215,7 +207,6 @@ impl Write for Sink {
@@ -215,7 +205,6 @@ impl Write for Sink {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}

353
patches/d403cd787c98610cf5287301820ad3353b35481d.patch
View File

@ -15,7 +15,7 @@ index 441f6b9..540d4aa 100644
+use core::fmt;
use crate::io::{self, Initializer, DEFAULT_BUF_SIZE, Error, ErrorKind, SeekFrom, IoVec, IoVecMut};
-use crate::memchr;
+use io::memchr;
+use crate::io::memchr;
/// The `BufReader` struct adds buffering to any reader.
///
@ -311,21 +311,19 @@ diff --git a/cursor.rs b/cursor.rs
index 247d45c..f13522d 100644
--- a/cursor.rs
+++ b/cursor.rs
@@ -1,9 +1,10 @@
@@ -1,9 +1,9 @@
use crate::io::prelude::*;
-use crate::cmp;
-use crate::io::{self, Initializer, SeekFrom, Error, ErrorKind, IoVec, IoVecMut};
+use core::cmp;
+use crate::io::{self, Initializer, SeekFrom, Error, ErrorKind};
+#[cfg(feature="collections")] use crate::io::{IoVec, IoVecMut};
use crate::io::{self, Initializer, SeekFrom, Error, ErrorKind, IoVec, IoVecMut};
-use core::convert::TryInto;
+#[cfg(feature="collections")] use core::convert::TryInto;
/// A `Cursor` wraps an in-memory buffer and provides it with a
/// [`Seek`] implementation.
@@ -71,7 +72,6 @@ use core::convert::TryInto;
@@ -71,7 +71,6 @@ use core::convert::TryInto;
/// assert_eq!(&buff.get_ref()[5..15], &[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]);
/// }
/// ```
@ -333,7 +331,7 @@ index 247d45c..f13522d 100644
#[derive(Clone, Debug)]
pub struct Cursor<T> {
inner: T,
@@ -94,7 +94,6 @@ impl<T> Cursor<T> {
@@ -94,7 +93,6 @@ impl<T> Cursor<T> {
/// # fn force_inference(_: &Cursor<Vec<u8>>) {}
/// # force_inference(&buff);
/// ```
@ -341,7 +339,7 @@ index 247d45c..f13522d 100644
pub fn new(inner: T) -> Cursor<T> {
Cursor { pos: 0, inner: inner }
}
@@ -112,7 +111,6 @@ impl<T> Cursor<T> {
@@ -112,7 +110,6 @@ impl<T> Cursor<T> {
///
/// let vec = buff.into_inner();
/// ```
@ -349,7 +347,7 @@ index 247d45c..f13522d 100644
pub fn into_inner(self) -> T { self.inner }
/// Gets a reference to the underlying value in this cursor.
@@ -128,7 +126,6 @@ impl<T> Cursor<T> {
@@ -128,7 +125,6 @@ impl<T> Cursor<T> {
///
/// let reference = buff.get_ref();
/// ```
@ -357,7 +355,7 @@ index 247d45c..f13522d 100644
pub fn get_ref(&self) -> &T { &self.inner }
/// Gets a mutable reference to the underlying value in this cursor.
@@ -147,7 +144,6 @@ impl<T> Cursor<T> {
@@ -147,7 +143,6 @@ impl<T> Cursor<T> {
///
/// let reference = buff.get_mut();
/// ```
@ -365,7 +363,7 @@ index 247d45c..f13522d 100644
pub fn get_mut(&mut self) -> &mut T { &mut self.inner }
/// Returns the current position of this cursor.
@@ -169,7 +165,6 @@ impl<T> Cursor<T> {
@@ -169,7 +164,6 @@ impl<T> Cursor<T> {
/// buff.seek(SeekFrom::Current(-1)).unwrap();
/// assert_eq!(buff.position(), 1);
/// ```
@ -373,7 +371,7 @@ index 247d45c..f13522d 100644
pub fn position(&self) -> u64 { self.pos }
/// Sets the position of this cursor.
@@ -189,11 +184,9 @@ impl<T> Cursor<T> {
@@ -189,11 +183,9 @@ impl<T> Cursor<T> {
/// buff.set_position(4);
/// assert_eq!(buff.position(), 4);
/// ```
@ -385,7 +383,7 @@ index 247d45c..f13522d 100644
impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
fn seek(&mut self, style: SeekFrom) -> io::Result<u64> {
let (base_pos, offset) = match style {
@@ -222,14 +215,14 @@ impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
@@ -222,10 +214,9 @@ impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
}
}
@ -397,12 +395,7 @@ index 247d45c..f13522d 100644
self.pos += n as u64;
Ok(n)
}
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nread = 0;
for buf in bufs {
@@ -244,7 +237,7 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
@@ -244,7 +235,7 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
fn read_exact(&mut self, buf: &mut [u8]) -> io::Result<()> {
let n = buf.len();
@ -411,7 +404,7 @@ index 247d45c..f13522d 100644
self.pos += n as u64;
Ok(())
}
@@ -255,12 +248,16 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
@@ -255,12 +246,16 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
}
}
@ -431,15 +424,7 @@ index 247d45c..f13522d 100644
fn consume(&mut self, amt: usize) { self.pos += amt as u64; }
}
@@ -272,6 +269,7 @@ fn slice_write(pos_mut: &mut u64, slice: &mut [u8], buf: &[u8]) -> io::Result<us
Ok(amt)
}
+#[cfg(feature="collections")]
fn slice_write_vectored(
pos_mut: &mut u64,
slice: &mut [u8],
@@ -290,6 +288,7 @@ fn slice_write_vectored(
@@ -290,6 +285,7 @@ fn slice_write_vectored(
}
// Resizing write implementation
@ -447,7 +432,7 @@ index 247d45c..f13522d 100644
fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usize> {
let pos: usize = (*pos_mut).try_into().map_err(|_| {
Error::new(ErrorKind::InvalidInput,
@@ -316,6 +315,7 @@ fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usi
@@ -316,6 +312,7 @@ fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usi
Ok(buf.len())
}
@ -455,7 +440,7 @@ index 247d45c..f13522d 100644
fn vec_write_vectored(
pos_mut: &mut u64,
vec: &mut Vec<u8>,
@@ -329,13 +329,13 @@ fn vec_write_vectored(
@@ -329,7 +326,6 @@ fn vec_write_vectored(
Ok(nwritten)
}
@ -463,14 +448,7 @@ index 247d45c..f13522d 100644
impl Write for Cursor<&mut [u8]> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
slice_write(&mut self.pos, self.inner, buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
slice_write_vectored(&mut self.pos, self.inner, bufs)
@@ -344,12 +344,13 @@ impl Write for Cursor<&mut [u8]> {
@@ -344,7 +340,7 @@ impl Write for Cursor<&mut [u8]> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -479,13 +457,7 @@ index 247d45c..f13522d 100644
impl Write for Cursor<&mut Vec<u8>> {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
vec_write(&mut self.pos, self.inner, buf)
}
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
vec_write_vectored(&mut self.pos, self.inner, bufs)
}
@@ -357,12 +358,13 @@ impl Write for Cursor<&mut Vec<u8>> {
@@ -357,7 +353,7 @@ impl Write for Cursor<&mut Vec<u8>> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -494,13 +466,7 @@ index 247d45c..f13522d 100644
impl Write for Cursor<Vec<u8>> {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
vec_write(&mut self.pos, &mut self.inner, buf)
}
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
vec_write_vectored(&mut self.pos, &mut self.inner, bufs)
}
@@ -370,13 +372,14 @@ impl Write for Cursor<Vec<u8>> {
@@ -370,8 +366,8 @@ impl Write for Cursor<Vec<u8>> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -511,12 +477,6 @@ index 247d45c..f13522d 100644
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
slice_write(&mut self.pos, &mut self.inner, buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
slice_write_vectored(&mut self.pos, &mut self.inner, bufs)
diff --git a/error.rs b/error.rs
index 614b791..e4ce8b5 100644
--- a/error.rs
@ -844,7 +804,7 @@ diff --git a/impls.rs b/impls.rs
index b286e40..7472d9c 100644
--- a/impls.rs
+++ b/impls.rs
@@ -1,19 +1,22 @@
@@ -1,13 +1,15 @@
-use crate::cmp;
-use crate::io::{self, SeekFrom, Read, Initializer, Write, Seek, BufRead, Error, ErrorKind, IoVecMut,
- IoVec};
@ -852,8 +812,8 @@ index b286e40..7472d9c 100644
-use crate::mem;
+#[cfg(feature="alloc")] use alloc::boxed::Box;
+use core::cmp;
+use crate::io::{self, SeekFrom, Read, Initializer, Write, Seek, Error, ErrorKind};
+#[cfg(feature="collections")] use crate::io::{BufRead, IoVecMut, IoVec};
+use crate::io::{self, SeekFrom, Read, Initializer, Write, Seek, Error, ErrorKind, IoVecMut, IoVec};
+#[cfg(feature="collections")] use crate::io::BufRead;
+use core::fmt;
+use core::mem;
+#[cfg(feature="collections")] use collections::string::String;
@ -866,14 +826,7 @@ index b286e40..7472d9c 100644
impl<R: Read + ?Sized> Read for &mut R {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
(**self).read(buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
(**self).read_vectored(bufs)
@@ -24,11 +27,13 @@ impl<R: Read + ?Sized> Read for &mut R {
@@ -24,11 +26,13 @@ impl<R: Read + ?Sized> Read for &mut R {
(**self).initializer()
}
@ -887,7 +840,7 @@ index b286e40..7472d9c 100644
#[inline]
fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> {
(**self).read_to_string(buf)
@@ -39,11 +44,11 @@ impl<R: Read + ?Sized> Read for &mut R {
@@ -39,7 +43,6 @@ impl<R: Read + ?Sized> Read for &mut R {
(**self).read_exact(buf)
}
}
@ -895,12 +848,7 @@ index b286e40..7472d9c 100644
impl<W: Write + ?Sized> Write for &mut W {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { (**self).write(buf) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
(**self).write_vectored(bufs)
@@ -62,12 +67,11 @@ impl<W: Write + ?Sized> Write for &mut W {
@@ -62,12 +65,11 @@ impl<W: Write + ?Sized> Write for &mut W {
(**self).write_fmt(fmt)
}
}
@ -914,7 +862,7 @@ index b286e40..7472d9c 100644
impl<B: BufRead + ?Sized> BufRead for &mut B {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { (**self).fill_buf() }
@@ -86,13 +90,14 @@ impl<B: BufRead + ?Sized> BufRead for &mut B {
@@ -86,7 +88,7 @@ impl<B: BufRead + ?Sized> BufRead for &mut B {
}
}
@ -923,14 +871,7 @@ index b286e40..7472d9c 100644
impl<R: Read + ?Sized> Read for Box<R> {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
(**self).read(buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
(**self).read_vectored(bufs)
@@ -103,11 +108,13 @@ impl<R: Read + ?Sized> Read for Box<R> {
@@ -103,11 +105,13 @@ impl<R: Read + ?Sized> Read for Box<R> {
(**self).initializer()
}
@ -944,7 +885,7 @@ index b286e40..7472d9c 100644
#[inline]
fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> {
(**self).read_to_string(buf)
@@ -118,11 +125,12 @@ impl<R: Read + ?Sized> Read for Box<R> {
@@ -118,7 +122,7 @@ impl<R: Read + ?Sized> Read for Box<R> {
(**self).read_exact(buf)
}
}
@ -953,12 +894,7 @@ index b286e40..7472d9c 100644
impl<W: Write + ?Sized> Write for Box<W> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { (**self).write(buf) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
(**self).write_vectored(bufs)
@@ -141,12 +149,12 @@ impl<W: Write + ?Sized> Write for Box<W> {
@@ -141,12 +145,12 @@ impl<W: Write + ?Sized> Write for Box<W> {
(**self).write_fmt(fmt)
}
}
@ -973,7 +909,7 @@ index b286e40..7472d9c 100644
impl<B: BufRead + ?Sized> BufRead for Box<B> {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { (**self).fill_buf() }
@@ -186,7 +194,6 @@ impl Write for Box<dyn (::realstd::io::Write) + Send> {
@@ -186,7 +190,6 @@ impl Write for Box<dyn (::realstd::io::Write) + Send> {
///
/// Note that reading updates the slice to point to the yet unread part.
/// The slice will be empty when EOF is reached.
@ -981,15 +917,7 @@ index b286e40..7472d9c 100644
impl Read for &[u8] {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
@@ -206,6 +213,7 @@ impl Read for &[u8] {
Ok(amt)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nread = 0;
@@ -245,6 +253,7 @@ impl Read for &[u8] {
@@ -245,6 +248,7 @@ impl Read for &[u8] {
Ok(())
}
@ -997,7 +925,7 @@ index b286e40..7472d9c 100644
#[inline]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> io::Result<usize> {
buf.extend_from_slice(*self);
@@ -254,7 +263,7 @@ impl Read for &[u8] {
@@ -254,7 +258,7 @@ impl Read for &[u8] {
}
}
@ -1006,7 +934,7 @@ index b286e40..7472d9c 100644
impl BufRead for &[u8] {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { Ok(*self) }
@@ -268,7 +277,6 @@ impl BufRead for &[u8] {
@@ -268,7 +272,6 @@ impl BufRead for &[u8] {
///
/// Note that writing updates the slice to point to the yet unwritten part.
/// The slice will be empty when it has been completely overwritten.
@ -1014,15 +942,7 @@ index b286e40..7472d9c 100644
impl Write for &mut [u8] {
#[inline]
fn write(&mut self, data: &[u8]) -> io::Result<usize> {
@@ -279,6 +287,7 @@ impl Write for &mut [u8] {
Ok(amt)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let mut nwritten = 0;
@@ -307,7 +316,7 @@ impl Write for &mut [u8] {
@@ -307,7 +310,7 @@ impl Write for &mut [u8] {
/// Write is implemented for `Vec<u8>` by appending to the vector.
/// The vector will grow as needed.
@ -1031,14 +951,6 @@ index b286e40..7472d9c 100644
impl Write for Vec<u8> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
@@ -315,6 +324,7 @@ impl Write for Vec<u8> {
Ok(buf.len())
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let len = bufs.iter().map(|b| b.len()).sum();
diff --git a/mod.rs b/mod.rs
index 7147b64..2059b5a 100644
--- a/mod.rs
@ -1072,9 +984,9 @@ index 7147b64..2059b5a 100644
+mod memchr;
+#[cfg(all(feature="collections",core_memchr))]
+use core::slice::memchr;
+#[cfg(feature="collections")] use core::ops::{Deref, DerefMut};
+use core::ptr;
+use core::slice;
+use core::ops::{Deref, DerefMut};
+use core::ptr;
+
+#[cfg(feature="collections")] pub use self::buffered::{BufReader, BufWriter, LineWriter};
+#[cfg(feature="collections")] pub use self::buffered::IntoInnerError;
@ -1134,23 +1046,7 @@ index 7147b64..2059b5a 100644
fn read_to_end_with_reservation<R: Read + ?Sized>(r: &mut R,
buf: &mut Vec<u8>,
reservation_size: usize) -> Result<usize>
@@ -390,6 +381,7 @@ fn read_to_end_with_reservation<R: Read + ?Sized>(r: &mut R,
ret
}
+#[cfg(feature="collections")]
pub(crate) fn default_read_vectored<F>(read: F, bufs: &mut [IoVecMut<'_>]) -> Result<usize>
where
F: FnOnce(&mut [u8]) -> Result<usize>
@@ -401,6 +393,7 @@ where
read(buf)
}
+#[cfg(feature="collections")]
pub(crate) fn default_write_vectored<F>(write: F, bufs: &[IoVec<'_>]) -> Result<usize>
where
F: FnOnce(&[u8]) -> Result<usize>
@@ -484,7 +477,6 @@ where
@@ -484,7 +475,6 @@ where
/// [`BufReader`]: struct.BufReader.html
/// [`&str`]: ../../std/primitive.str.html
/// [slice]: ../../std/primitive.slice.html
@ -1158,7 +1054,7 @@ index 7147b64..2059b5a 100644
#[doc(spotlight)]
pub trait Read {
/// Pull some bytes from this source into the specified buffer, returning
@@ -541,7 +533,6 @@ pub trait Read {
@@ -541,7 +531,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1166,16 +1062,15 @@ index 7147b64..2059b5a 100644
fn read(&mut self, buf: &mut [u8]) -> Result<usize>;
/// Like `read`, except that it reads into a slice of buffers.
@@ -552,7 +543,7 @@ pub trait Read {
@@ -552,7 +541,6 @@ pub trait Read {
///
/// The default implementation calls `read` with either the first nonempty
/// buffer provided, or an empty one if none exists.
- #[unstable(feature = "iovec", issue = "58452")]
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> Result<usize> {
default_read_vectored(|b| self.read(b), bufs)
}
@@ -579,7 +570,6 @@ pub trait Read {
@@ -579,7 +567,6 @@ pub trait Read {
///
/// [`Initializer::nop()`]: ../../std/io/struct.Initializer.html#method.nop
/// [`Initializer`]: ../../std/io/struct.Initializer.html
@ -1183,7 +1078,7 @@ index 7147b64..2059b5a 100644
#[inline]
unsafe fn initializer(&self) -> Initializer {
Initializer::zeroing()
@@ -632,7 +622,7 @@ pub trait Read {
@@ -632,7 +619,7 @@ pub trait Read {
/// file.)
///
/// [`std::fs::read`]: ../fs/fn.read.html
@ -1192,7 +1087,7 @@ index 7147b64..2059b5a 100644
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
read_to_end(self, buf)
}
@@ -675,7 +665,7 @@ pub trait Read {
@@ -675,7 +662,7 @@ pub trait Read {
/// reading from a file.)
///
/// [`std::fs::read_to_string`]: ../fs/fn.read_to_string.html
@ -1201,7 +1096,7 @@ index 7147b64..2059b5a 100644
fn read_to_string(&mut self, buf: &mut String) -> Result<usize> {
// Note that we do *not* call `.read_to_end()` here. We are passing
// `&mut Vec<u8>` (the raw contents of `buf`) into the `read_to_end`
@@ -738,7 +728,6 @@ pub trait Read {
@@ -738,7 +725,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1209,7 +1104,7 @@ index 7147b64..2059b5a 100644
fn read_exact(&mut self, mut buf: &mut [u8]) -> Result<()> {
while !buf.is_empty() {
match self.read(buf) {
@@ -790,7 +779,6 @@ pub trait Read {
@@ -790,7 +776,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1217,7 +1112,7 @@ index 7147b64..2059b5a 100644
fn by_ref(&mut self) -> &mut Self where Self: Sized { self }
/// Transforms this `Read` instance to an [`Iterator`] over its bytes.
@@ -827,7 +815,6 @@ pub trait Read {
@@ -827,7 +812,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1225,7 +1120,7 @@ index 7147b64..2059b5a 100644
fn bytes(self) -> Bytes<Self> where Self: Sized {
Bytes { inner: self }
}
@@ -862,7 +849,6 @@ pub trait Read {
@@ -862,7 +846,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1233,7 +1128,7 @@ index 7147b64..2059b5a 100644
fn chain<R: Read>(self, next: R) -> Chain<Self, R> where Self: Sized {
Chain { first: self, second: next, done_first: false }
}
@@ -898,42 +884,77 @@ pub trait Read {
@@ -898,22 +881,52 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1243,10 +1138,8 @@ index 7147b64..2059b5a 100644
}
}
+#[cfg(feature="collections")]
+pub struct IoVecBuffer<'a>(&'a [u8]);
+
+#[cfg(feature="collections")]
+impl<'a> IoVecBuffer<'a> {
+ #[inline]
+ pub fn new(buf: &'a [u8]) -> IoVecBuffer<'a> {
@ -1258,10 +1151,9 @@ index 7147b64..2059b5a 100644
+ self.0
+ }
+}
+#[cfg(feature="collections")]
+
+pub struct IoVecMutBuffer<'a>(&'a mut [u8]);
+
+#[cfg(feature="collections")]
+impl<'a> IoVecMutBuffer<'a> {
+ #[inline]
+ pub fn new(buf: &'a mut [u8]) -> IoVecMutBuffer<'a> {
@ -1285,23 +1177,15 @@ index 7147b64..2059b5a 100644
/// ABI compatible with the `iovec` type on Unix platforms and `WSABUF` on
/// Windows.
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
#[repr(transparent)]
-pub struct IoVecMut<'a>(sys::io::IoVecMut<'a>);
+pub struct IoVecMut<'a>(IoVecMutBuffer<'a>);
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> fmt::Debug for IoVecMut<'a> {
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
fmt::Debug::fmt(self.0.as_slice(), fmt)
}
}
+#[cfg(feature="collections")]
impl<'a> IoVecMut<'a> {
/// Creates a new `IoVecMut` wrapping a byte slice.
///
@@ -926,14 +939,12 @@ impl<'a> IoVecMut<'a> {
/// # Panics
///
/// Panics on Windows if the slice is larger than 4GB.
@ -1314,41 +1198,31 @@ index 7147b64..2059b5a 100644
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> Deref for IoVecMut<'a> {
type Target = [u8];
@@ -943,7 +964,7 @@ impl<'a> Deref for IoVecMut<'a> {
@@ -943,7 +954,6 @@ impl<'a> Deref for IoVecMut<'a> {
}
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> DerefMut for IoVecMut<'a> {
#[inline]
fn deref_mut(&mut self) -> &mut [u8] {
@@ -956,31 +977,31 @@ impl<'a> DerefMut for IoVecMut<'a> {
@@ -956,11 +966,9 @@ impl<'a> DerefMut for IoVecMut<'a> {
/// It is semantically a wrapper around an `&[u8]`, but is guaranteed to be
/// ABI compatible with the `iovec` type on Unix platforms and `WSABUF` on
/// Windows.
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
#[repr(transparent)]
-pub struct IoVec<'a>(sys::io::IoVec<'a>);
+pub struct IoVec<'a>(IoVecBuffer<'a>);
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> fmt::Debug for IoVec<'a> {
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
fmt::Debug::fmt(self.0.as_slice(), fmt)
}
}
+#[cfg(feature="collections")]
impl<'a> IoVec<'a> {
/// Creates a new `IoVec` wrapping a byte slice.
///
@@ -973,14 +981,12 @@ impl<'a> IoVec<'a> {
/// # Panics
///
/// Panics on Windows if the slice is larger than 4GB.
@ -1361,11 +1235,10 @@ index 7147b64..2059b5a 100644
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> Deref for IoVec<'a> {
type Target = [u8];
@@ -991,13 +1012,11 @@ impl<'a> Deref for IoVec<'a> {
@@ -991,13 +997,11 @@ impl<'a> Deref for IoVec<'a> {
}
/// A type used to conditionally initialize buffers passed to `Read` methods.
@ -1379,7 +1252,7 @@ index 7147b64..2059b5a 100644
#[inline]
pub fn zeroing() -> Initializer {
Initializer(true)
@@ -1011,21 +1030,18 @@ impl Initializer {
@@ -1011,21 +1015,18 @@ impl Initializer {
/// read from buffers passed to `Read` methods, and that the return value of
/// the method accurately reflects the number of bytes that have been
/// written to the head of the buffer.
@ -1401,7 +1274,7 @@ index 7147b64..2059b5a 100644
#[inline]
pub fn initialize(&self, buf: &mut [u8]) {
if self.should_initialize() {
@@ -1068,7 +1084,6 @@ impl Initializer {
@@ -1068,7 +1069,6 @@ impl Initializer {
/// Ok(())
/// }
/// ```
@ -1409,7 +1282,7 @@ index 7147b64..2059b5a 100644
#[doc(spotlight)]
pub trait Write {
/// Write a buffer into this writer, returning how many bytes were written.
@@ -1117,7 +1132,6 @@ pub trait Write {
@@ -1117,7 +1117,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1417,16 +1290,15 @@ index 7147b64..2059b5a 100644
fn write(&mut self, buf: &[u8]) -> Result<usize>;
/// Like `write`, except that it writes from a slice of buffers.
@@ -1128,7 +1142,7 @@ pub trait Write {
@@ -1128,7 +1127,6 @@ pub trait Write {
///
/// The default implementation calls `write` with either the first nonempty
/// buffer provided, or an empty one if none exists.
- #[unstable(feature = "iovec", issue = "58452")]
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> Result<usize> {
default_write_vectored(|b| self.write(b), bufs)
}
@@ -1156,7 +1170,6 @@ pub trait Write {
@@ -1156,7 +1154,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1434,7 +1306,7 @@ index 7147b64..2059b5a 100644
fn flush(&mut self) -> Result<()>;
/// Attempts to write an entire buffer into this writer.
@@ -1189,7 +1202,6 @@ pub trait Write {
@@ -1189,7 +1186,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1442,7 +1314,7 @@ index 7147b64..2059b5a 100644
fn write_all(&mut self, mut buf: &[u8]) -> Result<()> {
while !buf.is_empty() {
match self.write(buf) {
@@ -1241,7 +1253,6 @@ pub trait Write {
@@ -1241,7 +1237,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1450,7 +1322,7 @@ index 7147b64..2059b5a 100644
fn write_fmt(&mut self, fmt: fmt::Arguments) -> Result<()> {
// Create a shim which translates a Write to a fmt::Write and saves
// off I/O errors. instead of discarding them
@@ -1297,7 +1308,6 @@ pub trait Write {
@@ -1297,7 +1292,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1458,7 +1330,7 @@ index 7147b64..2059b5a 100644
fn by_ref(&mut self) -> &mut Self where Self: Sized { self }
}
@@ -1327,7 +1337,6 @@ pub trait Write {
@@ -1327,7 +1321,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1466,7 +1338,7 @@ index 7147b64..2059b5a 100644
pub trait Seek {
/// Seek to an offset, in bytes, in a stream.
///
@@ -1343,7 +1352,6 @@ pub trait Seek {
@@ -1343,7 +1336,6 @@ pub trait Seek {
/// Seeking to a negative offset is considered an error.
///
/// [`SeekFrom::Start`]: enum.SeekFrom.html#variant.Start
@ -1474,7 +1346,7 @@ index 7147b64..2059b5a 100644
fn seek(&mut self, pos: SeekFrom) -> Result<u64>;
/// Returns the length of this stream (in bytes).
@@ -1381,7 +1389,6 @@ pub trait Seek {
@@ -1381,7 +1373,6 @@ pub trait Seek {
/// Ok(())
/// }
/// ```
@ -1482,7 +1354,7 @@ index 7147b64..2059b5a 100644
fn stream_len(&mut self) -> Result<u64> {
let old_pos = self.stream_position()?;
let len = self.seek(SeekFrom::End(0))?;
@@ -1420,7 +1427,6 @@ pub trait Seek {
@@ -1420,7 +1411,6 @@ pub trait Seek {
/// Ok(())
/// }
/// ```
@ -1490,7 +1362,7 @@ index 7147b64..2059b5a 100644
fn stream_position(&mut self) -> Result<u64> {
self.seek(SeekFrom::Current(0))
}
@@ -1432,29 +1438,26 @@ pub trait Seek {
@@ -1432,29 +1422,26 @@ pub trait Seek {
///
/// [`Seek`]: trait.Seek.html
#[derive(Copy, PartialEq, Eq, Clone, Debug)]
@ -1524,7 +1396,7 @@ index 7147b64..2059b5a 100644
fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
-> Result<usize> {
let mut read = 0;
@@ -1534,7 +1537,7 @@ fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
@@ -1534,7 +1521,7 @@ fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
/// }
/// ```
///
@ -1533,7 +1405,7 @@ index 7147b64..2059b5a 100644
pub trait BufRead: Read {
/// Returns the contents of the internal buffer, filling it with more data
/// from the inner reader if it is empty.
@@ -1580,7 +1583,6 @@ pub trait BufRead: Read {
@@ -1580,7 +1567,6 @@ pub trait BufRead: Read {
/// // ensure the bytes we worked with aren't returned again later
/// stdin.consume(length);
/// ```
@ -1541,7 +1413,7 @@ index 7147b64..2059b5a 100644
fn fill_buf(&mut self) -> Result<&[u8]>;
/// Tells this buffer that `amt` bytes have been consumed from the buffer,
@@ -1602,7 +1604,6 @@ pub trait BufRead: Read {
@@ -1602,7 +1588,6 @@ pub trait BufRead: Read {
/// that method's example includes an example of `consume()`.
///
/// [`fill_buf`]: #tymethod.fill_buf
@ -1549,7 +1421,7 @@ index 7147b64..2059b5a 100644
fn consume(&mut self, amt: usize);
/// Read all bytes into `buf` until the delimiter `byte` or EOF is reached.
@@ -1658,7 +1659,6 @@ pub trait BufRead: Read {
@@ -1658,7 +1643,6 @@ pub trait BufRead: Read {
/// assert_eq!(num_bytes, 0);
/// assert_eq!(buf, b"");
/// ```
@ -1557,7 +1429,7 @@ index 7147b64..2059b5a 100644
fn read_until(&mut self, byte: u8, buf: &mut Vec<u8>) -> Result<usize> {
read_until(self, byte, buf)
}
@@ -1717,7 +1717,6 @@ pub trait BufRead: Read {
@@ -1717,7 +1701,6 @@ pub trait BufRead: Read {
/// assert_eq!(num_bytes, 0);
/// assert_eq!(buf, "");
/// ```
@ -1565,7 +1437,7 @@ index 7147b64..2059b5a 100644
fn read_line(&mut self, buf: &mut String) -> Result<usize> {
// Note that we are not calling the `.read_until` method here, but
// rather our hardcoded implementation. For more details as to why, see
@@ -1758,7 +1757,6 @@ pub trait BufRead: Read {
@@ -1758,7 +1741,6 @@ pub trait BufRead: Read {
/// assert_eq!(split_iter.next(), Some(b"dolor".to_vec()));
/// assert_eq!(split_iter.next(), None);
/// ```
@ -1573,7 +1445,7 @@ index 7147b64..2059b5a 100644
fn split(self, byte: u8) -> Split<Self> where Self: Sized {
Split { buf: self, delim: byte }
}
@@ -1797,7 +1795,6 @@ pub trait BufRead: Read {
@@ -1797,7 +1779,6 @@ pub trait BufRead: Read {
/// Each line of the iterator has the same error semantics as [`BufRead::read_line`].
///
/// [`BufRead::read_line`]: trait.BufRead.html#method.read_line
@ -1581,7 +1453,7 @@ index 7147b64..2059b5a 100644
fn lines(self) -> Lines<Self> where Self: Sized {
Lines { buf: self }
}
@@ -1809,7 +1806,6 @@ pub trait BufRead: Read {
@@ -1809,7 +1790,6 @@ pub trait BufRead: Read {
/// Please see the documentation of [`chain`] for more details.
///
/// [`chain`]: trait.Read.html#method.chain
@ -1589,7 +1461,7 @@ index 7147b64..2059b5a 100644
pub struct Chain<T, U> {
first: T,
second: U,
@@ -1835,7 +1831,6 @@ impl<T, U> Chain<T, U> {
@@ -1835,7 +1815,6 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1597,7 +1469,7 @@ index 7147b64..2059b5a 100644
pub fn into_inner(self) -> (T, U) {
(self.first, self.second)
}
@@ -1858,7 +1853,6 @@ impl<T, U> Chain<T, U> {
@@ -1858,7 +1837,6 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1605,7 +1477,7 @@ index 7147b64..2059b5a 100644
pub fn get_ref(&self) -> (&T, &U) {
(&self.first, &self.second)
}
@@ -1885,13 +1879,11 @@ impl<T, U> Chain<T, U> {
@@ -1885,13 +1863,11 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1619,7 +1491,7 @@ index 7147b64..2059b5a 100644
impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_struct("Chain")
@@ -1901,7 +1893,6 @@ impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
@@ -1901,7 +1877,6 @@ impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
}
}
@ -1627,15 +1499,7 @@ index 7147b64..2059b5a 100644
impl<T: Read, U: Read> Read for Chain<T, U> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
if !self.done_first {
@@ -1913,6 +1904,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
self.second.read(buf)
}
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> Result<usize> {
if !self.done_first {
match self.first.read_vectored(bufs)? {
@@ -1933,7 +1925,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
@@ -1933,7 +1908,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
}
}
@ -1644,7 +1508,7 @@ index 7147b64..2059b5a 100644
impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
fn fill_buf(&mut self) -> Result<&[u8]> {
if !self.done_first {
@@ -1960,7 +1952,6 @@ impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
@@ -1960,7 +1935,6 @@ impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
/// Please see the documentation of [`take`] for more details.
///
/// [`take`]: trait.Read.html#method.take
@ -1652,7 +1516,7 @@ index 7147b64..2059b5a 100644
#[derive(Debug)]
pub struct Take<T> {
inner: T,
@@ -1995,7 +1986,6 @@ impl<T> Take<T> {
@@ -1995,7 +1969,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1660,7 +1524,7 @@ index 7147b64..2059b5a 100644
pub fn limit(&self) -> u64 { self.limit }
/// Sets the number of bytes that can be read before this instance will
@@ -2021,7 +2011,6 @@ impl<T> Take<T> {
@@ -2021,7 +1994,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1668,7 +1532,7 @@ index 7147b64..2059b5a 100644
pub fn set_limit(&mut self, limit: u64) {
self.limit = limit;
}
@@ -2046,7 +2035,6 @@ impl<T> Take<T> {
@@ -2046,7 +2018,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1676,7 +1540,7 @@ index 7147b64..2059b5a 100644
pub fn into_inner(self) -> T {
self.inner
}
@@ -2071,7 +2059,6 @@ impl<T> Take<T> {
@@ -2071,7 +2042,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1684,7 +1548,7 @@ index 7147b64..2059b5a 100644
pub fn get_ref(&self) -> &T {
&self.inner
}
@@ -2100,13 +2087,11 @@ impl<T> Take<T> {
@@ -2100,13 +2070,11 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1698,16 +1562,16 @@ index 7147b64..2059b5a 100644
impl<T: Read> Read for Take<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
// Don't call into inner reader at all at EOF because it may still block
@@ -2123,15 +2108,9 @@ impl<T: Read> Read for Take<T> {
unsafe fn initializer(&self) -> Initializer {
@@ -2124,6 +2092,7 @@ impl<T: Read> Read for Take<T> {
self.inner.initializer()
}
-
- fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
- let reservation_size = cmp::min(self.limit, 32) as usize;
-
- read_to_end_with_reservation(self, buf, reservation_size)
- }
+ #[cfg(feature="collections")]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
let reservation_size = cmp::min(self.limit, 32) as usize;
@@ -2131,7 +2100,7 @@ impl<T: Read> Read for Take<T> {
}
}
-#[stable(feature = "rust1", since = "1.0.0")]
@ -1715,7 +1579,7 @@ index 7147b64..2059b5a 100644
impl<T: BufRead> BufRead for Take<T> {
fn fill_buf(&mut self) -> Result<&[u8]> {
// Don't call into inner reader at all at EOF because it may still block
@@ -2158,13 +2137,11 @@ impl<T: BufRead> BufRead for Take<T> {
@@ -2158,13 +2127,11 @@ impl<T: BufRead> BufRead for Take<T> {
/// Please see the documentation of [`bytes`] for more details.
///
/// [`bytes`]: trait.Read.html#method.bytes
@ -1729,7 +1593,7 @@ index 7147b64..2059b5a 100644
impl<R: Read> Iterator for Bytes<R> {
type Item = Result<u8>;
@@ -2188,14 +2165,14 @@ impl<R: Read> Iterator for Bytes<R> {
@@ -2188,14 +2155,14 @@ impl<R: Read> Iterator for Bytes<R> {
/// `BufRead`. Please see the documentation of `split()` for more details.
///
/// [split]: trait.BufRead.html#method.split
@ -1746,7 +1610,7 @@ index 7147b64..2059b5a 100644
impl<B: BufRead> Iterator for Split<B> {
type Item = Result<Vec<u8>>;
@@ -2220,13 +2197,13 @@ impl<B: BufRead> Iterator for Split<B> {
@@ -2220,13 +2187,13 @@ impl<B: BufRead> Iterator for Split<B> {
/// `BufRead`. Please see the documentation of `lines()` for more details.
///
/// [lines]: trait.BufRead.html#method.lines
@ -1789,8 +1653,8 @@ index 6aaf8f1..447ce47 100644
-use crate::io::{self, Read, Initializer, Write, ErrorKind, BufRead, IoVec, IoVecMut};
-use crate::mem;
+use core::fmt;
+use crate::io::{self, Read, Initializer, Write, ErrorKind};
+#[cfg(feature="collections")] use crate::io::{BufRead, IoVec, IoVecMut};
+use crate::io::{self, Read, Initializer, Write, ErrorKind, IoVec, IoVecMut};
+#[cfg(feature="collections")] use crate::io::BufRead;
+use core::mem;
/// Copies the entire contents of a reader into a writer.
@ -1859,15 +1723,7 @@ index 6aaf8f1..447ce47 100644
impl Read for Repeat {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
@@ -152,6 +146,7 @@ impl Read for Repeat {
Ok(buf.len())
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nwritten = 0;
@@ -167,7 +162,6 @@ impl Read for Repeat {
@@ -167,7 +161,6 @@ impl Read for Repeat {
}
}
@ -1875,7 +1731,7 @@ index 6aaf8f1..447ce47 100644
impl fmt::Debug for Repeat {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.pad("Repeat { .. }")
@@ -180,7 +174,6 @@ impl fmt::Debug for Repeat {
@@ -180,7 +173,6 @@ impl fmt::Debug for Repeat {
/// see the documentation of `sink()` for more details.
///
/// [sink]: fn.sink.html
@ -1883,7 +1739,7 @@ index 6aaf8f1..447ce47 100644
pub struct Sink { _priv: () }
/// Creates an instance of a writer which will successfully consume all data.
@@ -197,14 +190,13 @@ pub struct Sink { _priv: () }
@@ -197,10 +189,8 @@ pub struct Sink { _priv: () }
/// let num_bytes = io::sink().write(&buffer).unwrap();
/// assert_eq!(num_bytes, 5);
/// ```
@ -1894,12 +1750,7 @@ index 6aaf8f1..447ce47 100644
impl Write for Sink {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { Ok(buf.len()) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let total_len = bufs.iter().map(|b| b.len()).sum();
@@ -215,7 +207,6 @@ impl Write for Sink {
@@ -215,7 +205,6 @@ impl Write for Sink {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}

