60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
/*
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* Copyright (C) 2015 Dimitris Papastamos <sin@2f30.org>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _FORTIFY_STRINGS_H
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#define _FORTIFY_STRINGS_H
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#include_next <strings.h>
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#if defined(_FORTIFY_SOURCE) && _FORTIFY_SOURCE > 0 && defined(__OPTIMIZE__) && __OPTIMIZE__ > 0
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#include "fortify-headers.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) || defined(_POSIX_SOURCE) \
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|| (defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE+0 < 200809L) \
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|| (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE+0 < 700)
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#undef bcopy
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#undef bzero
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_FORTIFY_FN(bcopy) void bcopy(const void *__s, void *__d, size_t __n)
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{
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size_t __bd = __builtin_object_size(__d, 0);
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size_t __bs = __builtin_object_size(__s, 0);
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if (__n > __bd || __n > __bs)
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__builtin_trap();
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return __orig_bcopy(__s, __d, __n);
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}
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_FORTIFY_FN(bzero) void bzero(void *__s, size_t __n)
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{
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size_t __b = __builtin_object_size(__s, 0);
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if (__n > __b)
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__builtin_trap();
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return __orig_bzero(__s, __n);
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}
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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#endif
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