b6cbf7203b
This patch imports the unmodified current version of NetBSD libc. The NetBSD includes are in /nbsd_include, while the libc code itself is split between lib/nbsd_libc and common/lib/libc.
429 lines
9.9 KiB
C
429 lines
9.9 KiB
C
/* $NetBSD: citrus_euctw.c,v 1.11 2008/06/14 16:01:07 tnozaki Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c)2002 Citrus Project,
|
|
* All rights reserved.
|
|
*
|
|
* 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
|
|
*/
|
|
|
|
/*-
|
|
* Copyright (c)1999 Citrus Project,
|
|
* All rights reserved.
|
|
*
|
|
* 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
|
|
*
|
|
* $Citrus: xpg4dl/FreeBSD/lib/libc/locale/euctw.c,v 1.13 2001/06/21 01:51:44 yamt Exp $
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#if defined(LIBC_SCCS) && !defined(lint)
|
|
__RCSID("$NetBSD: citrus_euctw.c,v 1.11 2008/06/14 16:01:07 tnozaki Exp $");
|
|
#endif /* LIBC_SCCS and not lint */
|
|
|
|
#include <assert.h>
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <stddef.h>
|
|
#include <wchar.h>
|
|
#include <sys/types.h>
|
|
#include <limits.h>
|
|
|
|
#include "citrus_namespace.h"
|
|
#include "citrus_types.h"
|
|
#include "citrus_module.h"
|
|
#include "citrus_ctype.h"
|
|
#include "citrus_stdenc.h"
|
|
#include "citrus_euctw.h"
|
|
|
|
|
|
/* ----------------------------------------------------------------------
|
|
* private stuffs used by templates
|
|
*/
|
|
|
|
typedef struct {
|
|
char ch[4];
|
|
int chlen;
|
|
} _EUCTWState;
|
|
|
|
typedef struct {
|
|
int dummy;
|
|
} _EUCTWEncodingInfo;
|
|
typedef struct {
|
|
_EUCTWEncodingInfo ei;
|
|
struct {
|
|
/* for future multi-locale facility */
|
|
_EUCTWState s_mblen;
|
|
_EUCTWState s_mbrlen;
|
|
_EUCTWState s_mbrtowc;
|
|
_EUCTWState s_mbtowc;
|
|
_EUCTWState s_mbsrtowcs;
|
|
_EUCTWState s_wcrtomb;
|
|
_EUCTWState s_wcsrtombs;
|
|
_EUCTWState s_wctomb;
|
|
} states;
|
|
} _EUCTWCTypeInfo;
|
|
|
|
#define _SS2 0x008e
|
|
#define _SS3 0x008f
|
|
|
|
#define _CEI_TO_EI(_cei_) (&(_cei_)->ei)
|
|
#define _CEI_TO_STATE(_cei_, _func_) (_cei_)->states.s_##_func_
|
|
|
|
#define _FUNCNAME(m) _citrus_EUCTW_##m
|
|
#define _ENCODING_INFO _EUCTWEncodingInfo
|
|
#define _CTYPE_INFO _EUCTWCTypeInfo
|
|
#define _ENCODING_STATE _EUCTWState
|
|
#define _ENCODING_MB_CUR_MAX(_ei_) 4
|
|
#define _ENCODING_IS_STATE_DEPENDENT 0
|
|
#define _STATE_NEEDS_EXPLICIT_INIT(_ps_) 0
|
|
|
|
static __inline int
|
|
_citrus_EUCTW_cs(u_int c)
|
|
{
|
|
c &= 0xff;
|
|
|
|
return ((c & 0x80) ? (c == _SS2 ? 2 : 1) : 0);
|
|
}
|
|
|
|
static __inline int
|
|
_citrus_EUCTW_count(int cs)
|
|
{
|
|
switch (cs) {
|
|
case 0:
|
|
return 1;
|
|
case 1:
|
|
return 2;
|
|
case 2:
|
|
return 4;
|
|
case 3:
|
|
abort();
|
|
/*NOTREACHED*/
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static __inline void
|
|
/*ARGSUSED*/
|
|
_citrus_EUCTW_init_state(_EUCTWEncodingInfo * __restrict ei,
|
|
_EUCTWState * __restrict s)
|
|
{
|
|
memset(s, 0, sizeof(*s));
|
|
}
|
|
|
|
static __inline void
|
|
/*ARGSUSED*/
