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) 1996 by Sun Microsystems, Inc.
23*16d86563SAlexander Pyhalov */
24*16d86563SAlexander Pyhalov
25*16d86563SAlexander Pyhalov
26*16d86563SAlexander Pyhalov #include <errno.h>
27*16d86563SAlexander Pyhalov #include <widec.h>
28*16d86563SAlexander Pyhalov #include "common_def.h"
29*16d86563SAlexander Pyhalov #include "common_han.h"
30*16d86563SAlexander Pyhalov #include "njh_utf_api.h"
31*16d86563SAlexander Pyhalov
32*16d86563SAlexander Pyhalov
33*16d86563SAlexander Pyhalov /**** _ I C V _ O P E N ****/
34*16d86563SAlexander Pyhalov
_icv_open()35*16d86563SAlexander Pyhalov void* _icv_open()
36*16d86563SAlexander Pyhalov {
37*16d86563SAlexander Pyhalov return((void*)MAGIC_NUMBER);
38*16d86563SAlexander Pyhalov } /* end of int _icv_open(). */
39*16d86563SAlexander Pyhalov
40*16d86563SAlexander Pyhalov
41*16d86563SAlexander Pyhalov /**** _ I C V _ C L O S E ****/
42*16d86563SAlexander Pyhalov
_icv_close(int * cd)43*16d86563SAlexander Pyhalov void _icv_close(int* cd)
44*16d86563SAlexander Pyhalov {
45*16d86563SAlexander Pyhalov if (!cd || cd != (int*)MAGIC_NUMBER)
46*16d86563SAlexander Pyhalov errno = EBADF;
47*16d86563SAlexander Pyhalov } /* end of void _icv_close(int*). */
48*16d86563SAlexander Pyhalov
49*16d86563SAlexander Pyhalov
50*16d86563SAlexander Pyhalov /**** _ I C V _ I C O N V ****/
51*16d86563SAlexander Pyhalov
_icv_iconv(int * cd,char ** inbuf,size_t * inbufleft,char ** outbuf,size_t * outbufleft)52*16d86563SAlexander Pyhalov size_t _icv_iconv(int* cd, char** inbuf, size_t* inbufleft,
53*16d86563SAlexander Pyhalov char** outbuf, size_t* outbufleft)
54*16d86563SAlexander Pyhalov {
55*16d86563SAlexander Pyhalov size_t ret_val = 0;
56*16d86563SAlexander Pyhalov unsigned char* ib;
57*16d86563SAlexander Pyhalov unsigned char* ob;
58*16d86563SAlexander Pyhalov unsigned char* ibtail;
59*16d86563SAlexander Pyhalov unsigned char* obtail;
60*16d86563SAlexander Pyhalov
61*16d86563SAlexander Pyhalov if (!cd || cd != (int*)MAGIC_NUMBER)
62*16d86563SAlexander Pyhalov {
63*16d86563SAlexander Pyhalov errno = EBADF;
64*16d86563SAlexander Pyhalov return((size_t)-1);
65*16d86563SAlexander Pyhalov }
66*16d86563SAlexander Pyhalov
67*16d86563SAlexander Pyhalov if (!inbuf || !(*inbuf))
68*16d86563SAlexander Pyhalov return((size_t)0);
69*16d86563SAlexander Pyhalov
70*16d86563SAlexander Pyhalov ib = (unsigned char*)*inbuf;
71*16d86563SAlexander Pyhalov ob = (unsigned char*)*outbuf;
72*16d86563SAlexander Pyhalov ibtail = ib + *inbufleft;
73*16d86563SAlexander Pyhalov obtail = ob + *outbufleft;
74*16d86563SAlexander Pyhalov
75*16d86563SAlexander Pyhalov while (ib < ibtail)
76*16d86563SAlexander Pyhalov {
77*16d86563SAlexander Pyhalov if (*ib & 0x80) /* Korean Johap code */
78*16d86563SAlexander Pyhalov {
79*16d86563SAlexander Pyhalov hcode_type njh_code, utf_code;
80*16d86563SAlexander Pyhalov
81*16d86563SAlexander Pyhalov if ((ibtail - ib) < 2)
82*16d86563SAlexander Pyhalov {
83*16d86563SAlexander Pyhalov errno = EINVAL;
84*16d86563SAlexander Pyhalov ret_val = (size_t)-1;
85*16d86563SAlexander Pyhalov break;
86*16d86563SAlexander Pyhalov }
87*16d86563SAlexander Pyhalov
88*16d86563SAlexander Pyhalov njh_code.code = 0;
89*16d86563SAlexander Pyhalov njh_code.byte.byte3 = *ib;
90*16d86563SAlexander Pyhalov njh_code.byte.byte4 = *(ib + 1);
91*16d86563SAlexander Pyhalov
92*16d86563SAlexander Pyhalov utf_code = _johap92_to_utf8(njh_code);
93*16d86563SAlexander Pyhalov
94*16d86563SAlexander Pyhalov if (utf_code.code != 0)
95*16d86563SAlexander Pyhalov {
96*16d86563SAlexander Pyhalov if ((obtail - ob) < 3)
97*16d86563SAlexander Pyhalov {
98*16d86563SAlexander Pyhalov errno = E2BIG;
99*16d86563SAlexander Pyhalov ret_val = (size_t)-1;
100*16d86563SAlexander Pyhalov break;
101*16d86563SAlexander Pyhalov }
102*16d86563SAlexander Pyhalov /* UTF8 code from 2 bytes is always 3 bytes */
103*16d86563SAlexander Pyhalov *ob++ = (char)utf_code.byte.byte2;
104*16d86563SAlexander Pyhalov *ob++ = (char)utf_code.byte.byte3;
105*16d86563SAlexander Pyhalov *ob++ = (char)utf_code.byte.byte4;
106*16d86563SAlexander Pyhalov }
107*16d86563SAlexander Pyhalov else /* FAILED - this means input char isn't belong to
108*16d86563SAlexander Pyhalov * input codeset. */
109*16d86563SAlexander Pyhalov {
110*16d86563SAlexander Pyhalov errno = EILSEQ;
111*16d86563SAlexander Pyhalov ret_val = (size_t)-1;
112*16d86563SAlexander Pyhalov break;
113*16d86563SAlexander Pyhalov }
114*16d86563SAlexander Pyhalov ib += 2;
115*16d86563SAlexander Pyhalov
116*16d86563SAlexander Pyhalov }
117*16d86563SAlexander Pyhalov else /* CS0 */
118*16d86563SAlexander Pyhalov {
119*16d86563SAlexander Pyhalov if (ob >= obtail)
120*16d86563SAlexander Pyhalov {
121*16d86563SAlexander Pyhalov errno = E2BIG;
122*16d86563SAlexander Pyhalov ret_val = (size_t)-1;
123*16d86563SAlexander Pyhalov break;
124*16d86563SAlexander Pyhalov }
125*16d86563SAlexander Pyhalov *ob++ = *ib++;
126*16d86563SAlexander Pyhalov }
127*16d86563SAlexander Pyhalov }
128*16d86563SAlexander Pyhalov
129*16d86563SAlexander Pyhalov *inbuf = (char*)ib;
130*16d86563SAlexander Pyhalov *inbufleft = ibtail - ib;
131*16d86563SAlexander Pyhalov *outbuf = (char*)ob;
132*16d86563SAlexander Pyhalov *outbufleft = obtail - ob;
133*16d86563SAlexander Pyhalov
134*16d86563SAlexander Pyhalov return(ret_val);
135*16d86563SAlexander Pyhalov } /* end of size_t _icv_iconv(int*, char**, size_t*, char**, size_t*). */
136