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- /* Copyright (C) 1994-2019 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- 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
- ___vsprintf_chk (char *s, int flag, size_t slen, 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;
- /* Regardless of the value of flag, let __vsprintf_internal know that
- this is a call from *printf_chk. */
- mode |= PRINTF_CHK;
- if (slen == 0)
- __chk_fail ();
- return __vsprintf_internal (s, slen, format, ap, mode);
- }
- ldbl_hidden_def (___vsprintf_chk, __vsprintf_chk)
- ldbl_strong_alias (___vsprintf_chk, __vsprintf_chk)
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