2 * Copyright (c) 2013 Ed Schouten <ed@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/queue.h>
37 #include "../iconv/citrus_hash.h"
38 #include "../iconv/citrus_module.h"
39 #include "../iconv/citrus_iconv.h"
40 #include "xlocale_private.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;
62 size_t srcleft, dstleft, invlen;
67 ps = &locale->cXXrtomb;
68 cs = (_ConversionState *)ps;
71 /* Reinitialize mbstate_t. */
72 if (s == NULL || !cs->initialized) {
73 if (_citrus_iconv_open(&handle, UTF_XX_INTERNAL,
74 nl_langinfo_l(CODESET, locale)) != 0) {
75 cs->initialized = false;
79 handle->cv_shared->ci_discard_ilseq = true;
80 handle->cv_shared->ci_hooks = NULL;
82 cs->initialized = true;
87 assert(cs->srcbuf_len < sizeof(cs->srcbuf.widechar) / sizeof(charXX_t));
88 cs->srcbuf.widechar[cs->srcbuf_len++] = c;
90 /* Perform conversion. */
91 src = cs->srcbuf.bytes;
92 srcleft = cs->srcbuf_len * sizeof(charXX_t);
94 dstleft = MB_CUR_MAX_L(locale);
95 err = _citrus_iconv_convert(handle, &src, &srcleft, &dst, &dstleft,
98 /* Character is part of a surrogate pair. We need more input. */
103 /* Illegal sequence. */
112 cXXrtomb(char * __restrict s, charXX_t c, mbstate_t * __restrict ps)
115 return (cXXrtomb_l(s, c, ps, __get_locale()));