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 "iso2022_utf.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 _conv_desc* cd = (_conv_desc*)malloc(sizeof(_conv_desc));
37*16d86563SAlexander Pyhalov
38*16d86563SAlexander Pyhalov if (cd == (_conv_desc*)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->designator = NDY;
45*16d86563SAlexander Pyhalov cd->state = ASCII;
46*16d86563SAlexander Pyhalov
47*16d86563SAlexander Pyhalov return((void*)cd);
48*16d86563SAlexander Pyhalov } /* end of int _icv_open(). */
49*16d86563SAlexander Pyhalov
50*16d86563SAlexander Pyhalov
51*16d86563SAlexander Pyhalov /**** _ I C V _ C L O S E ****/
52*16d86563SAlexander Pyhalov
_icv_close(_conv_desc * cd)53*16d86563SAlexander Pyhalov void _icv_close(_conv_desc* cd)
54*16d86563SAlexander Pyhalov {
55*16d86563SAlexander Pyhalov if (!cd)
56*16d86563SAlexander Pyhalov errno = EBADF;
57*16d86563SAlexander Pyhalov else
58*16d86563SAlexander Pyhalov free((void*)cd);
59*16d86563SAlexander Pyhalov } /* end of void _icv_close(_conv_desc*). */
60*16d86563SAlexander Pyhalov
61*16d86563SAlexander Pyhalov
62*16d86563SAlexander Pyhalov /**** _ I C V _ I C O N V ****/
63*16d86563SAlexander Pyhalov
_icv_iconv(_conv_desc * cd,char ** inbuf,size_t * inbufleft,char ** outbuf,size_t * outbufleft)64*16d86563SAlexander Pyhalov size_t _icv_iconv(_conv_desc* cd, char** inbuf, size_t* inbufleft,
65*16d86563SAlexander Pyhalov char** outbuf, size_t* outbufleft)
66*16d86563SAlexander Pyhalov {
67*16d86563SAlexander Pyhalov size_t ret_val = 0;
68*16d86563SAlexander Pyhalov unsigned char* ib;
69*16d86563SAlexander Pyhalov unsigned char* ob;
70*16d86563SAlexander Pyhalov unsigned char* ibtail;
71*16d86563SAlexander Pyhalov unsigned char* obtail;
72*16d86563SAlexander Pyhalov
73*16d86563SAlexander Pyhalov if (!cd)
74*16d86563SAlexander Pyhalov {
75*16d86563SAlexander Pyhalov errno = EBADF;
76*16d86563SAlexander Pyhalov return((size_t)-1);
77*16d86563SAlexander Pyhalov }
78*16d86563SAlexander Pyhalov
79*16d86563SAlexander Pyhalov if (!inbuf || !(*inbuf))
80*16d86563SAlexander Pyhalov {
81*16d86563SAlexander Pyhalov cd->designator = NDY;
82*16d86563SAlexander Pyhalov cd->state = ASCII;
83*16d86563SAlexander Pyhalov return((size_t)0);
84*16d86563SAlexander Pyhalov }
85*16d86563SAlexander Pyhalov
86*16d86563SAlexander Pyhalov ib = (unsigned char*)*inbuf;
87*16d86563SAlexander Pyhalov ob = (unsigned char*)*outbuf;
88*16d86563SAlexander Pyhalov ibtail = ib + *inbufleft;
89*16d86563SAlexander Pyhalov obtail = ob + *outbufleft;
90*16d86563SAlexander Pyhalov
91*16d86563SAlexander Pyhalov while (ib < ibtail)
92*16d86563SAlexander Pyhalov {
93*16d86563SAlexander Pyhalov if (cd->designator == KSC5601)
94*16d86563SAlexander Pyhalov {
95*16d86563SAlexander Pyhalov unsigned short wcode;
96*16d86563SAlexander Pyhalov unsigned long ci, v, cf;
97*16d86563SAlexander Pyhalov char result;
98*16d86563SAlexander Pyhalov extern char _wansung_to_utf8(unsigned long*,
