/src/dcmtk/oficonv/libsrc/citrus_euctw.c

Source
/*-
 * 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.
 *
 */

#include "dcmtk/config/osconfig.h"
#include "citrus_euctw.h"

#include <sys/types.h>
#include <errno.h>
#include <limits.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <wchar.h>

#include "citrus_bcs.h"
#include "citrus_types.h"
#include "citrus_module.h"
#include "citrus_stdenc.h"


/* ----------------------------------------------------------------------
 * private stuffs used by templates
 */

typedef struct {
    int  chlen;
    char     ch[4];
} _EUCTWState;

typedef struct {
    int  dummy;
} _EUCTWEncodingInfo;

#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 _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(unsigned int c)
{

    c &= 0xff;

    return ((c & 0x80) ? (c == _SS2 ? 2 : 1) : 0);
}

static __inline int
_citrus_EUCTW_count(int cs)
{

    switch (cs) {
    case 0:
        /*FALLTHROUGH*/
    case 1:
        /*FALLTHROUGH*/
    case 2:
        return (1 << cs);
    case 3:
        abort();
        /*NOTREACHED*/
    }
    return (0);
}

static __inline void
/*ARGSUSED*/
_citrus_EUCTW_init_state(_EUCTWEncodingInfo * ei ,
    _EUCTWState * s)
{
    (void) ei;
    memset(s, 0, sizeof(*s));
}

static int
/*ARGSUSED*/
_citrus_EUCTW_encoding_module_init(_EUCTWEncodingInfo * ei,
    const void * var , size_t lenvar )
{
    (void) var;
    (void) lenvar;
    memset((void *)ei, 0, sizeof(*ei));

    return (0);
}

static void
/*ARGSUSED*/
_citrus_EUCTW_encoding_module_uninit(_EUCTWEncodingInfo *ei )
{
    (void) ei;
}

static int
_citrus_EUCTW_mbrtowc_priv(_EUCTWEncodingInfo * ei,
    _citrus_wc_t * pwc, char ** s,
    size_t n, _EUCTWState * psenc, size_t * nresult)
{
    char *s0;
    _citrus_wc_t wchar;
    int c, chlenbak, cs;

    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 ((unsigned char)psenc->ch[1] < 0xa1 ||
            0xa7 < (unsigned 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;
    *nresult = wchar ? c - chlenbak : 0;
    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 * ei ,
    char * s, size_t n, _citrus_wc_t wc,
    _EUCTWState * psenc , size_t * nresult)
{
    _citrus_wc_t cs, v;
    int clen, i, ret;
    size_t len;
    (void) ei;
    (void) psenc;

    cs = wc & 0x7f000080;
    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 * ei ,
    _citrus_csid_t * csid, _citrus_index_t * idx, _citrus_wc_t wc)
{
    (void) ei;

    *csid = (_citrus_csid_t)(wc >> 24) & 0xFF;
    *idx  = (_citrus_index_t)(wc & 0x7F7F);

    return (0);
}

static __inline int
/*ARGSUSED*/
_citrus_EUCTW_stdenc_cstowc(_EUCTWEncodingInfo * ei ,
    _citrus_wc_t * wc, _citrus_csid_t csid, _citrus_index_t idx)
{
    (void) ei;

    if (csid == 0) {
        if ((idx & ~0x7F) != 0)
            return (EINVAL);
        *wc = (_citrus_wc_t)idx;
    } else {
        if (csid < 'G' || csid > 'M' || (idx & ~0x7F7F) != 0)
            return (EINVAL);
        *wc = (_citrus_wc_t)idx | ((_citrus_wc_t)csid << 24);
    }

    return (0);
}

static __inline int
/*ARGSUSED*/
_citrus_EUCTW_stdenc_get_state_desc_generic(_EUCTWEncodingInfo * ei ,
    _EUCTWState * psenc, int * rstate)
{
    (void) ei;

    *rstate = (psenc->chlen == 0) ? _CITRUS_STDENC_SDGEN_INITIAL :
        _CITRUS_STDENC_SDGEN_INCOMPLETE_CHAR;
    return (0);
}