|
|
_citrus_EUCTW_pack_state(_EUCTWEncodingInfo * __restrict ei,
|
|
void * __restrict pspriv,
|
|
const _EUCTWState * __restrict s)
|
|
{
|
|
memcpy(pspriv, (const void *)s, sizeof(*s));
|
|
}
|
|
|
|
static __inline void
|
|
/*ARGSUSED*/
|
|
_citrus_EUCTW_unpack_state(_EUCTWEncodingInfo * __restrict ei,
|
|
_EUCTWState * __restrict s,
|
|
const void * __restrict pspriv)
|
|
{
|
|
memcpy((void *)s, pspriv, sizeof(*s));
|
|
}
|
|
|
|
static int
|
|
/*ARGSUSED*/
|
|
_citrus_EUCTW_encoding_module_init(_EUCTWEncodingInfo * __restrict ei,
|
|
const void * __restrict var, size_t lenvar)
|
|
{
|
|
|
|
_DIAGASSERT(ei != NULL);
|
|
|
|
memset((void *)ei, 0, sizeof(*ei));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
/*ARGSUSED*/
|
|
_citrus_EUCTW_encoding_module_uninit(_EUCTWEncodingInfo *ei)
|
|
{
|
|
}
|
|
|
|
static int
|
|
_citrus_EUCTW_mbrtowc_priv(_EUCTWEncodingInfo * __restrict ei,
|
|
wchar_t * __restrict pwc,
|
|
const char ** __restrict s,
|
|
size_t n, _EUCTWState * __restrict psenc,
|
|
size_t * __restrict nresult)
|
|
{
|
|
wchar_t wchar;
|
|
int c, cs;
|
|
int chlenbak;
|
|
const char *s0;
|
|
|
|
_DIAGASSERT(nresult != 0);
|
|
_DIAGASSERT(ei != NULL);
|
|
_DIAGASSERT(psenc != NULL);
|
|
_DIAGASSERT(s != NULL);
|
|
|
|
s0 = *s;
|
|
|
|
if (s0 == NULL) {
|
|
_citrus_EUCTW_init_state(ei, psenc);
|
|
*nresult = 0; /* state independent */
|
|
return (0);
|
|
}
|
|
|
|
chlenbak = psenc->chlen;
|
|
|
|
/* make sure we have the first byte in the buffer */
|
|
switch (psenc->chlen) {
|
|
case 0:
|
|
if (n < 1)
|
|
goto restart;
|
|
psenc->ch[0] = *s0++;
|
|
psenc->chlen = 1;
|
|
n--;
|
|
break;
|
|
case 1:
|
|
case 2:
|
|
break;
|
|
default:
|
|
/* illgeal state */
|
|
goto ilseq;
|
|
}
|
|
|
|
c = _citrus_EUCTW_count(cs = _citrus_EUCTW_cs(psenc->ch[0] & 0xff));
|
|
if (c == 0)
|
|
goto ilseq;
|
|
while (psenc->chlen < c) {
|
|
if (n < 1)
|
|
goto ilseq;
|
|
psenc->ch[psenc->chlen] = *s0++;
|
|
psenc->chlen++;
|
|
n--;
|
|
}
|
|
|
|
wchar = 0;
|
|
switch (cs) {
|
|
case 0:
|
|
if (psenc->ch[0] & 0x80)
|
|
goto ilseq;
|
|
wchar = psenc->ch[0] & 0xff;
|
|
break;
|
|
case 1:
|
|
if (!(psenc->ch[0] & 0x80) || !(psenc->ch[1] & 0x80))
|
|
goto ilseq;
|
|
wchar = ((psenc->ch[0] & 0xff) << 8) | (psenc->ch[1] & 0xff);
|
|
wchar |= 'G' << 24;
|
|
break;
|
|
case 2:
|
|
if ((u_char)psenc->ch[1] < 0xa1 || 0xa7 < (u_char)psenc->ch[1])
|
|
goto ilseq;
|
|
if (!(psenc->ch[2] & 0x80) || !(psenc->ch[3] & 0x80))
|
|
goto ilseq;
|
|
wchar = ((psenc->ch[2] & 0xff) << 8) | (psenc->ch[3] & 0xff);
|
|
wchar |= ('G' + psenc->ch[1] - 0xa1) << 24;
|
|
break;
|
|
default:
|
|
goto ilseq;
|
|
}
|
|
|
|
*s = s0;
|
|
psenc->chlen = 0;
|
|
|
|
if (pwc)
|
|
*pwc = wchar;
|
|
|
|
if (!wchar)
|
|
*nresult = 0;
|
|
else
|
|
*nresult = c - chlenbak;
|
|
|
|
return (0);
|
|
|
|
ilseq:
|
|
psenc->chlen = 0;
|
|
*nresult = (size_t)-1;
|
|
return (EILSEQ);
|
|
|
|
restart:
|
|
*s = s0;
|
|
*nresult = (size_t)-1;
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
