1*16d86563SAlexander Pyhalov /*
2*16d86563SAlexander Pyhalov * CDDL HEADER START
3*16d86563SAlexander Pyhalov *
4*16d86563SAlexander Pyhalov * The contents of this file are subject to the terms of the
5*16d86563SAlexander Pyhalov * Common Development and Distribution License (the "License").
6*16d86563SAlexander Pyhalov * You may not use this file except in compliance with the License.
7*16d86563SAlexander Pyhalov *
8*16d86563SAlexander Pyhalov * You can obtain a copy of the license at src/OPENSOLARIS.LICENSE
9*16d86563SAlexander Pyhalov * or http://www.opensolaris.org/os/licensing.
10*16d86563SAlexander Pyhalov * See the License for the specific language governing permissions
11*16d86563SAlexander Pyhalov * and limitations under the License.
12*16d86563SAlexander Pyhalov *
13*16d86563SAlexander Pyhalov * When distributing Covered Code, include this CDDL HEADER in each
14*16d86563SAlexander Pyhalov * file and include the License file at src/OPENSOLARIS.LICENSE.
15*16d86563SAlexander Pyhalov * If applicable, add the following below this CDDL HEADER, with the
16*16d86563SAlexander Pyhalov * fields enclosed by brackets "[]" replaced with your own identifying
17*16d86563SAlexander Pyhalov * information: Portions Copyright [yyyy] [name of copyright owner]
18*16d86563SAlexander Pyhalov *
19*16d86563SAlexander Pyhalov * CDDL HEADER END
20*16d86563SAlexander Pyhalov */
21*16d86563SAlexander Pyhalov /*
22*16d86563SAlexander Pyhalov * Copyright (c) 1994 by Sun Microsystems, Inc.
23*16d86563SAlexander Pyhalov */
24*16d86563SAlexander Pyhalov
25*16d86563SAlexander Pyhalov
26*16d86563SAlexander Pyhalov #include <stdlib.h>
27*16d86563SAlexander Pyhalov #include <errno.h>
28*16d86563SAlexander Pyhalov #include "ktable.h"
29*16d86563SAlexander Pyhalov #include "hangulcode.h"
30*16d86563SAlexander Pyhalov
31*16d86563SAlexander Pyhalov
32*16d86563SAlexander Pyhalov /**** _ I C V _ O P E N ****/
33*16d86563SAlexander Pyhalov
_icv_open()34*16d86563SAlexander Pyhalov void* _icv_open()
35*16d86563SAlexander Pyhalov {
36*16d86563SAlexander Pyhalov int* cd = (int*)malloc(sizeof(int));
37*16d86563SAlexander Pyhalov
38*16d86563SAlexander Pyhalov if (cd == (int*)NULL)
39*16d86563SAlexander Pyhalov {
40*16d86563SAlexander Pyhalov errno = ENOMEM;
41*16d86563SAlexander Pyhalov return((void*)-1);
42*16d86563SAlexander Pyhalov }
43*16d86563SAlexander Pyhalov
44*16d86563SAlexander Pyhalov *cd = MAGIC_NUMBER;
45*16d86563SAlexander Pyhalov
46*16d86563SAlexander Pyhalov return((void*)cd);
47*16d86563SAlexander Pyhalov } /* end of int _icv_open(). */
48*16d86563SAlexander Pyhalov
49*16d86563SAlexander Pyhalov
50*16d86563SAlexander Pyhalov /**** _ I C V _ C L O S E ****/
51*16d86563SAlexander Pyhalov
_icv_close(int * cd)52*16d86563SAlexander Pyhalov void _icv_close(int* cd)
53*16d86563SAlexander Pyhalov {
54*16d86563SAlexander Pyhalov if (!cd)
55*16d86563SAlexander Pyhalov errno = EBADF;
56*16d86563SAlexander Pyhalov else
57*16d86563SAlexander Pyhalov free((void*)cd);
58*16d86563SAlexander Pyhalov } /* end of void _icv_close(int*). */
59*16d86563SAlexander Pyhalov
60*16d86563SAlexander Pyhalov
61*16d86563SAlexander Pyhalov /**** _ I C V _ I C O N V ****/
62*16d86563SAlexander Pyhalov
_icv_iconv(int * cd,char ** inbuf,size_t * inbufleft,char ** outbuf,size_t * outbufleft)63*16d86563SAlexander Pyhalov size_t _icv_iconv(int* cd, char** inbuf, size_t* inbufleft,
64*16d86563SAlexander Pyhalov char** outbuf, size_t* outbufleft)
65*16d86563SAlexander Pyhalov {
66*16d86563SAlexander Pyhalov size_t ret_val = 0;
67*16d86563SAlexander Pyhalov unsigned char* ib;
68*16d86563SAlexander Pyhalov unsigned char* ob;
69*16d86563SAlexander Pyhalov unsigned char* ibtail;
70*16d86563SAlexander Pyhalov unsigned char* obtail;
71*16d86563SAlexander Pyhalov
72*16d86563SAlexander Pyhalov if (!cd || (*cd) != MAGIC_NUMBER)
73*16d86563SAlexander Pyhalov {
74*16d86563SAlexander Pyhalov errno = EBADF;
