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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1994 by Sun Microsystems, Inc.
*/
#ifndef _UTF2NBYTE_H_
#define _UTF2NBYTE_H_
#include "hangulcode.h"
typedef struct __conv_desc {
unsigned short ci, v, cf;
enum { E, CI, V, CF } prev_state;
enum { ASCII, WANSUNG } state;
} _conv_desc;
#define RESET_CONV_DESC()\
cd->ci = cd->v = cd->cf = CVC_FILL; cd->prev_state = E;
#define PROCESS_PRIOR_CVC()\
{\
int i;\
register int j;\
char c[5];\
\
if (cd->prev_state != E)\
{\
i = 0;\
if ((cd->ci <= 18 || cd->ci == CVC_FILL) &&\
(cd->v <= 20 || cd->v == CVC_FILL) &&\
(cd->cf <= 28 || cd->cf == CVC_FILL))\
{\
c[i] = (char)Y19_32[cd->ci != CVC_FILL ?\
cd->ci + 1 : 0] + '@';\
if (c[i] > '@')\
i++;\
c[i] = (char)Y21_32[cd->v != CVC_FILL ? cd->v +\
(short)(cd->v + 1) / 3 + 2 : 1] + '`';\
if (c[i] > 'a')\
echo_vowel(c, &i);\
c[i] = (char)Y28_32[cd->cf != CVC_FILL ?\
cd->cf - 1 : 0] + '@';\
if (c[i] > '@')\
echo_consonant(c, &i);\
\
if ((obtail - ob) < (i + (cd->state == ASCII ?\
1 : 0)))\
{\
errno = E2BIG;\
ret_val = (size_t)-1;\
break;\
}\
if (cd->state == ASCII)\
{\
*ob++ = SO;\
cd->state = WANSUNG;\
}\
for (j = 0; j < i; j++)\
*ob++ = c[j];\
}\
else\
{\
/* Let's assume the code is non-identical. */\
if (cd->state == WANSUNG)\
{\
if ((obtail - ob) < 3)\
{\
errno = E2BIG;\
ret_val = (size_t)-1;\
break;\
}\
*ob++ = SI;\
cd->state = ASCII;\
}\
else if ((obtail - ob) < 2)\
{\
errno = E2BIG;\
ret_val = (size_t)-1;\
break;\
}\
*ob++ = NON_IDENTICAL;\
*ob++ = NON_IDENTICAL;\
ret_val += 2;\
}\
RESET_CONV_DESC();\
}\
}
#endif /* _UTF2NBYTE_H_ */
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