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- /* Copyright (C) 1991-2019 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>
- /* Write formatted output into S, according to the format
- string FORMAT, writing no more than MAXLEN characters. */
- int
- ___vsnprintf_chk (char *s, size_t maxlen, int flag, size_t slen,
- const char *format, va_list ap)
- {
- if (__glibc_unlikely (slen < maxlen))
- __chk_fail ();
- /* 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 __vsnprintf_internal (s, maxlen, format, ap, mode);
- }
- ldbl_strong_alias (___vsnprintf_chk, __vsnprintf_chk)
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