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[glibc/history.git] / debug / confstr_chk.c
blobdae7714fcf2ec76b9e08a76e0d66a06aef4a2364
1 /* Copyright (C) 2005 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@readhat.com>, 20055.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18 02111-1307 USA. */
20 #include <unistd.h>
23 size_t
24 __confstr_chk (int name, char *buf, size_t len, size_t buflen)
26 if (__builtin_expect (buflen < len, 0))
27 __chk_fail ();
29 return confstr (name, buf, len);