glibc/debug/obprintf_chk.c
Joseph Myers 04277e02d7 Update copyright dates with scripts/update-copyrights.
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2019-01-01 00:11:28 +00:00

40 lines
1.3 KiB
C

/* Print output of stream to given obstack.
Copyright (C) 1996-2019 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>
#include <stdarg.h>
int
__obstack_printf_chk (struct obstack *obstack, int flag, const char *format,
...)
{
/* 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;
va_list ap;
int ret;
va_start (ap, format);
ret = __obstack_vprintf_internal (obstack, format, ap, mode);
va_end (ap);
return ret;
}