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Commit	Line	Data
	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/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
	52	static size_t _MSKanji_mbrtowc(wchar_t * __restrict, const char * __restrict,
	53	size_t, mbstate_t * __restrict, locale_t);
	54	static int _MSKanji_mbsinit(const mbstate_t *, locale_t);
	55	static size_t _MSKanji_wcrtomb(char * __restrict, wchar_t,
	56	mbstate_t * __restrict, locale_t);
	57
	58	typedef struct {
	59	wchar_t ch;
	60	} _MSKanjiState;
	61
	62	int
	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
	74	static 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
	81	static 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
	139	static 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	}