xref: /freebsd/lib/libc/locale/wctob.c (revision 3c87aa1d3dc1d8dad3efad322852a8e1e76dee55)
1e9fb7011STim J. Robbins /*-
274f90defSTim J. Robbins  * Copyright (c) 2002-2004 Tim J. Robbins.
3e9fb7011STim J. Robbins  * All rights reserved.
4e9fb7011STim J. Robbins  *
5*3c87aa1dSDavid Chisnall  * Copyright (c) 2011 The FreeBSD Foundation
6*3c87aa1dSDavid Chisnall  * All rights reserved.
7*3c87aa1dSDavid Chisnall  * Portions of this software were developed by David Chisnall
8*3c87aa1dSDavid Chisnall  * under sponsorship from the FreeBSD Foundation.
9*3c87aa1dSDavid Chisnall  *
10e9fb7011STim J. Robbins  * Redistribution and use in source and binary forms, with or without
11e9fb7011STim J. Robbins  * modification, are permitted provided that the following conditions
12e9fb7011STim J. Robbins  * are met:
13e9fb7011STim J. Robbins  * 1. Redistributions of source code must retain the above copyright
14e9fb7011STim J. Robbins  *    notice, this list of conditions and the following disclaimer.
15e9fb7011STim J. Robbins  * 2. Redistributions in binary form must reproduce the above copyright
16e9fb7011STim J. Robbins  *    notice, this list of conditions and the following disclaimer in the
17e9fb7011STim J. Robbins  *    documentation and/or other materials provided with the distribution.
18e9fb7011STim J. Robbins  *
19e9fb7011STim J. Robbins  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20e9fb7011STim J. Robbins  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21e9fb7011STim J. Robbins  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22e9fb7011STim J. Robbins  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23e9fb7011STim J. Robbins  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24e9fb7011STim J. Robbins  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25e9fb7011STim J. Robbins  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26e9fb7011STim J. Robbins  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27e9fb7011STim J. Robbins  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28e9fb7011STim J. Robbins  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29e9fb7011STim J. Robbins  * SUCH DAMAGE.
30e9fb7011STim J. Robbins  */
31e9fb7011STim J. Robbins 
32e9fb7011STim J. Robbins #include <sys/cdefs.h>
33e9fb7011STim J. Robbins __FBSDID("$FreeBSD$");
34e9fb7011STim J. Robbins 
35dab4fca4STim J. Robbins #include <limits.h>
36dab4fca4STim J. Robbins #include <stdio.h>
37e9fb7011STim J. Robbins #include <wchar.h>
386155c34aSTim J. Robbins #include "mblocal.h"
39e9fb7011STim J. Robbins 
40e9fb7011STim J. Robbins int
41*3c87aa1dSDavid Chisnall wctob_l(wint_t c, locale_t locale)
42e9fb7011STim J. Robbins {
4374f90defSTim J. Robbins 	static const mbstate_t initial;
4474f90defSTim J. Robbins 	mbstate_t mbs = initial;
45dab4fca4STim J. Robbins 	char buf[MB_LEN_MAX];
46*3c87aa1dSDavid Chisnall 	FIX_LOCALE(locale);
47e9fb7011STim J. Robbins 
48*3c87aa1dSDavid Chisnall 	if (c == WEOF || XLOCALE_CTYPE(locale)->__wcrtomb(buf, c, &mbs) != 1)
49e9fb7011STim J. Robbins 		return (EOF);
50dab4fca4STim J. Robbins 	return ((unsigned char)*buf);
51e9fb7011STim J. Robbins }
52*3c87aa1dSDavid Chisnall int
53*3c87aa1dSDavid Chisnall wctob(wint_t c)
54*3c87aa1dSDavid Chisnall {
55*3c87aa1dSDavid Chisnall 	return wctob_l(c, __get_locale());
56*3c87aa1dSDavid Chisnall }
57