/* ----------------------------------------------------------------------
 * public interface for stdenc
 */

_CITRUS_STDENC_DECLS(EUCTW);
_CITRUS_STDENC_DEF_OPS(EUCTW);

#include "citrus_stdenc_template.h"

Coverage Report

Created: 2026-09-28 07:04

Line	Count	Source
1		/*-
2		* Copyright (c)2002 Citrus Project,
3		* All rights reserved.
4		*
5		* Redistribution and use in source and binary forms, with or without
6		* modification, are permitted provided that the following conditions
7		* are met:
8		* 1. Redistributions of source code must retain the above copyright
9		* notice, this list of conditions and the following disclaimer.
10		* 2. Redistributions in binary form must reproduce the above copyright
11		* notice, this list of conditions and the following disclaimer in the
12		* documentation and/or other materials provided with the distribution.
13		*
14		* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15		* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16		* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17		* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18		* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19		* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20		* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21		* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22		* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23		* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24		* SUCH DAMAGE.
25		*/
26
27		/*-
28		* Copyright (c)1999 Citrus Project,
29		* All rights reserved.
30		*
31		* Redistribution and use in source and binary forms, with or without
32		* modification, are permitted provided that the following conditions
33		* are met:
34		* 1. Redistributions of source code must retain the above copyright
35		* notice, this list of conditions and the following disclaimer.
36		* 2. Redistributions in binary form must reproduce the above copyright
37		* notice, this list of conditions and the following disclaimer in the
38		* documentation and/or other materials provided with the distribution.
39		*
40		* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
41		* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42		* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43		* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44		* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45		* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46		* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47		* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48		* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49		* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50		* SUCH DAMAGE.
51		*
52		*/
53
54		#include "dcmtk/config/osconfig.h"
55		#include "citrus_euctw.h"
56
57		#include <sys/types.h>
58		#include <errno.h>
59		#include <limits.h>
60		#include <stddef.h>
61		#include <stdio.h>
62		#include <stdlib.h>
63		#include <string.h>
64		#include <wchar.h>
65
66		#include "citrus_bcs.h"
67		#include "citrus_types.h"
68		#include "citrus_module.h"
69		#include "citrus_stdenc.h"
70
71
72		/* ----------------------------------------------------------------------
73		* private stuffs used by templates