26
patches/d60fa1d3c21e00bedc0dd94dc2df7e5183c14c48.patch
View File

@ -962,8 +962,8 @@ index 0991957..010e352 100644
+mod memchr;
+#[cfg(all(feature="collections",core_memchr))]
+use core::slice::memchr;
+use core::ptr;
+use core::slice;
+use core::ptr;
+
+#[cfg(feature="collections")] pub use self::buffered::{BufReader, BufWriter, LineWriter};
+#[cfg(feature="collections")] pub use self::buffered::IntoInnerError;
@ -1404,16 +1404,16 @@ index 0991957..010e352 100644
impl<T: Read> Read for Take<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1898,15 +1847,9 @@ impl<T: Read> Read for Take<T> {
unsafe fn initializer(&self) -> Initializer {
@@ -1899,6 +1848,7 @@ impl<T: Read> Read for Take<T> {
self.inner.initializer()
}
-
- fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
- let reservation_size = cmp::min(self.limit, 32) as usize;
-
- read_to_end_with_reservation(self, buf, reservation_size)
- }
+ #[cfg(feature="collections")]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
let reservation_size = cmp::min(self.limit, 32) as usize;
@@ -1906,7 +1856,7 @@ impl<T: Read> Read for Take<T> {
}
}
-#[stable(feature = "rust1", since = "1.0.0")]
@ -1421,7 +1421,7 @@ index 0991957..010e352 100644
impl<T: BufRead> BufRead for Take<T> {
fn fill_buf(&mut self) -> Result<&[u8]> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1933,13 +1876,11 @@ impl<T: BufRead> BufRead for Take<T> {
@@ -1933,13 +1883,11 @@ impl<T: BufRead> BufRead for Take<T> {
/// Please see the documentation of [`bytes`] for more details.
///
/// [`bytes`]: trait.Read.html#method.bytes
@ -1435,7 +1435,7 @@ index 0991957..010e352 100644
impl<R: Read> Iterator for Bytes<R> {
type Item = Result<u8>;
@@ -1963,14 +1904,14 @@ impl<R: Read> Iterator for Bytes<R> {
@@ -1963,14 +1911,14 @@ impl<R: Read> Iterator for Bytes<R> {
/// `BufRead`. Please see the documentation of `split()` for more details.
///
/// [split]: trait.BufRead.html#method.split
@ -1452,7 +1452,7 @@ index 0991957..010e352 100644
impl<B: BufRead> Iterator for Split<B> {
type Item = Result<Vec<u8>>;
@@ -1995,13 +1936,13 @@ impl<B: BufRead> Iterator for Split<B> {
@@ -1995,13 +1943,13 @@ impl<B: BufRead> Iterator for Split<B> {
/// `BufRead`. Please see the documentation of `lines()` for more details.
///
/// [lines]: trait.BufRead.html#method.lines
@ -1496,8 +1496,8 @@ index 8df961a..2b08122 100644
-use mem;
+use core::fmt;
+use io::{self, Read, Initializer, Write, ErrorKind};
+use core::mem;
+#[cfg(feature="collections")] use io::BufRead;
+use core::mem;
/// Copies the entire contents of a reader into a writer.
///