99*16d86563SAlexander Pyhalov unsigned long*,
100*16d86563SAlexander Pyhalov unsigned long*,
101*16d86563SAlexander Pyhalov unsigned short);
102*16d86563SAlexander Pyhalov
103*16d86563SAlexander Pyhalov if (*ib == SI)
104*16d86563SAlexander Pyhalov {
105*16d86563SAlexander Pyhalov cd->state = ASCII;
106*16d86563SAlexander Pyhalov ib++;
107*16d86563SAlexander Pyhalov continue;
108*16d86563SAlexander Pyhalov }
109*16d86563SAlexander Pyhalov else if (*ib == SO)
110*16d86563SAlexander Pyhalov {
111*16d86563SAlexander Pyhalov cd->state = WANSUNG;
112*16d86563SAlexander Pyhalov ib++;
113*16d86563SAlexander Pyhalov continue;
114*16d86563SAlexander Pyhalov }
115*16d86563SAlexander Pyhalov else if ((*ib == ' ' && cd->state == WANSUNG) ||
116*16d86563SAlexander Pyhalov cd->state == ASCII)
117*16d86563SAlexander Pyhalov {
118*16d86563SAlexander Pyhalov if (ob >= obtail)
119*16d86563SAlexander Pyhalov {
120*16d86563SAlexander Pyhalov errno = E2BIG;
121*16d86563SAlexander Pyhalov ret_val = (size_t)-1;
122*16d86563SAlexander Pyhalov break;
123*16d86563SAlexander Pyhalov }
124*16d86563SAlexander Pyhalov *ob++ = *ib++;
125*16d86563SAlexander Pyhalov continue;
126*16d86563SAlexander Pyhalov }
127*16d86563SAlexander Pyhalov
128*16d86563SAlexander Pyhalov /* Pure KS C 5601 Wansung code */
129*16d86563SAlexander Pyhalov if ((ibtail - ib) < 2)
130*16d86563SAlexander Pyhalov {
131*16d86563SAlexander Pyhalov errno = EINVAL;
132*16d86563SAlexander Pyhalov ret_val = (size_t)-1;
133*16d86563SAlexander Pyhalov break;
134*16d86563SAlexander Pyhalov }
135*16d86563SAlexander Pyhalov
136*16d86563SAlexander Pyhalov if (*ib < 0x21 || *ib > 0x7D || *(ib + 1) < 0x21 ||
137*16d86563SAlexander Pyhalov *(ib + 1) == 0x7F)
138*16d86563SAlexander Pyhalov {
139*16d86563SAlexander Pyhalov errno = EILSEQ;
140*16d86563SAlexander Pyhalov ret_val = (size_t)-1;
141*16d86563SAlexander Pyhalov break;
142*16d86563SAlexander Pyhalov }
143*16d86563SAlexander Pyhalov
144*16d86563SAlexander Pyhalov if ((result = _wansung_to_utf8(&ci, &v, &cf,
145*16d86563SAlexander Pyhalov (((unsigned short)*ib << 8) |
146*16d86563SAlexander Pyhalov ((unsigned short)*(ib + 1) & 0xFF) |
147*16d86563SAlexander Pyhalov 0x8080)))
148*16d86563SAlexander Pyhalov == HANGUL)
149*16d86563SAlexander Pyhalov {
150*16d86563SAlexander Pyhalov if ((obtail - ob) < (cf ? 9 : 6))
151*16d86563SAlexander Pyhalov {
152*16d86563SAlexander Pyhalov errno = E2BIG;
153*16d86563SAlexander Pyhalov ret_val = (size_t)-1;
154*16d86563SAlexander Pyhalov break;
155*16d86563SAlexander Pyhalov }
156*16d86563SAlexander Pyhalov *ob++ = (char)((ci >> 16) & 0xFF);
157*16d86563SAlexander Pyhalov *ob++ = (char)((ci >> 8) & 0xFF);
158*16d86563SAlexander Pyhalov *ob++ = (char)(ci & 0xFF);
159*16d86563SAlexander Pyhalov *ob++ = (char)((v >> 16) & 0xFF);
160*16d86563SAlexander Pyhalov *ob++ = (char)((v >> 8) & 0xFF);
161*16d86563SAlexander Pyhalov *ob++ = (char)(v & 0xFF);
162*16d86563SAlexander Pyhalov if (cf)
