forked from M-Labs/nac3
demo: rewrite in Rust
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4760851638
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@ -1,30 +0,0 @@
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#include <stdio.h>
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#include <string.h>
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void output_int32(int x) {
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printf("%d\n", x);
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}
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void output_int64(long x) {
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printf("%ld\n", x);
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}
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void output_asciiart(int x) {
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static char chars[] = " .,-:;i+hHM$*#@ ";
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if(x < 0) {
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putchar('\n');
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} else {
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if(x < strlen(chars)) {
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putchar(chars[x]);
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} else {
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printf("ERROR\n");
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}
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}
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}
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extern int run();
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int main() {
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run();
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return 0;
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}
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@ -0,0 +1,29 @@
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#[no_mangle]
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pub extern "C" fn output_int32(x: i32) {
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println!("{}", x);
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}
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#[no_mangle]
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pub extern "C" fn output_int64(x: i64) {
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println!("{}", x);
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}
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#[no_mangle]
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pub extern "C" fn output_asciiart(x: i32) {
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let chars = " .,-:;i+hHM$*#@ ";
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if x < 0 {
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println!("");
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} else {
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print!("{}", chars.chars().nth(x as usize).unwrap());
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}
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}
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extern "C" {
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fn run() -> i32;
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}
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fn main() {
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unsafe {
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run();
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}
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}
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@ -9,5 +9,5 @@ fi
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rm -f *.o
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../../target/release/nac3standalone $1
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clang -Wall -O2 -o $1.elf demo.c module.o -lm
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rustc -o $1.elf demo.rs -Clink-arg=./module.o
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./$1.elf
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