162f08720SJoerg Sonnenberger /*-
262f08720SJoerg Sonnenberger * Copyright (c) 1990, 1993
362f08720SJoerg Sonnenberger * The Regents of the University of California. All rights reserved.
462f08720SJoerg Sonnenberger *
562f08720SJoerg Sonnenberger * This code is derived from software contributed to Berkeley by
662f08720SJoerg Sonnenberger * Donn Seeley at UUNET Technologies, Inc.
762f08720SJoerg Sonnenberger *
80d5acd74SJohn Marino * Copyright (c) 2011 The FreeBSD Foundation
90d5acd74SJohn Marino * All rights reserved.
100d5acd74SJohn Marino * Portions of this software were developed by David Chisnall
110d5acd74SJohn Marino * under sponsorship from the FreeBSD Foundation.
120d5acd74SJohn Marino *
1362f08720SJoerg Sonnenberger * Redistribution and use in source and binary forms, with or without
1462f08720SJoerg Sonnenberger * modification, are permitted provided that the following conditions
1562f08720SJoerg Sonnenberger * are met:
1662f08720SJoerg Sonnenberger * 1. Redistributions of source code must retain the above copyright
1762f08720SJoerg Sonnenberger * notice, this list of conditions and the following disclaimer.
1862f08720SJoerg Sonnenberger * 2. Redistributions in binary form must reproduce the above copyright
1962f08720SJoerg Sonnenberger * notice, this list of conditions and the following disclaimer in the
2062f08720SJoerg Sonnenberger * documentation and/or other materials provided with the distribution.
21dc71b7abSJustin C. Sherrill * 3. Neither the name of the University nor the names of its contributors
2262f08720SJoerg Sonnenberger * may be used to endorse or promote products derived from this software
2362f08720SJoerg Sonnenberger * without specific prior written permission.
2462f08720SJoerg Sonnenberger *
2562f08720SJoerg Sonnenberger * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
2662f08720SJoerg Sonnenberger * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
2762f08720SJoerg Sonnenberger * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2862f08720SJoerg Sonnenberger * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
2962f08720SJoerg Sonnenberger * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
3062f08720SJoerg Sonnenberger * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
3162f08720SJoerg Sonnenberger * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
3262f08720SJoerg Sonnenberger * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
3362f08720SJoerg Sonnenberger * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
3462f08720SJoerg Sonnenberger * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
3562f08720SJoerg Sonnenberger * SUCH DAMAGE.
36e0f95098SPeter Avalos *
37e0f95098SPeter Avalos * @(#)vsscanf.c 8.1 (Berkeley) 6/4/93
380d5acd74SJohn Marino * $FreeBSD: head/lib/libc/stdio/vswscanf.c 249808 2013-04-23 13:33:13Z emaste $
3962f08720SJoerg Sonnenberger */
4062f08720SJoerg Sonnenberger
4162f08720SJoerg Sonnenberger #include <limits.h>
42*2096fe9aSzrj #include <pthread.h> /* for FAKE_FILE PTHREAD_MUTEX_INITIALIZER */
4362f08720SJoerg Sonnenberger #include <stdarg.h>
4462f08720SJoerg Sonnenberger #include <stdio.h>
4562f08720SJoerg Sonnenberger #include <stdlib.h>
4662f08720SJoerg Sonnenberger #include <string.h>
4762f08720SJoerg Sonnenberger #include <wchar.h>
4862f08720SJoerg Sonnenberger #include "local.h"
490d5acd74SJohn Marino #include "xlocale_private.h"
5062f08720SJoerg Sonnenberger
5162f08720SJoerg Sonnenberger static int eofread(void *, char *, int);
5262f08720SJoerg Sonnenberger
5362f08720SJoerg Sonnenberger static int
eofread(void * cookie __unused,char * buf __unused,int len __unused)5454a0004dSSascha Wildner eofread(void *cookie __unused, char *buf __unused, int len __unused)
5562f08720SJoerg Sonnenberger {
5662f08720SJoerg Sonnenberger
5762f08720SJoerg Sonnenberger return (0);
5862f08720SJoerg Sonnenberger }
5962f08720SJoerg Sonnenberger
6062f08720SJoerg Sonnenberger int
vswscanf_l(const wchar_t * __restrict str,locale_t locale,const wchar_t * __restrict fmt,va_list ap)610d5acd74SJohn Marino vswscanf_l(const wchar_t * __restrict str, locale_t locale,
620d5acd74SJohn Marino const wchar_t * __restrict fmt, va_list ap)
6362f08720SJoerg Sonnenberger {
6462f08720SJoerg Sonnenberger static const mbstate_t initial;
6562f08720SJoerg Sonnenberger mbstate_t mbs;
660d5acd74SJohn Marino FILE f = FAKE_FILE;
6762f08720SJoerg Sonnenberger char *mbstr;
6862f08720SJoerg Sonnenberger size_t mlen;
6962f08720SJoerg Sonnenberger int r;
70e0f95098SPeter Avalos const wchar_t *strp;
710d5acd74SJohn Marino FIX_LOCALE(locale);
7262f08720SJoerg Sonnenberger
7362f08720SJoerg Sonnenberger /*
7462f08720SJoerg Sonnenberger * XXX Convert the wide character string to multibyte, which
7562f08720SJoerg Sonnenberger * __vfwscanf() will convert back to wide characters.
7662f08720SJoerg Sonnenberger */
7762f08720SJoerg Sonnenberger if ((mbstr = malloc(wcslen(str) * MB_CUR_MAX + 1)) == NULL)
7862f08720SJoerg Sonnenberger return (EOF);
7962f08720SJoerg Sonnenberger mbs = initial;
80e0f95098SPeter Avalos strp = str;
810d5acd74SJohn Marino if ((mlen = wcsrtombs_l(mbstr, &strp, SIZE_T_MAX, &mbs, locale)) == (size_t)-1) {
8262f08720SJoerg Sonnenberger free(mbstr);
8362f08720SJoerg Sonnenberger return (EOF);
8462f08720SJoerg Sonnenberger }
8562f08720SJoerg Sonnenberger f.pub._flags = __SRD;
8662f08720SJoerg Sonnenberger f._bf._base = f.pub._p = (unsigned char *)mbstr;
8762f08720SJoerg Sonnenberger f._bf._size = f.pub._r = mlen;
8862f08720SJoerg Sonnenberger f._read = eofread;
890d5acd74SJohn Marino r = __vfwscanf(&f, locale, fmt, ap);
9062f08720SJoerg Sonnenberger free(mbstr);
9162f08720SJoerg Sonnenberger
9262f08720SJoerg Sonnenberger return (r);
9362f08720SJoerg Sonnenberger }
940d5acd74SJohn Marino int
vswscanf(const wchar_t * __restrict str,const wchar_t * __restrict fmt,va_list ap)950d5acd74SJohn Marino vswscanf(const wchar_t * __restrict str, const wchar_t * __restrict fmt,
960d5acd74SJohn Marino va_list ap)
970d5acd74SJohn Marino {
980d5acd74SJohn Marino return vswscanf_l(str, __get_locale(), fmt, ap);
990d5acd74SJohn Marino }
100