53 lines
1.8 KiB
C
53 lines
1.8 KiB
C
/* Copyright (C) 1999, 2000, 2003 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, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA.
|
|
|
|
As a special exception, if you link the code in this file with
|
|
files compiled with a GNU compiler to produce an executable,
|
|
that does not cause the resulting executable to be covered by
|
|
the GNU Lesser General Public License. This exception does not
|
|
however invalidate any other reasons why the executable file
|
|
might be covered by the GNU Lesser General Public License.
|
|
This exception applies to code released by its copyright holders
|
|
in files containing the exception. */
|
|
|
|
#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_acquire_lock (fp);
|
|
result = _IO_fwide (fp, mode);
|
|
_IO_release_lock (fp);
|
|
|
|
return result;
|
|
}
|