string3.h
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上传日期:2009-04-28
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- /* Copyright (C) 2004 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
- The GNU C Library 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
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
- #ifndef _STRING_H
- # error "Never use <bits/string3.h> directly; include <string.h> instead."
- #endif
- /* XXX This is temporarily. We should not redefine any of the symbols
- and instead integrate the error checking into the original
- definitions. */
- #undef memcpy
- #undef memmove
- #undef memset
- #undef strcat
- #undef strcpy
- #undef strncat
- #undef strncpy
- #ifdef __USE_GNU
- # undef mempcpy
- # undef stpcpy
- #endif
- #ifdef __USE_BSD
- # undef bcopy
- # undef bzero
- #endif
- #define memcpy(dest, src, len)
- ((__bos0 (dest) != (size_t) -1)
- ? __builtin___memcpy_chk (dest, src, len, __bos0 (dest))
- : __memcpy_ichk (dest, src, len))
- static __inline__ void *
- __attribute__ ((__always_inline__))
- __memcpy_ichk (void *__restrict __dest, const void *__restrict __src,
- size_t __len)
- {
- return __builtin___memcpy_chk (__dest, __src, __len, __bos0 (__dest));
- }
- #define memmove(dest, src, len)
- ((__bos0 (dest) != (size_t) -1)
- ? __builtin___memmove_chk (dest, src, len, __bos0 (dest))
- : __memmove_ichk (dest, src, len))
- static __inline__ void *
- __attribute__ ((__always_inline__))
- __memmove_ichk (void *__dest, const void *__src, size_t __len)
- {
- return __builtin___memmove_chk (__dest, __src, __len, __bos0 (__dest));
- }
- #ifdef __USE_GNU
- # define mempcpy(dest, src, len)
- ((__bos0 (dest) != (size_t) -1)
- ? __builtin___mempcpy_chk (dest, src, len, __bos0 (dest))
- : __mempcpy_ichk (dest, src, len))
- static __inline__ void *
- __attribute__ ((__always_inline__))
- __mempcpy_ichk (void *__restrict __dest, const void *__restrict __src,
- size_t __len)
- {
- return __builtin___mempcpy_chk (__dest, __src, __len, __bos0 (__dest));
- }
- #endif
- #define memset(dest, ch, len)
- ((__bos0 (dest) != (size_t) -1)
- ? __builtin___memset_chk (dest, ch, len, __bos0 (dest))
- : __memset_ichk (dest, ch, len))
- static __inline__ void *
- __attribute__ ((__always_inline__))
- __memset_ichk (void *__dest, int __ch, size_t __len)
- {
- return __builtin___memset_chk (__dest, __ch, __len, __bos0 (__dest));
- }
- #ifdef __USE_BSD
- # define bcopy(src, dest, len) ((void)
- ((__bos0 (dest) != (size_t) -1)
- ? __builtin___memmove_chk (dest, src, len, __bos0 (dest))
- : __memmove_ichk (dest, src, len)))
- # define bzero(dest, len) ((void)
- ((__bos0 (dest) != (size_t) -1)
- ? __builtin___memset_chk (dest, ' ', len, __bos0 (dest))
- : __memset_ichk (dest, ' ', len)))
- #endif
- #define strcpy(dest, src)
- ((__bos (dest) != (size_t) -1)
- ? __builtin___strcpy_chk (dest, src, __bos (dest))
- : __strcpy_ichk (dest, src))
- static __inline__ char *
- __attribute__ ((__always_inline__))
- __strcpy_ichk (char *__restrict __dest, const char *__restrict __src)
- {
- return __builtin___strcpy_chk (__dest, __src, __bos (__dest));
- }
- #ifdef __USE_GNU
- # define stpcpy(dest, src)
- ((__bos (dest) != (size_t) -1)
- ? __builtin___stpcpy_chk (dest, src, __bos (dest))
- : __stpcpy_ichk (dest, src))
- static __inline__ char *
- __attribute__ ((__always_inline__))
- __stpcpy_ichk (char *__restrict __dest, const char *__restrict __src)
- {
- return __builtin___stpcpy_chk (__dest, __src, __bos (__dest));
- }
- #endif
- #define strncpy(dest, src, len)
- ((__bos (dest) != (size_t) -1)
- ? __builtin___strncpy_chk (dest, src, len, __bos (dest))
- : __strncpy_ichk (dest, src, len))
- static __inline__ char *
- __attribute__ ((__always_inline__))
- __strncpy_ichk (char *__restrict __dest, const char *__restrict __src,
- size_t __len)
- {
- return __builtin___strncpy_chk (__dest, __src, __len, __bos (__dest));
- }
- #define strcat(dest, src)
- ((__bos (dest) != (size_t) -1)
- ? __builtin___strcat_chk (dest, src, __bos (dest))
- : __strcat_ichk (dest, src))
- static __inline__ char *
- __attribute__ ((__always_inline__))
- __strcat_ichk (char *__restrict __dest, const char *__restrict __src)
- {
- return __builtin___strcat_chk (__dest, __src, __bos (__dest));
- }
- #define strncat(dest, src, len)
- ((__bos (dest) != (size_t) -1)
- ? __builtin___strncat_chk (dest, src, len, __bos (dest))
- : __strncat_ichk (dest, src, len))
- static __inline__ char *
- __attribute__ ((__always_inline__))
- __strncat_ichk (char *__restrict __dest, const char *__restrict __src,
- size_t __len)
- {
- return __builtin___strncat_chk (__dest, __src, __len, __bos (__dest));
- }