58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
/*
|
|
* Copyright (C) 2015 Dimitris Papastamos <sin@2f30.org>
|
|
*
|
|
* Permission to use, copy, modify, and/or distribute this software for any
|
|
* purpose with or without fee is hereby granted.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#ifndef _FORTIFY_STDLIB_H
|
|
#define _FORTIFY_STDLIB_H
|
|
|
|
#include_next <stdlib.h>
|
|
|
|
#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
|
|
#include_next <limits.h>
|
|
#endif
|
|
|
|
#if defined(_FORTIFY_SOURCE) && _FORTIFY_SOURCE > 0 && defined(__OPTIMIZE__) && __OPTIMIZE__ > 0
|
|
#include "fortify-headers.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
|
|
#undef realpath
|
|
_FORTIFY_FN(realpath) char *realpath(const char *__p, char *__r)
|
|
{
|
|
size_t __b;
|
|
|
|
if (__r) {
|
|
#ifndef PATH_MAX
|
|
#error PATH_MAX unset. A fortified realpath will not work.
|
|
#else
|
|
__b = __builtin_object_size(__r, 0);
|
|
if (PATH_MAX > __b)
|
|
__builtin_trap();
|
|
#endif
|
|
}
|
|
return __orig_realpath(__p, __r);
|
|
}
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|
|
|
|
#endif
|