1*f14fb602SLionel Sambuc /* $NetBSD: fgetpos.c,v 1.12 2012/01/22 18:36:17 christos Exp $ */
2b7061124SArun Thomas
32fe8fb19SBen Gras /*-
42fe8fb19SBen Gras * Copyright (c) 1990, 1993
52fe8fb19SBen Gras * The Regents of the University of California. All rights reserved.
62fe8fb19SBen Gras *
72fe8fb19SBen Gras * This code is derived from software contributed to Berkeley by
82fe8fb19SBen Gras * Chris Torek.
92fe8fb19SBen Gras *
102fe8fb19SBen Gras * Redistribution and use in source and binary forms, with or without
112fe8fb19SBen Gras * modification, are permitted provided that the following conditions
122fe8fb19SBen Gras * are met:
132fe8fb19SBen Gras * 1. Redistributions of source code must retain the above copyright
142fe8fb19SBen Gras * notice, this list of conditions and the following disclaimer.
152fe8fb19SBen Gras * 2. Redistributions in binary form must reproduce the above copyright
162fe8fb19SBen Gras * notice, this list of conditions and the following disclaimer in the
172fe8fb19SBen Gras * documentation and/or other materials provided with the distribution.
182fe8fb19SBen Gras * 3. Neither the name of the University nor the names of its contributors
192fe8fb19SBen Gras * may be used to endorse or promote products derived from this software
202fe8fb19SBen Gras * without specific prior written permission.
212fe8fb19SBen Gras *
222fe8fb19SBen Gras * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
232fe8fb19SBen Gras * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
242fe8fb19SBen Gras * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
252fe8fb19SBen Gras * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
262fe8fb19SBen Gras * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
272fe8fb19SBen Gras * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
282fe8fb19SBen Gras * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
292fe8fb19SBen Gras * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
302fe8fb19SBen Gras * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
312fe8fb19SBen Gras * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
322fe8fb19SBen Gras * SUCH DAMAGE.
332fe8fb19SBen Gras */
342fe8fb19SBen Gras
352fe8fb19SBen Gras #include <sys/cdefs.h>
362fe8fb19SBen Gras #if defined(LIBC_SCCS) && !defined(lint)
372fe8fb19SBen Gras #if 0
382fe8fb19SBen Gras static char sccsid[] = "@(#)fgetpos.c 8.1 (Berkeley) 6/4/93";
392fe8fb19SBen Gras #else
40*f14fb602SLionel Sambuc __RCSID("$NetBSD: fgetpos.c,v 1.12 2012/01/22 18:36:17 christos Exp $");
412fe8fb19SBen Gras #endif
422fe8fb19SBen Gras #endif /* LIBC_SCCS and not lint */
432fe8fb19SBen Gras
442fe8fb19SBen Gras #include "namespace.h"
452fe8fb19SBen Gras #include <assert.h>
462fe8fb19SBen Gras #include <errno.h>
47b7061124SArun Thomas #include <stdio.h>
48*f14fb602SLionel Sambuc #include "reentrant.h"
49*f14fb602SLionel Sambuc #include "local.h"
50b7061124SArun Thomas
51b7061124SArun Thomas int
fgetpos(FILE * __restrict fp,fpos_t * __restrict pos)52*f14fb602SLionel Sambuc fgetpos(FILE * __restrict fp, fpos_t * __restrict pos)
53b7061124SArun Thomas {
54*f14fb602SLionel Sambuc struct wchar_io_data *wcio;
55*f14fb602SLionel Sambuc
562fe8fb19SBen Gras _DIAGASSERT(fp != NULL);
572fe8fb19SBen Gras _DIAGASSERT(pos != NULL);
582fe8fb19SBen Gras
59*f14fb602SLionel Sambuc wcio = WCIO_GET(fp);
60*f14fb602SLionel Sambuc if (wcio != NULL && wcio->wcio_mode > 0) {
61*f14fb602SLionel Sambuc if (fp->_write)
62*f14fb602SLionel Sambuc pos->_mbstate_in = wcio->wcio_mbstate_in;
63*f14fb602SLionel Sambuc if (fp->_read)
64*f14fb602SLionel Sambuc pos->_mbstate_out = wcio->wcio_mbstate_out;
65*f14fb602SLionel Sambuc }
66*f14fb602SLionel Sambuc return (pos->_pos = ftello(fp)) == (off_t)-1;
67b7061124SArun Thomas }
68