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) 1999 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 "ibm_thai_api.h"
30*16d86563SAlexander Pyhalov #include "common_thai.h"
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 return((void*)MAGIC_NUMBER);
37*16d86563SAlexander Pyhalov } /* end of int _icv_open(). */
38*16d86563SAlexander Pyhalov
39*16d86563SAlexander Pyhalov
40*16d86563SAlexander Pyhalov /**** _ I C V _ C L O S E ****/
41*16d86563SAlexander Pyhalov
_icv_close(int * cd)42*16d86563SAlexander Pyhalov void _icv_close(int* cd)
43*16d86563SAlexander Pyhalov {
44*16d86563SAlexander Pyhalov if (!cd || cd != (int*)MAGIC_NUMBER)
45*16d86563SAlexander Pyhalov errno = EBADF;
46*16d86563SAlexander Pyhalov } /* end of void _icv_close(int*). */
47*16d86563SAlexander Pyhalov
48*16d86563SAlexander Pyhalov
49*16d86563SAlexander Pyhalov /**** _ I C V _ I C O N V ****/
50*16d86563SAlexander Pyhalov
_icv_iconv(int * cd,char ** inbuf,size_t * inbufleft,char ** outbuf,size_t * outbufleft)51*16d86563SAlexander Pyhalov size_t _icv_iconv(int* cd, char** inbuf, size_t* inbufleft,
52*16d86563SAlexander Pyhalov char** outbuf, size_t* outbufleft)
53*16d86563SAlexander Pyhalov {
54*16d86563SAlexander Pyhalov size_t ret_val = 0;
55*16d86563SAlexander Pyhalov unsigned char* ib;
56*16d86563SAlexander Pyhalov unsigned char* ob;
57*16d86563SAlexander Pyhalov unsigned char* ibtail;
58*16d86563SAlexander Pyhalov unsigned char* obtail;
59*16d86563SAlexander Pyhalov
60*16d86563SAlexander Pyhalov if (!cd || cd != (int*)MAGIC_NUMBER)
61*16d86563SAlexander Pyhalov {
62*16d86563SAlexander Pyhalov errno = EBADF;
63*16d86563SAlexander Pyhalov return((size_t)-1);
64*16d86563SAlexander Pyhalov }
65*16d86563SAlexander Pyhalov
66*16d86563SAlexander Pyhalov if (!inbuf || !(*inbuf))
67*16d86563SAlexander Pyhalov return((size_t)0);
68*16d86563SAlexander Pyhalov
69*16d86563SAlexander Pyhalov ib = (unsigned char*)*inbuf;
70*16d86563SAlexander Pyhalov ob = (unsigned char*)*outbuf;
71*16d86563SAlexander Pyhalov ibtail = ib + *inbufleft;
72*16d86563SAlexander Pyhalov obtail = ob + *outbufleft;
73*16d86563SAlexander Pyhalov
74*16d86563SAlexander Pyhalov while (ib < ibtail)
75*16d86563SAlexander Pyhalov {
76*16d86563SAlexander Pyhalov hcode_type euc_code, utf_code;
77*16d86563SAlexander Pyhalov
78*16d86563SAlexander Pyhalov if ((ibtail - ib) < 1)
79*16d86563SAlexander Pyhalov {
80*16d86563SAlexander Pyhalov errno = EINVAL;
81*16d86563SAlexander Pyhalov ret_val = (size_t)-1;
82*16d86563SAlexander Pyhalov break;
83*16d86563SAlexander Pyhalov }
84*16d86563SAlexander Pyhalov
85*16d86563SAlexander Pyhalov /* euc_code.byte.byte4 is the variable */
86*16d86563SAlexander Pyhalov /* that would be sent to a function to */
87*16d86563SAlexander Pyhalov /* find the coversion and get the retu-*/
88*16d86563SAlexander Pyhalov /* -rned value to put back. */
89*16d86563SAlexander Pyhalov euc_code.code = 0;
90*16d86563SAlexander Pyhalov euc_code.byte.byte4 = *ib;
91*16d86563SAlexander Pyhalov
92*16d86563SAlexander Pyhalov utf_code = _838_to_874(euc_code);
93*16d86563SAlexander Pyhalov
94*16d86563SAlexander Pyhalov if (utf_code.code != 0)
95*16d86563SAlexander Pyhalov {
96*16d86563SAlexander Pyhalov if ((obtail - ob) < 1)
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 *ob++ = (char)utf_code.byte.byte4;
103*16d86563SAlexander Pyhalov }
104*16d86563SAlexander Pyhalov else /* FAILED - this means input char isn't belong to
105*16d86563SAlexander Pyhalov * input codeset. */
106*16d86563SAlexander Pyhalov {
107*16d86563SAlexander Pyhalov errno = EILSEQ;
108*16d86563SAlexander Pyhalov ret_val = (size_t)-1;
109*16d86563SAlexander Pyhalov break;
110*16d86563SAlexander Pyhalov }
111*16d86563SAlexander Pyhalov ib += 1;
112*16d86563SAlexander Pyhalov }
113*16d86563SAlexander Pyhalov
114*16d86563SAlexander Pyhalov *inbuf = (char*)ib;
115*16d86563SAlexander Pyhalov *inbufleft = ibtail - ib;
116*16d86563SAlexander Pyhalov *outbuf = (char*)ob;
117*16d86563SAlexander Pyhalov *outbufleft = obtail - ob;
118*16d86563SAlexander Pyhalov
119*16d86563SAlexander Pyhalov return(ret_val);
120*16d86563SAlexander Pyhalov } /* end of size_t _icv_iconv(int*, char**, size_t*, char**, size_t*). */
121