329
patches/e1b8898cfb0392f534cc25808a7f6caad36ebbb7.patch
View File

@ -15,7 +15,7 @@ index a14c10d..3e78c01 100644
+use core::fmt;
use crate::io::{self, Initializer, DEFAULT_BUF_SIZE, Error, ErrorKind, SeekFrom, IoVec, IoVecMut};
-use crate::memchr;
+use io::memchr;
+use crate::io::memchr;
/// The `BufReader` struct adds buffering to any reader.
///
@ -311,21 +311,19 @@ diff --git a/cursor.rs b/cursor.rs
index 873da08..3d39e57 100644
--- a/cursor.rs
+++ b/cursor.rs
@@ -1,9 +1,10 @@
@@ -1,9 +1,9 @@
use crate::io::prelude::*;
-use crate::cmp;
-use crate::io::{self, Initializer, SeekFrom, Error, ErrorKind, IoVec, IoVecMut};
+use core::cmp;
+use crate::io::{self, Initializer, SeekFrom, Error, ErrorKind};
+#[cfg(feature="collections")] use crate::io::{IoVec, IoVecMut};
use crate::io::{self, Initializer, SeekFrom, Error, ErrorKind, IoVec, IoVecMut};
-use core::convert::TryInto;
+#[cfg(feature="collections")] use core::convert::TryInto;
/// A `Cursor` wraps an in-memory buffer and provides it with a
/// [`Seek`] implementation.
@@ -71,7 +72,6 @@ use core::convert::TryInto;
@@ -71,7 +71,6 @@ use core::convert::TryInto;
/// assert_eq!(&buff.get_ref()[5..15], &[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]);
/// }
/// ```
@ -333,7 +331,7 @@ index 873da08..3d39e57 100644
#[derive(Clone, Debug)]
pub struct Cursor<T> {
inner: T,
@@ -94,7 +94,6 @@ impl<T> Cursor<T> {
@@ -94,7 +93,6 @@ impl<T> Cursor<T> {
/// # fn force_inference(_: &Cursor<Vec<u8>>) {}
/// # force_inference(&buff);
/// ```
@ -341,7 +339,7 @@ index 873da08..3d39e57 100644
pub fn new(inner: T) -> Cursor<T> {
Cursor { pos: 0, inner: inner }
}
@@ -112,7 +111,6 @@ impl<T> Cursor<T> {
@@ -112,7 +110,6 @@ impl<T> Cursor<T> {
///
/// let vec = buff.into_inner();
/// ```
@ -349,7 +347,7 @@ index 873da08..3d39e57 100644
pub fn into_inner(self) -> T { self.inner }
/// Gets a reference to the underlying value in this cursor.
@@ -128,7 +126,6 @@ impl<T> Cursor<T> {
@@ -128,7 +125,6 @@ impl<T> Cursor<T> {
///
/// let reference = buff.get_ref();
/// ```
@ -357,7 +355,7 @@ index 873da08..3d39e57 100644
pub fn get_ref(&self) -> &T { &self.inner }
/// Gets a mutable reference to the underlying value in this cursor.
@@ -147,7 +144,6 @@ impl<T> Cursor<T> {
@@ -147,7 +143,6 @@ impl<T> Cursor<T> {
///
/// let reference = buff.get_mut();
/// ```
@ -365,7 +363,7 @@ index 873da08..3d39e57 100644
pub fn get_mut(&mut self) -> &mut T { &mut self.inner }
/// Returns the current position of this cursor.
@@ -169,7 +165,6 @@ impl<T> Cursor<T> {
@@ -169,7 +164,6 @@ impl<T> Cursor<T> {
/// buff.seek(SeekFrom::Current(-1)).unwrap();
/// assert_eq!(buff.position(), 1);
/// ```
@ -373,7 +371,7 @@ index 873da08..3d39e57 100644
pub fn position(&self) -> u64 { self.pos }
/// Sets the position of this cursor.
@@ -189,11 +184,9 @@ impl<T> Cursor<T> {
@@ -189,11 +183,9 @@ impl<T> Cursor<T> {
/// buff.set_position(4);
/// assert_eq!(buff.position(), 4);
/// ```
@ -385,7 +383,7 @@ index 873da08..3d39e57 100644
impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
fn seek(&mut self, style: SeekFrom) -> io::Result<u64> {
let (base_pos, offset) = match style {
@@ -214,14 +207,14 @@ impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
@@ -214,10 +206,9 @@ impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
}
}
@ -397,12 +395,7 @@ index 873da08..3d39e57 100644
self.pos += n as u64;
Ok(n)
}
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nread = 0;
for buf in bufs {
@@ -236,7 +229,7 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
@@ -236,7 +227,7 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
fn read_exact(&mut self, buf: &mut [u8]) -> io::Result<()> {
let n = buf.len();
@ -411,7 +404,7 @@ index 873da08..3d39e57 100644
self.pos += n as u64;
Ok(())
}
@@ -247,12 +240,16 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
@@ -247,12 +238,16 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
}
}
@ -431,15 +424,7 @@ index 873da08..3d39e57 100644
fn consume(&mut self, amt: usize) { self.pos += amt as u64; }
}
@@ -264,6 +261,7 @@ fn slice_write(pos_mut: &mut u64, slice: &mut [u8], buf: &[u8]) -> io::Result<us
Ok(amt)
}
+#[cfg(feature="collections")]
fn slice_write_vectored(
pos_mut: &mut u64,
slice: &mut [u8],
@@ -282,6 +280,7 @@ fn slice_write_vectored(
@@ -282,6 +277,7 @@ fn slice_write_vectored(
}
// Resizing write implementation
@ -447,7 +432,7 @@ index 873da08..3d39e57 100644
fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usize> {
let pos: usize = (*pos_mut).try_into().map_err(|_| {
Error::new(ErrorKind::InvalidInput,
@@ -308,6 +307,7 @@ fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usi
@@ -308,6 +304,7 @@ fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usi
Ok(buf.len())
}
@ -455,7 +440,7 @@ index 873da08..3d39e57 100644
fn vec_write_vectored(
pos_mut: &mut u64,
vec: &mut Vec<u8>,
@@ -321,13 +321,13 @@ fn vec_write_vectored(
@@ -321,7 +318,6 @@ fn vec_write_vectored(
Ok(nwritten)
}
@ -463,14 +448,7 @@ index 873da08..3d39e57 100644
impl Write for Cursor<&mut [u8]> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
slice_write(&mut self.pos, self.inner, buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
slice_write_vectored(&mut self.pos, self.inner, bufs)
@@ -336,12 +336,13 @@ impl Write for Cursor<&mut [u8]> {
@@ -336,7 +332,7 @@ impl Write for Cursor<&mut [u8]> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -479,13 +457,7 @@ index 873da08..3d39e57 100644
impl Write for Cursor<&mut Vec<u8>> {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
vec_write(&mut self.pos, self.inner, buf)
}
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
vec_write_vectored(&mut self.pos, self.inner, bufs)
}
@@ -349,12 +350,13 @@ impl Write for Cursor<&mut Vec<u8>> {
@@ -349,7 +345,7 @@ impl Write for Cursor<&mut Vec<u8>> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -494,13 +466,7 @@ index 873da08..3d39e57 100644
impl Write for Cursor<Vec<u8>> {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
vec_write(&mut self.pos, &mut self.inner, buf)
}
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
vec_write_vectored(&mut self.pos, &mut self.inner, bufs)
}
@@ -362,13 +364,14 @@ impl Write for Cursor<Vec<u8>> {
@@ -362,8 +358,8 @@ impl Write for Cursor<Vec<u8>> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -511,12 +477,6 @@ index 873da08..3d39e57 100644
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
slice_write(&mut self.pos, &mut self.inner, buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
slice_write_vectored(&mut self.pos, &mut self.inner, bufs)
diff --git a/error.rs b/error.rs
index 614b791..e4ce8b5 100644
--- a/error.rs
@ -844,7 +804,7 @@ diff --git a/impls.rs b/impls.rs
index b286e40..7472d9c 100644
--- a/impls.rs
+++ b/impls.rs
@@ -1,19 +1,22 @@
@@ -1,13 +1,15 @@
-use crate::cmp;
-use crate::io::{self, SeekFrom, Read, Initializer, Write, Seek, BufRead, Error, ErrorKind, IoVecMut,
- IoVec};
@ -852,8 +812,8 @@ index b286e40..7472d9c 100644
-use crate::mem;
+#[cfg(feature="alloc")] use alloc::boxed::Box;
+use core::cmp;
+use crate::io::{self, SeekFrom, Read, Initializer, Write, Seek, Error, ErrorKind};
+#[cfg(feature="collections")] use crate::io::{BufRead, IoVecMut, IoVec};
+use crate::io::{self, SeekFrom, Read, Initializer, Write, Seek, Error, ErrorKind, IoVecMut, IoVec};
+#[cfg(feature="collections")] use crate::io::BufRead;
+use core::fmt;
+use core::mem;
+#[cfg(feature="collections")] use collections::string::String;
@ -866,14 +826,7 @@ index b286e40..7472d9c 100644
impl<R: Read + ?Sized> Read for &mut R {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
(**self).read(buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
(**self).read_vectored(bufs)
@@ -24,11 +27,13 @@ impl<R: Read + ?Sized> Read for &mut R {
@@ -24,11 +26,13 @@ impl<R: Read + ?Sized> Read for &mut R {
(**self).initializer()
}
@ -887,7 +840,7 @@ index b286e40..7472d9c 100644
#[inline]
fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> {
(**self).read_to_string(buf)
@@ -39,11 +44,11 @@ impl<R: Read + ?Sized> Read for &mut R {
@@ -39,7 +43,6 @@ impl<R: Read + ?Sized> Read for &mut R {
(**self).read_exact(buf)
}
}
@ -895,12 +848,7 @@ index b286e40..7472d9c 100644
impl<W: Write + ?Sized> Write for &mut W {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { (**self).write(buf) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
(**self).write_vectored(bufs)
@@ -62,12 +67,11 @@ impl<W: Write + ?Sized> Write for &mut W {
@@ -62,12 +65,11 @@ impl<W: Write + ?Sized> Write for &mut W {
(**self).write_fmt(fmt)
}
}
@ -914,7 +862,7 @@ index b286e40..7472d9c 100644
impl<B: BufRead + ?Sized> BufRead for &mut B {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { (**self).fill_buf() }
@@ -86,13 +90,14 @@ impl<B: BufRead + ?Sized> BufRead for &mut B {
@@ -86,7 +88,7 @@ impl<B: BufRead + ?Sized> BufRead for &mut B {
}
}
@ -923,14 +871,7 @@ index b286e40..7472d9c 100644
impl<R: Read + ?Sized> Read for Box<R> {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
(**self).read(buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
(**self).read_vectored(bufs)
@@ -103,11 +108,13 @@ impl<R: Read + ?Sized> Read for Box<R> {
@@ -103,11 +105,13 @@ impl<R: Read + ?Sized> Read for Box<R> {
(**self).initializer()
}
@ -944,7 +885,7 @@ index b286e40..7472d9c 100644
#[inline]
fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> {
(**self).read_to_string(buf)
@@ -118,11 +125,12 @@ impl<R: Read + ?Sized> Read for Box<R> {
@@ -118,7 +122,7 @@ impl<R: Read + ?Sized> Read for Box<R> {
(**self).read_exact(buf)
}
}
@ -953,12 +894,7 @@ index b286e40..7472d9c 100644
impl<W: Write + ?Sized> Write for Box<W> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { (**self).write(buf) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
(**self).write_vectored(bufs)
@@ -141,12 +149,12 @@ impl<W: Write + ?Sized> Write for Box<W> {
@@ -141,12 +145,12 @@ impl<W: Write + ?Sized> Write for Box<W> {
(**self).write_fmt(fmt)
}
}
@ -973,7 +909,7 @@ index b286e40..7472d9c 100644
impl<B: BufRead + ?Sized> BufRead for Box<B> {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { (**self).fill_buf() }
@@ -186,7 +194,6 @@ impl Write for Box<dyn (::realstd::io::Write) + Send> {
@@ -186,7 +190,6 @@ impl Write for Box<dyn (::realstd::io::Write) + Send> {
///
/// Note that reading updates the slice to point to the yet unread part.
/// The slice will be empty when EOF is reached.
@ -981,15 +917,7 @@ index b286e40..7472d9c 100644
impl Read for &[u8] {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
@@ -206,6 +213,7 @@ impl Read for &[u8] {
Ok(amt)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nread = 0;
@@ -245,6 +253,7 @@ impl Read for &[u8] {
@@ -245,6 +248,7 @@ impl Read for &[u8] {
Ok(())
}
@ -997,7 +925,7 @@ index b286e40..7472d9c 100644
#[inline]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> io::Result<usize> {
buf.extend_from_slice(*self);
@@ -254,7 +263,7 @@ impl Read for &[u8] {
@@ -254,7 +258,7 @@ impl Read for &[u8] {
}
}
@ -1006,7 +934,7 @@ index b286e40..7472d9c 100644
impl BufRead for &[u8] {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { Ok(*self) }
@@ -268,7 +277,6 @@ impl BufRead for &[u8] {
@@ -268,7 +272,6 @@ impl BufRead for &[u8] {
///
/// Note that writing updates the slice to point to the yet unwritten part.
/// The slice will be empty when it has been completely overwritten.
@ -1014,15 +942,7 @@ index b286e40..7472d9c 100644
impl Write for &mut [u8] {
#[inline]
fn write(&mut self, data: &[u8]) -> io::Result<usize> {
@@ -279,6 +287,7 @@ impl Write for &mut [u8] {
Ok(amt)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let mut nwritten = 0;
@@ -307,7 +316,7 @@ impl Write for &mut [u8] {
@@ -307,7 +310,7 @@ impl Write for &mut [u8] {
/// Write is implemented for `Vec<u8>` by appending to the vector.
/// The vector will grow as needed.
@ -1031,14 +951,6 @@ index b286e40..7472d9c 100644
impl Write for Vec<u8> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
@@ -315,6 +324,7 @@ impl Write for Vec<u8> {
Ok(buf.len())
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let len = bufs.iter().map(|b| b.len()).sum();
diff --git a/mod.rs b/mod.rs
index e3e2754..400eca6 100644
--- a/mod.rs
@ -1072,9 +984,9 @@ index e3e2754..400eca6 100644
+mod memchr;
+#[cfg(all(feature="collections",core_memchr))]
+use core::slice::memchr;
+#[cfg(feature="collections")] use core::ops::{Deref, DerefMut};
+use core::ptr;
+use core::slice;
+use core::ops::{Deref, DerefMut};
+use core::ptr;
+
+#[cfg(feature="collections")] pub use self::buffered::{BufReader, BufWriter, LineWriter};
+#[cfg(feature="collections")] pub use self::buffered::IntoInnerError;
@ -1150,16 +1062,15 @@ index e3e2754..400eca6 100644
fn read(&mut self, buf: &mut [u8]) -> Result<usize>;
/// Like `read`, except that it reads into a slice of buffers.
@@ -530,7 +519,7 @@ pub trait Read {
@@ -530,7 +519,6 @@ pub trait Read {
///
/// The default implementation simply passes the first nonempty buffer to
/// `read`.
- #[unstable(feature = "iovec", issue = "58452")]
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> Result<usize> {
match bufs.iter_mut().find(|b| !b.is_empty()) {
Some(buf) => self.read(buf),
@@ -560,7 +549,6 @@ pub trait Read {
@@ -560,7 +548,6 @@ pub trait Read {
///
/// [`Initializer::nop()`]: ../../std/io/struct.Initializer.html#method.nop
/// [`Initializer`]: ../../std/io/struct.Initializer.html
@ -1167,7 +1078,7 @@ index e3e2754..400eca6 100644
#[inline]
unsafe fn initializer(&self) -> Initializer {
Initializer::zeroing()
@@ -613,7 +601,7 @@ pub trait Read {
@@ -613,7 +600,7 @@ pub trait Read {
/// file.)
///
/// [`std::fs::read`]: ../fs/fn.read.html
@ -1176,7 +1087,7 @@ index e3e2754..400eca6 100644
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
read_to_end(self, buf)
}
@@ -656,7 +644,7 @@ pub trait Read {
@@ -656,7 +643,7 @@ pub trait Read {
/// reading from a file.)
///
/// [`std::fs::read_to_string`]: ../fs/fn.read_to_string.html
@ -1185,7 +1096,7 @@ index e3e2754..400eca6 100644
fn read_to_string(&mut self, buf: &mut String) -> Result<usize> {
// Note that we do *not* call `.read_to_end()` here. We are passing
// `&mut Vec<u8>` (the raw contents of `buf`) into the `read_to_end`
@@ -719,7 +707,6 @@ pub trait Read {
@@ -719,7 +706,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1193,7 +1104,7 @@ index e3e2754..400eca6 100644
fn read_exact(&mut self, mut buf: &mut [u8]) -> Result<()> {
while !buf.is_empty() {
match self.read(buf) {
@@ -771,7 +758,6 @@ pub trait Read {
@@ -771,7 +757,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1201,7 +1112,7 @@ index e3e2754..400eca6 100644
fn by_ref(&mut self) -> &mut Self where Self: Sized { self }
/// Transforms this `Read` instance to an [`Iterator`] over its bytes.
@@ -808,7 +794,6 @@ pub trait Read {
@@ -808,7 +793,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1209,7 +1120,7 @@ index e3e2754..400eca6 100644
fn bytes(self) -> Bytes<Self> where Self: Sized {
Bytes { inner: self }
}
@@ -843,7 +828,6 @@ pub trait Read {
@@ -843,7 +827,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1217,7 +1128,7 @@ index e3e2754..400eca6 100644
fn chain<R: Read>(self, next: R) -> Chain<Self, R> where Self: Sized {
Chain { first: self, second: next, done_first: false }
}
@@ -879,42 +863,77 @@ pub trait Read {
@@ -879,22 +862,52 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1227,10 +1138,8 @@ index e3e2754..400eca6 100644
}
}
+#[cfg(feature="collections")]
+pub struct IoVecBuffer<'a>(&'a [u8]);
+
+#[cfg(feature="collections")]
+impl<'a> IoVecBuffer<'a> {
+ #[inline]
+ pub fn new(buf: &'a [u8]) -> IoVecBuffer<'a> {
@ -1242,10 +1151,9 @@ index e3e2754..400eca6 100644
+ self.0
+ }
+}
+#[cfg(feature="collections")]
+
+pub struct IoVecMutBuffer<'a>(&'a mut [u8]);
+
+#[cfg(feature="collections")]
+impl<'a> IoVecMutBuffer<'a> {
+ #[inline]
+ pub fn new(buf: &'a mut [u8]) -> IoVecMutBuffer<'a> {
@ -1269,23 +1177,15 @@ index e3e2754..400eca6 100644
/// ABI compatible with the `iovec` type on Unix platforms and `WSABUF` on
/// Windows.
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
#[repr(transparent)]
-pub struct IoVecMut<'a>(sys::io::IoVecMut<'a>);
+pub struct IoVecMut<'a>(IoVecMutBuffer<'a>);
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> fmt::Debug for IoVecMut<'a> {
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
fmt::Debug::fmt(self.0.as_slice(), fmt)
}
}
+#[cfg(feature="collections")]
impl<'a> IoVecMut<'a> {
/// Creates a new `IoVecMut` wrapping a byte slice.
///
@@ -907,14 +920,12 @@ impl<'a> IoVecMut<'a> {
/// # Panics
///
/// Panics on Windows if the slice is larger than 4GB.
@ -1298,41 +1198,31 @@ index e3e2754..400eca6 100644
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> Deref for IoVecMut<'a> {
type Target = [u8];
@@ -924,7 +943,7 @@ impl<'a> Deref for IoVecMut<'a> {
@@ -924,7 +935,6 @@ impl<'a> Deref for IoVecMut<'a> {
}
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> DerefMut for IoVecMut<'a> {
#[inline]
fn deref_mut(&mut self) -> &mut [u8] {
@@ -937,31 +956,31 @@ impl<'a> DerefMut for IoVecMut<'a> {
@@ -937,11 +947,9 @@ impl<'a> DerefMut for IoVecMut<'a> {
/// It is semantically a wrapper around an `&[u8]`, but is guaranteed to be
/// ABI compatible with the `iovec` type on Unix platforms and `WSABUF` on
/// Windows.
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
#[repr(transparent)]
-pub struct IoVec<'a>(sys::io::IoVec<'a>);
+pub struct IoVec<'a>(IoVecBuffer<'a>);
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> fmt::Debug for IoVec<'a> {
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
fmt::Debug::fmt(self.0.as_slice(), fmt)
}
}
+#[cfg(feature="collections")]
impl<'a> IoVec<'a> {
/// Creates a new `IoVec` wrapping a byte slice.
///
@@ -954,14 +962,12 @@ impl<'a> IoVec<'a> {
/// # Panics
///
/// Panics on Windows if the slice is larger than 4GB.
@ -1345,11 +1235,10 @@ index e3e2754..400eca6 100644
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> Deref for IoVec<'a> {
type Target = [u8];
@@ -972,13 +991,11 @@ impl<'a> Deref for IoVec<'a> {
@@ -972,13 +978,11 @@ impl<'a> Deref for IoVec<'a> {
}
/// A type used to conditionally initialize buffers passed to `Read` methods.
@ -1363,7 +1252,7 @@ index e3e2754..400eca6 100644
#[inline]
pub fn zeroing() -> Initializer {
Initializer(true)
@@ -992,21 +1009,18 @@ impl Initializer {
@@ -992,21 +996,18 @@ impl Initializer {
/// read from buffers passed to `Read` methods, and that the return value of
/// the method accurately reflects the number of bytes that have been
/// written to the head of the buffer.
@ -1385,7 +1274,7 @@ index e3e2754..400eca6 100644
#[inline]
pub fn initialize(&self, buf: &mut [u8]) {
if self.should_initialize() {
@@ -1049,7 +1063,6 @@ impl Initializer {
@@ -1049,7 +1050,6 @@ impl Initializer {
/// Ok(())
/// }
/// ```
@ -1393,7 +1282,7 @@ index e3e2754..400eca6 100644
#[doc(spotlight)]
pub trait Write {
/// Write a buffer into this writer, returning how many bytes were written.
@@ -1098,7 +1111,6 @@ pub trait Write {
@@ -1098,7 +1098,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1401,16 +1290,15 @@ index e3e2754..400eca6 100644
fn write(&mut self, buf: &[u8]) -> Result<usize>;
/// Like `write`, except that it writes from a slice of buffers.
@@ -1109,7 +1121,7 @@ pub trait Write {
@@ -1109,7 +1108,6 @@ pub trait Write {
///
/// The default implementation simply passes the first nonempty buffer to
/// `write`.
- #[unstable(feature = "iovec", issue = "58452")]
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> Result<usize> {
match bufs.iter().find(|b| !b.is_empty()) {
Some(buf) => self.write(buf),
@@ -1140,7 +1152,6 @@ pub trait Write {
@@ -1140,7 +1138,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1418,7 +1306,7 @@ index e3e2754..400eca6 100644
fn flush(&mut self) -> Result<()>;
/// Attempts to write an entire buffer into this writer.
@@ -1173,7 +1184,6 @@ pub trait Write {
@@ -1173,7 +1170,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1426,7 +1314,7 @@ index e3e2754..400eca6 100644
fn write_all(&mut self, mut buf: &[u8]) -> Result<()> {
while !buf.is_empty() {
match self.write(buf) {
@@ -1225,7 +1235,6 @@ pub trait Write {
@@ -1225,7 +1221,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1434,7 +1322,7 @@ index e3e2754..400eca6 100644
fn write_fmt(&mut self, fmt: fmt::Arguments) -> Result<()> {
// Create a shim which translates a Write to a fmt::Write and saves
// off I/O errors. instead of discarding them
@@ -1281,7 +1290,6 @@ pub trait Write {
@@ -1281,7 +1276,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1442,7 +1330,7 @@ index e3e2754..400eca6 100644
fn by_ref(&mut self) -> &mut Self where Self: Sized { self }
}
@@ -1311,7 +1319,6 @@ pub trait Write {
@@ -1311,7 +1305,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1450,7 +1338,7 @@ index e3e2754..400eca6 100644
pub trait Seek {
/// Seek to an offset, in bytes, in a stream.
///
@@ -1327,7 +1334,6 @@ pub trait Seek {
@@ -1327,7 +1320,6 @@ pub trait Seek {
/// Seeking to a negative offset is considered an error.
///
/// [`SeekFrom::Start`]: enum.SeekFrom.html#variant.Start
@ -1458,7 +1346,7 @@ index e3e2754..400eca6 100644
fn seek(&mut self, pos: SeekFrom) -> Result<u64>;
}
@@ -1337,29 +1343,26 @@ pub trait Seek {
@@ -1337,29 +1329,26 @@ pub trait Seek {
///
/// [`Seek`]: trait.Seek.html
#[derive(Copy, PartialEq, Eq, Clone, Debug)]
@ -1492,7 +1380,7 @@ index e3e2754..400eca6 100644
fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
-> Result<usize> {
let mut read = 0;
@@ -1439,7 +1442,7 @@ fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
@@ -1439,7 +1428,7 @@ fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
/// }
/// ```
///
@ -1501,7 +1389,7 @@ index e3e2754..400eca6 100644
pub trait BufRead: Read {
/// Returns the contents of the internal buffer, filling it with more data
/// from the inner reader if it is empty.
@@ -1485,7 +1488,6 @@ pub trait BufRead: Read {
@@ -1485,7 +1474,6 @@ pub trait BufRead: Read {
/// // ensure the bytes we worked with aren't returned again later
/// stdin.consume(length);
/// ```
@ -1509,7 +1397,7 @@ index e3e2754..400eca6 100644
fn fill_buf(&mut self) -> Result<&[u8]>;
/// Tells this buffer that `amt` bytes have been consumed from the buffer,
@@ -1507,7 +1509,6 @@ pub trait BufRead: Read {
@@ -1507,7 +1495,6 @@ pub trait BufRead: Read {
/// that method's example includes an example of `consume()`.
///
/// [`fill_buf`]: #tymethod.fill_buf
@ -1517,7 +1405,7 @@ index e3e2754..400eca6 100644
fn consume(&mut self, amt: usize);
/// Read all bytes into `buf` until the delimiter `byte` or EOF is reached.
@@ -1563,7 +1564,6 @@ pub trait BufRead: Read {
@@ -1563,7 +1550,6 @@ pub trait BufRead: Read {
/// assert_eq!(num_bytes, 0);
/// assert_eq!(buf, b"");
/// ```
@ -1525,7 +1413,7 @@ index e3e2754..400eca6 100644
fn read_until(&mut self, byte: u8, buf: &mut Vec<u8>) -> Result<usize> {
read_until(self, byte, buf)
}
@@ -1622,7 +1622,6 @@ pub trait BufRead: Read {
@@ -1622,7 +1608,6 @@ pub trait BufRead: Read {
/// assert_eq!(num_bytes, 0);
/// assert_eq!(buf, "");
/// ```
@ -1533,7 +1421,7 @@ index e3e2754..400eca6 100644
fn read_line(&mut self, buf: &mut String) -> Result<usize> {
// Note that we are not calling the `.read_until` method here, but
// rather our hardcoded implementation. For more details as to why, see
@@ -1663,7 +1662,6 @@ pub trait BufRead: Read {
@@ -1663,7 +1648,6 @@ pub trait BufRead: Read {
/// assert_eq!(split_iter.next(), Some(b"dolor".to_vec()));
/// assert_eq!(split_iter.next(), None);
/// ```
@ -1541,7 +1429,7 @@ index e3e2754..400eca6 100644
fn split(self, byte: u8) -> Split<Self> where Self: Sized {
Split { buf: self, delim: byte }
}
@@ -1702,7 +1700,6 @@ pub trait BufRead: Read {
@@ -1702,7 +1686,6 @@ pub trait BufRead: Read {
/// Each line of the iterator has the same error semantics as [`BufRead::read_line`].
///
/// [`BufRead::read_line`]: trait.BufRead.html#method.read_line
@ -1549,7 +1437,7 @@ index e3e2754..400eca6 100644
fn lines(self) -> Lines<Self> where Self: Sized {
Lines { buf: self }
}
@@ -1714,7 +1711,6 @@ pub trait BufRead: Read {
@@ -1714,7 +1697,6 @@ pub trait BufRead: Read {
/// Please see the documentation of [`chain`] for more details.
///
/// [`chain`]: trait.Read.html#method.chain
@ -1557,7 +1445,7 @@ index e3e2754..400eca6 100644
pub struct Chain<T, U> {
first: T,
second: U,
@@ -1740,7 +1736,6 @@ impl<T, U> Chain<T, U> {
@@ -1740,7 +1722,6 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1565,7 +1453,7 @@ index e3e2754..400eca6 100644
pub fn into_inner(self) -> (T, U) {
(self.first, self.second)
}
@@ -1763,7 +1758,6 @@ impl<T, U> Chain<T, U> {
@@ -1763,7 +1744,6 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1573,7 +1461,7 @@ index e3e2754..400eca6 100644
pub fn get_ref(&self) -> (&T, &U) {
(&self.first, &self.second)
}
@@ -1790,13 +1784,11 @@ impl<T, U> Chain<T, U> {
@@ -1790,13 +1770,11 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1587,7 +1475,7 @@ index e3e2754..400eca6 100644
impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_struct("Chain")
@@ -1806,7 +1798,6 @@ impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
@@ -1806,7 +1784,6 @@ impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
}
}
@ -1595,15 +1483,7 @@ index e3e2754..400eca6 100644
impl<T: Read, U: Read> Read for Chain<T, U> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
if !self.done_first {
@@ -1818,6 +1809,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
self.second.read(buf)
}
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> Result<usize> {
if !self.done_first {
match self.first.read_vectored(bufs)? {
@@ -1838,7 +1830,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
@@ -1838,7 +1815,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
}
}
@ -1612,7 +1492,7 @@ index e3e2754..400eca6 100644
impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
fn fill_buf(&mut self) -> Result<&[u8]> {
if !self.done_first {
@@ -1865,7 +1857,6 @@ impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
@@ -1865,7 +1842,6 @@ impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
/// Please see the documentation of [`take`] for more details.
///
/// [`take`]: trait.Read.html#method.take
@ -1620,7 +1500,7 @@ index e3e2754..400eca6 100644
#[derive(Debug)]
pub struct Take<T> {
inner: T,
@@ -1900,7 +1891,6 @@ impl<T> Take<T> {
@@ -1900,7 +1876,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1628,7 +1508,7 @@ index e3e2754..400eca6 100644
pub fn limit(&self) -> u64 { self.limit }
/// Sets the number of bytes that can be read before this instance will
@@ -1926,7 +1916,6 @@ impl<T> Take<T> {
@@ -1926,7 +1901,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1636,7 +1516,7 @@ index e3e2754..400eca6 100644
pub fn set_limit(&mut self, limit: u64) {
self.limit = limit;
}
@@ -1951,7 +1940,6 @@ impl<T> Take<T> {
@@ -1951,7 +1925,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1644,7 +1524,7 @@ index e3e2754..400eca6 100644
pub fn into_inner(self) -> T {
self.inner
}
@@ -1976,7 +1964,6 @@ impl<T> Take<T> {
@@ -1976,7 +1949,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1652,7 +1532,7 @@ index e3e2754..400eca6 100644
pub fn get_ref(&self) -> &T {
&self.inner
}
@@ -2005,13 +1992,11 @@ impl<T> Take<T> {
@@ -2005,13 +1977,11 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1666,16 +1546,16 @@ index e3e2754..400eca6 100644
impl<T: Read> Read for Take<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
// Don't call into inner reader at all at EOF because it may still block
@@ -2028,15 +2013,9 @@ impl<T: Read> Read for Take<T> {
unsafe fn initializer(&self) -> Initializer {
@@ -2029,6 +1999,7 @@ impl<T: Read> Read for Take<T> {
self.inner.initializer()
}
-
- fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
- let reservation_size = cmp::min(self.limit, 32) as usize;
-
- read_to_end_with_reservation(self, buf, reservation_size)
- }
+ #[cfg(feature="collections")]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
let reservation_size = cmp::min(self.limit, 32) as usize;
@@ -2036,7 +2007,7 @@ impl<T: Read> Read for Take<T> {
}
}
-#[stable(feature = "rust1", since = "1.0.0")]
@ -1683,7 +1563,7 @@ index e3e2754..400eca6 100644
impl<T: BufRead> BufRead for Take<T> {
fn fill_buf(&mut self) -> Result<&[u8]> {
// Don't call into inner reader at all at EOF because it may still block
@@ -2063,13 +2042,11 @@ impl<T: BufRead> BufRead for Take<T> {
@@ -2063,13 +2034,11 @@ impl<T: BufRead> BufRead for Take<T> {
/// Please see the documentation of [`bytes`] for more details.
///
/// [`bytes`]: trait.Read.html#method.bytes
@ -1697,7 +1577,7 @@ index e3e2754..400eca6 100644
impl<R: Read> Iterator for Bytes<R> {
type Item = Result<u8>;
@@ -2093,14 +2070,14 @@ impl<R: Read> Iterator for Bytes<R> {
@@ -2093,14 +2062,14 @@ impl<R: Read> Iterator for Bytes<R> {
/// `BufRead`. Please see the documentation of `split()` for more details.
///
/// [split]: trait.BufRead.html#method.split
@ -1714,7 +1594,7 @@ index e3e2754..400eca6 100644
impl<B: BufRead> Iterator for Split<B> {
type Item = Result<Vec<u8>>;
@@ -2125,13 +2102,13 @@ impl<B: BufRead> Iterator for Split<B> {
@@ -2125,13 +2094,13 @@ impl<B: BufRead> Iterator for Split<B> {
/// `BufRead`. Please see the documentation of `lines()` for more details.
///
/// [lines]: trait.BufRead.html#method.lines
@ -1757,8 +1637,8 @@ index 6aaf8f1..447ce47 100644
-use crate::io::{self, Read, Initializer, Write, ErrorKind, BufRead, IoVec, IoVecMut};
-use crate::mem;
+use core::fmt;
+use crate::io::{self, Read, Initializer, Write, ErrorKind};
+#[cfg(feature="collections")] use crate::io::{BufRead, IoVec, IoVecMut};
+use crate::io::{self, Read, Initializer, Write, ErrorKind, IoVec, IoVecMut};
+#[cfg(feature="collections")] use crate::io::BufRead;
+use core::mem;
/// Copies the entire contents of a reader into a writer.
@ -1827,15 +1707,7 @@ index 6aaf8f1..447ce47 100644
impl Read for Repeat {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
@@ -152,6 +146,7 @@ impl Read for Repeat {
Ok(buf.len())
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nwritten = 0;
@@ -167,7 +162,6 @@ impl Read for Repeat {
@@ -167,7 +161,6 @@ impl Read for Repeat {
}
}
@ -1843,7 +1715,7 @@ index 6aaf8f1..447ce47 100644
impl fmt::Debug for Repeat {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.pad("Repeat { .. }")
@@ -180,7 +174,6 @@ impl fmt::Debug for Repeat {
@@ -180,7 +173,6 @@ impl fmt::Debug for Repeat {
/// see the documentation of `sink()` for more details.
///
/// [sink]: fn.sink.html
@ -1851,7 +1723,7 @@ index 6aaf8f1..447ce47 100644
pub struct Sink { _priv: () }
/// Creates an instance of a writer which will successfully consume all data.
@@ -197,14 +190,13 @@ pub struct Sink { _priv: () }
@@ -197,10 +189,8 @@ pub struct Sink { _priv: () }
/// let num_bytes = io::sink().write(&buffer).unwrap();
/// assert_eq!(num_bytes, 5);
/// ```
@ -1862,12 +1734,7 @@ index 6aaf8f1..447ce47 100644
impl Write for Sink {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { Ok(buf.len()) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let total_len = bufs.iter().map(|b| b.len()).sum();
@@ -215,7 +207,6 @@ impl Write for Sink {
@@ -215,7 +205,6 @@ impl Write for Sink {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}

