posix: Add invalid flags test for p{write,read}v2
[glibc.git] / wcsmbs / isoc99_wscanf.c
blob7eb6a19082cd45511c33ab6e45cd09a78363653b
1 /* Copyright (C) 1991-2017 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <http://www.gnu.org/licenses/>. */
18 #include <stdarg.h>
19 #include <stdio.h>
20 #include <libioP.h>
21 #include <wchar.h>
24 /* Read formatted input from stdin according to the format string FORMAT. */
25 /* VARARGS1 */
26 int
27 __isoc99_wscanf (const wchar_t *format, ...)
29 va_list arg;
30 int done;
32 _IO_acquire_lock_clear_flags2 (stdin);
33 stdin->_flags2 |= _IO_FLAGS2_SCANF_STD;
35 va_start (arg, format);
36 done = _IO_vfwscanf (stdin, format, arg, NULL);
37 va_end (arg);
39 _IO_release_lock (stdin);
40 return done;