1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
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 <errno.h>
30 #include <uchar.h>
31 #include <wchar.h>
32 #include "mblocal.h"
33
34 size_t
c32rtomb_l(char * __restrict s,char32_t c32,mbstate_t * __restrict ps,locale_t locale)35 c32rtomb_l(char * __restrict s, char32_t c32, mbstate_t * __restrict ps,
36 locale_t locale)
37 {
38
39 /* Unicode Standard 5.0, D90: ill-formed characters. */
40 if ((c32 >= 0xd800 && c32 <= 0xdfff) || c32 > 0x10ffff) {
41 errno = EILSEQ;
42 return ((size_t)-1);
43 }
44
45 FIX_LOCALE(locale);
46 if (ps == NULL)
47 ps = &(XLOCALE_CTYPE(locale)->c32rtomb);
48
49 /* Assume wchar_t uses UTF-32. */
50 return (wcrtomb_l(s, c32, ps, locale));
51 }
52
53 size_t
c32rtomb(char * __restrict s,char32_t c32,mbstate_t * __restrict ps)54 c32rtomb(char * __restrict s, char32_t c32, mbstate_t * __restrict ps)
55 {
56
57 return (c32rtomb_l(s, c32, ps, __get_locale()));
58 }
59