1*5af32e75SAxel Dörfler /* Copyright (C) 1999, 2000 Free Software Foundation, Inc.
2*5af32e75SAxel Dörfler This file is part of the GNU C Library.
3*5af32e75SAxel Dörfler
4*5af32e75SAxel Dörfler The GNU C Library is free software; you can redistribute it and/or
5*5af32e75SAxel Dörfler modify it under the terms of the GNU Lesser General Public
6*5af32e75SAxel Dörfler License as published by the Free Software Foundation; either
7*5af32e75SAxel Dörfler version 2.1 of the License, or (at your option) any later version.
8*5af32e75SAxel Dörfler
9*5af32e75SAxel Dörfler The GNU C Library is distributed in the hope that it will be useful,
10*5af32e75SAxel Dörfler but WITHOUT ANY WARRANTY; without even the implied warranty of
11*5af32e75SAxel Dörfler MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12*5af32e75SAxel Dörfler Lesser General Public License for more details.
13*5af32e75SAxel Dörfler
14*5af32e75SAxel Dörfler You should have received a copy of the GNU Lesser General Public
15*5af32e75SAxel Dörfler License along with the GNU C Library; if not, write to the Free
16*5af32e75SAxel Dörfler Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17*5af32e75SAxel Dörfler 02111-1307 USA.
18*5af32e75SAxel Dörfler
19*5af32e75SAxel Dörfler As a special exception, if you link the code in this file with
20*5af32e75SAxel Dörfler files compiled with a GNU compiler to produce an executable,
21*5af32e75SAxel Dörfler that does not cause the resulting executable to be covered by
22*5af32e75SAxel Dörfler the GNU Lesser General Public License. This exception does not
23*5af32e75SAxel Dörfler however invalidate any other reasons why the executable file
24*5af32e75SAxel Dörfler might be covered by the GNU Lesser General Public License.
25*5af32e75SAxel Dörfler This exception applies to code released by its copyright holders
26*5af32e75SAxel Dörfler in files containing the exception.
27*5af32e75SAxel Dörfler */
28*5af32e75SAxel Dörfler
29*5af32e75SAxel Dörfler
30*5af32e75SAxel Dörfler #include <libioP.h>
31*5af32e75SAxel Dörfler #include <stdio.h>
32*5af32e75SAxel Dörfler #include <wchar.h>
33*5af32e75SAxel Dörfler
34*5af32e75SAxel Dörfler
35*5af32e75SAxel Dörfler int
fwide(_IO_FILE * fp,int mode)36*5af32e75SAxel Dörfler fwide(_IO_FILE *fp, int mode)
37*5af32e75SAxel Dörfler {
38*5af32e75SAxel Dörfler int result;
39*5af32e75SAxel Dörfler
40*5af32e75SAxel Dörfler /* Normalize the value. */
41*5af32e75SAxel Dörfler mode = mode < 0 ? -1 : (mode == 0 ? 0 : 1);
42*5af32e75SAxel Dörfler
43*5af32e75SAxel Dörfler if (mode == 0 || fp->_mode != 0) {
44*5af32e75SAxel Dörfler // The caller simply wants to know about the current orientation
45*5af32e75SAxel Dörfler // or the orientation already has been determined.
46*5af32e75SAxel Dörfler return fp->_mode;
47*5af32e75SAxel Dörfler }
48*5af32e75SAxel Dörfler
49*5af32e75SAxel Dörfler _IO_cleanup_region_start((void (*) __P ((void *)))_IO_funlockfile, fp);
50*5af32e75SAxel Dörfler _IO_flockfile(fp);
51*5af32e75SAxel Dörfler
52*5af32e75SAxel Dörfler result = _IO_fwide(fp, mode);
53*5af32e75SAxel Dörfler
54*5af32e75SAxel Dörfler _IO_funlockfile(fp);
55*5af32e75SAxel Dörfler _IO_cleanup_region_end(0);
56*5af32e75SAxel Dörfler
57*5af32e75SAxel Dörfler return result;
58*5af32e75SAxel Dörfler }
59