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author | Jing Yu <jingyu@google.com> | 2009-11-05 15:11:04 -0800 |
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committer | Jing Yu <jingyu@google.com> | 2009-11-05 15:11:04 -0800 |
commit | df62c1c110e8532b995b23540b7e3695729c0779 (patch) | |
tree | dbbd4cbdb50ac38011e058a2533ee4c3168b0205 /gcc-4.2.1/libssp/strcpy-chk.c | |
parent | 8d401cf711539af5a2f78d12447341d774892618 (diff) | |
download | toolchain_gcc-df62c1c110e8532b995b23540b7e3695729c0779.tar.gz toolchain_gcc-df62c1c110e8532b995b23540b7e3695729c0779.tar.bz2 toolchain_gcc-df62c1c110e8532b995b23540b7e3695729c0779.zip |
Check in gcc sources for prebuilt toolchains in Eclair.
Diffstat (limited to 'gcc-4.2.1/libssp/strcpy-chk.c')
-rw-r--r-- | gcc-4.2.1/libssp/strcpy-chk.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/gcc-4.2.1/libssp/strcpy-chk.c b/gcc-4.2.1/libssp/strcpy-chk.c new file mode 100644 index 000000000..47584f4a0 --- /dev/null +++ b/gcc-4.2.1/libssp/strcpy-chk.c @@ -0,0 +1,52 @@ +/* Checking strcpy. + Copyright (C) 2005 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 2, 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. + +You should have received a copy of the GNU General Public License +along with GCC; see the file COPYING. If not, write to the Free +Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301, USA. */ + +/* As a special exception, if you link this library with files compiled with + GCC to produce an executable, this does not cause the resulting executable + to be covered by the GNU General Public License. This exception does not + however invalidate any other reasons why the executable file might be + covered by the GNU General Public License. */ + +#include "config.h" +#include <ssp/ssp.h> +#ifdef HAVE_STRING_H +# include <string.h> +#endif + +extern void __chk_fail (void) __attribute__((__noreturn__)); + +char * +__strcpy_chk (char *__restrict__ dest, const char *__restrict__ src, + size_t slen) +{ + size_t len = strlen (src); + if (len >= slen) + __chk_fail (); + return memcpy (dest, src, len + 1); +} |