1 /*-
2 * SPDX-License-Identifier: BSD-4-Clause
3 *
4 * Copyright 2013 Garrett D'Amore <garrett@damore.org>
5 * Copyright 2010 Nexenta Systems, Inc. All rights reserved.
6 * Copyright (c) 2002-2004 Tim J. Robbins. All rights reserved.
7 *
8 * ja_JP.SJIS locale table for BSD4.4/rune
9 * version 1.0
10 * (C) Sin'ichiro MIYATANI / Phase One, Inc
11 * May 12, 1995
12 *
13 * Copyright (c) 2011 The FreeBSD Foundation
14 *
15 * Portions of this software were developed by David Chisnall
16 * under sponsorship from the FreeBSD Foundation.
17 *
18 * Redistribution and use in source and binary forms, with or without
19 * modification, are permitted provided that the following conditions
20 * are met:
21 * 1. Redistributions of source code must retain the above copyright
22 * notice, this list of conditions and the following disclaimer.
23 * 2. Redistributions in binary form must reproduce the above copyright
24 * notice, this list of conditions and the following disclaimer in the
25 * documentation and/or other materials provided with the distribution.
26 * 3. All advertising materials mentioning features or use of this software
27 * must display the following acknowledgement:
28 * This product includes software developed by Phase One, Inc.
29 * 4. The name of Phase One, Inc. may be used to endorse or promote products
30 * derived from this software without specific prior written permission.
31 *
32 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
33 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
34 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
35 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
36 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
37 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
38 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
39 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
40 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
41 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
42 * SUCH DAMAGE.
43 */
44
45 #include <sys/types.h>
46 #include <errno.h>
47 #include <runetype.h>
48 #include <stdlib.h>
49 #include <string.h>
50 #include <wchar.h>
51 #include "mblocal.h"
52
53 extern int __mb_sb_limit;
54
55 static size_t _MSKanji_mbrtowc(wchar_t * __restrict, const char * __restrict,
56 size_t, mbstate_t * __restrict);
57 static int _MSKanji_mbsinit(const mbstate_t *);
58 static size_t _MSKanji_wcrtomb(char * __restrict, wchar_t,
59 mbstate_t * __restrict);
60 static size_t _MSKanji_mbsnrtowcs(wchar_t * __restrict,
61 const char ** __restrict, size_t, size_t,
62 mbstate_t * __restrict);
63 static size_t _MSKanji_wcsnrtombs(char * __restrict,
64 const wchar_t ** __restrict, size_t, size_t,
65 mbstate_t * __restrict);
66
67 typedef struct {
68 wchar_t ch;
69 } _MSKanjiState;
70
71 int
_MSKanji_init(struct xlocale_ctype * l,_RuneLocale * rl)72 _MSKanji_init(struct xlocale_ctype *l, _RuneLocale *rl)
73 {
74
75 l->__mbrtowc = _MSKanji_mbrtowc;
76 l->__wcrtomb = _MSKanji_wcrtomb;
77 l->__mbsnrtowcs = _MSKanji_mbsnrtowcs;
78 l->__wcsnrtombs = _MSKanji_wcsnrtombs;
79 l->__mbsinit = _MSKanji_mbsinit;
80 l->runes = rl;
81 l->__mb_cur_max = 2;
82 l->__mb_sb_limit = 224;
83 return (0);
84 }
85
86 static int
_MSKanji_mbsinit(const mbstate_t * ps)87 _MSKanji_mbsinit(const mbstate_t *ps)
88 {
89
90 return (ps == NULL || ((const _MSKanjiState *)ps)->ch == 0);
91 }
92
93 static size_t
_MSKanji_mbrtowc(wchar_t * __restrict pwc,const char * __restrict s,size_t n,mbstate_t * __restrict ps)94 _MSKanji_mbrtowc(wchar_t * __restrict pwc, const char * __restrict s, size_t n,
95 mbstate_t * __restrict ps)
96 {
97 _MSKanjiState *ms;
98 wchar_t wc;
99
100 ms = (_MSKanjiState *)ps;
101
102 if ((ms->ch & ~0xFF) != 0) {
103 /* Bad conversion state. */
104 errno = EINVAL;
105 return ((size_t)-1);
106 }
107
108 if (s == NULL) {
109 s = "";
110 n = 1;
111 pwc = NULL;
112 }
113
114 if (n == 0)
115 /* Incomplete multibyte sequence */
116 return ((size_t)-2);
117
118 if (ms->ch != 0) {
119 if (*s == '\0') {
120 errno = EILSEQ;
121 return ((size_t)-1);
122 }
123 wc = (ms->ch << 8) | (*s & 0xFF);
124 if (pwc != NULL)
125 *pwc = wc;
126 ms->ch = 0;
127 return (1);
128 }
129 wc = *s++ & 0xff;
130 if ((wc > 0x80 && wc < 0xa0) || (wc >= 0xe0 && wc < 0xfd)) {
131 if (n < 2) {
132 /* Incomplete multibyte sequence */
133 ms->ch = wc;
134 return ((size_t)-2);
135 }
136 if (*s == '\0') {
137 errno = EILSEQ;
138 return ((size_t)-1);
139 }
140 wc = (wc << 8) | (*s++ & 0xff);
141 if (pwc != NULL)
142 *pwc = wc;
143 return (2);
144 } else {
145 if (pwc != NULL)
146 *pwc = wc;
147 return (wc == L'\0' ? 0 : 1);
148 }
149 }
150
151 static size_t
_MSKanji_wcrtomb(char * __restrict s,wchar_t wc,mbstate_t * __restrict ps)152 _MSKanji_wcrtomb(char * __restrict s, wchar_t wc, mbstate_t * __restrict ps)
153 {
154 _MSKanjiState *ms;
155 int len, i;
156
157 ms = (_MSKanjiState *)ps;
158
159 if (ms->ch != 0) {
160 errno = EINVAL;
161 return ((size_t)-1);
162 }
163
164 if (s == NULL)
165 /* Reset to initial shift state (no-op) */
166 return (1);
167 len = (wc > 0x100) ? 2 : 1;
168 for (i = len; i-- > 0; )
169 *s++ = wc >> (i << 3);
170 return (len);
171 }
172
173 static size_t
_MSKanji_mbsnrtowcs(wchar_t * __restrict dst,const char ** __restrict src,size_t nms,size_t len,mbstate_t * __restrict ps)174 _MSKanji_mbsnrtowcs(wchar_t * __restrict dst,
175 const char ** __restrict src, size_t nms,
176 size_t len, mbstate_t * __restrict ps)
177 {
178 return (__mbsnrtowcs_std(dst, src, nms, len, ps, _MSKanji_mbrtowc));
179 }
180
181 static size_t
_MSKanji_wcsnrtombs(char * __restrict dst,const wchar_t ** __restrict src,size_t nwc,size_t len,mbstate_t * __restrict ps)182 _MSKanji_wcsnrtombs(char * __restrict dst,
183 const wchar_t ** __restrict src, size_t nwc,
184 size_t len, mbstate_t * __restrict ps)
185 {
186 return (__wcsnrtombs_std(dst, src, nwc, len, ps, _MSKanji_wcrtomb));
187 }
188