/* * Copyright (C) 2015 Dimitris Papastamos * * 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 #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_FN(bcopy) void bcopy(const void *__s, void *__d, size_t __n) { size_t __bd = __builtin_object_size(__d, 0); size_t __bs = __builtin_object_size(__s, 0); if (__n > __bd || __n > __bs) __builtin_trap(); return __orig_bcopy(__s, __d, __n); } _FORTIFY_FN(bzero) void bzero(void *__s, size_t __n) { size_t __b = __builtin_object_size(__s, 0); if (__n > __b) __builtin_trap(); return __orig_bzero(__s, __n); } #endif #ifdef __cplusplus } #endif #endif #endif