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/*
* Copyright (C) 2015-2016 Dimitris Papastamos <sin@2f30.org>
* Copyright (C) 2022 q66 <q66@chimera-linux.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_STRINGS_H
#define _FORTIFY_STRINGS_H
#include_next <strings.h>
#if defined(_FORTIFY_SOURCE) && _FORTIFY_SOURCE > 0 && defined(__OPTIMIZE__) && __OPTIMIZE__ > 0
#include "fortify-headers.h"
#ifdef __cplusplus
extern "C" {
#endif
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) || defined(_POSIX_SOURCE) \
|| (defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE+0 < 200809L) \
|| (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE+0 < 700)
#undef bcopy
#undef bzero
__fortify_access(write_only, 2, 3)
__fortify_access(read_only, 1, 3)
_FORTIFY_FN(bcopy) void bcopy(const void * _FORTIFY_POS0 __s,
void * _FORTIFY_POS0 __d, size_t __n)
{
size_t __bd = __bos(__d, 0);
size_t __bs = __bos(__s, 0);
if (__n > __bd || __n > __bs)
__builtin_trap();
return __orig_bcopy(__s, __d, __n);
}
__fortify_access(write_only, 1, 2)
_FORTIFY_FN(bzero) void bzero(void * _FORTIFY_POS0 __s, size_t __n)
{
size_t __b = __bos(__s, 0);
if (__n > __b)
__builtin_trap();
return __orig_bzero(__s, __n);
}
#endif
#ifdef __cplusplus
}
#endif
#endif
#endif
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