diff options
Diffstat (limited to 'gcc-4.7/libssp/gets-chk.c')
-rw-r--r-- | gcc-4.7/libssp/gets-chk.c | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/gcc-4.7/libssp/gets-chk.c b/gcc-4.7/libssp/gets-chk.c deleted file mode 100644 index 053c44626..000000000 --- a/gcc-4.7/libssp/gets-chk.c +++ /dev/null @@ -1,87 +0,0 @@ -/* Checking gets. - Copyright (C) 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> -#include <stdarg.h> -#ifdef HAVE_STDLIB_H -# include <stdlib.h> -#endif -#ifdef HAVE_ALLOCA_H -# include <alloca.h> -#endif -#ifdef HAVE_LIMITS_H -# include <limits.h> -#endif -#ifdef HAVE_STDIO_H -# include <stdio.h> -#endif -#ifdef HAVE_STRING_H -# include <string.h> -#endif - -extern void __chk_fail (void) __attribute__((__noreturn__)); - -char * -__gets_chk (char *s, size_t slen) -{ - char *ret, *buf; - - if (slen >= (size_t) INT_MAX) - return gets (s); - - if (slen <= 8192) - buf = alloca (slen + 1); - else - buf = malloc (slen + 1); - if (buf == NULL) - return gets (s); - - ret = fgets (buf, (int) (slen + 1), stdin); - if (ret != NULL) - { - size_t len = strlen (buf); - if (len > 0 && buf[len - 1] == '\n') - --len; - if (len == slen) - __chk_fail (); - memcpy (s, buf, len); - s[len] = '\0'; - ret = s; - } - - if (slen > 8192) - free (buf); - return ret; -} |