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