138 lines
4.0 KiB
C
138 lines
4.0 KiB
C
/*
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* Copyright (c) 2002-2004 Tim J. Robbins. All rights reserved.
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*
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* ja_JP.SJIS locale table for BSD4.4/rune
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* version 1.0
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* (C) Sin'ichiro MIYATANI / Phase One, Inc
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* May 12, 1995
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Phase One, Inc.
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* 4. The name of Phase One, Inc. may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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static char sccsid[] = "@(#)mskanji.c 1.0 (Phase One) 5/5/95";
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#endif /* LIBC_SCCS and not lint */
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#include <sys/param.h>
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__FBSDID("$FreeBSD$");
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#include <runetype.h>
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#include <stdlib.h>
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#include <string.h>
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#include <wchar.h>
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extern size_t (*__mbrtowc)(wchar_t * __restrict, const char * __restrict,
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size_t, mbstate_t * __restrict);
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extern int (*__mbsinit)(const mbstate_t *);
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extern size_t (*__wcrtomb)(char * __restrict, wchar_t, mbstate_t * __restrict);
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int _MSKanji_init(_RuneLocale *);
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size_t _MSKanji_mbrtowc(wchar_t * __restrict, const char * __restrict, size_t,
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mbstate_t * __restrict);
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int _MSKanji_mbsinit(const mbstate_t *);
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size_t _MSKanji_wcrtomb(char * __restrict, wchar_t, mbstate_t * __restrict);
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typedef struct {
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int count;
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u_char bytes[2];
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} _MSKanjiState;
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int
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_MSKanji_init(_RuneLocale *rl)
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{
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__mbrtowc = _MSKanji_mbrtowc;
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__wcrtomb = _MSKanji_wcrtomb;
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__mbsinit = _MSKanji_mbsinit;
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_CurrentRuneLocale = rl;
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__mb_cur_max = 2;
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return (0);
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}
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int
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_MSKanji_mbsinit(const mbstate_t *ps)
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{
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return (ps == NULL || ((const _MSKanjiState *)ps)->count == 0);
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}
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size_t
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_MSKanji_mbrtowc(wchar_t * __restrict pwc, const char * __restrict s, size_t n,
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mbstate_t * __restrict ps)
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{
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_MSKanjiState *ms;
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wchar_t wc;
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int len, ocount;
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size_t ncopy;
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ms = (_MSKanjiState *)ps;
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if (s == NULL) {
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s = "";
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n = 1;
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pwc = NULL;
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}
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ncopy = MIN(MIN(n, MB_CUR_MAX), sizeof(ms->bytes) - ms->count);
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memcpy(ms->bytes + ms->count, s, ncopy);
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ocount = ms->count;
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ms->count += ncopy;
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s = (char *)ms->bytes;
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n = ms->count;
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if (n == 0)
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/* Incomplete multibyte sequence */
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return ((size_t)-2);
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len = 1;
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wc = *s++ & 0xff;
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if ((wc > 0x80 && wc < 0xa0) || (wc >= 0xe0 && wc < 0xfd)) {
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if (n < 2)
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/* Incomplete multibyte sequence */
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return ((size_t)-2);
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wc = (wc << 8) | (*s++ & 0xff);
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len = 2;
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}
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if (pwc != NULL)
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*pwc = wc;
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ms->count = 0;
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return (wc == L'\0' ? 0 : len - ocount);
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}
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size_t
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_MSKanji_wcrtomb(char * __restrict s, wchar_t wc,
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mbstate_t * __restrict ps __unused)
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{
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int len, i;
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if (s == NULL)
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/* Reset to initial shift state (no-op) */
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return (1);
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len = (wc > 0x100) ? 2 : 1;
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for (i = len; i-- > 0; )
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*s++ = wc >> (i << 3);
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return (len);
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}
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