26
patches/e3a8f7db479ce6562bfc312f412b65dc4f3c77d5.patch
View File

@ -962,8 +962,8 @@ index b634ea4..1646c3e 100644
+mod memchr;
+#[cfg(all(feature="collections",core_memchr))]
+use core::slice::memchr;
+use core::ptr;
+use core::slice;
+use core::ptr;
+
+#[cfg(feature="collections")] pub use self::buffered::{BufReader, BufWriter, LineWriter};
+#[cfg(feature="collections")] pub use self::buffered::IntoInnerError;
@ -1404,16 +1404,16 @@ index b634ea4..1646c3e 100644
impl<T: Read> Read for Take<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1898,15 +1847,9 @@ impl<T: Read> Read for Take<T> {
unsafe fn initializer(&self) -> Initializer {
@@ -1899,6 +1848,7 @@ impl<T: Read> Read for Take<T> {
self.inner.initializer()
}
-
- fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
- let reservation_size = cmp::min(self.limit, 32) as usize;
-
- read_to_end_with_reservation(self, buf, reservation_size)
- }
+ #[cfg(feature="collections")]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
let reservation_size = cmp::min(self.limit, 32) as usize;
@@ -1906,7 +1856,7 @@ impl<T: Read> Read for Take<T> {
}
}
-#[stable(feature = "rust1", since = "1.0.0")]
@ -1421,7 +1421,7 @@ index b634ea4..1646c3e 100644
impl<T: BufRead> BufRead for Take<T> {
fn fill_buf(&mut self) -> Result<&[u8]> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1933,13 +1876,11 @@ impl<T: BufRead> BufRead for Take<T> {
@@ -1933,13 +1883,11 @@ impl<T: BufRead> BufRead for Take<T> {
/// Please see the documentation of [`bytes`] for more details.
///
/// [`bytes`]: trait.Read.html#method.bytes
@ -1435,7 +1435,7 @@ index b634ea4..1646c3e 100644
impl<R: Read> Iterator for Bytes<R> {
type Item = Result<u8>;
@@ -1963,14 +1904,14 @@ impl<R: Read> Iterator for Bytes<R> {
@@ -1963,14 +1911,14 @@ impl<R: Read> Iterator for Bytes<R> {
/// `BufRead`. Please see the documentation of `split()` for more details.
///
/// [split]: trait.BufRead.html#method.split
@ -1452,7 +1452,7 @@ index b634ea4..1646c3e 100644
impl<B: BufRead> Iterator for Split<B> {
type Item = Result<Vec<u8>>;
@@ -1995,13 +1936,13 @@ impl<B: BufRead> Iterator for Split<B> {
@@ -1995,13 +1943,13 @@ impl<B: BufRead> Iterator for Split<B> {
/// `BufRead`. Please see the documentation of `lines()` for more details.
///
/// [lines]: trait.BufRead.html#method.lines
@ -1496,8 +1496,8 @@ index 8df961a..2b08122 100644
-use mem;
+use core::fmt;
+use io::{self, Read, Initializer, Write, ErrorKind};
+use core::mem;
+#[cfg(feature="collections")] use io::BufRead;
+use core::mem;
/// Copies the entire contents of a reader into a writer.
///

22
patches/ea505fd60b09bbfb127c874a27abac52d44bfe00.patch
View File

@ -1401,16 +1401,16 @@ index b83f3fb..883fa30 100644
impl<T: Read> Read for Take<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1906,15 +1855,9 @@ impl<T: Read> Read for Take<T> {
unsafe fn initializer(&self) -> Initializer {
@@ -1907,6 +1856,7 @@ impl<T: Read> Read for Take<T> {
self.inner.initializer()
}
-
- fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
- let reservation_size = cmp::min(self.limit, 32) as usize;
-
- read_to_end_with_reservation(self, buf, reservation_size)
- }
+ #[cfg(feature="collections")]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
let reservation_size = cmp::min(self.limit, 32) as usize;
@@ -1914,7 +1864,7 @@ impl<T: Read> Read for Take<T> {
}
}
-#[stable(feature = "rust1", since = "1.0.0")]
@ -1418,7 +1418,7 @@ index b83f3fb..883fa30 100644
impl<T: BufRead> BufRead for Take<T> {
fn fill_buf(&mut self) -> Result<&[u8]> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1953,13 +1896,11 @@ fn read_one_byte(reader: &mut dyn Read) -> Option<Result<u8>> {
@@ -1953,13 +1903,11 @@ fn read_one_byte(reader: &mut dyn Read) -> Option<Result<u8>> {
/// Please see the documentation of [`bytes`] for more details.
///
/// [`bytes`]: trait.Read.html#method.bytes
@ -1432,7 +1432,7 @@ index b83f3fb..883fa30 100644
impl<R: Read> Iterator for Bytes<R> {
type Item = Result<u8>;
@@ -1975,14 +1916,14 @@ impl<R: Read> Iterator for Bytes<R> {
@@ -1975,14 +1923,14 @@ impl<R: Read> Iterator for Bytes<R> {
/// `BufRead`. Please see the documentation of `split()` for more details.
///
/// [split]: trait.BufRead.html#method.split
@ -1449,7 +1449,7 @@ index b83f3fb..883fa30 100644
impl<B: BufRead> Iterator for Split<B> {
type Item = Result<Vec<u8>>;
@@ -2007,13 +1948,13 @@ impl<B: BufRead> Iterator for Split<B> {
@@ -2007,13 +1955,13 @@ impl<B: BufRead> Iterator for Split<B> {
/// `BufRead`. Please see the documentation of `lines()` for more details.
///
/// [lines]: trait.BufRead.html#method.lines

