diff options
Diffstat (limited to 'gcc-4.6/libssp/strncat-chk.c')
-rw-r--r-- | gcc-4.6/libssp/strncat-chk.c | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/gcc-4.6/libssp/strncat-chk.c b/gcc-4.6/libssp/strncat-chk.c deleted file mode 100644 index d8056e843..000000000 --- a/gcc-4.6/libssp/strncat-chk.c +++ /dev/null @@ -1,119 +0,0 @@ -/* Checking strncat. - Copyright (C) 1991, 1997, 2003, 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/>. */ - - -#include "config.h" -#include <ssp/ssp.h> -#ifdef HAVE_STRING_H -# include <string.h> -#endif - -extern void __chk_fail (void) __attribute__((__noreturn__)); - -char * -__strncat_chk (char *__restrict__ dest, const char *__restrict__ src, - size_t n, size_t slen) -{ - char c; - char *s = dest; - - do - { - if (slen-- == 0) - __chk_fail (); - c = *dest++; - } - while (c != '\0'); - - ++slen; - dest -= 2; - - if (n >= 4) - { - size_t n4 = n >> 2; - do - { - if (slen-- == 0) - __chk_fail (); - c = *src++; - *++dest = c; - if (c == '\0') - return s; - if (slen-- == 0) - __chk_fail (); - c = *src++; - *++dest = c; - if (c == '\0') - return s; - if (slen-- == 0) - __chk_fail (); - c = *src++; - *++dest = c; - if (c == '\0') - return s; - if (slen-- == 0) - __chk_fail (); - c = *src++; - *++dest = c; - if (c == '\0') - return s; - if (slen-- == 0) - __chk_fail (); - c = *src++; - *++dest = c; - if (c == '\0') - return s; - } while (--n4 > 0); - n &= 3; - } - - while (n > 0) - { - if (slen-- == 0) - __chk_fail (); - c = *src++; - *++dest = c; - if (c == '\0') - return s; - n--; - } - - if (c != '\0') - { - if (slen-- == 0) - __chk_fail (); - *++dest = '\0'; - } - - return s; -} |