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multibyte_amd1.c revision 1.14.20.2 
      1 /*	$NetBSD: multibyte_amd1.c,v 1.14.20.2 2017/07/21 20:22:29 perseant Exp $	*/
      2 
      3 /*-
      4  * Copyright (c)2002, 2008 Citrus Project,
      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 #if defined(LIBC_SCCS) && !defined(lint)
     31 __RCSID("$NetBSD: multibyte_amd1.c,v 1.14.20.2 2017/07/21 20:22:29 perseant Exp $");
     32 #endif /* LIBC_SCCS and not lint */
     33 
     34 #include <sys/types.h>
     35 #include <assert.h>
     36 #include <errno.h>
     37 #include <langinfo.h>
     38 #include <stdlib.h>
     39 #define __SETLOCALE_SOURCE__
     40 #include <locale.h>
     41 #include <wchar.h>
     42 
     43 #include "setlocale_local.h"
     44 
     45 #include "citrus_module.h"
     46 #include "citrus_ctype.h"
     47 #include "runetype_local.h"
     48 #include "multibyte.h"
     49 
     50 size_t
     51 mbrlen_l(const char *s, size_t n, mbstate_t *ps, locale_t loc)
     52 {
     53 	size_t ret;
     54 	int err0;
     55 
     56 	_fixup_ps(_RUNE_LOCALE(loc), ps, s == NULL);
     57 
     58 	err0 = _citrus_ctype_mbrlen(_ps_to_ctype(ps, loc), s, n,
     59 				     _ps_to_private(ps), &ret);
     60 	if (err0)
     61 		errno = err0;
     62 
     63 	return ret;
     64 }
     65 
     66 size_t
     67 mbrlen(const char *s, size_t n, mbstate_t *ps)
     68 {
     69 	return mbrlen_l(s, n, ps, _current_locale());
     70 }
     71 
     72 int
     73 mbsinit_l(const mbstate_t *ps, locale_t loc)
     74 {
     75 	int ret;
     76 	int err0;
     77 	_RuneLocale *rl;
     78 
     79 	if (ps == NULL)
     80 		return 1;
     81 
     82 	if (_ps_to_runelocale(ps) == NULL)
     83 		rl = _RUNE_LOCALE(loc);
     84 	else
     85 		rl = _ps_to_runelocale(ps);
     86 
     87 	/* mbsinit should cause no error... */
     88 	err0 = _citrus_ctype_mbsinit(rl->rl_citrus_ctype,
     89 				      _ps_to_private_const(ps), &ret);
     90 	if (err0)
     91 		errno = err0;
     92 
     93 	return ret;
     94 }
     95 
     96 int
     97 mbsinit(const mbstate_t *ps)
     98 {
     99 	return mbsinit_l(ps, _current_locale());
    100 }
    101 
    102 size_t
    103 mbrtowc_l(wchar_ucs4_t *pwc, const char *s, size_t n, mbstate_t *ps, locale_t loc)
    104 {
    105 	size_t ret;
    106 	int err0;
    107 
    108 	_fixup_ps(_RUNE_LOCALE(loc), ps, s == NULL);
    109 
    110 	err0 = _citrus_ctype_mbrtowc(_ps_to_ctype(ps, loc), pwc, s, n,
    111 				      _ps_to_private(ps), &ret);
    112 	if (err0) {
    113 		errno = err0;
    114 		return -1;
    115 	}
    116 
    117 	return ret;
    118 }
    119 
    120 size_t
    121 mbrtowc(wchar_ucs4_t *pwc, const char *s, size_t n, mbstate_t *ps)
    122 {
    123 	return mbrtowc_l(pwc, s, n, ps, _current_locale());
    124 }
    125 
    126 size_t
    127 mbsrtowcs_l(wchar_ucs4_t *pwcs, const char **s, size_t n, mbstate_t *ps,
    128     locale_t loc)
    129 {
    130 	size_t ret;
    131 	int err0;
    132 
    133 	_fixup_ps(_RUNE_LOCALE(loc), ps, s == NULL);
    134 
    135 	err0 = _citrus_ctype_mbsrtowcs(_ps_to_ctype(ps, loc), pwcs, s, n,
    136 					_ps_to_private(ps), &ret);
    137 	if (err0) {
    138 		errno = err0;
    139 		return -1;
    140 	}
    141 
    142 	return ret;
    143 }
    144 
    145 size_t
    146 mbsrtowcs(wchar_ucs4_t *pwcs, const char **s, size_t n, mbstate_t *ps)
    147 {
    148 	return mbsrtowcs_l(pwcs, s, n, ps, _current_locale());
