Mercurial > hg > CbC > CbC_gcc
diff libssp/ssp/string.h @ 0:a06113de4d67
first commit
author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
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date | Fri, 17 Jul 2009 14:47:48 +0900 |
parents | |
children | 04ced10e8804 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libssp/ssp/string.h Fri Jul 17 14:47:48 2009 +0900 @@ -0,0 +1,167 @@ +/* Checking macros for string functions. + Copyright (C) 2004, 2005, 2009 Free Software Foundation, Inc. + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 3, or (at your option) any later +version. + +In addition to the permissions in the GNU General Public License, the +Free Software Foundation gives you unlimited permission to link the +compiled version of this file into combinations with other programs, +and to distribute those combinations without any restriction coming +from the use of this file. (The General Public License restrictions +do apply in other respects; for example, they cover modification of +the file, and distribution when not linked into a combine +executable.) + +GCC is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +Under Section 7 of GPL version 3, you are granted additional +permissions described in the GCC Runtime Library Exception, version +3.1, as published by the Free Software Foundation. + +You should have received a copy of the GNU General Public License and +a copy of the GCC Runtime Library Exception along with this program; +see the files COPYING3 and COPYING.RUNTIME respectively. If not, see +<http://www.gnu.org/licenses/>. */ + + +#ifndef _SSP_STRING_H +#define _SSP_STRING_H 1 + +#include <ssp.h> +#include_next <string.h> + +#if __SSP_FORTIFY_LEVEL > 0 + +#undef memcpy +#undef memmove +#undef memset +#undef strcat +#undef strcpy +#undef strncat +#undef strncpy +#undef mempcpy +#undef stpcpy +#undef bcopy +#undef bzero + +#define memcpy(dest, src, len) \ + ((__ssp_bos0 (dest) != (size_t) -1) \ + ? __builtin___memcpy_chk (dest, src, len, __ssp_bos0 (dest)) \ + : __memcpy_ichk (dest, src, len)) +static inline __attribute__((__always_inline__)) void * +__memcpy_ichk (void *__restrict__ __dest, const void *__restrict__ __src, + size_t __len) +{ + return __builtin___memcpy_chk (__dest, __src, __len, __ssp_bos0 (__dest)); +} + + +#define memmove(dest, src, len) \ + ((__ssp_bos0 (dest) != (size_t) -1) \ + ? __builtin___memmove_chk (dest, src, len, __ssp_bos0 (dest)) \ + : __memmove_ichk (dest, src, len)) +static inline __attribute__((__always_inline__)) void * +__memmove_ichk (void *__dest, const void *__src, size_t __len) +{ + return __builtin___memmove_chk (__dest, __src, __len, __ssp_bos0 (__dest)); +} + + +#define mempcpy(dest, src, len) \ + ((__ssp_bos0 (dest) != (size_t) -1) \ + ? __builtin___mempcpy_chk (dest, src, len, __ssp_bos0 (dest)) \ + : __mempcpy_ichk (dest, src, len)) +static inline __attribute__((__always_inline__)) void * +__mempcpy_ichk (void *__restrict__ __dest, const void *__restrict__ __src, + size_t __len) +{ + return __builtin___mempcpy_chk (__dest, __src, __len, __ssp_bos0 (__dest)); +} + + +#define memset(dest, ch, len) \ + ((__ssp_bos0 (dest) != (size_t) -1) \ + ? __builtin___memset_chk (dest, ch, len, __ssp_bos0 (dest)) \ + : __memset_ichk (dest, ch, len)) +static inline __attribute__((__always_inline__)) void * +__memset_ichk (void *__dest, int __ch, size_t __len) +{ + return __builtin___memset_chk (__dest, __ch, __len, __ssp_bos0 (__dest)); +} + +#define bcopy(src, dest, len) ((void) \ + ((__ssp_bos0 (dest) != (size_t) -1) \ + ? __builtin___memmove_chk (dest, src, len, __ssp_bos0 (dest)) \ + : __memmove_ichk (dest, src, len))) +#define bzero(dest, len) ((void) \ + ((__ssp_bos0 (dest) != (size_t) -1) \ + ? __builtin___memset_chk (dest, '\0', len, __ssp_bos0 (dest)) \ + : __memset_ichk (dest, '\0', len))) + + +#define strcpy(dest, src) \ + ((__ssp_bos (dest) != (size_t) -1) \ + ? __builtin___strcpy_chk (dest, src, __ssp_bos (dest)) \ + : __strcpy_ichk (dest, src)) +static inline __attribute__((__always_inline__)) char * +__strcpy_ichk (char *__restrict__ __dest, const char *__restrict__ __src) +{ + return __builtin___strcpy_chk (__dest, __src, __ssp_bos (__dest)); +} + + +#define stpcpy(dest, src) \ + ((__ssp_bos (dest) != (size_t) -1) \ + ? __builtin___stpcpy_chk (dest, src, __ssp_bos (dest)) \ + : __stpcpy_ichk (dest, src)) +static inline __attribute__((__always_inline__)) char * +__stpcpy_ichk (char *__restrict__ __dest, const char *__restrict__ __src) +{ + return __builtin___stpcpy_chk (__dest, __src, __ssp_bos (__dest)); +} + + +#define strncpy(dest, src, len) \ + ((__ssp_bos (dest) != (size_t) -1) \ + ? __builtin___strncpy_chk (dest, src, len, __ssp_bos (dest)) \ + : __strncpy_ichk (dest, src, len)) +static inline __attribute__((__always_inline__)) char * +__strncpy_ichk (char *__restrict__ __dest, const char *__restrict__ __src, + size_t __len) +{ + return __builtin___strncpy_chk (__dest, __src, __len, __ssp_bos (__dest)); +} + + +#define strcat(dest, src) \ + ((__ssp_bos (dest) != (size_t) -1) \ + ? __builtin___strcat_chk (dest, src, __ssp_bos (dest)) \ + : __strcat_ichk (dest, src)) +static inline __attribute__((__always_inline__)) char * +__strcat_ichk (char *__restrict__ __dest, const char *__restrict__ __src) +{ + return __builtin___strcat_chk (__dest, __src, __ssp_bos (__dest)); +} + + +#define strncat(dest, src, len) \ + ((__ssp_bos (dest) != (size_t) -1) \ + ? __builtin___strncat_chk (dest, src, len, __ssp_bos (dest)) \ + : __strncat_ichk (dest, src, len)) +static inline __attribute__((__always_inline__)) char * +__strncat_ichk (char *__restrict__ __dest, const char *__restrict__ __src, + size_t __len) +{ + return __builtin___strncat_chk (__dest, __src, __len, __ssp_bos (__dest)); +} + +#endif /* __SSP_FORTIFY_LEVEL > 0 */ +#endif /* _SSP_STRING_H */