stdio-common/isoc99_vscanf.c

   1 /* Copyright (C) 1991, 1997, 2006, 2007 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   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.
   8
   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.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #include <libioP.h>
  20 #include <stdio.h>
  21
  22 /* Read formatted input from STDIN according to the format string FORMAT.  */
  23 /* VARARGS2 */
  24 int
  25 __isoc99_vscanf (const char *format, _IO_va_list args)
  26 {
  27   int done;
  28
  29   _IO_acquire_lock_clear_flags2 (stdin);
  30   stdin->_flags2 |= _IO_FLAGS2_SCANF_STD;
  31   done = INTUSE(_IO_vfscanf) (stdin, format, args, NULL);
  32   _IO_release_lock (stdin);
  33   return done;
  34 }