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) 37static 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: src/lib/libc/locale/mskanji.c,v 1.18 2007/10/13 16:28:22 ache Exp $"); 41 42#include "xlocale_private.h" 43 44#include <sys/types.h> 45#include <errno.h> 46#include <runetype.h> 47#include <stdlib.h> 48#include <string.h> 49#include <wchar.h> 50#include "mblocal.h" 51 52static size_t _MSKanji_mbrtowc(wchar_t * __restrict, const char * __restrict, 53 size_t, mbstate_t * __restrict, locale_t); 54static int _MSKanji_mbsinit(const mbstate_t *, locale_t); 55static size_t _MSKanji_wcrtomb(char * __restrict, wchar_t, 56 mbstate_t * __restrict, locale_t); 57 58typedef struct { 59 wchar_t ch; 60} _MSKanjiState; 61 62int 63_MSKanji_init(struct __xlocale_st_runelocale *xrl) 64{ 65 66 xrl->__mbrtowc = _MSKanji_mbrtowc; 67 xrl->__wcrtomb = _MSKanji_wcrtomb; 68 xrl->__mbsinit = _MSKanji_mbsinit; 69 xrl->__mb_cur_max = 2; 70 xrl->__mb_sb_limit = 256; 71 return (0); 72} 73 74static int 75_MSKanji_mbsinit(const mbstate_t *ps, locale_t loc __unused) 76{ 77 78 return (ps == NULL || ((const _MSKanjiState *)ps)->ch == 0); 79} 80 81static size_t 82_MSKanji_mbrtowc(wchar_t * __restrict pwc, const char * __restrict s, size_t n, 83 mbstate_t * __restrict ps, locale_t loc __unused) 84{ 85 _MSKanjiState *ms; 86 wchar_t wc; 87 88 ms = (_MSKanjiState *)ps; 89 90 if ((ms->ch & ~0xFF) != 0) { 91 /* Bad conversion state. */ 92 errno = EINVAL; 93 return ((size_t)-1); 94 } 95 96 if (s == NULL) { 97 s = ""; 98 n = 1; 99 pwc = NULL; 100 } 101 102 if (n == 0) 103 /* Incomplete multibyte sequence */ 104 return ((size_t)-2); 105 106 if (ms->ch != 0) { 107 if (*s == '\0') { 108 errno = EILSEQ; 109 return ((size_t)-1); 110 } 111 wc = (ms->ch << 8) | (*s & 0xFF); 112 if (pwc != NULL) 113 *pwc = wc; 114 ms->ch = 0; 115 return (1); 116 } 117 wc = *s++ & 0xff; 118 if ((wc > 0x80 && wc < 0xa0) || (wc >= 0xe0 && wc < 0xfd)) { 119 if (n < 2) { 120 /* Incomplete multibyte sequence */ 121 ms->ch = wc; 122 return ((size_t)-2); 123 } 124 if (*s == '\0') { 125 errno = EILSEQ; 126 return ((size_t)-1); 127 } 128 wc = (wc << 8) | (*s++ & 0xff); 129 if (pwc != NULL) 130 *pwc = wc; 131 return (2); 132 } else { 133 if (pwc != NULL) 134 *pwc = wc; 135 return (wc == L'\0' ? 0 : 1); 136 } 137} 138 139static size_t 140_MSKanji_wcrtomb(char * __restrict s, wchar_t wc, mbstate_t * __restrict ps, locale_t loc __unused) 141{ 142 _MSKanjiState *ms; 143 int len, i; 144 145 ms = (_MSKanjiState *)ps; 146 147 if (ms->ch != 0) { 148 errno = EINVAL; 149 return ((size_t)-1); 150 } 151 152 if (s == NULL) 153 /* Reset to initial shift state (no-op) */ 154 return (1); 155 len = (wc > 0x100) ? 2 : 1; 156 for (i = len; i-- > 0; ) 157 *s++ = wc >> (i << 3); 158 return (len); 159} 160