core/irrt: use __builtin_strlen

nac3core/irrt/irrt/cstr_util.hpp

@@ -1,20 +0,0 @@
-#pragma once
-
-#include <irrt/int_types.hpp>
-
-namespace cstr
-{
-/**
- * @brief Implementation of `strlen()`.
- */
-uint32_t length(const char *str)
-{
-    uint32_t length = 0;
-    while (*str != '\0')
-    {
-        length++;
-        str++;
-    }
-    return length;
-}
-} // namespace cstr

nac3core/irrt/irrt/exception.hpp

@@ -1,7 +1,6 @@
 #pragma once
 
 #include <irrt/cslice.hpp>
-#include <irrt/cstr_util.hpp>
 #include <irrt/int_types.hpp>
 
 /**
@@ -53,11 +52,11 @@ void _raise_exception_helper(ExceptionId id, const char *filename, int32_t line,
 {
     Exception<SizeT> e = {
         .id = id,
-        .filename = {.base = (uint8_t *)filename, .len = (int32_t)cstr::length(filename)},
+        .filename = {.base = (uint8_t *)filename, .len = __builtin_strlen(filename)},
         .line = line,
         .column = 0,
-        .function = {.base = (uint8_t *)function, .len = (int32_t)cstr::length(function)},
+        .function = {.base = (uint8_t *)function, .len = __builtin_strlen(function)},
-        .msg = {.base = (uint8_t *)msg, .len = (int32_t)cstr::length(msg)},
+        .msg = {.base = (uint8_t *)msg, .len = __builtin_strlen(msg)},
     };
     e.params[0] = param0;
     e.params[1] = param1;