1 /*- 2 * SPDX-License-Identifier: BSD-4-Clause 3 * 4 * Copyright 2013 Garrett D'Amore <garrett@damore.org> 5 * Copyright 2010 Nexenta Systems, Inc. All rights reserved. 6 * Copyright (c) 2002-2004 Tim J. Robbins. All rights reserved. 7 * 8 * ja_JP.SJIS locale table for BSD4.4/rune 9 * version 1.0 10 * (C) Sin'ichiro MIYATANI / Phase One, Inc 11 * May 12, 1995 12 * 13 * Copyright (c) 2011 The FreeBSD Foundation 14 * 15 * Portions of this software were developed by David Chisnall 16 * under sponsorship from the FreeBSD Foundation. 17 * 18 * Redistribution and use in source and binary forms, with or without 19 * modification, are permitted provided that the following conditions 20 * are met: 21 * 1. Redistributions of source code must retain the above copyright 22 * notice, this list of conditions and the following disclaimer. 23 * 2. Redistributions in binary form must reproduce the above copyright 24 * notice, this list of conditions and the following disclaimer in the 25 * documentation and/or other materials provided with the distribution. 26 * 3. All advertising materials mentioning features or use of this software 27 * must display the following acknowledgement: 28 * This product includes software developed by Phase One, Inc. 29 * 4. The name of Phase One, Inc. may be used to endorse or promote products 30 * derived from this software without specific prior written permission. 31 * 32 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 33 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 34 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 35 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 36 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 37 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 38 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 39 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 40 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 41 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 42 * SUCH DAMAGE. 43 */ 44 45 #if defined(LIBC_SCCS) && !defined(lint) 46 static char sccsid[] = "@(#)mskanji.c 1.0 (Phase One) 5/5/95"; 47 #endif /* LIBC_SCCS and not lint */ 48 #include <sys/cdefs.h> 49 __FBSDID("$FreeBSD$"); 50 51 #include <sys/types.h> 52 #include <errno.h> 53 #include <runetype.h> 54 #include <stdlib.h> 55 #include <string.h> 56 #include <wchar.h> 57 #include "mblocal.h" 58 59 extern int __mb_sb_limit; 60 61 static size_t _MSKanji_mbrtowc(wchar_t * __restrict, const char * __restrict, 62 size_t, mbstate_t * __restrict); 63 static int _MSKanji_mbsinit(const mbstate_t *); 64 static size_t _MSKanji_wcrtomb(char * __restrict, wchar_t, 65 mbstate_t * __restrict); 66 static size_t _MSKanji_mbsnrtowcs(wchar_t * __restrict, 67 const char ** __restrict, size_t, size_t, 68 mbstate_t * __restrict); 69 static size_t _MSKanji_wcsnrtombs(char * __restrict, 70 const wchar_t ** __restrict, size_t, size_t, 71 mbstate_t * __restrict); 72 73 typedef struct { 74 wchar_t ch; 75 } _MSKanjiState; 76 77 int 78 _MSKanji_init(struct xlocale_ctype *l, _RuneLocale *rl) 79 { 80 81 l->__mbrtowc = _MSKanji_mbrtowc; 82 l->__wcrtomb = _MSKanji_wcrtomb; 83 l->__mbsnrtowcs = _MSKanji_mbsnrtowcs; 84 l->__wcsnrtombs = _MSKanji_wcsnrtombs; 85 l->__mbsinit = _MSKanji_mbsinit; 86 l->runes = rl; 87 l->__mb_cur_max = 2; 88 l->__mb_sb_limit = 224; 89 return (0); 90 } 91 92 static int 93 _MSKanji_mbsinit(const mbstate_t *ps) 94 { 95 96 return (ps == NULL || ((const _MSKanjiState *)ps)->ch == 0); 97 } 98 99 static size_t 100 _MSKanji_mbrtowc(wchar_t * __restrict pwc, const char * __restrict s, size_t n, 101 mbstate_t * __restrict ps) 102 { 103 _MSKanjiState *ms; 104 wchar_t wc; 105 106 ms = (_MSKanjiState *)ps; 107 108 if ((ms->ch & ~0xFF) != 0) { 109 /* Bad conversion state. */ 110 errno = EINVAL; 111 return ((size_t)-1); 112 } 113 114 if (s == NULL) { 115 s = ""; 116 n = 1; 117 pwc = NULL; 118 } 119 120 if (n == 0) 121 /* Incomplete multibyte sequence */ 122 return ((size_t)-2); 123 124 if (ms->ch != 0) { 125 if (*s == '\0') { 126 errno = EILSEQ; 127 return ((size_t)-1); 128 } 129 wc = (ms->ch << 8) | (*s & 0xFF); 130 if (pwc != NULL) 131 *pwc = wc; 132 ms->ch = 0; 133 return (1); 134 } 135 wc = *s++ & 0xff; 136 if ((wc > 0x80 && wc < 0xa0) || (wc >= 0xe0 && wc < 0xfd)) { 137 if (n < 2) { 138 /* Incomplete multibyte sequence */ 139 ms->ch = wc; 140 return ((size_t)-2); 141 } 142 if (*s == '\0') { 143 errno = EILSEQ; 144 return ((size_t)-1); 145 } 146 wc = (wc << 8) | (*s++ & 0xff); 147 if (pwc != NULL) 148 *pwc = wc; 149 return (2); 150 } else { 151 if (pwc != NULL) 152 *pwc = wc; 153 return (wc == L'\0' ? 0 : 1); 154 } 155 } 156 157 static size_t 158 _MSKanji_wcrtomb(char * __restrict s, wchar_t wc, mbstate_t * __restrict ps) 159 { 160 _MSKanjiState *ms; 161 int len, i; 162 163 ms = (_MSKanjiState *)ps; 164 165 if (ms->ch != 0) { 166 errno = EINVAL; 167 return ((size_t)-1); 168 } 169 170 if (s == NULL) 171 /* Reset to initial shift state (no-op) */ 172 return (1); 173 len = (wc > 0x100) ? 2 : 1; 174 for (i = len; i-- > 0; ) 175 *s++ = wc >> (i << 3); 176 return (len); 177 } 178 179 static size_t 180 _MSKanji_mbsnrtowcs(wchar_t * __restrict dst, 181 const char ** __restrict src, size_t nms, 182 size_t len, mbstate_t * __restrict ps) 183 { 184 return (__mbsnrtowcs_std(dst, src, nms, len, ps, _MSKanji_mbrtowc)); 185 } 186 187 static size_t 188 _MSKanji_wcsnrtombs(char * __restrict dst, 189 const wchar_t ** __restrict src, size_t nwc, 190 size_t len, mbstate_t * __restrict ps) 191 { 192 return (__wcsnrtombs_std(dst, src, nwc, len, ps, _MSKanji_wcrtomb)); 193 } 194