_citrus_EUCTW_wcrtomb_priv(_EUCTWEncodingInfo * __restrict ei,
|
|
char * __restrict s, size_t n, wchar_t wc,
|
|
_EUCTWState * __restrict psenc,
|
|
size_t * __restrict nresult)
|
|
{
|
|
wchar_t cs = wc & 0x7f000080;
|
|
wchar_t v;
|
|
int i, len, clen, ret;
|
|
|
|
_DIAGASSERT(ei != NULL);
|
|
_DIAGASSERT(nresult != 0);
|
|
_DIAGASSERT(s != NULL);
|
|
|
|
clen = 1;
|
|
if (wc & 0x00007f00)
|
|
clen = 2;
|
|
if ((wc & 0x007f0000) && !(wc & 0x00800000))
|
|
clen = 3;
|
|
|
|
if (clen == 1 && cs == 0x00000000) {
|
|
/* ASCII */
|
|
len = 1;
|
|
if (n < len) {
|
|
ret = E2BIG;
|
|
goto err;
|
|
}
|
|
v = wc & 0x0000007f;
|
|
} else if (clen == 2 && cs == ('G' << 24)) {
|
|
/* CNS-11643-1 */
|
|
len = 2;
|
|
if (n < len) {
|
|
ret = E2BIG;
|
|
goto err;
|
|
}
|
|
v = wc & 0x00007f7f;
|
|
v |= 0x00008080;
|
|
} else if (clen == 2 && 'H' <= (cs >> 24) && (cs >> 24) <= 'M') {
|
|
/* CNS-11643-[2-7] */
|
|
len = 4;
|
|
if (n < len) {
|
|
ret = E2BIG;
|
|
goto err;
|
|
}
|
|
*s++ = _SS2;
|
|
*s++ = (cs >> 24) - 'H' + 0xa2;
|
|
v = wc & 0x00007f7f;
|
|
v |= 0x00008080;
|
|
} else {
|
|
ret = EILSEQ;
|
|
goto err;
|
|
}
|
|
|
|
i = clen;
|
|
while (i-- > 0)
|
|
*s++ = (v >> (i << 3)) & 0xff;
|
|
|
|
*nresult = len;
|
|
return 0;
|
|
|
|
err:
|
|
*nresult = (size_t)-1;
|
|
return ret;
|
|
}
|
|
|
|
static __inline int
|
|
/*ARGSUSED*/
|
|
_citrus_EUCTW_stdenc_wctocs(_EUCTWEncodingInfo * __restrict ei,
|
|
_csid_t * __restrict csid,
|
|
_index_t * __restrict idx, wchar_t wc)
|
|
{
|
|
|
|
_DIAGASSERT(ei != NULL && csid != NULL && idx != NULL);
|
|
|
|
*csid = (_csid_t)(wc >> 24) & 0xFF;
|
|
*idx = (_index_t)(wc & 0x7F7F);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static __inline int
|
|
/*ARGSUSED*/
|
|
_citrus_EUCTW_stdenc_cstowc(_EUCTWEncodingInfo * __restrict ei,
|
|
wchar_t * __restrict wc,
|
|
_csid_t csid, _index_t idx)
|
|
{
|
|
|
|
_DIAGASSERT(ei != NULL && wc != NULL);
|
|
|
|
if (csid==0) {
|
|
if ((idx & ~0x7F) != 0)
|
|
return (EINVAL);
|
|
*wc = (wchar_t)idx;
|
|
} else {
|
|
if (csid < 'G' || csid > 'M' || (idx & ~0x7F7F) != 0)
|
|
return (EINVAL);
|
|
*wc = (wchar_t)idx | ((wchar_t)csid<<24);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
static __inline int
|
|
/*ARGSUSED*/
|
|
_citrus_EUCTW_stdenc_get_state_desc_generic(_EUCTWEncodingInfo * __restrict ei,
|
|
_EUCTWState * __restrict psenc,
|
|
int * __restrict rstate)
|
|
{
|
|
|
|
if (psenc->chlen == 0)
|
|
*rstate = _STDENC_SDGEN_INITIAL;
|
|
else
|
|
*rstate = _STDENC_SDGEN_INCOMPLETE_CHAR;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* ----------------------------------------------------------------------
|
|
* public interface for ctype
|
|
*/
|
|
|
|
_CITRUS_CTYPE_DECLS(EUCTW);
|
|
_CITRUS_CTYPE_DEF_OPS(EUCTW);
|
|
|
|
#include "citrus_ctype_template.h"
|
|
|
|
/* ----------------------------------------------------------------------
|
|
* public interface for stdenc
|
|
*/
|
|
|
|
_CITRUS_STDENC_DECLS(EUCTW);
|
|
_CITRUS_STDENC_DEF_OPS(EUCTW);
|
|
|
|
#include "citrus_stdenc_template.h"
|