2 * SPDX-License-Identifier: BSD-2-Clause
4 * Copyright (c) 2013 Ed Schouten <ed@FreeBSD.org>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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
29 #include <sys/cdefs.h>
30 #include <sys/queue.h>
37 #include "../iconv/citrus_hash.h"
38 #include "../iconv/citrus_module.h"
39 #include "../iconv/citrus_iconv.h"
44 struct _citrus_iconv iconv;
46 charXX_t widechar[SRCBUF_LEN];
47 char bytes[sizeof(charXX_t) * SRCBUF_LEN];
51 _Static_assert(sizeof(_ConversionState) <= sizeof(mbstate_t),
52 "Size of _ConversionState must not exceed mbstate_t's size.");
55 cXXrtomb_l(char * __restrict s, charXX_t c, mbstate_t * __restrict ps,
59 struct _citrus_iconv *handle;
61 size_t srcleft, dstleft, invlen;
66 ps = &(XLOCALE_CTYPE(locale)->cXXrtomb);
67 cs = (_ConversionState *)ps;
70 /* Reinitialize mbstate_t. */
71 if (s == NULL || !cs->initialized) {
72 if (_citrus_iconv_open(&handle, UTF_XX_INTERNAL,
73 nl_langinfo_l(CODESET, locale)) != 0) {
74 cs->initialized = false;
79 cs->initialized = true;
84 assert(cs->srcbuf_len < sizeof(cs->srcbuf.widechar) / sizeof(charXX_t));
85 cs->srcbuf.widechar[cs->srcbuf_len++] = c;
87 /* Perform conversion. */
88 src = cs->srcbuf.bytes;
89 srcleft = cs->srcbuf_len * sizeof(charXX_t);
91 dstleft = MB_CUR_MAX_L(locale);
92 err = _citrus_iconv_convert(handle, &src, &srcleft, &dst, &dstleft,
93 _CITRUS_ICONV_F_HIDE_INVALID, &invlen);
95 /* Character is part of a surrogate pair. We need more input. */
100 /* Illegal sequence. */
109 cXXrtomb(char * __restrict s, charXX_t c, mbstate_t * __restrict ps)
112 return (cXXrtomb_l(s, c, ps, __get_locale()));