1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2013 Ed Schouten <ed@FreeBSD.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#include <sys/cdefs.h>
30__FBSDID("$FreeBSD$");
31
32#include <errno.h>
33#include <uchar.h>
34#include <wchar.h>
35#include "xlocale_private.h"
36
37size_t
38c32rtomb_l(char * __restrict s, char32_t c32, mbstate_t * __restrict ps,
39    locale_t locale)
40{
41
42	/* Unicode Standard 5.0, D90: ill-formed characters. */
43	if ((c32 >= 0xd800 && c32 <= 0xdfff) || c32 > 0x10ffff) {
44		errno = EILSEQ;
45		return ((size_t)-1);
46	}
47
48	FIX_LOCALE(locale);
49	if (ps == NULL)
50		ps = &locale->c32rtomb;
51
52	/* Assume wchar_t uses UTF-32. */
53	return (wcrtomb_l(s, c32, ps, locale));
54}
55
56size_t
57c32rtomb(char * __restrict s, char32_t c32, mbstate_t * __restrict ps)
58{
59
60	return (c32rtomb_l(s, c32, ps, __get_locale()));
61}
62