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-rw-r--r--debug/vobprintf_chk.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/debug/vobprintf_chk.c b/debug/vobprintf_chk.c
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index 00000000000..edfbe8f00af
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+++ b/debug/vobprintf_chk.c
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+/* Print output of stream to given obstack.
+ Copyright (C) 1996-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
+
+ 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, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <libio/libioP.h>
+
+
+int
+__obstack_vprintf_chk (struct obstack *obstack, int flag, const char *format,
+ va_list ap)
+{
+ /* For flag > 0 (i.e. __USE_FORTIFY_LEVEL > 1) request that %n
+ can only come from read-only format strings. */
+ unsigned int mode = (flag > 0) ? PRINTF_FORTIFY : 0;
+
+ return __obstack_vprintf_internal (obstack, format, ap, mode);
+}