    149 }
    150 
    151 size_t
    152 mbsnrtowcs_l(wchar_ucs4_t *pwcs, const char **s, size_t in, size_t n, mbstate_t *ps,
    153     locale_t loc)
    154 {
    155 	size_t ret;
    156 	int err0;
    157 
    158 	_fixup_ps(_RUNE_LOCALE(loc), ps, s == NULL);
    159 
    160 	err0 = _citrus_ctype_mbsnrtowcs(_ps_to_ctype(ps, loc), pwcs, s, in, n,
    161 					_ps_to_private(ps), &ret);
    162 	if (err0) {
    163 		errno = err0;
    164 		return -1;
    165 	}
    166 
    167 	return ret;
    168 }
    169 
    170 size_t
    171 mbsnrtowcs(wchar_ucs4_t *pwcs, const char **s, size_t in, size_t n, mbstate_t *ps)
    172 {
    173 	return mbsnrtowcs_l(pwcs, s, in, n, ps, _current_locale());
    174 }
    175 
    176 size_t
    177 wcrtomb_l(char *s, wchar_ucs4_t wc, mbstate_t *ps, locale_t loc)
    178 {
    179 	size_t ret;
    180 	int err0;
    181 
    182 	_fixup_ps(_RUNE_LOCALE(loc), ps, s == NULL);
    183 
    184 	err0 = _citrus_ctype_wcrtomb(_ps_to_ctype(ps, loc), s, wc,
    185 				       _ps_to_private(ps), &ret);
    186 	if (err0)
    187 		errno = err0;
    188 
    189 	return ret;
    190 }
    191 
    192 size_t
    193 wcrtomb(char *s, wchar_ucs4_t wc, mbstate_t *ps)
    194 {
    195 	return wcrtomb_l(s, wc, ps, _current_locale());
    196 }
    197 
    198 size_t
    199 wcsrtombs_l(char *s, const wchar_ucs4_t **ppwcs, size_t n, mbstate_t *ps,
    200     locale_t loc)
    201 {
    202 	size_t ret;
    203 	int err0;
    204 #ifdef __STDC_ISO_10646__
    205 	wchar_kuten_t *wcskt, *owcskt;
    206 	int nn;
    207 #endif
    208 
    209 	_fixup_ps(_RUNE_LOCALE(loc), ps, s == NULL);
    210 
    211 #ifdef __STDC_ISO_10646__
    212 	nn = wcsnlen(*ppwcs, n) + 1;
    213 	owcskt = wcskt = (wchar_kuten_t *)malloc(nn * sizeof(*wcskt));
    214 	err0 = _citrus_ctype_wcsrtombs(_ps_to_ctype(ps, loc), s, (const wchar_kuten_t **)(void *)&wcskt, n,
    215 				       _ps_to_private(ps), &ret);
    216 	if (wcskt == NULL)
    217 		*ppwcs = NULL;
    218 	else
    219 		*ppwcs += (wcskt - owcskt);
    220 	free(owcskt);
    221 #else /* ! __STDC_ISO_10646__ */
    222 	err0 = _citrus_ctype_wcsrtombs(_ps_to_ctype(ps, loc), s, ppwcs, n,
    223 				       _ps_to_private(ps), &ret);
    224 #endif /* ! __STDC_ISO_10646__ */
    225 	if (err0)
    226 		errno = err0;
    227 
    228 	return ret;
    229 }
    230 
    231 size_t
    232 wcsrtombs(char *s, const wchar_ucs4_t **ppwcs, size_t n, mbstate_t *ps)
    233 {
    234 	return wcsrtombs_l(s, ppwcs, n, ps, _current_locale());
    235 }
    236 
    237 wint_t
    238 btowc_l(int c, locale_t loc)
    239 {
    240 	wint_t ret;
    241 	int err0;
    242 
    243 	err0 = _citrus_ctype_btowc(_CITRUS_CTYPE(loc), c, &ret);
    244 	if (err0) {
    245 		errno = err0;
    246 		return -1;
    247 	}
    248 
    249 	return ret;
    250 }
    251 
    252 wint_t
    253 btowc(int c)
    254 {
    255 	return btowc_l(c, _current_locale());
    256 }
    257 
    258 int
    259 wctob_l(wint_t wc, locale_t loc)
    260 {
    261 	int ret;
    262 	int err0;
    263 
    264 	err0 = _citrus_ctype_wctob(_CITRUS_CTYPE(loc), wc, &ret);
    265 	if (err0)
    266 		errno = err0;
    267 
    268 	return ret;
    269 }
    270 
    271 int
    272 wctob(wint_t wc)
    273 {
    274 	return wctob_l(wc, _current_locale());
    275 }
    276 
    277 size_t
    278 _mb_cur_max_l(locale_t loc)
    279 {
    280 
    281 	return _citrus_ctype_get_mb_cur_max(_CITRUS_CTYPE(loc));
    282 }
    283