/* Copyright (C) 2000-2015 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 <stdio_ext.h> #include "libioP.h" void __fpurge (FILE *fp) { if (fp->_mode > 0) { /* Wide-char stream. */ if (_IO_in_backup (fp)) _IO_free_wbackup_area (fp); fp->_wide_data->_IO_read_end = fp->_wide_data->_IO_read_ptr; fp->_wide_data->_IO_write_ptr = fp->_wide_data->_IO_write_base; } else { /* Byte stream. */ if (_IO_in_backup (fp)) _IO_free_backup_area (fp); fp->_IO_read_end = fp->_IO_read_ptr; fp->_IO_write_ptr = fp->_IO_write_base; } }