26
patches/ebbecac538137fca1c36ceca91337b5ff4d196b5.patch
View File

@ -962,8 +962,8 @@ index 28a6fbd..2f5ae43 100644
+mod memchr;
+#[cfg(all(feature="collections",core_memchr))]
+use core::slice::memchr;
+use core::ptr;
+use core::slice;
+use core::ptr;
+
+#[cfg(feature="collections")] pub use self::buffered::{BufReader, BufWriter, LineWriter};
+#[cfg(feature="collections")] pub use self::buffered::IntoInnerError;
@ -1404,16 +1404,16 @@ index 28a6fbd..2f5ae43 100644
impl<T: Read> Read for Take<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1898,15 +1847,9 @@ impl<T: Read> Read for Take<T> {
unsafe fn initializer(&self) -> Initializer {
@@ -1899,6 +1848,7 @@ impl<T: Read> Read for Take<T> {
self.inner.initializer()
}
-
- fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
- let reservation_size = cmp::min(self.limit, 32) as usize;
-
- read_to_end_with_reservation(self, buf, reservation_size)
- }
+ #[cfg(feature="collections")]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
let reservation_size = cmp::min(self.limit, 32) as usize;
@@ -1906,7 +1856,7 @@ impl<T: Read> Read for Take<T> {
}
}
-#[stable(feature = "rust1", since = "1.0.0")]
@ -1421,7 +1421,7 @@ index 28a6fbd..2f5ae43 100644
impl<T: BufRead> BufRead for Take<T> {
fn fill_buf(&mut self) -> Result<&[u8]> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1933,13 +1876,11 @@ impl<T: BufRead> BufRead for Take<T> {
@@ -1933,13 +1883,11 @@ impl<T: BufRead> BufRead for Take<T> {
/// Please see the documentation of [`bytes`] for more details.
///
/// [`bytes`]: trait.Read.html#method.bytes
@ -1435,7 +1435,7 @@ index 28a6fbd..2f5ae43 100644
impl<R: Read> Iterator for Bytes<R> {
type Item = Result<u8>;
@@ -1963,14 +1904,14 @@ impl<R: Read> Iterator for Bytes<R> {
@@ -1963,14 +1911,14 @@ impl<R: Read> Iterator for Bytes<R> {
/// `BufRead`. Please see the documentation of `split()` for more details.
///
/// [split]: trait.BufRead.html#method.split
@ -1452,7 +1452,7 @@ index 28a6fbd..2f5ae43 100644
impl<B: BufRead> Iterator for Split<B> {
type Item = Result<Vec<u8>>;
@@ -1995,13 +1936,13 @@ impl<B: BufRead> Iterator for Split<B> {
@@ -1995,13 +1943,13 @@ impl<B: BufRead> Iterator for Split<B> {
/// `BufRead`. Please see the documentation of `lines()` for more details.
///
/// [lines]: trait.BufRead.html#method.lines
@ -1496,8 +1496,8 @@ index 8df961a..2b08122 100644
-use mem;
+use core::fmt;
+use io::{self, Read, Initializer, Write, ErrorKind};
+use core::mem;
+#[cfg(feature="collections")] use io::BufRead;
+use core::mem;
/// Copies the entire contents of a reader into a writer.
///

22
patches/eca11b99a7d25e4e6573472a16537c1aacb5d5e1.patch
View File

@ -1401,16 +1401,16 @@ index e263db2..2176464 100644
impl<T: Read> Read for Take<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1907,15 +1856,9 @@ impl<T: Read> Read for Take<T> {
unsafe fn initializer(&self) -> Initializer {
@@ -1908,6 +1857,7 @@ impl<T: Read> Read for Take<T> {
self.inner.initializer()
}
-
- fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
- let reservation_size = cmp::min(self.limit, 32) as usize;
-
- read_to_end_with_reservation(self, buf, reservation_size)
- }
+ #[cfg(feature="collections")]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
let reservation_size = cmp::min(self.limit, 32) as usize;
@@ -1915,7 +1865,7 @@ impl<T: Read> Read for Take<T> {
}
}
-#[stable(feature = "rust1", since = "1.0.0")]
@ -1418,7 +1418,7 @@ index e263db2..2176464 100644
impl<T: BufRead> BufRead for Take<T> {
fn fill_buf(&mut self) -> Result<&[u8]> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1954,13 +1897,11 @@ fn read_one_byte(reader: &mut dyn Read) -> Option<Result<u8>> {
@@ -1954,13 +1904,11 @@ fn read_one_byte(reader: &mut dyn Read) -> Option<Result<u8>> {
/// Please see the documentation of [`bytes`] for more details.
///
/// [`bytes`]: trait.Read.html#method.bytes
@ -1432,7 +1432,7 @@ index e263db2..2176464 100644
impl<R: Read> Iterator for Bytes<R> {
type Item = Result<u8>;
@@ -1976,14 +1917,14 @@ impl<R: Read> Iterator for Bytes<R> {
@@ -1976,14 +1924,14 @@ impl<R: Read> Iterator for Bytes<R> {
/// `BufRead`. Please see the documentation of `split()` for more details.
///
/// [split]: trait.BufRead.html#method.split
@ -1449,7 +1449,7 @@ index e263db2..2176464 100644
impl<B: BufRead> Iterator for Split<B> {
type Item = Result<Vec<u8>>;
@@ -2008,13 +1949,13 @@ impl<B: BufRead> Iterator for Split<B> {
@@ -2008,13 +1956,13 @@ impl<B: BufRead> Iterator for Split<B> {
/// `BufRead`. Please see the documentation of `lines()` for more details.
///
/// [lines]: trait.BufRead.html#method.lines

22
patches/ee89c088b057affb5bdb96195e107a218b64b1c5.patch
View File

@ -1409,16 +1409,16 @@ index dc97701..6ea0b47 100644
impl<T: Read> Read for Take<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1907,15 +1856,9 @@ impl<T: Read> Read for Take<T> {
unsafe fn initializer(&self) -> Initializer {
@@ -1908,6 +1857,7 @@ impl<T: Read> Read for Take<T> {
self.inner.initializer()
}
-
- fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
- let reservation_size = cmp::min(self.limit, 32) as usize;
-
- read_to_end_with_reservation(self, buf, reservation_size)
- }
+ #[cfg(feature="collections")]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
let reservation_size = cmp::min(self.limit, 32) as usize;
@@ -1915,7 +1865,7 @@ impl<T: Read> Read for Take<T> {
}
}
-#[stable(feature = "rust1", since = "1.0.0")]
@ -1426,7 +1426,7 @@ index dc97701..6ea0b47 100644
impl<T: BufRead> BufRead for Take<T> {
fn fill_buf(&mut self) -> Result<&[u8]> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1954,13 +1897,11 @@ fn read_one_byte(reader: &mut dyn Read) -> Option<Result<u8>> {
@@ -1954,13 +1904,11 @@ fn read_one_byte(reader: &mut dyn Read) -> Option<Result<u8>> {
/// Please see the documentation of [`bytes`] for more details.
///
/// [`bytes`]: trait.Read.html#method.bytes
@ -1440,7 +1440,7 @@ index dc97701..6ea0b47 100644
impl<R: Read> Iterator for Bytes<R> {
type Item = Result<u8>;
@@ -1976,14 +1917,14 @@ impl<R: Read> Iterator for Bytes<R> {
@@ -1976,14 +1924,14 @@ impl<R: Read> Iterator for Bytes<R> {
/// `BufRead`. Please see the documentation of `split()` for more details.
///
/// [split]: trait.BufRead.html#method.split
@ -1457,7 +1457,7 @@ index dc97701..6ea0b47 100644
impl<B: BufRead> Iterator for Split<B> {
type Item = Result<Vec<u8>>;
@@ -2008,13 +1949,13 @@ impl<B: BufRead> Iterator for Split<B> {
@@ -2008,13 +1956,13 @@ impl<B: BufRead> Iterator for Split<B> {
/// `BufRead`. Please see the documentation of `lines()` for more details.
///
/// [lines]: trait.BufRead.html#method.lines

