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/param.h> 40 __FBSDID("$FreeBSD$"); 41 42 #include <errno.h> 43 #include <runetype.h> 44 #include <stdlib.h> 45 #include <string.h> 46 #include <wchar.h> 47 48 extern size_t (*__mbrtowc)(wchar_t * __restrict, const char * __restrict, 49 size_t, mbstate_t * __restrict); 50 extern int (*__mbsinit)(const mbstate_t *); 51 extern size_t (*__wcrtomb)(char * __restrict, wchar_t, mbstate_t * __restrict); 52 53 int _MSKanji_init(_RuneLocale *); 54 size_t _MSKanji_mbrtowc(wchar_t * __restrict, const char * __restrict, size_t, 55 mbstate_t * __restrict); 56 int _MSKanji_mbsinit(const mbstate_t *); 57 size_t _MSKanji_wcrtomb(char * __restrict, wchar_t, mbstate_t * __restrict); 58 59 typedef struct { 60 int count; 61 u_char bytes[2]; 62 } _MSKanjiState; 63 64 int 65 _MSKanji_init(_RuneLocale *rl) 66 { 67 68 __mbrtowc = _MSKanji_mbrtowc; 69 __wcrtomb = _MSKanji_wcrtomb; 70 __mbsinit = _MSKanji_mbsinit; 71 _CurrentRuneLocale = rl; 72 __mb_cur_max = 2; 73 return (0); 74 } 75 76 int 77 _MSKanji_mbsinit(const mbstate_t *ps) 78 { 79 80 return (ps == NULL || ((const _MSKanjiState *)ps)->count == 0); 81 } 82 83 size_t 84 _MSKanji_mbrtowc(wchar_t * __restrict pwc, const char * __restrict s, size_t n, 85 mbstate_t * __restrict ps) 86 { 87 _MSKanjiState *ms; 88 wchar_t wc; 89 int len, ocount; 90 size_t ncopy; 91 92 ms = (_MSKanjiState *)ps; 93 94 if (ms->count < 0 || ms->count > sizeof(ms->bytes)) { 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 ncopy = MIN(MIN(n, MB_CUR_MAX), sizeof(ms->bytes) - ms->count); 106 memcpy(ms->bytes + ms->count, s, ncopy); 107 ocount = ms->count; 108 ms->count += ncopy; 109 s = (char *)ms->bytes; 110 n = ms->count; 111 112 if (n == 0) 113 /* Incomplete multibyte sequence */ 114 return ((size_t)-2); 115 len = 1; 116 wc = *s++ & 0xff; 117 if ((wc > 0x80 && wc < 0xa0) || (wc >= 0xe0 && wc < 0xfd)) { 118 if (n < 2) 119 /* Incomplete multibyte sequence */ 120 return ((size_t)-2); 121 wc = (wc << 8) | (*s++ & 0xff); 122 len = 2; 123 } 124 if (pwc != NULL) 125 *pwc = wc; 126 ms->count = 0; 127 return (wc == L'\0' ? 0 : len - ocount); 128 } 129 130 size_t 131 _MSKanji_wcrtomb(char * __restrict s, wchar_t wc, mbstate_t * __restrict ps) 132 { 133 _MSKanjiState *ms; 134 int len, i; 135 136 ms = (_MSKanjiState *)ps; 137 138 if (ms->count != 0) { 139 errno = EINVAL; 140 return ((size_t)-1); 141 } 142 143 if (s == NULL) 144 /* Reset to initial shift state (no-op) */ 145 return (1); 146 len = (wc > 0x100) ? 2 : 1; 147 for (i = len; i-- > 0; ) 148 *s++ = wc >> (i << 3); 149 return (len); 150 } 151