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 41 #if defined(LIBC_SCCS) && !defined(lint) 42 static char sccsid[] = "@(#)mskanji.c 1.0 (Phase One) 5/5/95"; 43 #endif /* LIBC_SCCS and not lint */ 44 #include <sys/cdefs.h> 45 __FBSDID("$FreeBSD$"); 46 47 #include <sys/types.h> 48 #include <errno.h> 49 #include <runetype.h> 50 #include <stdlib.h> 51 #include <string.h> 52 #include <wchar.h> 53 #include "mblocal.h" 54 55 extern int __mb_sb_limit; 56 57 static size_t _MSKanji_mbrtowc(wchar_t * __restrict, const char * __restrict, 58 size_t, mbstate_t * __restrict); 59 static int _MSKanji_mbsinit(const mbstate_t *); 60 static size_t _MSKanji_wcrtomb(char * __restrict, wchar_t, 61 mbstate_t * __restrict); 62 63 typedef struct { 64 wchar_t ch; 65 } _MSKanjiState; 66 67 int 68 _MSKanji_init(struct xlocale_ctype *l, _RuneLocale *rl) 69 { 70 71 l->__mbrtowc = _MSKanji_mbrtowc; 72 l->__wcrtomb = _MSKanji_wcrtomb; 73 l->__mbsinit = _MSKanji_mbsinit; 74 l->runes = rl; 75 l->__mb_cur_max = 2; 76 l->__mb_sb_limit = 256; 77 return (0); 78 } 79 80 static int 81 _MSKanji_mbsinit(const mbstate_t *ps) 82 { 83 84 return (ps == NULL || ((const _MSKanjiState *)ps)->ch == 0); 85 } 86 87 static size_t 88 _MSKanji_mbrtowc(wchar_t * __restrict pwc, const char * __restrict s, size_t n, 89 mbstate_t * __restrict ps) 90 { 91 _MSKanjiState *ms; 92 wchar_t wc; 93 94 ms = (_MSKanjiState *)ps; 95 96 if ((ms->ch & ~0xFF) != 0) { 97 /* Bad conversion state. */ 98 errno = EINVAL; 99 return ((size_t)-1); 100 } 101 102 if (s == NULL) { 103 s = ""; 104 n = 1; 105 pwc = NULL; 106 } 107 108 if (n == 0) 109 /* Incomplete multibyte sequence */ 110 return ((size_t)-2); 111 112 if (ms->ch != 0) { 113 if (*s == '\0') { 114 errno = EILSEQ; 115 return ((size_t)-1); 116 } 117 wc = (ms->ch << 8) | (*s & 0xFF); 118 if (pwc != NULL) 119 *pwc = wc; 120 ms->ch = 0; 121 return (1); 122 } 123 wc = *s++ & 0xff; 124 if ((wc > 0x80 && wc < 0xa0) || (wc >= 0xe0 && wc < 0xfd)) { 125 if (n < 2) { 126 /* Incomplete multibyte sequence */ 127 ms->ch = wc; 128 return ((size_t)-2); 129 } 130 if (*s == '\0') { 131 errno = EILSEQ; 132 return ((size_t)-1); 133 } 134 wc = (wc << 8) | (*s++ & 0xff); 135 if (pwc != NULL) 136 *pwc = wc; 137 return (2); 138 } else { 139 if (pwc != NULL) 140 *pwc = wc; 141 return (wc == L'\0' ? 0 : 1); 142 } 143 } 144 145 static size_t 146 _MSKanji_wcrtomb(char * __restrict s, wchar_t wc, mbstate_t * __restrict ps) 147 { 148 _MSKanjiState *ms; 149 int len, i; 150 151 ms = (_MSKanjiState *)ps; 152 153 if (ms->ch != 0) { 154 errno = EINVAL; 155 return ((size_t)-1); 156 } 157 158 if (s == NULL) 159 /* Reset to initial shift state (no-op) */ 160 return (1); 161 len = (wc > 0x100) ? 2 : 1; 162 for (i = len; i-- > 0; ) 163 *s++ = wc >> (i << 3); 164 return (len); 165 } 166