329
patches/f22dca0a1bef4141e75326caacc3cd59f3d5be8e.patch
View File

@ -15,7 +15,7 @@ index a14c10d..3e78c01 100644
+use core::fmt;
use crate::io::{self, Initializer, DEFAULT_BUF_SIZE, Error, ErrorKind, SeekFrom, IoVec, IoVecMut};
-use crate::memchr;
+use io::memchr;
+use crate::io::memchr;
/// The `BufReader` struct adds buffering to any reader.
///
@ -311,21 +311,19 @@ diff --git a/cursor.rs b/cursor.rs
index 873da08..3d39e57 100644
--- a/cursor.rs
+++ b/cursor.rs
@@ -1,9 +1,10 @@
@@ -1,9 +1,9 @@
use crate::io::prelude::*;
-use crate::cmp;
-use crate::io::{self, Initializer, SeekFrom, Error, ErrorKind, IoVec, IoVecMut};
+use core::cmp;
+use crate::io::{self, Initializer, SeekFrom, Error, ErrorKind};
+#[cfg(feature="collections")] use crate::io::{IoVec, IoVecMut};
use crate::io::{self, Initializer, SeekFrom, Error, ErrorKind, IoVec, IoVecMut};
-use core::convert::TryInto;
+#[cfg(feature="collections")] use core::convert::TryInto;
/// A `Cursor` wraps an in-memory buffer and provides it with a
/// [`Seek`] implementation.
@@ -71,7 +72,6 @@ use core::convert::TryInto;
@@ -71,7 +71,6 @@ use core::convert::TryInto;
/// assert_eq!(&buff.get_ref()[5..15], &[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]);
/// }
/// ```
@ -333,7 +331,7 @@ index 873da08..3d39e57 100644
#[derive(Clone, Debug)]
pub struct Cursor<T> {
inner: T,
@@ -94,7 +94,6 @@ impl<T> Cursor<T> {
@@ -94,7 +93,6 @@ impl<T> Cursor<T> {
/// # fn force_inference(_: &Cursor<Vec<u8>>) {}
/// # force_inference(&buff);
/// ```
@ -341,7 +339,7 @@ index 873da08..3d39e57 100644
pub fn new(inner: T) -> Cursor<T> {
Cursor { pos: 0, inner: inner }
}
@@ -112,7 +111,6 @@ impl<T> Cursor<T> {
@@ -112,7 +110,6 @@ impl<T> Cursor<T> {
///
/// let vec = buff.into_inner();
/// ```
@ -349,7 +347,7 @@ index 873da08..3d39e57 100644
pub fn into_inner(self) -> T { self.inner }
/// Gets a reference to the underlying value in this cursor.
@@ -128,7 +126,6 @@ impl<T> Cursor<T> {
@@ -128,7 +125,6 @@ impl<T> Cursor<T> {
///
/// let reference = buff.get_ref();
/// ```
@ -357,7 +355,7 @@ index 873da08..3d39e57 100644
pub fn get_ref(&self) -> &T { &self.inner }
/// Gets a mutable reference to the underlying value in this cursor.
@@ -147,7 +144,6 @@ impl<T> Cursor<T> {
@@ -147,7 +143,6 @@ impl<T> Cursor<T> {
///
/// let reference = buff.get_mut();
/// ```
@ -365,7 +363,7 @@ index 873da08..3d39e57 100644
pub fn get_mut(&mut self) -> &mut T { &mut self.inner }
/// Returns the current position of this cursor.
@@ -169,7 +165,6 @@ impl<T> Cursor<T> {
@@ -169,7 +164,6 @@ impl<T> Cursor<T> {
/// buff.seek(SeekFrom::Current(-1)).unwrap();
/// assert_eq!(buff.position(), 1);
/// ```
@ -373,7 +371,7 @@ index 873da08..3d39e57 100644
pub fn position(&self) -> u64 { self.pos }
/// Sets the position of this cursor.
@@ -189,11 +184,9 @@ impl<T> Cursor<T> {
@@ -189,11 +183,9 @@ impl<T> Cursor<T> {
/// buff.set_position(4);
/// assert_eq!(buff.position(), 4);
/// ```
@ -385,7 +383,7 @@ index 873da08..3d39e57 100644
impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
fn seek(&mut self, style: SeekFrom) -> io::Result<u64> {
let (base_pos, offset) = match style {
@@ -214,14 +207,14 @@ impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
@@ -214,10 +206,9 @@ impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
}
}
@ -397,12 +395,7 @@ index 873da08..3d39e57 100644
self.pos += n as u64;
Ok(n)
}
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nread = 0;
for buf in bufs {
@@ -236,7 +229,7 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
@@ -236,7 +227,7 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
fn read_exact(&mut self, buf: &mut [u8]) -> io::Result<()> {
let n = buf.len();
@ -411,7 +404,7 @@ index 873da08..3d39e57 100644
self.pos += n as u64;
Ok(())
}
@@ -247,12 +240,16 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
@@ -247,12 +238,16 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
}
}
@ -431,15 +424,7 @@ index 873da08..3d39e57 100644
fn consume(&mut self, amt: usize) { self.pos += amt as u64; }
}
@@ -264,6 +261,7 @@ fn slice_write(pos_mut: &mut u64, slice: &mut [u8], buf: &[u8]) -> io::Result<us
Ok(amt)
}
+#[cfg(feature="collections")]
fn slice_write_vectored(
pos_mut: &mut u64,
slice: &mut [u8],
@@ -282,6 +280,7 @@ fn slice_write_vectored(
@@ -282,6 +277,7 @@ fn slice_write_vectored(
}
// Resizing write implementation
@ -447,7 +432,7 @@ index 873da08..3d39e57 100644
fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usize> {
let pos: usize = (*pos_mut).try_into().map_err(|_| {
Error::new(ErrorKind::InvalidInput,
@@ -308,6 +307,7 @@ fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usi
@@ -308,6 +304,7 @@ fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usi
Ok(buf.len())
}
@ -455,7 +440,7 @@ index 873da08..3d39e57 100644
fn vec_write_vectored(
pos_mut: &mut u64,
vec: &mut Vec<u8>,
@@ -321,13 +321,13 @@ fn vec_write_vectored(
@@ -321,7 +318,6 @@ fn vec_write_vectored(
Ok(nwritten)
}
@ -463,14 +448,7 @@ index 873da08..3d39e57 100644
impl Write for Cursor<&mut [u8]> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
slice_write(&mut self.pos, self.inner, buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
slice_write_vectored(&mut self.pos, self.inner, bufs)
@@ -336,12 +336,13 @@ impl Write for Cursor<&mut [u8]> {
@@ -336,7 +332,7 @@ impl Write for Cursor<&mut [u8]> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -479,13 +457,7 @@ index 873da08..3d39e57 100644
impl Write for Cursor<&mut Vec<u8>> {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
vec_write(&mut self.pos, self.inner, buf)
}
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
vec_write_vectored(&mut self.pos, self.inner, bufs)
}
@@ -349,12 +350,13 @@ impl Write for Cursor<&mut Vec<u8>> {
@@ -349,7 +345,7 @@ impl Write for Cursor<&mut Vec<u8>> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -494,13 +466,7 @@ index 873da08..3d39e57 100644
impl Write for Cursor<Vec<u8>> {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
vec_write(&mut self.pos, &mut self.inner, buf)
}
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
vec_write_vectored(&mut self.pos, &mut self.inner, bufs)
}
@@ -362,13 +364,14 @@ impl Write for Cursor<Vec<u8>> {
@@ -362,8 +358,8 @@ impl Write for Cursor<Vec<u8>> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -511,12 +477,6 @@ index 873da08..3d39e57 100644
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
slice_write(&mut self.pos, &mut self.inner, buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
slice_write_vectored(&mut self.pos, &mut self.inner, bufs)
diff --git a/error.rs b/error.rs
index fdc5625..e4ce8b5 100644
--- a/error.rs
@ -836,7 +796,7 @@ diff --git a/impls.rs b/impls.rs
index b286e40..7472d9c 100644
--- a/impls.rs
+++ b/impls.rs
@@ -1,19 +1,22 @@
@@ -1,13 +1,15 @@
-use crate::cmp;
-use crate::io::{self, SeekFrom, Read, Initializer, Write, Seek, BufRead, Error, ErrorKind, IoVecMut,
- IoVec};
@ -844,8 +804,8 @@ index b286e40..7472d9c 100644
-use crate::mem;
+#[cfg(feature="alloc")] use alloc::boxed::Box;
+use core::cmp;
+use crate::io::{self, SeekFrom, Read, Initializer, Write, Seek, Error, ErrorKind};
+#[cfg(feature="collections")] use crate::io::{BufRead, IoVecMut, IoVec};
+use crate::io::{self, SeekFrom, Read, Initializer, Write, Seek, Error, ErrorKind, IoVecMut, IoVec};
+#[cfg(feature="collections")] use crate::io::BufRead;
+use core::fmt;
+use core::mem;
+#[cfg(feature="collections")] use collections::string::String;
@ -858,14 +818,7 @@ index b286e40..7472d9c 100644
impl<R: Read + ?Sized> Read for &mut R {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
(**self).read(buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
(**self).read_vectored(bufs)
@@ -24,11 +27,13 @@ impl<R: Read + ?Sized> Read for &mut R {
@@ -24,11 +26,13 @@ impl<R: Read + ?Sized> Read for &mut R {
(**self).initializer()
}
@ -879,7 +832,7 @@ index b286e40..7472d9c 100644
#[inline]
fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> {
(**self).read_to_string(buf)
@@ -39,11 +44,11 @@ impl<R: Read + ?Sized> Read for &mut R {
@@ -39,7 +43,6 @@ impl<R: Read + ?Sized> Read for &mut R {
(**self).read_exact(buf)
}
}
@ -887,12 +840,7 @@ index b286e40..7472d9c 100644
impl<W: Write + ?Sized> Write for &mut W {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { (**self).write(buf) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
(**self).write_vectored(bufs)
@@ -62,12 +67,11 @@ impl<W: Write + ?Sized> Write for &mut W {
@@ -62,12 +65,11 @@ impl<W: Write + ?Sized> Write for &mut W {
(**self).write_fmt(fmt)
}
}
@ -906,7 +854,7 @@ index b286e40..7472d9c 100644
impl<B: BufRead + ?Sized> BufRead for &mut B {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { (**self).fill_buf() }
@@ -86,13 +90,14 @@ impl<B: BufRead + ?Sized> BufRead for &mut B {
@@ -86,7 +88,7 @@ impl<B: BufRead + ?Sized> BufRead for &mut B {
}
}
@ -915,14 +863,7 @@ index b286e40..7472d9c 100644
impl<R: Read + ?Sized> Read for Box<R> {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
(**self).read(buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
(**self).read_vectored(bufs)
@@ -103,11 +108,13 @@ impl<R: Read + ?Sized> Read for Box<R> {
@@ -103,11 +105,13 @@ impl<R: Read + ?Sized> Read for Box<R> {
(**self).initializer()
}
@ -936,7 +877,7 @@ index b286e40..7472d9c 100644
#[inline]
fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> {
(**self).read_to_string(buf)
@@ -118,11 +125,12 @@ impl<R: Read + ?Sized> Read for Box<R> {
@@ -118,7 +122,7 @@ impl<R: Read + ?Sized> Read for Box<R> {
(**self).read_exact(buf)
}
}
@ -945,12 +886,7 @@ index b286e40..7472d9c 100644
impl<W: Write + ?Sized> Write for Box<W> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { (**self).write(buf) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
(**self).write_vectored(bufs)
@@ -141,12 +149,12 @@ impl<W: Write + ?Sized> Write for Box<W> {
@@ -141,12 +145,12 @@ impl<W: Write + ?Sized> Write for Box<W> {
(**self).write_fmt(fmt)
}
}
@ -965,7 +901,7 @@ index b286e40..7472d9c 100644
impl<B: BufRead + ?Sized> BufRead for Box<B> {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { (**self).fill_buf() }
@@ -186,7 +194,6 @@ impl Write for Box<dyn (::realstd::io::Write) + Send> {
@@ -186,7 +190,6 @@ impl Write for Box<dyn (::realstd::io::Write) + Send> {
///
/// Note that reading updates the slice to point to the yet unread part.
/// The slice will be empty when EOF is reached.
@ -973,15 +909,7 @@ index b286e40..7472d9c 100644
impl Read for &[u8] {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
@@ -206,6 +213,7 @@ impl Read for &[u8] {
Ok(amt)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nread = 0;
@@ -245,6 +253,7 @@ impl Read for &[u8] {
@@ -245,6 +248,7 @@ impl Read for &[u8] {
Ok(())
}
@ -989,7 +917,7 @@ index b286e40..7472d9c 100644
#[inline]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> io::Result<usize> {
buf.extend_from_slice(*self);
@@ -254,7 +263,7 @@ impl Read for &[u8] {
@@ -254,7 +258,7 @@ impl Read for &[u8] {
}
}
@ -998,7 +926,7 @@ index b286e40..7472d9c 100644
impl BufRead for &[u8] {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { Ok(*self) }
@@ -268,7 +277,6 @@ impl BufRead for &[u8] {
@@ -268,7 +272,6 @@ impl BufRead for &[u8] {
///
/// Note that writing updates the slice to point to the yet unwritten part.
/// The slice will be empty when it has been completely overwritten.
@ -1006,15 +934,7 @@ index b286e40..7472d9c 100644
impl Write for &mut [u8] {
#[inline]
fn write(&mut self, data: &[u8]) -> io::Result<usize> {
@@ -279,6 +287,7 @@ impl Write for &mut [u8] {
Ok(amt)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let mut nwritten = 0;
@@ -307,7 +316,7 @@ impl Write for &mut [u8] {
@@ -307,7 +310,7 @@ impl Write for &mut [u8] {
/// Write is implemented for `Vec<u8>` by appending to the vector.
/// The vector will grow as needed.
@ -1023,14 +943,6 @@ index b286e40..7472d9c 100644
impl Write for Vec<u8> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
@@ -315,6 +324,7 @@ impl Write for Vec<u8> {
Ok(buf.len())
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let len = bufs.iter().map(|b| b.len()).sum();
diff --git a/mod.rs b/mod.rs
index e3e2754..400eca6 100644
--- a/mod.rs
@ -1064,9 +976,9 @@ index e3e2754..400eca6 100644
+mod memchr;
+#[cfg(all(feature="collections",core_memchr))]
+use core::slice::memchr;
+#[cfg(feature="collections")] use core::ops::{Deref, DerefMut};
+use core::ptr;
+use core::slice;
+use core::ops::{Deref, DerefMut};
+use core::ptr;
+
+#[cfg(feature="collections")] pub use self::buffered::{BufReader, BufWriter, LineWriter};
+#[cfg(feature="collections")] pub use self::buffered::IntoInnerError;
@ -1142,16 +1054,15 @@ index e3e2754..400eca6 100644
fn read(&mut self, buf: &mut [u8]) -> Result<usize>;
/// Like `read`, except that it reads into a slice of buffers.
@@ -530,7 +519,7 @@ pub trait Read {
@@ -530,7 +519,6 @@ pub trait Read {
///
/// The default implementation simply passes the first nonempty buffer to
/// `read`.
- #[unstable(feature = "iovec", issue = "58452")]
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> Result<usize> {
match bufs.iter_mut().find(|b| !b.is_empty()) {
Some(buf) => self.read(buf),
@@ -560,7 +549,6 @@ pub trait Read {
@@ -560,7 +548,6 @@ pub trait Read {
///
/// [`Initializer::nop()`]: ../../std/io/struct.Initializer.html#method.nop
/// [`Initializer`]: ../../std/io/struct.Initializer.html
@ -1159,7 +1070,7 @@ index e3e2754..400eca6 100644
#[inline]
unsafe fn initializer(&self) -> Initializer {
Initializer::zeroing()
@@ -613,7 +601,7 @@ pub trait Read {
@@ -613,7 +600,7 @@ pub trait Read {
/// file.)
///
/// [`std::fs::read`]: ../fs/fn.read.html
@ -1168,7 +1079,7 @@ index e3e2754..400eca6 100644
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
read_to_end(self, buf)
}
@@ -656,7 +644,7 @@ pub trait Read {
@@ -656,7 +643,7 @@ pub trait Read {
/// reading from a file.)
///
/// [`std::fs::read_to_string`]: ../fs/fn.read_to_string.html
@ -1177,7 +1088,7 @@ index e3e2754..400eca6 100644
fn read_to_string(&mut self, buf: &mut String) -> Result<usize> {
// Note that we do *not* call `.read_to_end()` here. We are passing
// `&mut Vec<u8>` (the raw contents of `buf`) into the `read_to_end`
@@ -719,7 +707,6 @@ pub trait Read {
@@ -719,7 +706,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1185,7 +1096,7 @@ index e3e2754..400eca6 100644
fn read_exact(&mut self, mut buf: &mut [u8]) -> Result<()> {
while !buf.is_empty() {
match self.read(buf) {
@@ -771,7 +758,6 @@ pub trait Read {
@@ -771,7 +757,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1193,7 +1104,7 @@ index e3e2754..400eca6 100644
fn by_ref(&mut self) -> &mut Self where Self: Sized { self }
/// Transforms this `Read` instance to an [`Iterator`] over its bytes.
@@ -808,7 +794,6 @@ pub trait Read {
@@ -808,7 +793,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1201,7 +1112,7 @@ index e3e2754..400eca6 100644
fn bytes(self) -> Bytes<Self> where Self: Sized {
Bytes { inner: self }
}
@@ -843,7 +828,6 @@ pub trait Read {
@@ -843,7 +827,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1209,7 +1120,7 @@ index e3e2754..400eca6 100644
fn chain<R: Read>(self, next: R) -> Chain<Self, R> where Self: Sized {
Chain { first: self, second: next, done_first: false }
}
@@ -879,42 +863,77 @@ pub trait Read {
@@ -879,22 +862,52 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1219,10 +1130,8 @@ index e3e2754..400eca6 100644
}
}
+#[cfg(feature="collections")]
+pub struct IoVecBuffer<'a>(&'a [u8]);
+
+#[cfg(feature="collections")]
+impl<'a> IoVecBuffer<'a> {
+ #[inline]
+ pub fn new(buf: &'a [u8]) -> IoVecBuffer<'a> {
@ -1234,10 +1143,9 @@ index e3e2754..400eca6 100644
+ self.0
+ }
+}
+#[cfg(feature="collections")]
+
+pub struct IoVecMutBuffer<'a>(&'a mut [u8]);
+
+#[cfg(feature="collections")]
+impl<'a> IoVecMutBuffer<'a> {
+ #[inline]
+ pub fn new(buf: &'a mut [u8]) -> IoVecMutBuffer<'a> {
@ -1261,23 +1169,15 @@ index e3e2754..400eca6 100644
/// ABI compatible with the `iovec` type on Unix platforms and `WSABUF` on
/// Windows.
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
#[repr(transparent)]
-pub struct IoVecMut<'a>(sys::io::IoVecMut<'a>);
+pub struct IoVecMut<'a>(IoVecMutBuffer<'a>);
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> fmt::Debug for IoVecMut<'a> {
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
fmt::Debug::fmt(self.0.as_slice(), fmt)
}
}
+#[cfg(feature="collections")]
impl<'a> IoVecMut<'a> {
/// Creates a new `IoVecMut` wrapping a byte slice.
///
@@ -907,14 +920,12 @@ impl<'a> IoVecMut<'a> {
/// # Panics
///
/// Panics on Windows if the slice is larger than 4GB.
@ -1290,41 +1190,31 @@ index e3e2754..400eca6 100644
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> Deref for IoVecMut<'a> {
type Target = [u8];
@@ -924,7 +943,7 @@ impl<'a> Deref for IoVecMut<'a> {
@@ -924,7 +935,6 @@ impl<'a> Deref for IoVecMut<'a> {
}
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> DerefMut for IoVecMut<'a> {
#[inline]
fn deref_mut(&mut self) -> &mut [u8] {
@@ -937,31 +956,31 @@ impl<'a> DerefMut for IoVecMut<'a> {
@@ -937,11 +947,9 @@ impl<'a> DerefMut for IoVecMut<'a> {
/// It is semantically a wrapper around an `&[u8]`, but is guaranteed to be
/// ABI compatible with the `iovec` type on Unix platforms and `WSABUF` on
/// Windows.
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
#[repr(transparent)]
-pub struct IoVec<'a>(sys::io::IoVec<'a>);
+pub struct IoVec<'a>(IoVecBuffer<'a>);
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> fmt::Debug for IoVec<'a> {
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
fmt::Debug::fmt(self.0.as_slice(), fmt)
}
}
+#[cfg(feature="collections")]
impl<'a> IoVec<'a> {
/// Creates a new `IoVec` wrapping a byte slice.
///
@@ -954,14 +962,12 @@ impl<'a> IoVec<'a> {
/// # Panics
///
/// Panics on Windows if the slice is larger than 4GB.
@ -1337,11 +1227,10 @@ index e3e2754..400eca6 100644
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> Deref for IoVec<'a> {
type Target = [u8];
@@ -972,13 +991,11 @@ impl<'a> Deref for IoVec<'a> {
@@ -972,13 +978,11 @@ impl<'a> Deref for IoVec<'a> {
}
/// A type used to conditionally initialize buffers passed to `Read` methods.
@ -1355,7 +1244,7 @@ index e3e2754..400eca6 100644
#[inline]
pub fn zeroing() -> Initializer {
Initializer(true)
@@ -992,21 +1009,18 @@ impl Initializer {
@@ -992,21 +996,18 @@ impl Initializer {
/// read from buffers passed to `Read` methods, and that the return value of
/// the method accurately reflects the number of bytes that have been
/// written to the head of the buffer.
@ -1377,7 +1266,7 @@ index e3e2754..400eca6 100644
#[inline]
pub fn initialize(&self, buf: &mut [u8]) {
if self.should_initialize() {
@@ -1049,7 +1063,6 @@ impl Initializer {
@@ -1049,7 +1050,6 @@ impl Initializer {
/// Ok(())
/// }
/// ```
@ -1385,7 +1274,7 @@ index e3e2754..400eca6 100644
#[doc(spotlight)]
pub trait Write {
/// Write a buffer into this writer, returning how many bytes were written.
@@ -1098,7 +1111,6 @@ pub trait Write {
@@ -1098,7 +1098,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1393,16 +1282,15 @@ index e3e2754..400eca6 100644
fn write(&mut self, buf: &[u8]) -> Result<usize>;
/// Like `write`, except that it writes from a slice of buffers.
@@ -1109,7 +1121,7 @@ pub trait Write {
@@ -1109,7 +1108,6 @@ pub trait Write {
///
/// The default implementation simply passes the first nonempty buffer to
/// `write`.
- #[unstable(feature = "iovec", issue = "58452")]
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> Result<usize> {
match bufs.iter().find(|b| !b.is_empty()) {
Some(buf) => self.write(buf),
@@ -1140,7 +1152,6 @@ pub trait Write {
@@ -1140,7 +1138,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1410,7 +1298,7 @@ index e3e2754..400eca6 100644
fn flush(&mut self) -> Result<()>;
/// Attempts to write an entire buffer into this writer.
@@ -1173,7 +1184,6 @@ pub trait Write {
@@ -1173,7 +1170,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1418,7 +1306,7 @@ index e3e2754..400eca6 100644
fn write_all(&mut self, mut buf: &[u8]) -> Result<()> {
while !buf.is_empty() {
match self.write(buf) {
@@ -1225,7 +1235,6 @@ pub trait Write {
@@ -1225,7 +1221,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1426,7 +1314,7 @@ index e3e2754..400eca6 100644
fn write_fmt(&mut self, fmt: fmt::Arguments) -> Result<()> {
// Create a shim which translates a Write to a fmt::Write and saves
// off I/O errors. instead of discarding them
@@ -1281,7 +1290,6 @@ pub trait Write {
@@ -1281,7 +1276,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1434,7 +1322,7 @@ index e3e2754..400eca6 100644
fn by_ref(&mut self) -> &mut Self where Self: Sized { self }
}
@@ -1311,7 +1319,6 @@ pub trait Write {
@@ -1311,7 +1305,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1442,7 +1330,7 @@ index e3e2754..400eca6 100644
pub trait Seek {
/// Seek to an offset, in bytes, in a stream.
///
@@ -1327,7 +1334,6 @@ pub trait Seek {
@@ -1327,7 +1320,6 @@ pub trait Seek {
/// Seeking to a negative offset is considered an error.
///
/// [`SeekFrom::Start`]: enum.SeekFrom.html#variant.Start
@ -1450,7 +1338,7 @@ index e3e2754..400eca6 100644
fn seek(&mut self, pos: SeekFrom) -> Result<u64>;
}
@@ -1337,29 +1343,26 @@ pub trait Seek {
@@ -1337,29 +1329,26 @@ pub trait Seek {
///
/// [`Seek`]: trait.Seek.html
#[derive(Copy, PartialEq, Eq, Clone, Debug)]
@ -1484,7 +1372,7 @@ index e3e2754..400eca6 100644
fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
-> Result<usize> {
let mut read = 0;
@@ -1439,7 +1442,7 @@ fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
@@ -1439,7 +1428,7 @@ fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
/// }
/// ```
///
@ -1493,7 +1381,7 @@ index e3e2754..400eca6 100644
pub trait BufRead: Read {
/// Returns the contents of the internal buffer, filling it with more data
/// from the inner reader if it is empty.
@@ -1485,7 +1488,6 @@ pub trait BufRead: Read {
@@ -1485,7 +1474,6 @@ pub trait BufRead: Read {
/// // ensure the bytes we worked with aren't returned again later
/// stdin.consume(length);
/// ```
@ -1501,7 +1389,7 @@ index e3e2754..400eca6 100644
fn fill_buf(&mut self) -> Result<&[u8]>;
/// Tells this buffer that `amt` bytes have been consumed from the buffer,
@@ -1507,7 +1509,6 @@ pub trait BufRead: Read {
@@ -1507,7 +1495,6 @@ pub trait BufRead: Read {
/// that method's example includes an example of `consume()`.
///
/// [`fill_buf`]: #tymethod.fill_buf
@ -1509,7 +1397,7 @@ index e3e2754..400eca6 100644
fn consume(&mut self, amt: usize);
/// Read all bytes into `buf` until the delimiter `byte` or EOF is reached.
@@ -1563,7 +1564,6 @@ pub trait BufRead: Read {
@@ -1563,7 +1550,6 @@ pub trait BufRead: Read {
/// assert_eq!(num_bytes, 0);
/// assert_eq!(buf, b"");
/// ```
@ -1517,7 +1405,7 @@ index e3e2754..400eca6 100644
fn read_until(&mut self, byte: u8, buf: &mut Vec<u8>) -> Result<usize> {
read_until(self, byte, buf)
}
@@ -1622,7 +1622,6 @@ pub trait BufRead: Read {
@@ -1622,7 +1608,6 @@ pub trait BufRead: Read {
/// assert_eq!(num_bytes, 0);
/// assert_eq!(buf, "");
/// ```
@ -1525,7 +1413,7 @@ index e3e2754..400eca6 100644
fn read_line(&mut self, buf: &mut String) -> Result<usize> {
// Note that we are not calling the `.read_until` method here, but
// rather our hardcoded implementation. For more details as to why, see
@@ -1663,7 +1662,6 @@ pub trait BufRead: Read {
@@ -1663,7 +1648,6 @@ pub trait BufRead: Read {
/// assert_eq!(split_iter.next(), Some(b"dolor".to_vec()));
/// assert_eq!(split_iter.next(), None);
/// ```
@ -1533,7 +1421,7 @@ index e3e2754..400eca6 100644
fn split(self, byte: u8) -> Split<Self> where Self: Sized {
Split { buf: self, delim: byte }
}
@@ -1702,7 +1700,6 @@ pub trait BufRead: Read {
@@ -1702,7 +1686,6 @@ pub trait BufRead: Read {
/// Each line of the iterator has the same error semantics as [`BufRead::read_line`].
///
/// [`BufRead::read_line`]: trait.BufRead.html#method.read_line
@ -1541,7 +1429,7 @@ index e3e2754..400eca6 100644
fn lines(self) -> Lines<Self> where Self: Sized {
Lines { buf: self }
}
@@ -1714,7 +1711,6 @@ pub trait BufRead: Read {
@@ -1714,7 +1697,6 @@ pub trait BufRead: Read {
/// Please see the documentation of [`chain`] for more details.
///
/// [`chain`]: trait.Read.html#method.chain
@ -1549,7 +1437,7 @@ index e3e2754..400eca6 100644
pub struct Chain<T, U> {
first: T,
second: U,
@@ -1740,7 +1736,6 @@ impl<T, U> Chain<T, U> {
@@ -1740,7 +1722,6 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1557,7 +1445,7 @@ index e3e2754..400eca6 100644
pub fn into_inner(self) -> (T, U) {
(self.first, self.second)
}
@@ -1763,7 +1758,6 @@ impl<T, U> Chain<T, U> {
@@ -1763,7 +1744,6 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1565,7 +1453,7 @@ index e3e2754..400eca6 100644
pub fn get_ref(&self) -> (&T, &U) {
(&self.first, &self.second)
}
@@ -1790,13 +1784,11 @@ impl<T, U> Chain<T, U> {
@@ -1790,13 +1770,11 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1579,7 +1467,7 @@ index e3e2754..400eca6 100644
impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_struct("Chain")
@@ -1806,7 +1798,6 @@ impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
@@ -1806,7 +1784,6 @@ impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
}
}
@ -1587,15 +1475,7 @@ index e3e2754..400eca6 100644
impl<T: Read, U: Read> Read for Chain<T, U> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
if !self.done_first {
@@ -1818,6 +1809,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
self.second.read(buf)
}
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> Result<usize> {
if !self.done_first {
match self.first.read_vectored(bufs)? {
@@ -1838,7 +1830,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
@@ -1838,7 +1815,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
}
}
@ -1604,7 +1484,7 @@ index e3e2754..400eca6 100644
impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
fn fill_buf(&mut self) -> Result<&[u8]> {
if !self.done_first {
@@ -1865,7 +1857,6 @@ impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
@@ -1865,7 +1842,6 @@ impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
/// Please see the documentation of [`take`] for more details.
///
/// [`take`]: trait.Read.html#method.take
@ -1612,7 +1492,7 @@ index e3e2754..400eca6 100644
#[derive(Debug)]
pub struct Take<T> {
inner: T,
@@ -1900,7 +1891,6 @@ impl<T> Take<T> {
@@ -1900,7 +1876,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1620,7 +1500,7 @@ index e3e2754..400eca6 100644
pub fn limit(&self) -> u64 { self.limit }
/// Sets the number of bytes that can be read before this instance will
@@ -1926,7 +1916,6 @@ impl<T> Take<T> {
@@ -1926,7 +1901,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1628,7 +1508,7 @@ index e3e2754..400eca6 100644
pub fn set_limit(&mut self, limit: u64) {
self.limit = limit;
}
@@ -1951,7 +1940,6 @@ impl<T> Take<T> {
@@ -1951,7 +1925,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1636,7 +1516,7 @@ index e3e2754..400eca6 100644
pub fn into_inner(self) -> T {
self.inner
}
@@ -1976,7 +1964,6 @@ impl<T> Take<T> {
@@ -1976,7 +1949,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1644,7 +1524,7 @@ index e3e2754..400eca6 100644
pub fn get_ref(&self) -> &T {
&self.inner
}
@@ -2005,13 +1992,11 @@ impl<T> Take<T> {
@@ -2005,13 +1977,11 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1658,16 +1538,16 @@ index e3e2754..400eca6 100644
impl<T: Read> Read for Take<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
// Don't call into inner reader at all at EOF because it may still block
@@ -2028,15 +2013,9 @@ impl<T: Read> Read for Take<T> {
unsafe fn initializer(&self) -> Initializer {
@@ -2029,6 +1999,7 @@ impl<T: Read> Read for Take<T> {
self.inner.initializer()
}
-
- fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
- let reservation_size = cmp::min(self.limit, 32) as usize;
-
- read_to_end_with_reservation(self, buf, reservation_size)
- }
+ #[cfg(feature="collections")]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
let reservation_size = cmp::min(self.limit, 32) as usize;
@@ -2036,7 +2007,7 @@ impl<T: Read> Read for Take<T> {
}
}
-#[stable(feature = "rust1", since = "1.0.0")]
@ -1675,7 +1555,7 @@ index e3e2754..400eca6 100644
impl<T: BufRead> BufRead for Take<T> {
fn fill_buf(&mut self) -> Result<&[u8]> {
// Don't call into inner reader at all at EOF because it may still block
@@ -2063,13 +2042,11 @@ impl<T: BufRead> BufRead for Take<T> {
@@ -2063,13 +2034,11 @@ impl<T: BufRead> BufRead for Take<T> {
/// Please see the documentation of [`bytes`] for more details.
///
/// [`bytes`]: trait.Read.html#method.bytes
@ -1689,7 +1569,7 @@ index e3e2754..400eca6 100644
impl<R: Read> Iterator for Bytes<R> {
type Item = Result<u8>;
@@ -2093,14 +2070,14 @@ impl<R: Read> Iterator for Bytes<R> {
@@ -2093,14 +2062,14 @@ impl<R: Read> Iterator for Bytes<R> {
/// `BufRead`. Please see the documentation of `split()` for more details.
///
/// [split]: trait.BufRead.html#method.split
@ -1706,7 +1586,7 @@ index e3e2754..400eca6 100644
impl<B: BufRead> Iterator for Split<B> {
type Item = Result<Vec<u8>>;
@@ -2125,13 +2102,13 @@ impl<B: BufRead> Iterator for Split<B> {
@@ -2125,13 +2094,13 @@ impl<B: BufRead> Iterator for Split<B> {
/// `BufRead`. Please see the documentation of `lines()` for more details.
///
/// [lines]: trait.BufRead.html#method.lines
@ -1749,8 +1629,8 @@ index 6aaf8f1..447ce47 100644
-use crate::io::{self, Read, Initializer, Write, ErrorKind, BufRead, IoVec, IoVecMut};
-use crate::mem;
+use core::fmt;
+use crate::io::{self, Read, Initializer, Write, ErrorKind};
+#[cfg(feature="collections")] use crate::io::{BufRead, IoVec, IoVecMut};
+use crate::io::{self, Read, Initializer, Write, ErrorKind, IoVec, IoVecMut};
+#[cfg(feature="collections")] use crate::io::BufRead;
+use core::mem;
/// Copies the entire contents of a reader into a writer.
@ -1819,15 +1699,7 @@ index 6aaf8f1..447ce47 100644
impl Read for Repeat {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
@@ -152,6 +146,7 @@ impl Read for Repeat {
Ok(buf.len())
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nwritten = 0;
@@ -167,7 +162,6 @@ impl Read for Repeat {
@@ -167,7 +161,6 @@ impl Read for Repeat {
}
}
@ -1835,7 +1707,7 @@ index 6aaf8f1..447ce47 100644
impl fmt::Debug for Repeat {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.pad("Repeat { .. }")
@@ -180,7 +174,6 @@ impl fmt::Debug for Repeat {
@@ -180,7 +173,6 @@ impl fmt::Debug for Repeat {
/// see the documentation of `sink()` for more details.
///
/// [sink]: fn.sink.html
@ -1843,7 +1715,7 @@ index 6aaf8f1..447ce47 100644
pub struct Sink { _priv: () }
/// Creates an instance of a writer which will successfully consume all data.
@@ -197,14 +190,13 @@ pub struct Sink { _priv: () }
@@ -197,10 +189,8 @@ pub struct Sink { _priv: () }
/// let num_bytes = io::sink().write(&buffer).unwrap();
/// assert_eq!(num_bytes, 5);
/// ```
@ -1854,12 +1726,7 @@ index 6aaf8f1..447ce47 100644
impl Write for Sink {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { Ok(buf.len()) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let total_len = bufs.iter().map(|b| b.len()).sum();
@@ -215,7 +207,6 @@ impl Write for Sink {
@@ -215,7 +205,6 @@ impl Write for Sink {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}

