Diffstat (limited to 'debug/vobprintf_chk.c')
1 files changed, 32 insertions, 0 deletions
diff --git a/debug/vobprintf_chk.c b/debug/vobprintf_chk.c
new file mode 100644
@@ -0,0 +1,32 @@
+/* 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 <firstname.lastname@example.org>, 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/>. */
+__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);