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
|
/* -*- mode: c -*-
*
* $Id: iconv_hook_ja_auto.c,v 1.2 2002/06/08 09:32:41 tai Exp $
* Framework Author: Taisuke Yamada (tai@iij.ad.jp)
* Logic Composer: Kazuhiko Iwama (iwama@ymc.ne.jp)
*/
#include <string.h>
#include "iconv_hook.h"
#include "identify_encoding.h"
/*
* ja_auto_iconv_t
* by Kazuhiko Iwama (iwama@ymc.ne.jp)
* Save oenc & ienc string
*/
typedef struct {
char* oenc;
char* ienc;
} ja_auto_iconv_t;
/*
* ja_auto_iconv_open()
* by Kazuhiko Iwama (iwama@ymc.ne.jp)
* This code is for iconv() interface compatibility.
*/
static iconv_t
ja_auto_iconv_open(const char *oenc, const char *ienc) {
ja_auto_iconv_t* cd;
if (strncasecmp("JA-AUTO", ienc, 7) != 0) return (iconv_t)(-1);
cd = (ja_auto_iconv_t*)malloc(sizeof(ja_auto_iconv_t));
if (cd == NULL) return (iconv_t)(-1);
cd->oenc = strdup(oenc);
cd->ienc = strdup(ienc);
if (cd->oenc == NULL || cd->ienc == NULL){
return (iconv_t)(-1);
} else {
return (iconv_t)cd;
}
}
/*
* ja_auto_iconv_close()
* by Kazuhiko Iwama (iwama@ymc.ne.jp)
* This code is for iconv() interface compatibility.
* and processes nothing but returns normal return code(fixes to 1).
*/
static int
ja_auto_iconv_close(iconv_t _cd) {
ja_auto_iconv_t* cd = _cd;
if (_cd == (iconv_t)(-1) || cd == NULL) return 0;
free(cd->oenc);
free(cd->ienc);
free(cd);
return 0;
}
/* ja_auto_iconv()
* by Kazuhiko Iwama (iwama@ymc.ne.jp)
*/
static size_t
ja_auto_iconv(iconv_t _cd, char **srcbuf, size_t *srclen, char **outbuf, size_t *outlen) {
iconv_hook_module *cm;
ja_auto_iconv_t *cd = _cd;
iconv_t cd2;
size_t ret = -1;
const char *enc;
if (! (srcbuf && srclen && outbuf && outlen))
return 0;
enc = autodetect_encoding(*srcbuf, cd->ienc);
if (strcasecmp(enc, "MSSJIS") == 0){
if (strcasecmp(cd->oenc, "UTF-8") == 0 || strcasecmp(cd->oenc, "UTF8") == 0){
cm = iconv_hook_mssjis_init();
} else {
cm = iconv_hook_default_init();
enc = "SJIS";
}
} else {
cm = iconv_hook_default_init();
}
if ( cm != NULL && (cd2 = (*(cm->iconv_open))(cd->oenc, enc)) != (iconv_t)(-1)) {
ret = (*(cm->iconv))(cd2, srcbuf, srclen, outbuf, outlen);
(*(cm->iconv_close))(cd2);
}
return ret;
}
static iconv_hook_module iconv_hook_ja_auto = {
ja_auto_iconv,
ja_auto_iconv_open,
ja_auto_iconv_close,
};
iconv_hook_module *
iconv_hook_ja_auto_init(void) {
return &iconv_hook_ja_auto;
}
|