328
patches/fb162e69449b423c5aed0d9c39f6c046fa300c30.patch
View File

@ -311,20 +311,17 @@ diff --git a/cursor.rs b/cursor.rs
index 577a115..8813aba 100644
--- a/cursor.rs
+++ b/cursor.rs
@@ -1,8 +1,9 @@
@@ -1,7 +1,7 @@
use io::prelude::*;
-use core::convert::TryInto;
-use cmp;
-use io::{self, Initializer, SeekFrom, Error, ErrorKind, IoVec, IoVecMut};
+#[cfg(feature="collections")] use core::convert::TryInto;
+use core::cmp;
+use io::{self, Initializer, SeekFrom, Error, ErrorKind};
+#[cfg(feature="collections")] use io::{IoVec, IoVecMut};
use io::{self, Initializer, SeekFrom, Error, ErrorKind, IoVec, IoVecMut};
/// A `Cursor` wraps an in-memory buffer and provides it with a
/// [`Seek`] implementation.
@@ -70,7 +71,6 @@ use io::{self, Initializer, SeekFrom, Error, ErrorKind, IoVec, IoVecMut};
@@ -70,7 +70,6 @@ use io::{self, Initializer, SeekFrom, Error, ErrorKind, IoVec, IoVecMut};
/// assert_eq!(&buff.get_ref()[5..15], &[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]);
/// }
/// ```
@ -332,7 +329,7 @@ index 577a115..8813aba 100644
#[derive(Clone, Debug)]
pub struct Cursor<T> {
inner: T,
@@ -93,7 +93,6 @@ impl<T> Cursor<T> {
@@ -93,7 +92,6 @@ impl<T> Cursor<T> {
/// # fn force_inference(_: &Cursor<Vec<u8>>) {}
/// # force_inference(&buff);
/// ```
@ -340,7 +337,7 @@ index 577a115..8813aba 100644
pub fn new(inner: T) -> Cursor<T> {
Cursor { pos: 0, inner: inner }
}
@@ -111,7 +110,6 @@ impl<T> Cursor<T> {
@@ -111,7 +109,6 @@ impl<T> Cursor<T> {
///
/// let vec = buff.into_inner();
/// ```
@ -348,7 +345,7 @@ index 577a115..8813aba 100644
pub fn into_inner(self) -> T { self.inner }
/// Gets a reference to the underlying value in this cursor.
@@ -127,7 +125,6 @@ impl<T> Cursor<T> {
@@ -127,7 +124,6 @@ impl<T> Cursor<T> {
///
/// let reference = buff.get_ref();
/// ```
@ -356,7 +353,7 @@ index 577a115..8813aba 100644
pub fn get_ref(&self) -> &T { &self.inner }
/// Gets a mutable reference to the underlying value in this cursor.
@@ -146,7 +143,6 @@ impl<T> Cursor<T> {
@@ -146,7 +142,6 @@ impl<T> Cursor<T> {
///
/// let reference = buff.get_mut();
/// ```
@ -364,7 +361,7 @@ index 577a115..8813aba 100644
pub fn get_mut(&mut self) -> &mut T { &mut self.inner }
/// Returns the current position of this cursor.
@@ -168,7 +164,6 @@ impl<T> Cursor<T> {
@@ -168,7 +163,6 @@ impl<T> Cursor<T> {
/// buff.seek(SeekFrom::Current(-1)).unwrap();
/// assert_eq!(buff.position(), 1);
/// ```
@ -372,7 +369,7 @@ index 577a115..8813aba 100644
pub fn position(&self) -> u64 { self.pos }
/// Sets the position of this cursor.
@@ -188,11 +183,9 @@ impl<T> Cursor<T> {
@@ -188,11 +182,9 @@ impl<T> Cursor<T> {
/// buff.set_position(4);
/// assert_eq!(buff.position(), 4);
/// ```
@ -384,7 +381,7 @@ index 577a115..8813aba 100644
impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
fn seek(&mut self, style: SeekFrom) -> io::Result<u64> {
let (base_pos, offset) = match style {
@@ -213,14 +206,14 @@ impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
@@ -213,10 +205,9 @@ impl<T> io::Seek for Cursor<T> where T: AsRef<[u8]> {
}
}
@ -396,12 +393,7 @@ index 577a115..8813aba 100644
self.pos += n as u64;
Ok(n)
}
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nread = 0;
for buf in bufs {
@@ -235,7 +228,7 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
@@ -235,7 +226,7 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
fn read_exact(&mut self, buf: &mut [u8]) -> io::Result<()> {
let n = buf.len();
@ -410,7 +402,7 @@ index 577a115..8813aba 100644
self.pos += n as u64;
Ok(())
}
@@ -246,12 +239,16 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
@@ -246,12 +237,16 @@ impl<T> Read for Cursor<T> where T: AsRef<[u8]> {
}
}
@ -430,15 +422,7 @@ index 577a115..8813aba 100644
fn consume(&mut self, amt: usize) { self.pos += amt as u64; }
}
@@ -263,6 +260,7 @@ fn slice_write(pos_mut: &mut u64, slice: &mut [u8], buf: &[u8]) -> io::Result<us
Ok(amt)
}
+#[cfg(feature="collections")]
fn slice_write_vectored(
pos_mut: &mut u64,
slice: &mut [u8],
@@ -281,6 +279,7 @@ fn slice_write_vectored(
@@ -281,6 +276,7 @@ fn slice_write_vectored(
}
// Resizing write implementation
@ -446,7 +430,7 @@ index 577a115..8813aba 100644
fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usize> {
let pos: usize = (*pos_mut).try_into().map_err(|_| {
Error::new(ErrorKind::InvalidInput,
@@ -307,6 +306,7 @@ fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usi
@@ -307,6 +303,7 @@ fn vec_write(pos_mut: &mut u64, vec: &mut Vec<u8>, buf: &[u8]) -> io::Result<usi
Ok(buf.len())
}
@ -454,7 +438,7 @@ index 577a115..8813aba 100644
fn vec_write_vectored(
pos_mut: &mut u64,
vec: &mut Vec<u8>,
@@ -320,13 +320,13 @@ fn vec_write_vectored(
@@ -320,7 +317,6 @@ fn vec_write_vectored(
Ok(nwritten)
}
@ -462,14 +446,7 @@ index 577a115..8813aba 100644
impl Write for Cursor<&mut [u8]> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
slice_write(&mut self.pos, self.inner, buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
slice_write_vectored(&mut self.pos, self.inner, bufs)
@@ -335,12 +335,13 @@ impl Write for Cursor<&mut [u8]> {
@@ -335,7 +331,7 @@ impl Write for Cursor<&mut [u8]> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -478,13 +455,7 @@ index 577a115..8813aba 100644
impl Write for Cursor<&mut Vec<u8>> {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
vec_write(&mut self.pos, self.inner, buf)
}
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
vec_write_vectored(&mut self.pos, self.inner, bufs)
}
@@ -348,12 +349,13 @@ impl Write for Cursor<&mut Vec<u8>> {
@@ -348,7 +344,7 @@ impl Write for Cursor<&mut Vec<u8>> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -493,13 +464,7 @@ index 577a115..8813aba 100644
impl Write for Cursor<Vec<u8>> {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
vec_write(&mut self.pos, &mut self.inner, buf)
}
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
vec_write_vectored(&mut self.pos, &mut self.inner, bufs)
}
@@ -361,13 +363,14 @@ impl Write for Cursor<Vec<u8>> {
@@ -361,8 +357,8 @@ impl Write for Cursor<Vec<u8>> {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
@ -510,12 +475,6 @@ index 577a115..8813aba 100644
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
slice_write(&mut self.pos, &mut self.inner, buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
slice_write_vectored(&mut self.pos, &mut self.inner, bufs)
diff --git a/error.rs b/error.rs
index e9b4f60..31c0ff1 100644
--- a/error.rs
@ -835,7 +794,7 @@ diff --git a/impls.rs b/impls.rs
index aa8db17..aaf1b00 100644
--- a/impls.rs
+++ b/impls.rs
@@ -1,19 +1,22 @@
@@ -1,13 +1,15 @@
-use cmp;
-use io::{self, SeekFrom, Read, Initializer, Write, Seek, BufRead, Error, ErrorKind, IoVecMut,
- IoVec};
@ -843,8 +802,8 @@ index aa8db17..aaf1b00 100644
-use mem;
+#[cfg(feature="alloc")] use alloc::boxed::Box;
+use core::cmp;
+use io::{self, SeekFrom, Read, Initializer, Write, Seek, Error, ErrorKind};
+#[cfg(feature="collections")] use io::{BufRead, IoVecMut, IoVec};
+use io::{self, SeekFrom, Read, Initializer, Write, Seek, Error, ErrorKind, IoVecMut, IoVec};
+#[cfg(feature="collections")] use io::BufRead;
+use core::fmt;
+use core::mem;
+#[cfg(feature="collections")] use collections::string::String;
@ -857,14 +816,7 @@ index aa8db17..aaf1b00 100644
impl<R: Read + ?Sized> Read for &mut R {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
(**self).read(buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
(**self).read_vectored(bufs)
@@ -24,11 +27,13 @@ impl<R: Read + ?Sized> Read for &mut R {
@@ -24,11 +26,13 @@ impl<R: Read + ?Sized> Read for &mut R {
(**self).initializer()
}
@ -878,7 +830,7 @@ index aa8db17..aaf1b00 100644
#[inline]
fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> {
(**self).read_to_string(buf)
@@ -39,11 +44,11 @@ impl<R: Read + ?Sized> Read for &mut R {
@@ -39,7 +43,6 @@ impl<R: Read + ?Sized> Read for &mut R {
(**self).read_exact(buf)
}
}
@ -886,12 +838,7 @@ index aa8db17..aaf1b00 100644
impl<W: Write + ?Sized> Write for &mut W {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { (**self).write(buf) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
(**self).write_vectored(bufs)
@@ -62,12 +67,11 @@ impl<W: Write + ?Sized> Write for &mut W {
@@ -62,12 +65,11 @@ impl<W: Write + ?Sized> Write for &mut W {
(**self).write_fmt(fmt)
}
}
@ -905,7 +852,7 @@ index aa8db17..aaf1b00 100644
impl<B: BufRead + ?Sized> BufRead for &mut B {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { (**self).fill_buf() }
@@ -86,13 +90,14 @@ impl<B: BufRead + ?Sized> BufRead for &mut B {
@@ -86,7 +88,7 @@ impl<B: BufRead + ?Sized> BufRead for &mut B {
}
}
@ -914,14 +861,7 @@ index aa8db17..aaf1b00 100644
impl<R: Read + ?Sized> Read for Box<R> {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
(**self).read(buf)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
(**self).read_vectored(bufs)
@@ -103,11 +108,13 @@ impl<R: Read + ?Sized> Read for Box<R> {
@@ -103,11 +105,13 @@ impl<R: Read + ?Sized> Read for Box<R> {
(**self).initializer()
}
@ -935,7 +875,7 @@ index aa8db17..aaf1b00 100644
#[inline]
fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> {
(**self).read_to_string(buf)
@@ -118,11 +125,12 @@ impl<R: Read + ?Sized> Read for Box<R> {
@@ -118,7 +122,7 @@ impl<R: Read + ?Sized> Read for Box<R> {
(**self).read_exact(buf)
}
}
@ -944,12 +884,7 @@ index aa8db17..aaf1b00 100644
impl<W: Write + ?Sized> Write for Box<W> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { (**self).write(buf) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
(**self).write_vectored(bufs)
@@ -141,12 +149,12 @@ impl<W: Write + ?Sized> Write for Box<W> {
@@ -141,12 +145,12 @@ impl<W: Write + ?Sized> Write for Box<W> {
(**self).write_fmt(fmt)
}
}
@ -964,7 +899,7 @@ index aa8db17..aaf1b00 100644
impl<B: BufRead + ?Sized> BufRead for Box<B> {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { (**self).fill_buf() }
@@ -172,7 +180,6 @@ impl<B: BufRead + ?Sized> BufRead for Box<B> {
@@ -172,7 +176,6 @@ impl<B: BufRead + ?Sized> BufRead for Box<B> {
///
/// Note that reading updates the slice to point to the yet unread part.
/// The slice will be empty when EOF is reached.
@ -972,15 +907,7 @@ index aa8db17..aaf1b00 100644
impl Read for &[u8] {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
@@ -192,6 +199,7 @@ impl Read for &[u8] {
Ok(amt)
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nread = 0;
@@ -231,6 +239,7 @@ impl Read for &[u8] {
@@ -231,6 +234,7 @@ impl Read for &[u8] {
Ok(())
}
@ -988,7 +915,7 @@ index aa8db17..aaf1b00 100644
#[inline]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> io::Result<usize> {
buf.extend_from_slice(*self);
@@ -240,7 +249,7 @@ impl Read for &[u8] {
@@ -240,7 +244,7 @@ impl Read for &[u8] {
}
}
@ -997,7 +924,7 @@ index aa8db17..aaf1b00 100644
impl BufRead for &[u8] {
#[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { Ok(*self) }
@@ -254,7 +263,6 @@ impl BufRead for &[u8] {
@@ -254,7 +258,6 @@ impl BufRead for &[u8] {
///
/// Note that writing updates the slice to point to the yet unwritten part.
/// The slice will be empty when it has been completely overwritten.
@ -1005,15 +932,7 @@ index aa8db17..aaf1b00 100644
impl Write for &mut [u8] {
#[inline]
fn write(&mut self, data: &[u8]) -> io::Result<usize> {
@@ -265,6 +273,7 @@ impl Write for &mut [u8] {
Ok(amt)
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let mut nwritten = 0;
@@ -293,7 +302,7 @@ impl Write for &mut [u8] {
@@ -293,7 +296,7 @@ impl Write for &mut [u8] {
/// Write is implemented for `Vec<u8>` by appending to the vector.
/// The vector will grow as needed.
@ -1022,14 +941,6 @@ index aa8db17..aaf1b00 100644
impl Write for Vec<u8> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
@@ -301,6 +310,7 @@ impl Write for Vec<u8> {
Ok(buf.len())
}
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let len = bufs.iter().map(|b| b.len()).sum();
diff --git a/mod.rs b/mod.rs
index 12b158e..90064c4 100644
--- a/mod.rs
@ -1063,9 +974,9 @@ index 12b158e..90064c4 100644
+mod memchr;
+#[cfg(all(feature="collections",core_memchr))]
+use core::slice::memchr;
+#[cfg(feature="collections")] use core::ops::{Deref, DerefMut};
+use core::ptr;
+use core::slice;
+use core::ops::{Deref, DerefMut};
+use core::ptr;
+
+#[cfg(feature="collections")] pub use self::buffered::{BufReader, BufWriter, LineWriter};
+#[cfg(feature="collections")] pub use self::buffered::IntoInnerError;
@ -1141,16 +1052,15 @@ index 12b158e..90064c4 100644
fn read(&mut self, buf: &mut [u8]) -> Result<usize>;
/// Like `read`, except that it reads into a slice of buffers.
@@ -530,7 +519,7 @@ pub trait Read {
@@ -530,7 +519,6 @@ pub trait Read {
///
/// The default implementation simply passes the first nonempty buffer to
/// `read`.
- #[unstable(feature = "iovec", issue = "58452")]
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> Result<usize> {
match bufs.iter_mut().find(|b| !b.is_empty()) {
Some(buf) => self.read(buf),
@@ -560,7 +549,6 @@ pub trait Read {
@@ -560,7 +548,6 @@ pub trait Read {
///
/// [`Initializer::nop()`]: ../../std/io/struct.Initializer.html#method.nop
/// [`Initializer`]: ../../std/io/struct.Initializer.html
@ -1158,7 +1068,7 @@ index 12b158e..90064c4 100644
#[inline]
unsafe fn initializer(&self) -> Initializer {
Initializer::zeroing()
@@ -613,7 +601,7 @@ pub trait Read {
@@ -613,7 +600,7 @@ pub trait Read {
/// file.)
///
/// [`std::fs::read`]: ../fs/fn.read.html
@ -1167,7 +1077,7 @@ index 12b158e..90064c4 100644
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
read_to_end(self, buf)
}
@@ -656,7 +644,7 @@ pub trait Read {
@@ -656,7 +643,7 @@ pub trait Read {
/// reading from a file.)
///
/// [`std::fs::read_to_string`]: ../fs/fn.read_to_string.html
@ -1176,7 +1086,7 @@ index 12b158e..90064c4 100644
fn read_to_string(&mut self, buf: &mut String) -> Result<usize> {
// Note that we do *not* call `.read_to_end()` here. We are passing
// `&mut Vec<u8>` (the raw contents of `buf`) into the `read_to_end`
@@ -719,7 +707,6 @@ pub trait Read {
@@ -719,7 +706,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1184,7 +1094,7 @@ index 12b158e..90064c4 100644
fn read_exact(&mut self, mut buf: &mut [u8]) -> Result<()> {
while !buf.is_empty() {
match self.read(buf) {
@@ -771,7 +758,6 @@ pub trait Read {
@@ -771,7 +757,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1192,7 +1102,7 @@ index 12b158e..90064c4 100644
fn by_ref(&mut self) -> &mut Self where Self: Sized { self }
/// Transforms this `Read` instance to an [`Iterator`] over its bytes.
@@ -808,7 +794,6 @@ pub trait Read {
@@ -808,7 +793,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1200,7 +1110,7 @@ index 12b158e..90064c4 100644
fn bytes(self) -> Bytes<Self> where Self: Sized {
Bytes { inner: self }
}
@@ -843,7 +828,6 @@ pub trait Read {
@@ -843,7 +827,6 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1208,7 +1118,7 @@ index 12b158e..90064c4 100644
fn chain<R: Read>(self, next: R) -> Chain<Self, R> where Self: Sized {
Chain { first: self, second: next, done_first: false }
}
@@ -879,42 +863,77 @@ pub trait Read {
@@ -879,22 +862,52 @@ pub trait Read {
/// Ok(())
/// }
/// ```
@ -1218,10 +1128,8 @@ index 12b158e..90064c4 100644
}
}
+#[cfg(feature="collections")]
+pub struct IoVecBuffer<'a>(&'a [u8]);
+
+#[cfg(feature="collections")]
+impl<'a> IoVecBuffer<'a> {
+ #[inline]
+ pub fn new(buf: &'a [u8]) -> IoVecBuffer<'a> {
@ -1233,10 +1141,9 @@ index 12b158e..90064c4 100644
+ self.0
+ }
+}
+#[cfg(feature="collections")]
+
+pub struct IoVecMutBuffer<'a>(&'a mut [u8]);
+
+#[cfg(feature="collections")]
+impl<'a> IoVecMutBuffer<'a> {
+ #[inline]
+ pub fn new(buf: &'a mut [u8]) -> IoVecMutBuffer<'a> {
@ -1260,23 +1167,15 @@ index 12b158e..90064c4 100644
/// ABI compatible with the `iovec` type on Unix platforms and `WSABUF` on
/// Windows.
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
#[repr(transparent)]
-pub struct IoVecMut<'a>(sys::io::IoVecMut<'a>);
+pub struct IoVecMut<'a>(IoVecMutBuffer<'a>);
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> fmt::Debug for IoVecMut<'a> {
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
fmt::Debug::fmt(self.0.as_slice(), fmt)
}
}
+#[cfg(feature="collections")]
impl<'a> IoVecMut<'a> {
/// Creates a new `IoVecMut` wrapping a byte slice.
///
@@ -907,14 +920,12 @@ impl<'a> IoVecMut<'a> {
/// # Panics
///
/// Panics on Windows if the slice is larger than 4GB.
@ -1289,41 +1188,31 @@ index 12b158e..90064c4 100644
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> Deref for IoVecMut<'a> {
type Target = [u8];
@@ -924,7 +943,7 @@ impl<'a> Deref for IoVecMut<'a> {
@@ -924,7 +935,6 @@ impl<'a> Deref for IoVecMut<'a> {
}
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> DerefMut for IoVecMut<'a> {
#[inline]
fn deref_mut(&mut self) -> &mut [u8] {
@@ -937,31 +956,31 @@ impl<'a> DerefMut for IoVecMut<'a> {
@@ -937,11 +947,9 @@ impl<'a> DerefMut for IoVecMut<'a> {
/// It is semantically a wrapper around an `&[u8]`, but is guaranteed to be
/// ABI compatible with the `iovec` type on Unix platforms and `WSABUF` on
/// Windows.
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
#[repr(transparent)]
-pub struct IoVec<'a>(sys::io::IoVec<'a>);
+pub struct IoVec<'a>(IoVecBuffer<'a>);
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> fmt::Debug for IoVec<'a> {
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
fmt::Debug::fmt(self.0.as_slice(), fmt)
}
}
+#[cfg(feature="collections")]
impl<'a> IoVec<'a> {
/// Creates a new `IoVec` wrapping a byte slice.
///
@@ -954,14 +962,12 @@ impl<'a> IoVec<'a> {
/// # Panics
///
/// Panics on Windows if the slice is larger than 4GB.
@ -1336,11 +1225,10 @@ index 12b158e..90064c4 100644
}
-#[unstable(feature = "iovec", issue = "58452")]
+#[cfg(feature="collections")]
impl<'a> Deref for IoVec<'a> {
type Target = [u8];
@@ -972,13 +991,11 @@ impl<'a> Deref for IoVec<'a> {
@@ -972,13 +978,11 @@ impl<'a> Deref for IoVec<'a> {
}
/// A type used to conditionally initialize buffers passed to `Read` methods.
@ -1354,7 +1242,7 @@ index 12b158e..90064c4 100644
#[inline]
pub fn zeroing() -> Initializer {
Initializer(true)
@@ -992,21 +1009,18 @@ impl Initializer {
@@ -992,21 +996,18 @@ impl Initializer {
/// read from buffers passed to `Read` methods, and that the return value of
/// the method accurately reflects the number of bytes that have been
/// written to the head of the buffer.
@ -1376,7 +1264,7 @@ index 12b158e..90064c4 100644
#[inline]
pub fn initialize(&self, buf: &mut [u8]) {
if self.should_initialize() {
@@ -1049,7 +1063,6 @@ impl Initializer {
@@ -1049,7 +1050,6 @@ impl Initializer {
/// Ok(())
/// }
/// ```
@ -1384,7 +1272,7 @@ index 12b158e..90064c4 100644
#[doc(spotlight)]
pub trait Write {
/// Write a buffer into this writer, returning how many bytes were written.
@@ -1098,7 +1111,6 @@ pub trait Write {
@@ -1098,7 +1098,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1392,16 +1280,15 @@ index 12b158e..90064c4 100644
fn write(&mut self, buf: &[u8]) -> Result<usize>;
/// Like `write`, except that it writes from a slice of buffers.
@@ -1109,7 +1121,7 @@ pub trait Write {
@@ -1109,7 +1108,6 @@ pub trait Write {
///
/// The default implementation simply passes the first nonempty buffer to
/// `write`.
- #[unstable(feature = "iovec", issue = "58452")]
+ #[cfg(feature="collections")]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> Result<usize> {
match bufs.iter().find(|b| !b.is_empty()) {
Some(buf) => self.write(buf),
@@ -1140,7 +1152,6 @@ pub trait Write {
@@ -1140,7 +1138,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1409,7 +1296,7 @@ index 12b158e..90064c4 100644
fn flush(&mut self) -> Result<()>;
/// Attempts to write an entire buffer into this writer.
@@ -1173,7 +1184,6 @@ pub trait Write {
@@ -1173,7 +1170,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1417,7 +1304,7 @@ index 12b158e..90064c4 100644
fn write_all(&mut self, mut buf: &[u8]) -> Result<()> {
while !buf.is_empty() {
match self.write(buf) {
@@ -1225,7 +1235,6 @@ pub trait Write {
@@ -1225,7 +1221,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1425,7 +1312,7 @@ index 12b158e..90064c4 100644
fn write_fmt(&mut self, fmt: fmt::Arguments) -> Result<()> {
// Create a shim which translates a Write to a fmt::Write and saves
// off I/O errors. instead of discarding them
@@ -1281,7 +1290,6 @@ pub trait Write {
@@ -1281,7 +1276,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1433,7 +1320,7 @@ index 12b158e..90064c4 100644
fn by_ref(&mut self) -> &mut Self where Self: Sized { self }
}
@@ -1311,7 +1319,6 @@ pub trait Write {
@@ -1311,7 +1305,6 @@ pub trait Write {
/// Ok(())
/// }
/// ```
@ -1441,7 +1328,7 @@ index 12b158e..90064c4 100644
pub trait Seek {
/// Seek to an offset, in bytes, in a stream.
///
@@ -1327,7 +1334,6 @@ pub trait Seek {
@@ -1327,7 +1320,6 @@ pub trait Seek {
/// Seeking to a negative offset is considered an error.
///
/// [`SeekFrom::Start`]: enum.SeekFrom.html#variant.Start
@ -1449,7 +1336,7 @@ index 12b158e..90064c4 100644
fn seek(&mut self, pos: SeekFrom) -> Result<u64>;
}
@@ -1337,29 +1343,26 @@ pub trait Seek {
@@ -1337,29 +1329,26 @@ pub trait Seek {
///
/// [`Seek`]: trait.Seek.html
#[derive(Copy, PartialEq, Eq, Clone, Debug)]
@ -1483,7 +1370,7 @@ index 12b158e..90064c4 100644
fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
-> Result<usize> {
let mut read = 0;
@@ -1439,7 +1442,7 @@ fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
@@ -1439,7 +1428,7 @@ fn read_until<R: BufRead + ?Sized>(r: &mut R, delim: u8, buf: &mut Vec<u8>)
/// }
/// ```
///
@ -1492,7 +1379,7 @@ index 12b158e..90064c4 100644
pub trait BufRead: Read {
/// Returns the contents of the internal buffer, filling it with more data
/// from the inner reader if it is empty.
@@ -1485,7 +1488,6 @@ pub trait BufRead: Read {
@@ -1485,7 +1474,6 @@ pub trait BufRead: Read {
/// // ensure the bytes we worked with aren't returned again later
/// stdin.consume(length);
/// ```
@ -1500,7 +1387,7 @@ index 12b158e..90064c4 100644
fn fill_buf(&mut self) -> Result<&[u8]>;
/// Tells this buffer that `amt` bytes have been consumed from the buffer,
@@ -1507,7 +1509,6 @@ pub trait BufRead: Read {
@@ -1507,7 +1495,6 @@ pub trait BufRead: Read {
/// that method's example includes an example of `consume()`.
///
/// [`fill_buf`]: #tymethod.fill_buf
@ -1508,7 +1395,7 @@ index 12b158e..90064c4 100644
fn consume(&mut self, amt: usize);
/// Read all bytes into `buf` until the delimiter `byte` or EOF is reached.
@@ -1563,7 +1564,6 @@ pub trait BufRead: Read {
@@ -1563,7 +1550,6 @@ pub trait BufRead: Read {
/// assert_eq!(num_bytes, 0);
/// assert_eq!(buf, b"");
/// ```
@ -1516,7 +1403,7 @@ index 12b158e..90064c4 100644
fn read_until(&mut self, byte: u8, buf: &mut Vec<u8>) -> Result<usize> {
read_until(self, byte, buf)
}
@@ -1622,7 +1622,6 @@ pub trait BufRead: Read {
@@ -1622,7 +1608,6 @@ pub trait BufRead: Read {
/// assert_eq!(num_bytes, 0);
/// assert_eq!(buf, "");
/// ```
@ -1524,7 +1411,7 @@ index 12b158e..90064c4 100644
fn read_line(&mut self, buf: &mut String) -> Result<usize> {
// Note that we are not calling the `.read_until` method here, but
// rather our hardcoded implementation. For more details as to why, see
@@ -1663,7 +1662,6 @@ pub trait BufRead: Read {
@@ -1663,7 +1648,6 @@ pub trait BufRead: Read {
/// assert_eq!(split_iter.next(), Some(b"dolor".to_vec()));
/// assert_eq!(split_iter.next(), None);
/// ```
@ -1532,7 +1419,7 @@ index 12b158e..90064c4 100644
fn split(self, byte: u8) -> Split<Self> where Self: Sized {
Split { buf: self, delim: byte }
}
@@ -1702,7 +1700,6 @@ pub trait BufRead: Read {
@@ -1702,7 +1686,6 @@ pub trait BufRead: Read {
/// Each line of the iterator has the same error semantics as [`BufRead::read_line`].
///
/// [`BufRead::read_line`]: trait.BufRead.html#method.read_line
@ -1540,7 +1427,7 @@ index 12b158e..90064c4 100644
fn lines(self) -> Lines<Self> where Self: Sized {
Lines { buf: self }
}
@@ -1714,7 +1711,6 @@ pub trait BufRead: Read {
@@ -1714,7 +1697,6 @@ pub trait BufRead: Read {
/// Please see the documentation of [`chain`] for more details.
///
/// [`chain`]: trait.Read.html#method.chain
@ -1548,7 +1435,7 @@ index 12b158e..90064c4 100644
pub struct Chain<T, U> {
first: T,
second: U,
@@ -1740,7 +1736,6 @@ impl<T, U> Chain<T, U> {
@@ -1740,7 +1722,6 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1556,7 +1443,7 @@ index 12b158e..90064c4 100644
pub fn into_inner(self) -> (T, U) {
(self.first, self.second)
}
@@ -1763,7 +1758,6 @@ impl<T, U> Chain<T, U> {
@@ -1763,7 +1744,6 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1564,7 +1451,7 @@ index 12b158e..90064c4 100644
pub fn get_ref(&self) -> (&T, &U) {
(&self.first, &self.second)
}
@@ -1790,13 +1784,11 @@ impl<T, U> Chain<T, U> {
@@ -1790,13 +1770,11 @@ impl<T, U> Chain<T, U> {
/// Ok(())
/// }
/// ```
@ -1578,7 +1465,7 @@ index 12b158e..90064c4 100644
impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_struct("Chain")
@@ -1806,7 +1798,6 @@ impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
@@ -1806,7 +1784,6 @@ impl<T: fmt::Debug, U: fmt::Debug> fmt::Debug for Chain<T, U> {
}
}
@ -1586,15 +1473,7 @@ index 12b158e..90064c4 100644
impl<T: Read, U: Read> Read for Chain<T, U> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
if !self.done_first {
@@ -1818,6 +1809,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
self.second.read(buf)
}
+ #[cfg(feature="collections")]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> Result<usize> {
if !self.done_first {
match self.first.read_vectored(bufs)? {
@@ -1838,7 +1830,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
@@ -1838,7 +1815,7 @@ impl<T: Read, U: Read> Read for Chain<T, U> {
}
}
@ -1603,7 +1482,7 @@ index 12b158e..90064c4 100644
impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
fn fill_buf(&mut self) -> Result<&[u8]> {
if !self.done_first {
@@ -1865,7 +1857,6 @@ impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
@@ -1865,7 +1842,6 @@ impl<T: BufRead, U: BufRead> BufRead for Chain<T, U> {
/// Please see the documentation of [`take`] for more details.
///
/// [`take`]: trait.Read.html#method.take
@ -1611,7 +1490,7 @@ index 12b158e..90064c4 100644
#[derive(Debug)]
pub struct Take<T> {
inner: T,
@@ -1900,7 +1891,6 @@ impl<T> Take<T> {
@@ -1900,7 +1876,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1619,7 +1498,7 @@ index 12b158e..90064c4 100644
pub fn limit(&self) -> u64 { self.limit }
/// Sets the number of bytes that can be read before this instance will
@@ -1926,7 +1916,6 @@ impl<T> Take<T> {
@@ -1926,7 +1901,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1627,7 +1506,7 @@ index 12b158e..90064c4 100644
pub fn set_limit(&mut self, limit: u64) {
self.limit = limit;
}
@@ -1951,7 +1940,6 @@ impl<T> Take<T> {
@@ -1951,7 +1925,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1635,7 +1514,7 @@ index 12b158e..90064c4 100644
pub fn into_inner(self) -> T {
self.inner
}
@@ -1976,7 +1964,6 @@ impl<T> Take<T> {
@@ -1976,7 +1949,6 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1643,7 +1522,7 @@ index 12b158e..90064c4 100644
pub fn get_ref(&self) -> &T {
&self.inner
}
@@ -2005,13 +1992,11 @@ impl<T> Take<T> {
@@ -2005,13 +1977,11 @@ impl<T> Take<T> {
/// Ok(())
/// }
/// ```
@ -1657,16 +1536,16 @@ index 12b158e..90064c4 100644
impl<T: Read> Read for Take<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
// Don't call into inner reader at all at EOF because it may still block
@@ -2028,15 +2013,9 @@ impl<T: Read> Read for Take<T> {
unsafe fn initializer(&self) -> Initializer {
@@ -2029,6 +1999,7 @@ impl<T: Read> Read for Take<T> {
self.inner.initializer()
}
-
- fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
- let reservation_size = cmp::min(self.limit, 32) as usize;
-
- read_to_end_with_reservation(self, buf, reservation_size)
- }
+ #[cfg(feature="collections")]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
let reservation_size = cmp::min(self.limit, 32) as usize;
@@ -2036,7 +2007,7 @@ impl<T: Read> Read for Take<T> {
}
}
-#[stable(feature = "rust1", since = "1.0.0")]
@ -1674,7 +1553,7 @@ index 12b158e..90064c4 100644
impl<T: BufRead> BufRead for Take<T> {
fn fill_buf(&mut self) -> Result<&[u8]> {
// Don't call into inner reader at all at EOF because it may still block
@@ -2063,13 +2042,11 @@ impl<T: BufRead> BufRead for Take<T> {
@@ -2063,13 +2034,11 @@ impl<T: BufRead> BufRead for Take<T> {
/// Please see the documentation of [`bytes`] for more details.
///
/// [`bytes`]: trait.Read.html#method.bytes
@ -1688,7 +1567,7 @@ index 12b158e..90064c4 100644
impl<R: Read> Iterator for Bytes<R> {
type Item = Result<u8>;
@@ -2093,14 +2070,14 @@ impl<R: Read> Iterator for Bytes<R> {
@@ -2093,14 +2062,14 @@ impl<R: Read> Iterator for Bytes<R> {
/// `BufRead`. Please see the documentation of `split()` for more details.
///
/// [split]: trait.BufRead.html#method.split
@ -1705,7 +1584,7 @@ index 12b158e..90064c4 100644
impl<B: BufRead> Iterator for Split<B> {
type Item = Result<Vec<u8>>;
@@ -2125,13 +2102,13 @@ impl<B: BufRead> Iterator for Split<B> {
@@ -2125,13 +2094,13 @@ impl<B: BufRead> Iterator for Split<B> {
/// `BufRead`. Please see the documentation of `lines()` for more details.
///
/// [lines]: trait.BufRead.html#method.lines
@ -1748,9 +1627,9 @@ index 5ce955e..c7d8697 100644
-use io::{self, Read, Initializer, Write, ErrorKind, BufRead, IoVec, IoVecMut};
-use mem;
+use core::fmt;
+use io::{self, Read, Initializer, Write, ErrorKind};
+use io::{self, Read, Initializer, Write, ErrorKind, IoVec, IoVecMut};
+#[cfg(feature="collections")] use io::BufRead;
+use core::mem;
+#[cfg(feature="collections")] use io::{BufRead, IoVec, IoVecMut};
/// Copies the entire contents of a reader into a writer.
///
@ -1818,15 +1697,7 @@ index 5ce955e..c7d8697 100644
impl Read for Repeat {
#[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
@@ -152,6 +146,7 @@ impl Read for Repeat {
Ok(buf.len())
}
+ #[cfg(feature="collections")]
#[inline]
fn read_vectored(&mut self, bufs: &mut [IoVecMut<'_>]) -> io::Result<usize> {
let mut nwritten = 0;
@@ -167,7 +162,6 @@ impl Read for Repeat {
@@ -167,7 +161,6 @@ impl Read for Repeat {
}
}
@ -1834,7 +1705,7 @@ index 5ce955e..c7d8697 100644
impl fmt::Debug for Repeat {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.pad("Repeat { .. }")
@@ -180,7 +174,6 @@ impl fmt::Debug for Repeat {
@@ -180,7 +173,6 @@ impl fmt::Debug for Repeat {
/// see the documentation of `sink()` for more details.
///
/// [sink]: fn.sink.html
@ -1842,7 +1713,7 @@ index 5ce955e..c7d8697 100644
pub struct Sink { _priv: () }
/// Creates an instance of a writer which will successfully consume all data.
@@ -197,14 +190,13 @@ pub struct Sink { _priv: () }
@@ -197,10 +189,8 @@ pub struct Sink { _priv: () }
/// let num_bytes = io::sink().write(&buffer).unwrap();
/// assert_eq!(num_bytes, 5);
/// ```
@ -1853,12 +1724,7 @@ index 5ce955e..c7d8697 100644
impl Write for Sink {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { Ok(buf.len()) }
+ #[cfg(feature="collections")]
#[inline]
fn write_vectored(&mut self, bufs: &[IoVec<'_>]) -> io::Result<usize> {
let total_len = bufs.iter().map(|b| b.len()).sum();
@@ -215,7 +207,6 @@ impl Write for Sink {
@@ -215,7 +205,6 @@ impl Write for Sink {
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}

