1e74101e4STim J. Robbins /*-
2*4d846d26SWarner Losh * SPDX-License-Identifier: BSD-2-Clause
3d915a14eSPedro F. Giffuni *
4e74101e4STim J. Robbins * Copyright (c) 2002 Tim J. Robbins.
5e74101e4STim J. Robbins * All rights reserved.
6e74101e4STim J. Robbins *
7e74101e4STim J. Robbins * Redistribution and use in source and binary forms, with or without
8e74101e4STim J. Robbins * modification, are permitted provided that the following conditions
9e74101e4STim J. Robbins * are met:
10e74101e4STim J. Robbins * 1. Redistributions of source code must retain the above copyright
11e74101e4STim J. Robbins * notice, this list of conditions and the following disclaimer.
12e74101e4STim J. Robbins * 2. Redistributions in binary form must reproduce the above copyright
13e74101e4STim J. Robbins * notice, this list of conditions and the following disclaimer in the
14e74101e4STim J. Robbins * documentation and/or other materials provided with the distribution.
15e74101e4STim J. Robbins *
16e74101e4STim J. Robbins * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17e74101e4STim J. Robbins * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18e74101e4STim J. Robbins * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19e74101e4STim J. Robbins * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20e74101e4STim J. Robbins * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21e74101e4STim J. Robbins * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22e74101e4STim J. Robbins * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23e74101e4STim J. Robbins * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24e74101e4STim J. Robbins * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25e74101e4STim J. Robbins * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26e74101e4STim J. Robbins * SUCH DAMAGE.
27e74101e4STim J. Robbins */
28e74101e4STim J. Robbins
29e74101e4STim J. Robbins #include "namespace.h"
30e74101e4STim J. Robbins #include <errno.h>
31e74101e4STim J. Robbins #include <stdio.h>
32e74101e4STim J. Robbins #include <wchar.h>
33e74101e4STim J. Robbins #include "un-namespace.h"
34e74101e4STim J. Robbins #include "libc_private.h"
35e74101e4STim J. Robbins #include "local.h"
36e74101e4STim J. Robbins
37e74101e4STim J. Robbins int
fwide(FILE * fp,int mode)38e74101e4STim J. Robbins fwide(FILE *fp, int mode)
39e74101e4STim J. Robbins {
40e74101e4STim J. Robbins int m;
41e74101e4STim J. Robbins
42e74101e4STim J. Robbins FLOCKFILE(fp);
43e74101e4STim J. Robbins /* Only change the orientation if the stream is not oriented yet. */
441e98f887SJohn Baldwin if (mode != 0 && fp->_orientation == 0)
451e98f887SJohn Baldwin fp->_orientation = mode > 0 ? 1 : -1;
461e98f887SJohn Baldwin m = fp->_orientation;
47e74101e4STim J. Robbins FUNLOCKFILE(fp);
48e74101e4STim J. Robbins
49e74101e4STim J. Robbins return (m);
50e74101e4STim J. Robbins }
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