74		*/
75
76		typedef struct {
77		int chlen;
78		char ch[4];
79		} _EUCTWState;
80
81		typedef struct {
82		int dummy;
83		} _EUCTWEncodingInfo;
84
85	0	#define _SS2 0x008e
86		#define _SS3 0x008f
87
88		#define _CEI_TO_EI(_cei_) (&(_cei_)->ei)
89		#define _CEI_TO_STATE(_cei_, _func_) (_cei_)->states.s_##_func_
90
91	0	#define _FUNCNAME(m) _citrus_EUCTW_##m
92	0	#define _ENCODING_INFO _EUCTWEncodingInfo
93		#define _ENCODING_STATE _EUCTWState
94	0	#define _ENCODING_MB_CUR_MAX(_ei_) 4
95		#define _ENCODING_IS_STATE_DEPENDENT 0
96		#define _STATE_NEEDS_EXPLICIT_INIT(_ps_) 0
97
98		static __inline int
99		_citrus_EUCTW_cs(unsigned int c)
100	0	{
101
102	0	c &= 0xff;
103
104	0	return ((c & 0x80) ? (c == _SS2 ? 2 : 1) : 0);
105	0	}
106
107		static __inline int
108		_citrus_EUCTW_count(int cs)
109	0	{
110
111	0	switch (cs) {
112	0	case 0:
113		/FALLTHROUGH/
114	0	case 1:
115		/FALLTHROUGH/
116	0	case 2:
117	0	return (1 << cs);
118	0	case 3:
119	0	abort();
120		/NOTREACHED/
121	0	}
122	0	return (0);
123	0	}
124
125		static __inline void
126		/ARGSUSED/
127		_citrus_EUCTW_init_state(_EUCTWEncodingInfo * ei ,
128		_EUCTWState * s)
129	0	{
130	0	(void) ei;
131	0	memset(s, 0, sizeof(*s));
132	0	}
133
134		static int
135		/ARGSUSED/
136		_citrus_EUCTW_encoding_module_init(_EUCTWEncodingInfo * ei,
137		const void * var , size_t lenvar )
138	0	{
139	0	(void) var;
140	0	(void) lenvar;
141	0	memset((void )ei, 0, sizeof(ei));
142
143	0	return (0);
144	0	}
145
146		static void
147		/ARGSUSED/
148		_citrus_EUCTW_encoding_module_uninit(_EUCTWEncodingInfo *ei )
149	0	{
150	0	(void) ei;
151	0	}
152
153		static int
154		_citrus_EUCTW_mbrtowc_priv(_EUCTWEncodingInfo * ei,
155		_citrus_wc_t * pwc, char ** s,
156		size_t n, _EUCTWState * psenc, size_t * nresult)
157	0	{
158	0	char *s0;
159	0	_citrus_wc_t wchar;
160	0	int c, chlenbak, cs;
161
162	0	s0 = *s;
163
164	0	if (s0 == NULL) {
165	0	_citrus_EUCTW_init_state(ei, psenc);
166	0	nresult = 0; / state independent */
167	0	return (0);
168	0	}
169
170	0	chlenbak = psenc->chlen;
171
172		/* make sure we have the first byte in the buffer */
173	0	switch (psenc->chlen) {
174	0	case 0:
175	0	if (n < 1)
176	0	goto restart;
177	0	psenc->ch[0] = *s0++;
178	0	psenc->chlen = 1;
179	0	n--;
180	0	break;
181	0	case 1:
182	0	case 2:
183	0	break;
184	0	default:
185		/* illgeal state */
186	0	goto ilseq;
187	0	}
188
189	0	c = _citrus_EUCTW_count(cs = _citrus_EUCTW_cs(psenc->ch[0] & 0xff));
190	0	if (c == 0)
191	0	goto ilseq;
192	0	while (psenc->chlen < c) {
193	0	if (n < 1)
194	0	goto ilseq;
195	0	psenc->ch[psenc->chlen] = *s0++;
196	0	psenc->chlen++;
197	0	n--;
198	0	}
199
200	0	wchar = 0;
201	0	switch (cs) {
202	0	case 0:
203	0	if (psenc->ch[0] & 0x80)
204	0	goto ilseq;
205	0	wchar = psenc->ch[0] & 0xff;
206	0	break;
207	0	case 1:
208	0	if (!(psenc->ch[0] & 0x80) \|\| !(psenc->ch[1] & 0x80))
209	0	goto ilseq;
210	0	wchar = ((psenc->ch[0] & 0xff) << 8) \| (psenc->ch[1] & 0xff);
211	0	wchar \|= 'G' << 24;
212	0	break;
213	0	case 2:
214	0	if ((unsigned char)psenc->ch[1] < 0xa1 \|\|
215	0	0xa7 < (unsigned char)psenc->ch[1])
216	0	goto ilseq;
217	0	if (!(psenc->ch[2] & 0x80) \|\| !(psenc->ch[3] & 0x80))
218	0	goto ilseq;
