17438fc3aSTim J. Robbins /*-
2*4d846d26SWarner Losh * SPDX-License-Identifier: BSD-2-Clause
3d915a14eSPedro F. Giffuni *
474f90defSTim J. Robbins * Copyright (c) 2002-2004 Tim J. Robbins.
5998e1248STim J. Robbins * All rights reserved.
67438fc3aSTim J. Robbins *
73c87aa1dSDavid Chisnall * Copyright (c) 2011 The FreeBSD Foundation
85b5fa75aSEd Maste *
93c87aa1dSDavid Chisnall * Portions of this software were developed by David Chisnall
103c87aa1dSDavid Chisnall * under sponsorship from the FreeBSD Foundation.
113c87aa1dSDavid Chisnall *
127438fc3aSTim J. Robbins * Redistribution and use in source and binary forms, with or without
137438fc3aSTim J. Robbins * modification, are permitted provided that the following conditions
147438fc3aSTim J. Robbins * are met:
157438fc3aSTim J. Robbins * 1. Redistributions of source code must retain the above copyright
167438fc3aSTim J. Robbins * notice, this list of conditions and the following disclaimer.
177438fc3aSTim J. Robbins * 2. Redistributions in binary form must reproduce the above copyright
187438fc3aSTim J. Robbins * notice, this list of conditions and the following disclaimer in the
197438fc3aSTim J. Robbins * documentation and/or other materials provided with the distribution.
207438fc3aSTim J. Robbins *
21998e1248STim J. Robbins * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
227438fc3aSTim J. Robbins * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
237438fc3aSTim J. Robbins * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24998e1248STim J. Robbins * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
257438fc3aSTim J. Robbins * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
267438fc3aSTim J. Robbins * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
277438fc3aSTim J. Robbins * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
287438fc3aSTim J. Robbins * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
297438fc3aSTim J. Robbins * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
307438fc3aSTim J. Robbins * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
317438fc3aSTim J. Robbins * SUCH DAMAGE.
327438fc3aSTim J. Robbins */
337438fc3aSTim J. Robbins
3445256214SPedro F. Giffuni #include <errno.h>
357438fc3aSTim J. Robbins #include <stdlib.h>
36998e1248STim J. Robbins #include <wchar.h>
376155c34aSTim J. Robbins #include "mblocal.h"
387438fc3aSTim J. Robbins
397438fc3aSTim J. Robbins int
mbtowc_l(wchar_t * __restrict pwc,const char * __restrict s,size_t n,locale_t locale)403c87aa1dSDavid Chisnall mbtowc_l(wchar_t * __restrict pwc, const char * __restrict s, size_t n, locale_t locale)
417438fc3aSTim J. Robbins {
4274f90defSTim J. Robbins static const mbstate_t initial;
43998e1248STim J. Robbins size_t rval;
443c87aa1dSDavid Chisnall FIX_LOCALE(locale);
457438fc3aSTim J. Robbins
4674f90defSTim J. Robbins if (s == NULL) {
47b6f33850STim J. Robbins /* No support for state dependent encodings. */
489eb7d595SYuri Pankov XLOCALE_CTYPE(locale)->mbtowc = initial;
49b6f33850STim J. Robbins return (0);
5074f90defSTim J. Robbins }
519eb7d595SYuri Pankov rval = XLOCALE_CTYPE(locale)->__mbrtowc(pwc, s, n,
529eb7d595SYuri Pankov &(XLOCALE_CTYPE(locale)->mbtowc));
5345256214SPedro F. Giffuni switch (rval) {
5445256214SPedro F. Giffuni case (size_t)-2:
5545256214SPedro F. Giffuni errno = EILSEQ;
5645256214SPedro F. Giffuni /* FALLTHROUGH */
5745256214SPedro F. Giffuni case (size_t)-1:
58998e1248STim J. Robbins return (-1);
5945256214SPedro F. Giffuni default:
60998e1248STim J. Robbins return ((int)rval);
617438fc3aSTim J. Robbins }
6245256214SPedro F. Giffuni }
633c87aa1dSDavid Chisnall int
mbtowc(wchar_t * __restrict pwc,const char * __restrict s,size_t n)643c87aa1dSDavid Chisnall mbtowc(wchar_t * __restrict pwc, const char * __restrict s, size_t n)
653c87aa1dSDavid Chisnall {
663c87aa1dSDavid Chisnall return mbtowc_l(pwc, s, n, __get_locale());
673c87aa1dSDavid Chisnall }
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