gcc/libgo/go/syscall/errno.c
Ian Lance Taylor 389578d7a6 re PR c/82922 (Request: add -Wstrict-prototypes to -Wextra as K&R style is obsolescent)
PR c/82922

    runtime, syscall: use full prototypes in C code
    
    Based on patch by Martin Sebor.
    
    Reviewed-on: https://go-review.googlesource.com/86815

From-SVN: r256437
2018-01-10 15:42:23 +00:00

28 lines
640 B
C

/* errno.c -- functions for getting and setting errno
Copyright 2010 The Go Authors. All rights reserved.
Use of this source code is governed by a BSD-style
license that can be found in the LICENSE file. */
#include <errno.h>
#include <stdint.h>
#include "runtime.h"
/* errno is typically a macro. These functions set
and get errno specific to the libc being used. */
uintptr_t GetErrno(void) __asm__ (GOSYM_PREFIX "syscall.GetErrno");
void SetErrno(uintptr_t) __asm__ (GOSYM_PREFIX "syscall.SetErrno");
uintptr_t
GetErrno(void)
{
return (uintptr_t) errno;
}
void
SetErrno(uintptr_t value)
{
errno = (int) value;
}