port/locale/mskanji.c

4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore/*
2d08521bd15501c8370ba2153b9cca4f094979d0Garrett D'Amore * Copyright 2013 Garrett D'Amore <garrett@damore.org>
6b5e5868e7ebf1aff3a5abd7d0c4ef0e5fbf3648Garrett D'Amore * Copyright 2010 Nexenta Systems, Inc.  All rights reserved.
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * Copyright (c) 2002-2004 Tim J. Robbins. All rights reserved.
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore *
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore *    ja_JP.SJIS locale table for BSD4.4/rune
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore *    version 1.0
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore *    (C) Sin'ichiro MIYATANI / Phase One, Inc
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore *    May 12, 1995
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore *
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * Redistribution and use in source and binary forms, with or without
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * modification, are permitted provided that the following conditions
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * are met:
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * 1. Redistributions of source code must retain the above copyright
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore *    notice, this list of conditions and the following disclaimer.
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * 2. Redistributions in binary form must reproduce the above copyright
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore *    notice, this list of conditions and the following disclaimer in the
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore *    documentation and/or other materials provided with the distribution.
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * 3. All advertising materials mentioning features or use of this software
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore *    must display the following acknowledgement:
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore *      This product includes software developed by Phase One, Inc.
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * 4. The name of Phase One, Inc. may be used to endorse or promote products
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore *    derived from this software without specific prior written permission.
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore *
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore * SUCH DAMAGE.
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore */
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore#include "lint.h"
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore#include <sys/types.h>
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore#include <errno.h>
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore#include <stdlib.h>
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore#include <string.h>
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore#include <wchar.h>
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore#include "mblocal.h"
2d08521bd15501c8370ba2153b9cca4f094979d0Garrett D'Amore#include "lctype.h"
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amorestatic size_t   _MSKanji_mbrtowc(wchar_t *_RESTRICT_KYWD,
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore            const char *_RESTRICT_KYWD,
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore            size_t, mbstate_t *_RESTRICT_KYWD);
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amorestatic int  _MSKanji_mbsinit(const mbstate_t *);
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amorestatic size_t   _MSKanji_wcrtomb(char *_RESTRICT_KYWD, wchar_t,
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore            mbstate_t *_RESTRICT_KYWD);
2d08521bd15501c8370ba2153b9cca4f094979d0Garrett D'Amorestatic size_t   _MSKanji_mbsnrtowcs(wchar_t *_RESTRICT_KYWD,
2d08521bd15501c8370ba2153b9cca4f094979d0Garrett D'Amore            const char **_RESTRICT_KYWD, size_t, size_t,
2d08521bd15501c8370ba2153b9cca4f094979d0Garrett D'Amore            mbstate_t *_RESTRICT_KYWD);
2d08521bd15501c8370ba2153b9cca4f094979d0Garrett D'Amorestatic size_t   _MSKanji_wcsnrtombs(char *_RESTRICT_KYWD,
2d08521bd15501c8370ba2153b9cca4f094979d0Garrett D'Amore            const wchar_t **_RESTRICT_KYWD, size_t, size_t,
2d08521bd15501c8370ba2153b9cca4f094979d0Garrett D'Amore            mbstate_t *_RESTRICT_KYWD);
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amoretypedef struct {
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore    wchar_t ch;
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore} _MSKanjiState;
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore
2d08521bd15501c8370ba2153b9cca4f094979d0Garrett D'Amorevoid
2d08521bd15501c8370ba2153b9cca4f094979d0Garrett D'Amore_MSKanji_init(struct lc_ctype *lct)
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore{
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore
2d08521bd15501c8370ba2153b9cca4f094979d0Garrett D'Amore    lct->lc_mbrtowc = _MSKanji_mbrtowc;
2d08521bd15501c8370ba2153b9cca4f094979d0Garrett D'Amore    lct->lc_wcrtomb = _MSKanji_wcrtomb;
2d08521bd15501c8370ba2153b9cca4f094979d0Garrett D'Amore    lct->lc_mbsnrtowcs = _MSKanji_mbsnrtowcs;
2d08521bd15501c8370ba2153b9cca4f094979d0Garrett D'Amore    lct->lc_wcsnrtombs = _MSKanji_wcsnrtombs;
2d08521bd15501c8370ba2153b9cca4f094979d0Garrett D'Amore    lct->lc_mbsinit = _MSKanji_mbsinit;
2d08521bd15501c8370ba2153b9cca4f094979d0Garrett D'Amore    lct->lc_max_mblen = 2;
2d08521bd15501c8370ba2153b9cca4f094979d0Garrett D'Amore    lct->lc_is_ascii = 0;
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore}
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amorestatic int
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore_MSKanji_mbsinit(const mbstate_t *ps)
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore{
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore    return (ps == NULL || ((const _MSKanjiState *)ps)->ch == 0);
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore}
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amorestatic size_t
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore_MSKanji_mbrtowc(wchar_t *_RESTRICT_KYWD pwc, const char *_RESTRICT_KYWD s,
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore    size_t n, mbstate_t *_RESTRICT_KYWD ps)
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore{
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore    _MSKanjiState *ms;
