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
|
/*
* Copyright (C) 2023 Patrick McDermott
*
* This file is part of opkg-opk.
*
* opkg-opk is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* opkg-opk is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with opkg-opk. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdlib.h>
#include "defs.h"
#include "gzip.h"
#include "ustar.h"
struct _opkg_opk_main_file {
FILE *file;
char buffer[8192];
};
static int
_opkg_opk_main_file_read(void *user_data, char **buffer, size_t *size)
{
struct _opkg_opk_main_file *file = user_data;
*buffer = file->buffer;
*size = fread(file->buffer, 1, 8192, file->file);
if (feof(file->file)) {
return OPKG_OPK_END;
} else if (ferror(file->file) || *size == 0) {
return OPKG_OPK_ERROR;
} else {
return OPKG_OPK_OK;
}
}
int
main(int argc, char *argv[])
{
struct _opkg_opk_main_file file;
struct opkg_opk_gzip *gzip;
struct opkg_opk_ustar *ustar;
struct opkg_opk_ustar_member member;
int ret;
file.file = fopen(argv[1], "rb");
if (file.file == NULL) {
return EXIT_FAILURE;
}
gzip = opkg_opk_gzip_init(&_opkg_opk_main_file_read, &file);
if (gzip == NULL) {
fclose(file.file);
return EXIT_FAILURE;
}
ustar = opkg_opk_ustar_init(gzip);
if (ustar == NULL) {
/* TODO: Free gzip. */
fclose(file.file);
return EXIT_FAILURE;
}
while ((ret = opkg_opk_ustar_list(ustar, &member)) == OPKG_OPK_OK) {
puts(member.name);
}
/* TODO: Free ustar and gzip. */
fclose(file.file);
return EXIT_SUCCESS;
}
|
