1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright (c) 1994 by Sun Microsystems, Inc.
23 */
24
25
26 #include <errno.h>
27 #include "ktable.h"
28 #include "hangulcode.h"
29
30
31 /**** _ J O H A P _ T O _ U T F 8 ****/
32
_johap_to_utf8(unsigned long * chosung,unsigned long * joongsung,unsigned long * jongsung,unsigned short wcode)33 char _johap_to_utf8(unsigned long* chosung, unsigned long* joongsung,
34 unsigned long* jongsung, unsigned short wcode)
35 {
36 register short h, i, j, l;
37 short ci, v, cf;
38
39 /* Hangul only conversion. */
40 if (wcode < 0xA421 || wcode > 0xF3BC)
41 return(FAILED);
42
43 ci = CHOSUNG(wcode) - 0x0A;
44 v = JOONGSUNG(wcode) - ((short)JOONGSUNG(wcode) / 4 + 2);
45 cf = JONGSUNG(wcode);
46 if (ci > 18 || v > 20 || cf > 28)
47 return(ILLEGAL_SEQ);
48
49 *chosung = (ci < 0) ? 0xE1859F : 0xE18480 + ci;
50 *joongsung = (v < 0) ? 0xE185A0 : 0xE185A1 + v;
51 *jongsung = (cf < 2) ? 0 : (cf + ((cf > 25) ? 0xE18766 : 0xE186A6));
52 return(HANGUL);
53 } /* end of char _johap_to_utf8(unsigned long*, unsigned long*,
54 unsigned long*, unsigned short). */
55