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/* Checking macros for string functions. |
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Copyright (C) 2004-2021 Free Software Foundation, Inc. |
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|
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This file is part of GCC. |
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|
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GCC is free software; you can redistribute it and/or modify it under |
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the terms of the GNU General Public License as published by the Free |
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Software Foundation; either version 3, or (at your option) any later |
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version. |
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|
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In addition to the permissions in the GNU General Public License, the |
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Free Software Foundation gives you unlimited permission to link the |
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compiled version of this file into combinations with other programs, |
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and to distribute those combinations without any restriction coming |
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from the use of this file. (The General Public License restrictions |
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do apply in other respects; for example, they cover modification of |
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the file, and distribution when not linked into a combine |
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executable.) |
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|
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
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WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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for more details. |
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|
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Under Section 7 of GPL version 3, you are granted additional |
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permissions described in the GCC Runtime Library Exception, version |
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3.1, as published by the Free Software Foundation. |
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|
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You should have received a copy of the GNU General Public License and |
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a copy of the GCC Runtime Library Exception along with this program; |
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
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<http://www.gnu.org/licenses/>. */ |
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|
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#ifndef _SSP_STRING_H |
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#define _SSP_STRING_H 1 |
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|
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#include <ssp.h> |
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#include_next <string.h> |
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|
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#if __SSP_FORTIFY_LEVEL > 0 |
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|
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#undef memcpy |
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#undef memmove |
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#undef memset |
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#undef strcat |
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#undef strcpy |
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#undef strncat |
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#undef strncpy |
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#undef mempcpy |
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#undef stpcpy |
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#undef bcopy |
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#undef bzero |
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|
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#define memcpy(dest, src, len) \ |
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((__ssp_bos0 (dest) != (size_t) -1) \ |
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? __builtin___memcpy_chk (dest, src, len, __ssp_bos0 (dest)) \ |
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: __memcpy_ichk (dest, src, len)) |
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static inline __attribute__((__always_inline__)) void * |
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__memcpy_ichk (void *__restrict__ __dest, const void *__restrict__ __src, |
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size_t __len) |
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{ |
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return __builtin___memcpy_chk (__dest, __src, __len, __ssp_bos0 (__dest)); |
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} |
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|
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|
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#define memmove(dest, src, len) \ |
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((__ssp_bos0 (dest) != (size_t) -1) \ |
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? __builtin___memmove_chk (dest, src, len, __ssp_bos0 (dest)) \ |
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: __memmove_ichk (dest, src, len)) |
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static inline __attribute__((__always_inline__)) void * |
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__memmove_ichk (void *__dest, const void *__src, size_t __len) |
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{ |
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return __builtin___memmove_chk (__dest, __src, __len, __ssp_bos0 (__dest)); |
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} |
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|
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|
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#define mempcpy(dest, src, len) \ |
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((__ssp_bos0 (dest) != (size_t) -1) \ |
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? __builtin___mempcpy_chk (dest, src, len, __ssp_bos0 (dest)) \ |
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: __mempcpy_ichk (dest, src, len)) |
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static inline __attribute__((__always_inline__)) void * |
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__mempcpy_ichk (void *__restrict__ __dest, const void *__restrict__ __src, |
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size_t __len) |
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{ |
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return __builtin___mempcpy_chk (__dest, __src, __len, __ssp_bos0 (__dest)); |
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} |
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|
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|
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#define memset(dest, ch, len) \ |
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((__ssp_bos0 (dest) != (size_t) -1) \ |
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? __builtin___memset_chk (dest, ch, len, __ssp_bos0 (dest)) \ |
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: __memset_ichk (dest, ch, len)) |
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static inline __attribute__((__always_inline__)) void * |
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__memset_ichk (void *__dest, int __ch, size_t __len) |
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{ |
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return __builtin___memset_chk (__dest, __ch, __len, __ssp_bos0 (__dest)); |
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} |
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|
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#define bcopy(src, dest, len) ((void) \ |
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((__ssp_bos0 (dest) != (size_t) -1) \ |
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? __builtin___memmove_chk (dest, src, len, __ssp_bos0 (dest)) \ |
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: __memmove_ichk (dest, src, len))) |
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#define bzero(dest, len) ((void) \ |
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((__ssp_bos0 (dest) != (size_t) -1) \ |
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? __builtin___memset_chk (dest, '\0', len, __ssp_bos0 (dest)) \ |
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: __memset_ichk (dest, '\0', len))) |
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|
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|
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#define strcpy(dest, src) \ |
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((__ssp_bos (dest) != (size_t) -1) \ |
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? __builtin___strcpy_chk (dest, src, __ssp_bos (dest)) \ |
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: __strcpy_ichk (dest, src)) |
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static inline __attribute__((__always_inline__)) char * |
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__strcpy_ichk (char *__restrict__ __dest, const char *__restrict__ __src) |
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{ |
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return __builtin___strcpy_chk (__dest, __src, __ssp_bos (__dest)); |
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} |
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|
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|
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#define stpcpy(dest, src) \ |
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((__ssp_bos (dest) != (size_t) -1) \ |
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? __builtin___stpcpy_chk (dest, src, __ssp_bos (dest)) \ |
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: __stpcpy_ichk (dest, src)) |
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static inline __attribute__((__always_inline__)) char * |
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__stpcpy_ichk (char *__restrict__ __dest, const char *__restrict__ __src) |
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{ |
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return __builtin___stpcpy_chk (__dest, __src, __ssp_bos (__dest)); |
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} |
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|
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|
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#define strncpy(dest, src, len) \ |
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((__ssp_bos (dest) != (size_t) -1) \ |
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? __builtin___strncpy_chk (dest, src, len, __ssp_bos (dest)) \ |
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: __strncpy_ichk (dest, src, len)) |
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static inline __attribute__((__always_inline__)) char * |
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__strncpy_ichk (char *__restrict__ __dest, const char *__restrict__ __src, |
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size_t __len) |
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{ |
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return __builtin___strncpy_chk (__dest, __src, __len, __ssp_bos (__dest)); |
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} |
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|
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|
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#define strcat(dest, src) \ |
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((__ssp_bos (dest) != (size_t) -1) \ |
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? __builtin___strcat_chk (dest, src, __ssp_bos (dest)) \ |
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: __strcat_ichk (dest, src)) |
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static inline __attribute__((__always_inline__)) char * |
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__strcat_ichk (char *__restrict__ __dest, const char *__restrict__ __src) |
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{ |
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return __builtin___strcat_chk (__dest, __src, __ssp_bos (__dest)); |
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} |
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|
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|
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#define strncat(dest, src, len) \ |
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((__ssp_bos (dest) != (size_t) -1) \ |
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? __builtin___strncat_chk (dest, src, len, __ssp_bos (dest)) \ |
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: __strncat_ichk (dest, src, len)) |
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static inline __attribute__((__always_inline__)) char * |
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__strncat_ichk (char *__restrict__ __dest, const char *__restrict__ __src, |
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size_t __len) |
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{ |
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return __builtin___strncat_chk (__dest, __src, __len, __ssp_bos (__dest)); |
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} |
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|
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#endif /* __SSP_FORTIFY_LEVEL > 0 */ |
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#endif /* _SSP_STRING_H */ |