Mark ChangeLog
[official-gcc.git] / libssp / memset-chk.c
blob6b5f511dfad2b64ce978e05520e769f15e2fe05e
1 /* Checking memset.
2 Copyright (C) 2005 Free Software Foundation, Inc.
4 This file is part of GCC.
6 GCC is free software; you can redistribute it and/or modify it under
7 the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 2, or (at your option) any later
9 version.
11 In addition to the permissions in the GNU General Public License, the
12 Free Software Foundation gives you unlimited permission to link the
13 compiled version of this file into combinations with other programs,
14 and to distribute those combinations without any restriction coming
15 from the use of this file. (The General Public License restrictions
16 do apply in other respects; for example, they cover modification of
17 the file, and distribution when not linked into a combine
18 executable.)
20 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
21 WARRANTY; without even the implied warranty of MERCHANTABILITY or
22 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
23 for more details.
25 You should have received a copy of the GNU General Public License
26 along with GCC; see the file COPYING. If not, write to the Free
27 Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
28 02110-1301, USA. */
30 /* As a special exception, if you link this library with files compiled with
31 GCC to produce an executable, this does not cause the resulting executable
32 to be covered by the GNU General Public License. This exception does not
33 however invalidate any other reasons why the executable file might be
34 covered by the GNU General Public License. */
36 #include "config.h"
37 #include <ssp/ssp.h>
38 #ifdef HAVE_STRING_H
39 # include <string.h>
40 #endif
42 extern void __chk_fail (void) __attribute__((__noreturn__));
44 void *
45 __memset_chk (void *dest, int val, size_t len, size_t slen)
47 if (len > slen)
48 __chk_fail ();
49 return memset (dest, val, len);