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 2010 Sun Microsystems, Inc. All rights reserved.
23*16d86563SAlexander Pyhalov * Use is subject to license terms.
24*16d86563SAlexander Pyhalov */
25*16d86563SAlexander Pyhalov
26*16d86563SAlexander Pyhalov #include <stdlib.h>
27*16d86563SAlexander Pyhalov #include <errno.h>
28*16d86563SAlexander Pyhalov #include "euro.h"
29*16d86563SAlexander Pyhalov
30*16d86563SAlexander Pyhalov
31*16d86563SAlexander Pyhalov void *
_icv_open()32*16d86563SAlexander Pyhalov _icv_open()
33*16d86563SAlexander Pyhalov {
34*16d86563SAlexander Pyhalov return ((void *) MAGIC_NUMBER);
35*16d86563SAlexander Pyhalov }
36*16d86563SAlexander Pyhalov
37*16d86563SAlexander Pyhalov
38*16d86563SAlexander Pyhalov void
_icv_close(int * cd)39*16d86563SAlexander Pyhalov _icv_close(int *cd)
40*16d86563SAlexander Pyhalov {
41*16d86563SAlexander Pyhalov if (! cd || cd != (int *)MAGIC_NUMBER)
42*16d86563SAlexander Pyhalov errno = EBADF;
43*16d86563SAlexander Pyhalov }
44*16d86563SAlexander Pyhalov
45*16d86563SAlexander Pyhalov
46*16d86563SAlexander Pyhalov size_t
_icv_iconv(int * cd,char ** inbuf,size_t * inbytesleft,char ** outbuf,size_t * outbytesleft)47*16d86563SAlexander Pyhalov _icv_iconv(int *cd, char **inbuf, size_t *inbytesleft,
48*16d86563SAlexander Pyhalov char **outbuf, size_t *outbytesleft)
49*16d86563SAlexander Pyhalov {
50*16d86563SAlexander Pyhalov size_t ret_val;
51*16d86563SAlexander Pyhalov unsigned char c;
52*16d86563SAlexander Pyhalov unsigned char *ib;
53*16d86563SAlexander Pyhalov unsigned char *ob;
54*16d86563SAlexander Pyhalov unsigned char *ibtail;
55*16d86563SAlexander Pyhalov unsigned char *obtail;
56*16d86563SAlexander Pyhalov
57*16d86563SAlexander Pyhalov if (cd != (int *)MAGIC_NUMBER) {
58*16d86563SAlexander Pyhalov errno = EBADF;
59*16d86563SAlexander Pyhalov return ((size_t)-1);
60*16d86563SAlexander Pyhalov }
61*16d86563SAlexander Pyhalov
62*16d86563SAlexander Pyhalov if (!inbuf || !(*inbuf))
63*16d86563SAlexander Pyhalov return ((size_t)0);
64*16d86563SAlexander Pyhalov
65*16d86563SAlexander Pyhalov ret_val = 0;
66*16d86563SAlexander Pyhalov ib = (unsigned char *)*inbuf;
67*16d86563SAlexander Pyhalov ob = (unsigned char *)*outbuf;
68*16d86563SAlexander Pyhalov ibtail = ib + *inbytesleft;
69*16d86563SAlexander Pyhalov obtail = ob + *outbytesleft;
70*16d86563SAlexander Pyhalov
71*16d86563SAlexander Pyhalov while (ib < ibtail) {
72*16d86563SAlexander Pyhalov c = *ib;
73*16d86563SAlexander Pyhalov
74*16d86563SAlexander Pyhalov if (tbl[c].sz == ICV_TYPE_ILLEGAL_CHAR) {
75*16d86563SAlexander Pyhalov errno = EILSEQ;
76*16d86563SAlexander Pyhalov ret_val = (size_t)-1;
77*16d86563SAlexander Pyhalov break;
78*16d86563SAlexander Pyhalov }
79*16d86563SAlexander Pyhalov
80*16d86563SAlexander Pyhalov if (obtail <= ob) {
81*16d86563SAlexander Pyhalov errno = E2BIG;
82*16d86563SAlexander Pyhalov ret_val = (size_t)-1;
83*16d86563SAlexander Pyhalov break;
84*16d86563SAlexander Pyhalov }
85*16d86563SAlexander Pyhalov
86*16d86563SAlexander Pyhalov *ob++ = tbl[c].ch;
87*16d86563SAlexander Pyhalov ib++;
88*16d86563SAlexander Pyhalov }
89*16d86563SAlexander Pyhalov
90*16d86563SAlexander Pyhalov *inbuf = (char *)ib;
91*16d86563SAlexander Pyhalov *inbytesleft = ibtail - ib;
92*16d86563SAlexander Pyhalov *outbuf = (char *)ob;
93*16d86563SAlexander Pyhalov *outbytesleft = obtail - ob;
94*16d86563SAlexander Pyhalov
95*16d86563SAlexander Pyhalov return (ret_val);
96*16d86563SAlexander Pyhalov }
97