/* $NetBSD: mskanji.c,v 1.8 2001/06/21 02:20:24 yamt Exp $ */ /* * ja_JP.SJIS locale table for BSD4.4/rune * version 1.0 * (C) Sin'ichiro MIYATANI / Phase One, Inc * May 12, 1995 * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Phase One, Inc. * 4. The name of Phase One, Inc. may be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include #if defined(LIBC_SCCS) && !defined(lint) #if 0 static char sccsid[] = "@(#)mskanji.c 1.0 (Phase One) 5/5/95"; #else __RCSID("$NetBSD: mskanji.c,v 1.8 2001/06/21 02:20:24 yamt Exp $"); #endif #endif /* LIBC_SCCS and not lint */ #include #include #include #include "rune.h" #include #include #include #include static int _mskanji1 __P((int)); static int _mskanji2 __P((int)); const char *_MSKanji_magic __P((void)); int _MSKanji_init __P((_RuneLocale *)); size_t _MSKanji_mbrtowc __P((struct _RuneLocale *, rune_t *, const char *, size_t, void *)); size_t _MSKanji_wcrtomb __P((struct _RuneLocale *, char *, size_t, const rune_t, void *)); void _MSKanji_initstate __P((_RuneLocale *, void *)); void _MSKanji_packstate __P((_RuneLocale *, mbstate_t *, void *)); void _MSKanji_unpackstate __P((_RuneLocale *, void *, const mbstate_t *)); typedef struct { void *runelocale; /* reserved for future thread-safeness */ char ch[2]; int chlen; } _MSKanjiState; static _RuneState _MSKanji_RuneState = { sizeof(_MSKanjiState), /* sizestate */ _MSKanji_initstate, /* initstate */ _MSKanji_packstate, /* packstate */ _MSKanji_unpackstate /* unpackstate */ }; static int _mskanji1(c) int c; { if ((c >= 0x81 && c <= 0x9f) || (c >= 0xe0 && c <= 0xef)) return 1; else return 0; } static int _mskanji2(c) int c; { if ((c >= 0x40 && c <= 0x7e) || (c >= 0x80 && c <= 0xfc)) return 1; else return 0; } const char * _MSKanji_magic() { return _RUNE_MODULE_1("LC_CTYPE"); } int _MSKanji_init(rl) _RuneLocale *rl; { _DIAGASSERT(rl != NULL); /* sanity check to avoid overruns */ if (sizeof(_MSKanjiState) > sizeof(mbstate_t)) return (EINVAL); rl->__rune_mbrtowc = _MSKanji_mbrtowc; rl->__rune_wcrtomb = _MSKanji_wcrtomb; rl->__rune_RuneState = &_MSKanji_RuneState; rl->__rune_mb_cur_max = 2; return (0); } /* s is non-null */ size_t _MSKanji_mbrtowc(rl, pwcs, s, n, state) _RuneLocale *rl; rune_t *pwcs; const char *s; size_t n; void *state; { _MSKanjiState *ps; rune_t rune; int len; int chlenbak; /* rl appears to be unused */ /* pwcs may be NULL */ _DIAGASSERT(s != NULL); _DIAGASSERT(state != NULL); ps = state; chlenbak = ps->chlen; /* make sure we have the first byte in the buffer */ switch (ps->chlen) { case 0: if (n < 1) return (size_t)-2; ps->ch[0] = *s++; ps->chlen = 1; n--; break; case 1: break; default: /* illegal state */ goto encoding_error; } len = _mskanji1(ps->ch[0] & 0xff) ? 2 : 1; while (ps->chlen < len) { if (n < 1) return (size_t)-2; ps->ch[ps->chlen] = *s++; ps->chlen++; n--; } switch (len) { case 1: rune = ps->ch[0] & 0xff; break; case 2: if (!_mskanji2(ps->ch[1] & 0xff)) goto encoding_error; rune = ((ps->ch[0] & 0xff) << 8) | (ps->ch[1] & 0xff); break; default: /* illegal state */ goto encoding_error; } ps->chlen = 0; if (pwcs) *pwcs = rune; if (!rune) return 0; else return len - chlenbak; encoding_error: ps->chlen = 0; return (size_t)-1; } /* s is non-null */ size_t _MSKanji_wcrtomb(rl, s, n, wc, state) _RuneLocale *rl; char *s; size_t n; const rune_t wc; void *state; { /* rl appears to be unused */ _DIAGASSERT(s != NULL); _DIAGASSERT(state != NULL); /* check invalid sequence */ if (wc & ~0xffff) { errno = EILSEQ; return (size_t)-1; } if (wc & 0xff00) { if (n < 2) { /* bound check failure */ errno = EILSEQ; /*XXX*/ return (size_t)-1; } s[0] = (wc >> 8) & 0xff; s[1] = wc & 0xff; if (!_mskanji1(s[0] & 0xff) || !_mskanji2(s[1] & 0xff)) { errno = EILSEQ; return (size_t)-1; } return 2; } else { s[0] = wc & 0xff; if (_mskanji1(s[0] & 0xff)) { errno = EILSEQ; return (size_t)-1; } return 1; } } void _MSKanji_initstate(rl, s) _RuneLocale *rl; void *s; { _MSKanjiState *state; /* rl appears to be unused */ if (!s) return; state = s; memset(state, 0, sizeof(_MSKanjiState)); } void _MSKanji_packstate(rl, dst, src) _RuneLocale *rl; mbstate_t *dst; void* src; { /* rl appears to be unused */ _DIAGASSERT(dst != NULL); _DIAGASSERT(src != NULL); memcpy((caddr_t)dst, (caddr_t)src, sizeof(_MSKanjiState)); return; } void _MSKanji_unpackstate(rl, dst, src) _RuneLocale *rl; void* dst; const mbstate_t *src; { /* rl appears to be unused */ _DIAGASSERT(dst != NULL); _DIAGASSERT(src != NULL); memcpy((caddr_t)dst, (caddr_t)src, sizeof(_MSKanjiState)); return; }