22
patches/fc84f5f837a3e1b9b9bc992dd603d3d968502288.patch
View File

@ -1409,16 +1409,16 @@ index dc97701..6ea0b47 100644
impl<T: Read> Read for Take<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1907,15 +1856,9 @@ impl<T: Read> Read for Take<T> {
unsafe fn initializer(&self) -> Initializer {
@@ -1908,6 +1857,7 @@ impl<T: Read> Read for Take<T> {
self.inner.initializer()
}
-
- fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
- let reservation_size = cmp::min(self.limit, 32) as usize;
-
- read_to_end_with_reservation(self, buf, reservation_size)
- }
+ #[cfg(feature="collections")]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
let reservation_size = cmp::min(self.limit, 32) as usize;
@@ -1915,7 +1865,7 @@ impl<T: Read> Read for Take<T> {
}
}
-#[stable(feature = "rust1", since = "1.0.0")]
@ -1426,7 +1426,7 @@ index dc97701..6ea0b47 100644
impl<T: BufRead> BufRead for Take<T> {
fn fill_buf(&mut self) -> Result<&[u8]> {
// Don't call into inner reader at all at EOF because it may still block
@@ -1954,13 +1897,11 @@ fn read_one_byte(reader: &mut dyn Read) -> Option<Result<u8>> {
@@ -1954,13 +1904,11 @@ fn read_one_byte(reader: &mut dyn Read) -> Option<Result<u8>> {
/// Please see the documentation of [`bytes`] for more details.
///
/// [`bytes`]: trait.Read.html#method.bytes
@ -1440,7 +1440,7 @@ index dc97701..6ea0b47 100644
impl<R: Read> Iterator for Bytes<R> {
type Item = Result<u8>;
@@ -1976,14 +1917,14 @@ impl<R: Read> Iterator for Bytes<R> {
@@ -1976,14 +1924,14 @@ impl<R: Read> Iterator for Bytes<R> {
/// `BufRead`. Please see the documentation of `split()` for more details.
///
/// [split]: trait.BufRead.html#method.split
@ -1457,7 +1457,7 @@ index dc97701..6ea0b47 100644
impl<B: BufRead> Iterator for Split<B> {
type Item = Result<Vec<u8>>;
@@ -2008,13 +1949,13 @@ impl<B: BufRead> Iterator for Split<B> {
@@ -2008,13 +1956,13 @@ impl<B: BufRead> Iterator for Split<B> {
/// `BufRead`. Please see the documentation of `lines()` for more details.
///
/// [lines]: trait.BufRead.html#method.lines