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add libc primitives to reduce dependencies

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daanx 2023-05-19 11:57:10 -07:00
parent 4a85f32f8e
commit e10467f673
5 changed files with 261 additions and 14 deletions
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10
src/options.c
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@ -9,9 +9,9 @@ terms of the MIT license. A copy of the license can be found in the file
#include "mimalloc/atomic.h"
#include "mimalloc/prim.h" // mi_prim_out_stderr
#include <stdio.h> // FILE
#include <stdio.h> // stdin/stdout
#include <stdlib.h> // abort
#include <stdarg.h>
static long mi_max_error_count = 16; // stop outputting errors after this (use < 0 for no limit)
@ -312,12 +312,12 @@ void _mi_fputs(mi_output_fun* out, void* arg, const char* prefix, const char* me
}
// Define our own limited `fprintf` that avoids memory allocation.
// We do this using `snprintf` with a limited buffer.
// We do this using `_mi_vsnprintf` with a limited buffer.
static void mi_vfprintf( mi_output_fun* out, void* arg, const char* prefix, const char* fmt, va_list args ) {
char buf[512];
if (fmt==NULL) return;
if (!mi_recurse_enter()) return;
vsnprintf(buf,sizeof(buf)-1,fmt,args);
_mi_vsnprintf(buf, sizeof(buf)-1, fmt, args);
mi_recurse_exit();
_mi_fputs(out,arg,prefix,buf);
}
@ -332,7 +332,7 @@ void _mi_fprintf( mi_output_fun* out, void* arg, const char* fmt, ... ) {
static void mi_vfprintf_thread(mi_output_fun* out, void* arg, const char* prefix, const char* fmt, va_list args) {
if (prefix != NULL && _mi_strnlen(prefix,33) <= 32 && !_mi_is_main_thread()) {
char tprefix[64];
snprintf(tprefix, sizeof(tprefix), "%sthread 0x%llx: ", prefix, (unsigned long long)_mi_thread_id());
_mi_snprintf(tprefix, sizeof(tprefix), "%sthread 0x%zx: ", prefix, (size_t)_mi_thread_id());
mi_vfprintf(out, arg, tprefix, fmt, args);
}
else {