1 /*
2 * Copyright 2010 Nexenta Systems, Inc. All rights reserved.
3 * Copyright (c) 2002-2004 Tim J. Robbins. All rights reserved.
4 *
5 * ja_JP.SJIS locale table for BSD4.4/rune
6 * version 1.0
7 * (C) Sin'ichiro MIYATANI / Phase One, Inc
8 * May 12, 1995
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by Phase One, Inc.
21 * 4. The name of Phase One, Inc. may be used to endorse or promote products
22 * derived from this software without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 */
36
37 #include "lint.h"
38 #include <sys/types.h>
39 #include <errno.h>
40 #include "runetype.h"
41 #include <stdlib.h>
42 #include <string.h>
43 #include <wchar.h>
44 #include "mblocal.h"
45
46 static size_t _MSKanji_mbrtowc(wchar_t *_RESTRICT_KYWD,
47 const char *_RESTRICT_KYWD,
48 size_t, mbstate_t *_RESTRICT_KYWD);
49 static int _MSKanji_mbsinit(const mbstate_t *);
50 static size_t _MSKanji_wcrtomb(char *_RESTRICT_KYWD, wchar_t,
51 mbstate_t *_RESTRICT_KYWD);
52
53 typedef struct {
54 wchar_t ch;
55 } _MSKanjiState;
56
57 int
58 _MSKanji_init(_RuneLocale *rl)
59 {
60
61 __mbrtowc = _MSKanji_mbrtowc;
62 __wcrtomb = _MSKanji_wcrtomb;
63 __mbsinit = _MSKanji_mbsinit;
64 _CurrentRuneLocale = rl;
65 __ctype[520] = 2;
66 charset_is_ascii = 0;
67 return (0);
68 }
69
70 static int
71 _MSKanji_mbsinit(const mbstate_t *ps)
72 {
73
74 return (ps == NULL || ((const _MSKanjiState *)ps)->ch == 0);
75 }
76
77 static size_t
78 _MSKanji_mbrtowc(wchar_t *_RESTRICT_KYWD pwc, const char *_RESTRICT_KYWD s,
79 size_t n, mbstate_t *_RESTRICT_KYWD ps)
80 {
81 _MSKanjiState *ms;
82 wchar_t wc;
83
84 ms = (_MSKanjiState *)ps;
85
86 if ((ms->ch & ~0xFF) != 0) {
87 /* Bad conversion state. */
88 errno = EINVAL;
89 return ((size_t)-1);
90 }
91
92 if (s == NULL) {
93 s = "";
94 n = 1;
95 pwc = NULL;
96 }
97
98 if (n == 0)
99 /* Incomplete multibyte sequence */
100 return ((size_t)-2);
101
102 if (ms->ch != 0) {
103 if (*s == '\0') {
104 errno = EILSEQ;
105 return ((size_t)-1);
106 }
107 wc = (ms->ch << 8) | (*s & 0xFF);
108 if (pwc != NULL)
109 *pwc = wc;
110 ms->ch = 0;
111 return (1);
112 }
113 wc = *s++ & 0xff;
114 if ((wc > 0x80 && wc < 0xa0) || (wc >= 0xe0 && wc < 0xfd)) {
115 if (n < 2) {
116 /* Incomplete multibyte sequence */
117 ms->ch = wc;
118 return ((size_t)-2);
119 }
120 if (*s == '\0') {
121 errno = EILSEQ;
122 return ((size_t)-1);
123 }
124 wc = (wc << 8) | (*s++ & 0xff);
125 if (pwc != NULL)
126 *pwc = wc;
127 return (2);
128 } else {
129 if (pwc != NULL)
130 *pwc = wc;
131 return (wc == L'\0' ? 0 : 1);
132 }
133 }
134
135 static size_t
136 _MSKanji_wcrtomb(char *_RESTRICT_KYWD s, wchar_t wc,
137 mbstate_t *_RESTRICT_KYWD ps)
138 {
139 _MSKanjiState *ms;
140 int len, i;
141
142 ms = (_MSKanjiState *)ps;
143
144 if (ms->ch != 0) {
145 errno = EINVAL;
146 return ((size_t)-1);
147 }
148
149 if (s == NULL)
150 /* Reset to initial shift state (no-op) */
151 return (1);
152 len = (wc > 0x100) ? 2 : 1;
153 for (i = len; i-- > 0; )
154 *s++ = wc >> (i << 3);
155 return (len);
156 }