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-rw-r--r--debug/confstr_chk.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/debug/confstr_chk.c b/debug/confstr_chk.c
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+++ b/debug/confstr_chk.c
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+/* Copyright (C) 2005 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@readhat.com>, 20055.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <unistd.h>
+
+
+size_t
+__confstr_chk (int name, char *buf, size_t len, size_t buflen)
+{
+ if (__builtin_expect (buflen < len, 0))
+ __chk_fail ();
+
+ return confstr (name, buf, len);
+}