219	0	wchar = ((psenc->ch[2] & 0xff) << 8) \| (psenc->ch[3] & 0xff);
220	0	wchar \|= ('G' + psenc->ch[1] - 0xa1) << 24;
221	0	break;
222	0	default:
223	0	goto ilseq;
224	0	}
225
226	0	*s = s0;
227	0	psenc->chlen = 0;
228
229	0	if (pwc)
230	0	*pwc = wchar;
231	0	*nresult = wchar ? c - chlenbak : 0;
232	0	return (0);
233
234	0	ilseq:
235	0	psenc->chlen = 0;
236	0	*nresult = (size_t)-1;
237	0	return (EILSEQ);
238
239	0	restart:
240	0	*s = s0;
241	0	*nresult = (size_t)-1;
242	0	return (0);
243	0	}
244
245		static int
246		_citrus_EUCTW_wcrtomb_priv(_EUCTWEncodingInfo * ei ,
247		char * s, size_t n, _citrus_wc_t wc,
248		_EUCTWState * psenc , size_t * nresult)
249	0	{
250	0	_citrus_wc_t cs, v;
251	0	int clen, i, ret;
252	0	size_t len;
253	0	(void) ei;
254	0	(void) psenc;
255
256	0	cs = wc & 0x7f000080;
257	0	clen = 1;
258	0	if (wc & 0x00007f00)
259	0	clen = 2;
260	0	if ((wc & 0x007f0000) && !(wc & 0x00800000))
261	0	clen = 3;
262
263	0	if (clen == 1 && cs == 0x00000000) {
264		/* ASCII */
265	0	len = 1;
266	0	if (n < len) {
267	0	ret = E2BIG;
268	0	goto err;
269	0	}
270	0	v = wc & 0x0000007f;
271	0	} else if (clen == 2 && cs == ('G' << 24)) {
272		/* CNS-11643-1 */
273	0	len = 2;
274	0	if (n < len) {
275	0	ret = E2BIG;
276	0	goto err;
277	0	}
278	0	v = wc & 0x00007f7f;
279	0	v \|= 0x00008080;
280	0	} else if (clen == 2 && 'H' <= (cs >> 24) && (cs >> 24) <= 'M') {
281		/* CNS-11643-[2-7] */
282	0	len = 4;
283	0	if (n < len) {
284	0	ret = E2BIG;
285	0	goto err;
286	0	}
287	0	*s++ = _SS2;
288	0	*s++ = (cs >> 24) - 'H' + 0xa2;
289	0	v = wc & 0x00007f7f;
290	0	v \|= 0x00008080;
291	0	} else {
292	0	ret = EILSEQ;
293	0	goto err;
294	0	}
295
296	0	i = clen;
297	0	while (i-- > 0)
298	0	*s++ = (v >> (i << 3)) & 0xff;
299
300	0	*nresult = len;
301	0	return (0);
302
303	0	err:
304	0	*nresult = (size_t)-1;
305	0	return (ret);
306	0	}
307
308		static __inline int
309		/ARGSUSED/
310		_citrus_EUCTW_stdenc_wctocs(_EUCTWEncodingInfo * ei ,
311		_citrus_csid_t * csid, _citrus_index_t * idx, _citrus_wc_t wc)
312	0	{
313	0	(void) ei;
314
315	0	*csid = (_citrus_csid_t)(wc >> 24) & 0xFF;
316	0	*idx = (_citrus_index_t)(wc & 0x7F7F);
317
318	0	return (0);
319	0	}
320
321		static __inline int
322		/ARGSUSED/
323		_citrus_EUCTW_stdenc_cstowc(_EUCTWEncodingInfo * ei ,
324		_citrus_wc_t * wc, _citrus_csid_t csid, _citrus_index_t idx)
325	0	{
326	0	(void) ei;
327
328	0	if (csid == 0) {
329	0	if ((idx & ~0x7F) != 0)
330	0	return (EINVAL);
331	0	*wc = (_citrus_wc_t)idx;
332	0	} else {
333	0	if (csid < 'G' \|\| csid > 'M' \|\| (idx & ~0x7F7F) != 0)
334	0	return (EINVAL);
335	0	*wc = (_citrus_wc_t)idx \| ((_citrus_wc_t)csid << 24);
336	0	}
337
338	0	return (0);
339	0	}
340
341		static __inline int
342		/ARGSUSED/
343		_citrus_EUCTW_stdenc_get_state_desc_generic(_EUCTWEncodingInfo * ei ,
344		_EUCTWState * psenc, int * rstate)
345	0	{
346	0	(void) ei;
347
348	0	*rstate = (psenc->chlen == 0) ? _CITRUS_STDENC_SDGEN_INITIAL :
349	0	_CITRUS_STDENC_SDGEN_INCOMPLETE_CHAR;
350	0	return (0);
351	0	}
352
353		/* ----------------------------------------------------------------------
354		* public interface for stdenc
355		*/
356
357		_CITRUS_STDENC_DECLS(EUCTW);
358		_CITRUS_STDENC_DEF_OPS(EUCTW);
359
360		#include "citrus_stdenc_template.h"