1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <stdlib.h>
#include <errno.h>
#include <euc.h>
#include "japanese.h"
#include "jfp_iconv_unicode.h"
#define JFP_U2E_ICONV_X0213
#include "jfp_ucs2_to_euc16.h"
#define DEF_SINGLE '?'
void *
_icv_open(void)
{
return (_icv_open_unicode((size_t)0));
}
void
_icv_close(void *cd)
{
_icv_close_unicode(cd);
return;
}
size_t
_icv_iconv(void *cd, char **inbuf, size_t *inbytesleft,
char **outbuf, size_t *outbytesleft)
{
unsigned int u32; /* UTF-32 */
unsigned short e16; /* 16-bit EUC */
unsigned char ic;
size_t rv = (size_t)0;
unsigned char *ip;
size_t ileft;
char *op;
size_t oleft;
/*
* If inbuf and/or *inbuf are NULL, reset conversion descriptor
* and put escape sequence if needed.
*/
if ((inbuf == NULL) || (*inbuf == NULL)) {
_icv_reset_unicode(cd);
return ((size_t)0);
}
ip = (unsigned char *)*inbuf;
ileft = *inbytesleft;
op = *outbuf;
oleft = *outbytesleft;
while (ileft != 0) {
GETU(&u32)
e16 = _jfp_u32_to_euc16(u32);
switch (e16 & 0x8080) {
case 0x0000: /* CS0 */
ic = (unsigned char)e16;
NPUT(ic, "CS0");
break;
case 0x8080: /* CS1 */
ic = (unsigned char)((e16 >> 8) & 0xff);
NPUT(ic, "CS1-1");
ic = (unsigned char)(e16 & 0xff);
NPUT(ic, "CS1-2");
break;
case 0x0080: /* CS2 */
NPUT(SS2, "CS2-1");
ic = (unsigned char)e16;
NPUT(ic, "CS2-2");
break;
case 0x8000: /* CS3 */
NPUT(SS3, "CS3-1");
ic = (unsigned char)((e16 >> 8) & 0xff);
NPUT(ic, "CS3-2");
ic = (unsigned char)(e16 & 0xff);
NPUT(ic | CMSB, "CS3-3");
break;
}
next:
/*
* One character successfully converted so update
* values outside of this function's stack.
*/
*inbuf = (char *)ip;
*inbytesleft = ileft;
*outbuf = op;
*outbytesleft = oleft;
}
ret:
DEBUGPRINTERROR
/*
* Return value for successful return is not defined by XPG
* so return same as *inbytesleft as existing codes do.
*/
return ((rv == (size_t)-1) ? rv : *inbytesleft);
}
|