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 * Copyright (c) 2011 The FreeBSD Foundation
12 * All rights reserved.
13 * Portions of this software were developed by David Chisnall
14 * under sponsorship from the FreeBSD Foundation.
15 *
16 * Redistribution and use in source and binary forms, with or without
17 * modification, are permitted provided that the following conditions
18 * are met:
19 * 1. Redistributions of source code must retain the above copyright
20 * notice, this list of conditions and the following disclaimer.
21 * 2. Redistributions in binary form must reproduce the above copyright
22 * notice, this list of conditions and the following disclaimer in the
23 * documentation and/or other materials provided with the distribution.
24 * 3. All advertising materials mentioning features or use of this software
25 * must display the following acknowledgement:
26 * This product includes software developed by Phase One, Inc.
27 * 4. The name of Phase One, Inc. may be used to endorse or promote products
28 * derived from this software without specific prior written permission.
29 *
30 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
31 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
32 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
33 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
34 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
35 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
36 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
37 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
38 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
39 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
40 * SUCH DAMAGE.
41 *
42 * @(#)mskanji.c 1.0 (Phase One) 5/5/95
43 */
44
45
46 #include <sys/types.h>
47 #include <errno.h>
48 #include <runetype.h>
49 #include <stdlib.h>
50 #include <string.h>
51 #include <wchar.h>
52 #include "mblocal.h"
53
54 static size_t _MSKanji_mbrtowc(wchar_t * __restrict, const char * __restrict,
55 size_t, mbstate_t * __restrict);
56 static int _MSKanji_mbsinit(const mbstate_t *);
57 static size_t _MSKanji_wcrtomb(char * __restrict, wchar_t,
58 mbstate_t * __restrict);
59 static size_t _MSKanji_mbsnrtowcs(wchar_t * __restrict,
60 const char ** __restrict, size_t, size_t,
61 mbstate_t * __restrict);
62 static size_t _MSKanji_wcsnrtombs(char * __restrict,
63 const wchar_t ** __restrict, size_t, size_t,
64 mbstate_t * __restrict);
65
66 typedef struct {
67 wchar_t ch;
68 } _MSKanjiState;
69
70 int
_MSKanji_init(struct xlocale_ctype * l,_RuneLocale * rl)71 _MSKanji_init(struct xlocale_ctype *l, _RuneLocale *rl)
72 {
73
74 l->__mbrtowc = _MSKanji_mbrtowc;
75 l->__wcrtomb = _MSKanji_wcrtomb;
76 l->__mbsnrtowcs = _MSKanji_mbsnrtowcs;
77 l->__wcsnrtombs = _MSKanji_wcsnrtombs;
78 l->__mbsinit = _MSKanji_mbsinit;
79 l->runes = rl;
80 l->__mb_cur_max = 2;
81 l->__mb_sb_limit = 256;
82 return (0);
83 }
84
85 static int
_MSKanji_mbsinit(const mbstate_t * ps)86 _MSKanji_mbsinit(const mbstate_t *ps)
87 {
88
89 return (ps == NULL || ((const _MSKanjiState *)ps)->ch == 0);
90 }
91
92 static size_t
_MSKanji_mbrtowc(wchar_t * __restrict pwc,const char * __restrict s,size_t n,mbstate_t * __restrict ps)93 _MSKanji_mbrtowc(wchar_t * __restrict pwc, const char * __restrict s, size_t n,
94 mbstate_t * __restrict ps)
95 {
96 _MSKanjiState *ms;
97 wchar_t wc;
98
99 ms = (_MSKanjiState *)ps;
100
101 if ((ms->ch & ~0xFF) != 0) {
102 /* Bad conversion state. */
103 errno = EINVAL;
104 return ((size_t)-1);
105 }
106
107 if (s == NULL) {
108 s = "";
109 n = 1;
110 pwc = NULL;
111 }
112
113 if (n == 0)
114 /* Incomplete multibyte sequence */
115 return ((size_t)-2);
116
117 if (ms->ch != 0) {
118 if (*s == '\0') {
119 errno = EILSEQ;
120 return ((size_t)-1);
121 }
122 wc = (ms->ch << 8) | (*s & 0xFF);
123 if (pwc != NULL)
124 *pwc = wc;
125 ms->ch = 0;
126 return (1);
127 }
128 wc = *s++ & 0xff;
129 if ((wc > 0x80 && wc < 0xa0) || (wc >= 0xe0 && wc < 0xfd)) {
130 if (n < 2) {
131 /* Incomplete multibyte sequence */
132 ms->ch = wc;
133 return ((size_t)-2);
134 }
135 if (*s == '\0') {
136 errno = EILSEQ;
137 return ((size_t)-1);
138 }
139 wc = (wc << 8) | (*s++ & 0xff);
140 if (pwc != NULL)
141 *pwc = wc;
142 return (2);
143 } else {
144 if (pwc != NULL)
145 *pwc = wc;
146 return (wc == L'\0' ? 0 : 1);
147 }
148 }
149
150 static size_t
_MSKanji_wcrtomb(char * __restrict s,wchar_t wc,mbstate_t * __restrict ps)151 _MSKanji_wcrtomb(char * __restrict s, wchar_t wc, mbstate_t * __restrict ps)
152 {
153 _MSKanjiState *ms;
154 int len, i;
155
156 ms = (_MSKanjiState *)ps;
157
158 if (ms->ch != 0) {
159 errno = EINVAL;
160 return ((size_t)-1);
161 }
162
163 if (s == NULL)
164 /* Reset to initial shift state (no-op) */
165 return (1);
166 len = (wc > 0x100) ? 2 : 1;
167 for (i = len; i-- > 0; )
168 *s++ = wc >> (i << 3);
169 return (len);
170 }
171
172 static size_t
_MSKanji_mbsnrtowcs(wchar_t * __restrict dst,const char ** __restrict src,size_t nms,size_t len,mbstate_t * __restrict ps)173 _MSKanji_mbsnrtowcs(wchar_t * __restrict dst,
174 const char ** __restrict src, size_t nms,
175 size_t len, mbstate_t * __restrict ps)
176 {
177 return (__mbsnrtowcs_std(dst, src, nms, len, ps, _MSKanji_mbrtowc));
178 }
179
180 static size_t
_MSKanji_wcsnrtombs(char * __restrict dst,const wchar_t ** __restrict src,size_t nwc,size_t len,mbstate_t * __restrict ps)181 _MSKanji_wcsnrtombs(char * __restrict dst,
182 const wchar_t ** __restrict src, size_t nwc,
183 size_t len, mbstate_t * __restrict ps)
184 {
185 return (__wcsnrtombs_std(dst, src, nwc, len, ps, _MSKanji_wcrtomb));
186 }
187