75*16d86563SAlexander Pyhalov return((size_t)-1);
76*16d86563SAlexander Pyhalov }
77*16d86563SAlexander Pyhalov
78*16d86563SAlexander Pyhalov if (!inbuf || !(*inbuf))
79*16d86563SAlexander Pyhalov return((size_t)0);
80*16d86563SAlexander Pyhalov
81*16d86563SAlexander Pyhalov ib = (unsigned char*)*inbuf;
82*16d86563SAlexander Pyhalov ob = (unsigned char*)*outbuf;
83*16d86563SAlexander Pyhalov ibtail = ib + *inbufleft;
84*16d86563SAlexander Pyhalov obtail = ob + *outbufleft;
85*16d86563SAlexander Pyhalov
86*16d86563SAlexander Pyhalov while (ib < ibtail)
87*16d86563SAlexander Pyhalov {
88*16d86563SAlexander Pyhalov if (*ib & 0x80)
89*16d86563SAlexander Pyhalov {
90*16d86563SAlexander Pyhalov unsigned short wcode;
91*16d86563SAlexander Pyhalov unsigned long ci, v, cf;
92*16d86563SAlexander Pyhalov char result;
93*16d86563SAlexander Pyhalov extern char _johap_to_utf8(unsigned long*,
94*16d86563SAlexander Pyhalov unsigned long*,
95*16d86563SAlexander Pyhalov unsigned long*,
96*16d86563SAlexander Pyhalov unsigned short);
97*16d86563SAlexander Pyhalov
98*16d86563SAlexander Pyhalov if ((ibtail - ib) < 2)
99*16d86563SAlexander Pyhalov {
100*16d86563SAlexander Pyhalov errno = EINVAL;
101*16d86563SAlexander Pyhalov ret_val = (size_t)-1;
102*16d86563SAlexander Pyhalov break;
103*16d86563SAlexander Pyhalov }
104*16d86563SAlexander Pyhalov
105*16d86563SAlexander Pyhalov if ((result = _johap_to_utf8(&ci, &v, &cf,
106*16d86563SAlexander Pyhalov ((unsigned short)*ib << 8) |
107*16d86563SAlexander Pyhalov ((unsigned short)*(ib + 1) & 0xFF)))
108*16d86563SAlexander Pyhalov == HANGUL)
109*16d86563SAlexander Pyhalov {
110*16d86563SAlexander Pyhalov if ((obtail - ob) < (cf ? 9 : 6))
111*16d86563SAlexander Pyhalov {
112*16d86563SAlexander Pyhalov errno = E2BIG;
113*16d86563SAlexander Pyhalov ret_val = (size_t)-1;
114*16d86563SAlexander Pyhalov break;
115*16d86563SAlexander Pyhalov }
116*16d86563SAlexander Pyhalov *ob++ = (char)((ci >> 16) & 0xFF);
117*16d86563SAlexander Pyhalov *ob++ = (char)((ci >> 8) & 0xFF);
118*16d86563SAlexander Pyhalov *ob++ = (char)(ci & 0xFF);
119*16d86563SAlexander Pyhalov *ob++ = (char)((v >> 16) & 0xFF);
120*16d86563SAlexander Pyhalov *ob++ = (char)((v >> 8) & 0xFF);
121*16d86563SAlexander Pyhalov *ob++ = (char)(v & 0xFF);
122*16d86563SAlexander Pyhalov if (cf)
123*16d86563SAlexander Pyhalov {
124*16d86563SAlexander Pyhalov *ob++ = (char)((cf >> 16) & 0xFF);
125*16d86563SAlexander Pyhalov *ob++ = (char)((cf >> 8) & 0xFF);
126*16d86563SAlexander Pyhalov *ob++ = (char)(cf & 0xFF);
127*16d86563SAlexander Pyhalov }
128*16d86563SAlexander Pyhalov }
129*16d86563SAlexander Pyhalov else /* FAILED - this means input char isn't belong to
130*16d86563SAlexander Pyhalov * input codeset. */
131*16d86563SAlexander Pyhalov {
132*16d86563SAlexander Pyhalov errno = EILSEQ;
133*16d86563SAlexander Pyhalov ret_val = (size_t)-1;
134*16d86563SAlexander Pyhalov break;
135*16d86563SAlexander Pyhalov }
136*16d86563SAlexander Pyhalov ib += 2;
137*16d86563SAlexander Pyhalov
138*16d86563SAlexander Pyhalov }
139*16d86563SAlexander Pyhalov else /* CS0 */
140*16d86563SAlexander Pyhalov {
141*16d86563SAlexander Pyhalov if (ob >= obtail)
142*16d86563SAlexander Pyhalov {
143*16d86563SAlexander Pyhalov errno = E2BIG;
144*16d86563SAlexander Pyhalov ret_val = (size_t)-1;
145*16d86563SAlexander Pyhalov break;
146*16d86563SAlexander Pyhalov }
147*16d86563SAlexander Pyhalov *ob++ = *ib++;
148*16d86563SAlexander Pyhalov }
149*16d86563SAlexander Pyhalov }
150*16d86563SAlexander Pyhalov
151*16d86563SAlexander Pyhalov *inbuf = (char*)ib;
152*16d86563SAlexander Pyhalov *inbufleft = ibtail - ib;
153*16d86563SAlexander Pyhalov *outbuf = (char*)ob;
154*16d86563SAlexander Pyhalov *outbufleft = obtail - ob;
155*16d86563SAlexander Pyhalov
156*16d86563SAlexander Pyhalov return(ret_val);
157*16d86563SAlexander Pyhalov } /* end of size_t _icv_iconv(_conv_desc*, char**, size_t*, char**, size_t*).*/
158