163*16d86563SAlexander Pyhalov {
164*16d86563SAlexander Pyhalov *ob++ = (char)((cf >> 16) & 0xFF);
165*16d86563SAlexander Pyhalov *ob++ = (char)((cf >> 8) & 0xFF);
166*16d86563SAlexander Pyhalov *ob++ = (char)(cf & 0xFF);
167*16d86563SAlexander Pyhalov }
168*16d86563SAlexander Pyhalov }
169*16d86563SAlexander Pyhalov else if (result == HANJA_OR_SYMBOL)
170*16d86563SAlexander Pyhalov {
171*16d86563SAlexander Pyhalov if ((obtail - ob) < 3)
172*16d86563SAlexander Pyhalov {
173*16d86563SAlexander Pyhalov errno = E2BIG;
174*16d86563SAlexander Pyhalov ret_val = (size_t)-1;
175*16d86563SAlexander Pyhalov break;
176*16d86563SAlexander Pyhalov }
177*16d86563SAlexander Pyhalov *ob++ = (char)((ci >> 16) & 0xFF);
178*16d86563SAlexander Pyhalov *ob++ = (char)((ci >> 8) & 0xFF);
179*16d86563SAlexander Pyhalov *ob++ = (char)(ci & 0xFF);
180*16d86563SAlexander Pyhalov }
181*16d86563SAlexander Pyhalov else /* FAILED - this means input char isn't belong to
182*16d86563SAlexander Pyhalov * input codeset. */
183*16d86563SAlexander Pyhalov {
184*16d86563SAlexander Pyhalov errno = EILSEQ;
185*16d86563SAlexander Pyhalov ret_val = (size_t)-1;
186*16d86563SAlexander Pyhalov break;
187*16d86563SAlexander Pyhalov }
188*16d86563SAlexander Pyhalov ib += 2;
189*16d86563SAlexander Pyhalov
190*16d86563SAlexander Pyhalov }
191*16d86563SAlexander Pyhalov else
192*16d86563SAlexander Pyhalov {
193*16d86563SAlexander Pyhalov if (*ib == ESC)
194*16d86563SAlexander Pyhalov {
195*16d86563SAlexander Pyhalov if ((ibtail - ib) < 4)
196*16d86563SAlexander Pyhalov {
197*16d86563SAlexander Pyhalov errno = EINVAL;
198*16d86563SAlexander Pyhalov ret_val = (size_t)-1;
199*16d86563SAlexander Pyhalov break;
200*16d86563SAlexander Pyhalov }
201*16d86563SAlexander Pyhalov
202*16d86563SAlexander Pyhalov if (*(ib + 1) == '$' && *(ib + 2) == ')' &&
203*16d86563SAlexander Pyhalov *(ib + 3) == 'C')
204*16d86563SAlexander Pyhalov {
205*16d86563SAlexander Pyhalov cd->designator = KSC5601;
206*16d86563SAlexander Pyhalov ib += 4;
207*16d86563SAlexander Pyhalov continue;
208*16d86563SAlexander Pyhalov }
209*16d86563SAlexander Pyhalov }
210*16d86563SAlexander Pyhalov
211*16d86563SAlexander Pyhalov if (ob >= obtail)
212*16d86563SAlexander Pyhalov {
213*16d86563SAlexander Pyhalov errno = E2BIG;
214*16d86563SAlexander Pyhalov ret_val = (size_t)-1;
215*16d86563SAlexander Pyhalov break;
216*16d86563SAlexander Pyhalov }
217*16d86563SAlexander Pyhalov *ob++ = *ib++;
218*16d86563SAlexander Pyhalov }
219*16d86563SAlexander Pyhalov }
220*16d86563SAlexander Pyhalov
221*16d86563SAlexander Pyhalov *inbuf = (char*)ib;
222*16d86563SAlexander Pyhalov *inbufleft = ibtail - ib;
223*16d86563SAlexander Pyhalov *outbuf = (char*)ob;
224*16d86563SAlexander Pyhalov *outbufleft = obtail - ob;
225*16d86563SAlexander Pyhalov
226*16d86563SAlexander Pyhalov return(ret_val);
227*16d86563SAlexander Pyhalov } /* end of size_t _icv_iconv(_conv_desc*, char**, size_t*, char**, size_t*).*/
228