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