1 /* 2 * Copyright (c) 2002-2004 Tim J. Robbins. All rights reserved. 3 * 4 * ja_JP.SJIS locale table for BSD4.4/rune 5 * version 1.0 6 * (C) Sin'ichiro MIYATANI / Phase One, Inc 7 * May 12, 1995 8 * 9 * Copyright (c) 2011 The FreeBSD Foundation 10 * All rights reserved. 11 * Portions of this software were developed by David Chisnall 12 * under sponsorship from the FreeBSD Foundation. 13 * 14 * Redistribution and use in source and binary forms, with or without 15 * modification, are permitted provided that the following conditions 16 * are met: 17 * 1. Redistributions of source code must retain the above copyright 18 * notice, this list of conditions and the following disclaimer. 19 * 2. Redistributions in binary form must reproduce the above copyright 20 * notice, this list of conditions and the following disclaimer in the 21 * documentation and/or other materials provided with the distribution. 22 * 3. All advertising materials mentioning features or use of this software 23 * must display the following acknowledgement: 24 * This product includes software developed by Phase One, Inc. 25 * 4. The name of Phase One, Inc. may be used to endorse or promote products 26 * derived from this software without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * @(#)mskanji.c 1.0 (Phase One) 5/5/95 41 * $FreeBSD: head/lib/libc/locale/mskanji.c 227753 2011-11-20 14:45:42Z theraven $ 42 */ 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 61 typedef struct { 62 wchar_t ch; 63 } _MSKanjiState; 64 65 int 66 _MSKanji_init(struct xlocale_ctype *l, _RuneLocale *rl) 67 { 68 69 l->__mbrtowc = _MSKanji_mbrtowc; 70 l->__wcrtomb = _MSKanji_wcrtomb; 71 l->__mbsinit = _MSKanji_mbsinit; 72 l->runes = rl; 73 l->__mb_cur_max = 2; 74 l->__mb_sb_limit = 256; 75 return (0); 76 } 77 78 static int 79 _MSKanji_mbsinit(const mbstate_t *ps) 80 { 81 82 return (ps == NULL || ((const _MSKanjiState *)ps)->ch == 0); 83 } 84 85 static size_t 86 _MSKanji_mbrtowc(wchar_t * __restrict pwc, const char * __restrict s, size_t n, 87 mbstate_t * __restrict ps) 88 { 89 _MSKanjiState *ms; 90 wchar_t wc; 91 92 ms = (_MSKanjiState *)ps; 93 94 if ((ms->ch & ~0xFF) != 0) { 95 /* Bad conversion state. */ 96 errno = EINVAL; 97 return ((size_t)-1); 98 } 99 100 if (s == NULL) { 101 s = ""; 102 n = 1; 103 pwc = NULL; 104 } 105 106 if (n == 0) 107 /* Incomplete multibyte sequence */ 108 return ((size_t)-2); 109 110 if (ms->ch != 0) { 111 if (*s == '\0') { 112 errno = EILSEQ; 113 return ((size_t)-1); 114 } 115 wc = (ms->ch << 8) | (*s & 0xFF); 116 if (pwc != NULL) 117 *pwc = wc; 118 ms->ch = 0; 119 return (1); 120 } 121 wc = *s++ & 0xff; 122 if ((wc > 0x80 && wc < 0xa0) || (wc >= 0xe0 && wc < 0xfd)) { 123 if (n < 2) { 124 /* Incomplete multibyte sequence */ 125 ms->ch = wc; 126 return ((size_t)-2); 127 } 128 if (*s == '\0') { 129 errno = EILSEQ; 130 return ((size_t)-1); 131 } 132 wc = (wc << 8) | (*s++ & 0xff); 133 if (pwc != NULL) 134 *pwc = wc; 135 return (2); 136 } else { 137 if (pwc != NULL) 138 *pwc = wc; 139 return (wc == L'\0' ? 0 : 1); 140 } 141 } 142 143 static size_t 144 _MSKanji_wcrtomb(char * __restrict s, wchar_t wc, mbstate_t * __restrict 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