1: /* Copyright (C) 2000, 2002 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 <stdio_ext.h>
   20: #include "libioP.h"
   21: 
   22: void
   23: __fpurge (FILE *fp)
   24: {
   25:   if (fp->_mode > 0)
   26:     {
   27:       /* Wide-char stream.  */
   28:       if (_IO_in_backup (fp))
   29:         INTUSE(_IO_free_wbackup_area) (fp);
   30: 
   31:       fp->_wide_data->_IO_read_end = fp->_wide_data->_IO_read_ptr;
   32:       fp->_wide_data->_IO_write_ptr = fp->_wide_data->_IO_write_base;
   33:     }
   34:   else
   35:     {
   36:       /* Byte stream.  */
   37:       if (_IO_in_backup (fp))
   38:         INTUSE(_IO_free_backup_area) (fp);
   39: 
   40:       fp->_IO_read_end = fp->_IO_read_ptr;
   41:       fp->_IO_write_ptr = fp->_IO_write_base;
   42:     }
   43: }