14297a3b0SGarrett D'Amore /*
2*6b5e5868SGarrett D'Amore * Copyright 2010 Nexenta Systems, Inc. All rights reserved.
34297a3b0SGarrett D'Amore * Copyright (c) 2002 Tim J. Robbins.
44297a3b0SGarrett D'Amore * All rights reserved.
54297a3b0SGarrett D'Amore *
64297a3b0SGarrett D'Amore * Redistribution and use in source and binary forms, with or without
74297a3b0SGarrett D'Amore * modification, are permitted provided that the following conditions
84297a3b0SGarrett D'Amore * are met:
94297a3b0SGarrett D'Amore * 1. Redistributions of source code must retain the above copyright
104297a3b0SGarrett D'Amore * notice, this list of conditions and the following disclaimer.
114297a3b0SGarrett D'Amore * 2. Redistributions in binary form must reproduce the above copyright
124297a3b0SGarrett D'Amore * notice, this list of conditions and the following disclaimer in the
134297a3b0SGarrett D'Amore * documentation and/or other materials provided with the distribution.
144297a3b0SGarrett D'Amore *
154297a3b0SGarrett D'Amore * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
164297a3b0SGarrett D'Amore * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
174297a3b0SGarrett D'Amore * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
184297a3b0SGarrett D'Amore * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
194297a3b0SGarrett D'Amore * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
204297a3b0SGarrett D'Amore * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
214297a3b0SGarrett D'Amore * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
224297a3b0SGarrett D'Amore * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
234297a3b0SGarrett D'Amore * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
244297a3b0SGarrett D'Amore * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
254297a3b0SGarrett D'Amore * SUCH DAMAGE.
264297a3b0SGarrett D'Amore */
274297a3b0SGarrett D'Amore
284297a3b0SGarrett D'Amore #include "lint.h"
294297a3b0SGarrett D'Amore #include "mse_int.h"
304297a3b0SGarrett D'Amore #include "file64.h"
314297a3b0SGarrett D'Amore #include "mse.h"
324297a3b0SGarrett D'Amore #include <errno.h>
334297a3b0SGarrett D'Amore #include <stdio.h>
344297a3b0SGarrett D'Amore #include <wchar.h>
354297a3b0SGarrett D'Amore #include "mblocal.h"
364297a3b0SGarrett D'Amore
374297a3b0SGarrett D'Amore int
fwide(FILE * fp,int mode)384297a3b0SGarrett D'Amore fwide(FILE *fp, int mode)
394297a3b0SGarrett D'Amore {
404297a3b0SGarrett D'Amore int m;
414297a3b0SGarrett D'Amore rmutex_t *lk;
424297a3b0SGarrett D'Amore
434297a3b0SGarrett D'Amore FLOCKFILE(lk, fp);
444297a3b0SGarrett D'Amore /* Only change the orientation if the stream is not oriented yet. */
454297a3b0SGarrett D'Amore m = _getorientation(fp);
464297a3b0SGarrett D'Amore if (mode != 0 && m == _NO_MODE)
474297a3b0SGarrett D'Amore _setorientation(fp, (mode > 0) ? _WC_MODE : _BYTE_MODE);
484297a3b0SGarrett D'Amore FUNLOCKFILE(lk);
494297a3b0SGarrett D'Amore
504297a3b0SGarrett D'Amore switch (m) {
514297a3b0SGarrett D'Amore case _WC_MODE:
524297a3b0SGarrett D'Amore mode = 1;
534297a3b0SGarrett D'Amore break;
544297a3b0SGarrett D'Amore case _NO_MODE:
554297a3b0SGarrett D'Amore mode = 0;
564297a3b0SGarrett D'Amore break;
574297a3b0SGarrett D'Amore case _BYTE_MODE:
584297a3b0SGarrett D'Amore mode = -1;
594297a3b0SGarrett D'Amore break;
604297a3b0SGarrett D'Amore }
614297a3b0SGarrett D'Amore
624297a3b0SGarrett D'Amore return (mode);
634297a3b0SGarrett D'Amore }
64