1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * COPYRIGHT AND PERMISSION NOTICE
23 *
24 * Copyright (c) 1991-2005 Unicode, Inc. All rights reserved. Distributed
25 * under the Terms of Use in http://www.unicode.org/copyright.html.
26 *
27 * This file has been modified by Sun Microsystems, Inc.
28 */
29 /*
30 * Copyright 1999-2004 Sun Microsystems, Inc. All rights reserved.
31 * Use is subject to license terms.
32 */
33
34
35 #if defined(DEBUG)
36 #include <stdio.h>
37 #endif /* DEBUG */
38 #include <stdlib.h>
39 #include <errno.h>
40
41 #define JFP_ICONV_STATELESS
42 #include "japanese.h"
43 #include "jfp_iconv_unicode.h"
44
45 void *
_icv_open(void)46 _icv_open(void)
47 {
48 return (_icv_open_stateless());
49 }
50
51 void
_icv_close(void * cd)52 _icv_close(void *cd)
53 {
54 _icv_close_stateless(cd);
55 return;
56 }
57
58 size_t
_icv_iconv(void * cd,char ** inbuf,size_t * inbytesleft,char ** outbuf,size_t * outbytesleft)59 _icv_iconv(void *cd, char **inbuf, size_t *inbytesleft,
60 char **outbuf, size_t *outbytesleft)
61 {
62 size_t rv = (size_t)0;
63 unsigned int ucs4;
64
65 unsigned char *ip;
66 size_t ileft;
67 char *op;
68 size_t oleft;
69
70 /*
71 * If inbuf and/or *inbuf are NULL, reset conversion descriptor
72 * and put escape sequence if needed.
73 */
74 if ((inbuf == NULL) || (*inbuf == NULL)) {
75 /* nothing to do here for this module */
76 return ((size_t)0);
77 }
78
79 ip = (unsigned char *)*inbuf;
80 ileft = *inbytesleft;
81 op = *outbuf;
82 oleft = *outbytesleft;
83
84 while (ileft != 0) {
85 if (utf8_ucs(&ucs4, &ip, &ileft) == (size_t)-1) {
86 /* errno has been set in utf8_ucs() */
87 rv = (size_t)-1;
88 goto ret;
89 }
90
91 if (ucs4 == 0x301c) /* WAVE DASH */
92 ucs4 = 0xff5e; /* FULLWIDTH TILDE */
93 else if (ucs4 == 0x2016) /* DOUBLE VERTICAL BAR/LINE */
94 ucs4 = 0x2225; /* PARALLEL TO */
95 else if (ucs4 == 0x2212) /* MINUS SIGN */
96 ucs4 = 0xff0d; /* FULLWIDTH MINUS SIGN */
97 else if (ucs4 == 0x00a2) /* CENT SIGN */
98 ucs4 = 0xffe0; /* FULLWIDTH CENT SIGN */
99 else if (ucs4 == 0x00a3) /* POUND SIGN */
100 ucs4 = 0xffe1; /* FULLWIDTH POUND SIGN */
101 else if (ucs4 == 0x00ac) /* NOT SIGN */
102 ucs4 = 0xffe2; /* FULLWIDTH NOT SIGN */
103
104 PUTUCS2((unsigned short)ucs4, "E2BIG");
105
106 /*
107 * One character successfully converted so update
108 * values outside of this function's stack.
109 */
110 *inbuf = (char *)ip;
111 *inbytesleft = ileft;
112 *outbuf = op;
113 *outbytesleft = oleft;
114 }
115
116 ret:
117
118 #if defined(DEBUG)
119 if (rv == (size_t)-1) {
120 fprintf(stderr, "DEBUG: errno=%d: %s\n", errno, debugmsg);
121 }
122 #endif /* DEBUG */
123
124 /*
125 * Return value for successful return is not defined by XPG
126 * so return same as *inbytesleft as existing codes do.
127 */
128 return ((rv == (size_t)-1) ? rv : *inbytesleft);
129 }
130