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 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by Phase One, Inc. 20 * 4. The name of Phase One, Inc. may be used to endorse or promote products 21 * derived from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #if defined(LIBC_SCCS) && !defined(lint) 37 static char sccsid[] = "@(#)mskanji.c 1.0 (Phase One) 5/5/95"; 38 #endif /* LIBC_SCCS and not lint */ 39 #include <sys/cdefs.h> 40 __FBSDID("$FreeBSD$"); 41 42 #include <sys/types.h> 43 #include <errno.h> 44 #include <runetype.h> 45 #include <stdlib.h> 46 #include <string.h> 47 #include <wchar.h> 48 #include "mblocal.h" 49 50 static size_t _MSKanji_mbrtowc(wchar_t * __restrict, const char * __restrict, 51 size_t, mbstate_t * __restrict); 52 static int _MSKanji_mbsinit(const mbstate_t *); 53 static size_t _MSKanji_wcrtomb(char * __restrict, wchar_t, 54 mbstate_t * __restrict); 55 56 typedef struct { 57 wchar_t ch; 58 } _MSKanjiState; 59 60 int 61 _MSKanji_init(_RuneLocale *rl) 62 { 63 64 __mbrtowc = _MSKanji_mbrtowc; 65 __wcrtomb = _MSKanji_wcrtomb; 66 __mbsinit = _MSKanji_mbsinit; 67 _CurrentRuneLocale = rl; 68 __mb_cur_max = 2; 69 return (0); 70 } 71 72 static int 73 _MSKanji_mbsinit(const mbstate_t *ps) 74 { 75 76 return (ps == NULL || ((const _MSKanjiState *)ps)->ch == 0); 77 } 78 79 static size_t 80 _MSKanji_mbrtowc(wchar_t * __restrict pwc, const char * __restrict s, size_t n, 81 mbstate_t * __restrict ps) 82 { 83 _MSKanjiState *ms; 84 wchar_t wc; 85 86 ms = (_MSKanjiState *)ps; 87 88 if ((ms->ch & ~0xFF) != 0) { 89 /* Bad conversion state. */ 90 errno = EINVAL; 91 return ((size_t)-1); 92 } 93 94 if (s == NULL) { 95 s = ""; 96 n = 1; 97 pwc = NULL; 98 } 99 100 if (n == 0) 101 /* Incomplete multibyte sequence */ 102 return ((size_t)-2); 103 104 if (ms->ch != 0) { 105 if (*s == '\0') { 106 errno = EILSEQ; 107 return ((size_t)-1); 108 } 109 wc = (ms->ch << 8) | (*s & 0xFF); 110 if (pwc != NULL) 111 *pwc = wc; 112 ms->ch = 0; 113 return (1); 114 } 115 wc = *s++ & 0xff; 116 if ((wc > 0x80 && wc < 0xa0) || (wc >= 0xe0 && wc < 0xfd)) { 117 if (n < 2) { 118 /* Incomplete multibyte sequence */ 119 ms->ch = wc; 120 return ((size_t)-2); 121 } 122 if (*s == '\0') { 123 errno = EILSEQ; 124 return ((size_t)-1); 125 } 126 wc = (wc << 8) | (*s++ & 0xff); 127 if (pwc != NULL) 128 *pwc = wc; 129 return (2); 130 } else { 131 if (pwc != NULL) 132 *pwc = wc; 133 return (wc == L'\0' ? 0 : 1); 134 } 135 } 136 137 static size_t 138 _MSKanji_wcrtomb(char * __restrict s, wchar_t wc, mbstate_t * __restrict ps) 139 { 140 _MSKanjiState *ms; 141 int len, i; 142 143 ms = (_MSKanjiState *)ps; 144 145 if (ms->ch != 0) { 146 errno = EINVAL; 147 return ((size_t)-1); 148 } 149 150 if (s == NULL) 151 /* Reset to initial shift state (no-op) */ 152 return (1); 153 len = (wc > 0x100) ? 2 : 1; 154 for (i = len; i-- > 0; ) 155 *s++ = wc >> (i << 3); 156 return (len); 157 } 158