xref: /freebsd/lib/libc/locale/wctob.c (revision 559a218c9b257775fb249b67945fe4a05b7a6b9f)
1e9fb7011STim J. Robbins /*-
2*4d846d26SWarner Losh  * SPDX-License-Identifier: BSD-2-Clause
3d915a14eSPedro F. Giffuni  *
474f90defSTim J. Robbins  * Copyright (c) 2002-2004 Tim J. Robbins.
5e9fb7011STim J. Robbins  * All rights reserved.
6e9fb7011STim 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  *
12e9fb7011STim J. Robbins  * Redistribution and use in source and binary forms, with or without
13e9fb7011STim J. Robbins  * modification, are permitted provided that the following conditions
14e9fb7011STim J. Robbins  * are met:
15e9fb7011STim J. Robbins  * 1. Redistributions of source code must retain the above copyright
16e9fb7011STim J. Robbins  *    notice, this list of conditions and the following disclaimer.
17e9fb7011STim J. Robbins  * 2. Redistributions in binary form must reproduce the above copyright
18e9fb7011STim J. Robbins  *    notice, this list of conditions and the following disclaimer in the
19e9fb7011STim J. Robbins  *    documentation and/or other materials provided with the distribution.
20e9fb7011STim J. Robbins  *
21e9fb7011STim J. Robbins  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
22e9fb7011STim J. Robbins  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23e9fb7011STim J. Robbins  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24e9fb7011STim J. Robbins  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
25e9fb7011STim J. Robbins  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26e9fb7011STim J. Robbins  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27e9fb7011STim J. Robbins  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28e9fb7011STim J. Robbins  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29e9fb7011STim J. Robbins  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30e9fb7011STim J. Robbins  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31e9fb7011STim J. Robbins  * SUCH DAMAGE.
32e9fb7011STim J. Robbins  */
33e9fb7011STim J. Robbins 
34dab4fca4STim J. Robbins #include <limits.h>
35dab4fca4STim J. Robbins #include <stdio.h>
36e9fb7011STim J. Robbins #include <wchar.h>
376155c34aSTim J. Robbins #include "mblocal.h"
38e9fb7011STim J. Robbins 
39e9fb7011STim J. Robbins int
wctob_l(wint_t c,locale_t locale)403c87aa1dSDavid Chisnall wctob_l(wint_t c, locale_t locale)
41e9fb7011STim J. Robbins {
4274f90defSTim J. Robbins 	static const mbstate_t initial;
4374f90defSTim J. Robbins 	mbstate_t mbs = initial;
44dab4fca4STim J. Robbins 	char buf[MB_LEN_MAX];
453c87aa1dSDavid Chisnall 	FIX_LOCALE(locale);
46e9fb7011STim J. Robbins 
473c87aa1dSDavid Chisnall 	if (c == WEOF || XLOCALE_CTYPE(locale)->__wcrtomb(buf, c, &mbs) != 1)
48e9fb7011STim J. Robbins 		return (EOF);
49dab4fca4STim J. Robbins 	return ((unsigned char)*buf);
50e9fb7011STim J. Robbins }
513c87aa1dSDavid Chisnall int
wctob(wint_t c)523c87aa1dSDavid Chisnall wctob(wint_t c)
533c87aa1dSDavid Chisnall {
543c87aa1dSDavid Chisnall 	return wctob_l(c, __get_locale());
553c87aa1dSDavid Chisnall }
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