/* Copyright (C) 1999, 2000 Free Software Foundation, Inc. This file is part of the GNU IO Library. This library is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. This 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this library; see the file COPYING. If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. As a special exception, if you link this library with files compiled with a GNU compiler to produce an executable, this does not cause the resulting executable to be covered by the GNU General Public License. This exception does not however invalidate any other reasons why the executable file might be covered by the GNU General Public License. */ #include <libioP.h> #include <stdio.h> #include <wchar.h> int fwide (fp, mode) _IO_FILE *fp; int mode; { int result; /* Normalize the value. */ mode = mode < 0 ? -1 : (mode == 0 ? 0 : 1); if (mode == 0 || fp->_mode != 0) /* The caller simply wants to know about the current orientation or the orientation already has been determined. */ return fp->_mode; _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp); _IO_flockfile (fp); result = _IO_fwide (fp, mode); _IO_funlockfile (fp); _IO_cleanup_region_end (0); return result; }