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
|
#include "loader_common.h"
#include <bzlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <assert.h>
#define OUTBUF_SIZE 16384
#define INBUF_SIZE 1024
static int
uncompress_file(FILE * fp, int dest)
{
BZFILE *bf;
DATA8 outbuf[OUTBUF_SIZE];
int bytes, error, ret = 1;
bf = BZ2_bzReadOpen(&error, fp, 0, 0, NULL, 0);
if (error != BZ_OK)
{
BZ2_bzReadClose(NULL, bf);
return 0;
}
while (1)
{
bytes = BZ2_bzRead(&error, bf, &outbuf, OUTBUF_SIZE);
if (error == BZ_OK || error == BZ_STREAM_END)
write(dest, outbuf, bytes);
if (error == BZ_STREAM_END)
break;
else if (error != BZ_OK)
{
ret = 0;
break;
}
}
BZ2_bzReadClose(&error, bf);
return ret;
}
char
load(ImlibImage * im, ImlibProgressFunction progress,
char progress_granularity, char immediate_load)
{
ImlibLoader *loader;
FILE *fp;
int dest, res;
char *file, tmp[] = "/tmp/imlib2_loader_bz2-XXXXXX", *p;
char real_ext[16];
assert(im);
/* make sure this file ends in ".bz2" and that there's another ext
* (e.g. "foo.png.bz2"
*/
p = strrchr(im->real_file, '.');
if (p && p != im->real_file)
{
if (strcasecmp(p + 1, "bz2"))
return 0;
}
else
return 0;
strncpy(real_ext, p - sizeof(real_ext) + 1, sizeof(real_ext));
real_ext[sizeof(real_ext) - 1] = '\0';
/* abort if there's no dot in the "real" filename */
if (!strrchr(real_ext, '.'))
return 0;
if (!(fp = fopen(im->real_file, "rb")))
{
return 0;
}
if ((dest = mkstemp(tmp)) < 0)
{
fclose(fp);
return 0;
}
res = uncompress_file(fp, dest);
fclose(fp);
close(dest);
if (!res)
{
unlink(tmp);
return 0;
}
if (!(loader = __imlib_FindBestLoaderForFile(real_ext, 0)))
{
unlink(tmp);
return 0;
}
/* remember the original filename */
file = strdup(im->real_file);
free(im->real_file);
im->real_file = strdup(tmp);
loader->load(im, progress, progress_granularity, immediate_load);
free(im->real_file);
im->real_file = file;
unlink(tmp);
return 1;
}
void
formats(ImlibLoader * l)
{
static const char *const list_formats[] = { "bz2" };
int i;
l->num_formats = sizeof(list_formats) / sizeof(char *);
l->formats = malloc(sizeof(char *) * l->num_formats);
for (i = 0; i < l->num_formats; i++)
l->formats[i] = strdup(list_formats[i]);
}
|
