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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
#include <string.h>
#include "mutt.h"
#include "iconv.h"
#include "lib.h"
#include "charset.h"
/*
* One day, gettext will return strings in the appropriate
* encoding. In the meantime, we use this code to handle
* the conversion.
*/
struct gt_hash_elem
{
const char *key;
char *data;
struct gt_hash_elem *next;
};
#define gt_hash_size 127
static char *get_charset (const char *header)
{
/* FIXME: the comparison should at least be case-insensitive */
const char f[] = "\nContent-Type: text/plain; charset=";
char *charset, *i, *j;
charset = 0;
i = strstr (header, f);
if (i)
{
i += sizeof (f)-1;
for (j = i; *j >= 32; j++)
;
charset = safe_malloc (j-i+1);
memcpy (charset, i, j-i);
charset[j-i] = '\0';
}
return charset;
}
char *mutt_gettext (const char *message)
{
static struct gt_hash_elem **messages = 0;
static char *po_header = 0;
static char *po_charset = 0;
static char *message_charset = 0;
static char *outrepl = "?";
static iconv_t cd = (iconv_t)-1;
int change_cd = 0;
char *t, *orig;
char *header_msgid = "";
/* gettext ("") doesn't work due to __builtin_constant_p optimisation */
if ((t = gettext (header_msgid)) != po_header)
{
po_header = t;
t = get_charset (po_header);
if (t != po_charset &&
(!t || !po_charset || strcmp (t, po_charset)))
{
free (po_charset);
po_charset = t;
change_cd = 1;
}
else
free (t);
}
if (message_charset != Charset &&
(!message_charset || !Charset || strcmp (message_charset, Charset)))
{
free (message_charset);
if (Charset)
{
int n = strlen (Charset);
message_charset = safe_malloc (n+1);
memcpy (message_charset, Charset, n+1);
}
else
message_charset = 0;
outrepl = mutt_is_utf8 (message_charset) ? "\357\277\275" : "?";
change_cd = 1;
}
if (change_cd)
{
if (cd != (iconv_t)-1)
iconv_close (cd);
if (message_charset)
cd = iconv_open (message_charset, po_charset ? po_charset : "UTF-8");
else
cd = (iconv_t)-1;
if (messages)
{
int i;
struct gt_hash_elem *p, *pn;
for (i = 0; i < gt_hash_size; i++)
for (p = messages[i]; p; p = pn)
{
pn = p->next;
free (p);
}
free (messages);
messages = 0;
}
}
orig = gettext (message);
if (cd == (iconv_t)-1)
return orig;
else
{
struct gt_hash_elem *p;
int hash;
char *s, *t;
int n, nn;
const char *ib;
char *ob;
size_t ibl, obl;
if (!messages)
{
messages = safe_malloc (gt_hash_size * sizeof (*messages));
memset (messages, 0, gt_hash_size * sizeof (*messages));
}
hash = (long int)orig % gt_hash_size; /* not very clever */
for (p = messages[hash]; p && p->key != orig; p = p->next)
;
if (p)
return p->data;
n = strlen (orig);
nn = n + 1;
t = safe_malloc (nn);
ib = orig, ibl = n;
ob = t, obl = n;
for (;;)
{
mutt_iconv (cd, &ib, &ibl, &ob, &obl, 0, outrepl);
if (!ibl || obl > 256)
break;
s = t;
safe_realloc ((void **)&t, nn += n);
ob += t - s;
obl += n;
}
*ob = '\0';
n = strlen (t);
s = safe_malloc (n+1);
memcpy (s, t, n+1);
free (t);
p = safe_malloc (sizeof (struct gt_hash_elem));
p->key = orig;
p->data = s;
p->next = messages[hash];
messages[hash] = p;
return s;
}
}
|