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore    wchar_t wc;
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore    ms = (_MSKanjiState *)ps;
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore    if ((ms->ch & ~0xFF) != 0) {
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore        /* Bad conversion state. */
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore        errno = EINVAL;
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore        return ((size_t)-1);
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore    }
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore    if (s == NULL) {
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore        s = "";
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore        n = 1;
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore        pwc = NULL;
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore    }
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore    if (n == 0)
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore        /* Incomplete multibyte sequence */
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore        return ((size_t)-2);
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore    if (ms->ch != 0) {
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore        if (*s == '\0') {
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore            errno = EILSEQ;
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore            return ((size_t)-1);
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore        }
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore        wc = (ms->ch << 8) | (*s & 0xFF);
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore        if (pwc != NULL)
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore            *pwc = wc;
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore        ms->ch = 0;
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore        return (1);
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore    }
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore    wc = *s++ & 0xff;
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore    if ((wc > 0x80 && wc < 0xa0) || (wc >= 0xe0 && wc < 0xfd)) {
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore        if (n < 2) {
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore            /* Incomplete multibyte sequence */
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore            ms->ch = wc;
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore            return ((size_t)-2);
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore        }
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore        if (*s == '\0') {
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore            errno = EILSEQ;
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore            return ((size_t)-1);
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore        }
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore        wc = (wc << 8) | (*s++ & 0xff);
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore        if (pwc != NULL)
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore            *pwc = wc;
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore        return (2);
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore    } else {
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore        if (pwc != NULL)
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore            *pwc = wc;
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore        return (wc == L'\0' ? 0 : 1);
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore    }
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore}
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amorestatic size_t
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore_MSKanji_wcrtomb(char *_RESTRICT_KYWD s, wchar_t wc,
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore    mbstate_t *_RESTRICT_KYWD ps)
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore{
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore    _MSKanjiState *ms;
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore    int len, i;
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore    ms = (_MSKanjiState *)ps;
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore    if (ms->ch != 0) {
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore        errno = EINVAL;
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore        return ((size_t)-1);
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore    }
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore    if (s == NULL)
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore        /* Reset to initial shift state (no-op) */
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore        return (1);
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore    len = (wc > 0x100) ? 2 : 1;
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore    for (i = len; i-- > 0; )
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore        *s++ = wc >> (i << 3);
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore    return (len);
4297a3b0d0a35d80f86fff155e288e885a100e6dGarrett D'Amore}
2d08521bd15501c8370ba2153b9cca4f094979d0Garrett D'Amore
2d08521bd15501c8370ba2153b9cca4f094979d0Garrett D'Amorestatic size_t
2d08521bd15501c8370ba2153b9cca4f094979d0Garrett D'Amore_MSKanji_mbsnrtowcs(wchar_t *_RESTRICT_KYWD dst,
2d08521bd15501c8370ba2153b9cca4f094979d0Garrett D'Amore    const char **_RESTRICT_KYWD src, size_t nms,
2d08521bd15501c8370ba2153b9cca4f094979d0Garrett D'Amore    size_t len, mbstate_t *_RESTRICT_KYWD ps)
2d08521bd15501c8370ba2153b9cca4f094979d0Garrett D'Amore{
2d08521bd15501c8370ba2153b9cca4f094979d0Garrett D'Amore    return (__mbsnrtowcs_std(dst, src, nms, len, ps, _MSKanji_mbrtowc));
2d08521bd15501c8370ba2153b9cca4f094979d0Garrett D'Amore}
2d08521bd15501c8370ba2153b9cca4f094979d0Garrett D'Amore
2d08521bd15501c8370ba2153b9cca4f094979d0Garrett D'Amorestatic size_t
2d08521bd15501c8370ba2153b9cca4f094979d0Garrett D'Amore_MSKanji_wcsnrtombs(char *_RESTRICT_KYWD dst,
2d08521bd15501c8370ba2153b9cca4f094979d0Garrett D'Amore    const wchar_t **_RESTRICT_KYWD src, size_t nwc,
2d08521bd15501c8370ba2153b9cca4f094979d0Garrett D'Amore    size_t len, mbstate_t *_RESTRICT_KYWD ps)
2d08521bd15501c8370ba2153b9cca4f094979d0Garrett D'Amore{
2d08521bd15501c8370ba2153b9cca4f094979d0Garrett D'Amore    return (__wcsnrtombs_std(dst, src, nwc, len, ps, _MSKanji_wcrtomb));
2d08521bd15501c8370ba2153b9cca4f094979d0Garrett D'Amore}