diff options
Diffstat (limited to 'ar.c')
-rw-r--r-- | ar.c | 89 |
1 files changed, 0 insertions, 89 deletions
@@ -1,89 +0,0 @@ | |||
1 | /* vi: set sw=4 ts=4: */ | ||
2 | /* | ||
3 | * Mini ar implementation for busybox | ||
4 | * | ||
5 | * Copyright (C) 2000 by Glenn McGrath | ||
6 | * Written by Glenn McGrath <bug1@optushome.com.au> 1 June 2000 | ||
7 | * | ||
8 | * Based in part on BusyBox tar, Debian dpkg-deb and GNU ar. | ||
9 | * | ||
10 | * This program is free software; you can redistribute it and/or modify | ||
11 | * it under the terms of the GNU General Public License as published by | ||
12 | * the Free Software Foundation; either version 2 of the License, or | ||
13 | * (at your option) any later version. | ||
14 | * | ||
15 | * This program is distributed in the hope that it will be useful, | ||
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
18 | * General Public License for more details. | ||
19 | * | ||
20 | * You should have received a copy of the GNU General Public License | ||
21 | * along with this program; if not, write to the Free Software | ||
22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
23 | * | ||
24 | */ | ||
25 | #include <fcntl.h> | ||
26 | #include <stdlib.h> | ||
27 | #include <string.h> | ||
28 | #include <getopt.h> | ||
29 | #include <unistd.h> | ||
30 | #include "busybox.h" | ||
31 | |||
32 | extern int ar_main(int argc, char **argv) | ||
33 | { | ||
34 | FILE *src_stream = NULL; | ||
35 | char **extract_names = NULL; | ||
36 | char ar_magic[8]; | ||
37 | int extract_function = extract_unconditional; | ||
38 | int opt; | ||
39 | int num_of_entries = 0; | ||
40 | extern off_t archive_offset; | ||
41 | |||
42 | while ((opt = getopt(argc, argv, "ovtpx")) != -1) { | ||
43 | switch (opt) { | ||
44 | case 'o': | ||
45 | extract_function |= extract_preserve_date; | ||
46 | break; | ||
47 | case 'v': | ||
48 | extract_function |= extract_verbose_list; | ||
49 | break; | ||
50 | case 't': | ||
51 | extract_function |= extract_list; | ||
52 | break; | ||
53 | case 'p': | ||
54 | extract_function |= extract_to_stdout; | ||
55 | break; | ||
56 | case 'x': | ||
57 | extract_function |= extract_all_to_fs; | ||
58 | break; | ||
59 | default: | ||
60 | show_usage(); | ||
61 | } | ||
62 | } | ||
63 | |||
64 | /* check the src filename was specified */ | ||
65 | if (optind == argc) { | ||
66 | show_usage(); | ||
67 | } | ||
68 | |||
69 | src_stream = xfopen(argv[optind++], "r"); | ||
70 | |||
71 | /* check ar magic */ | ||
72 | fread(ar_magic, 1, 8, src_stream); | ||
73 | archive_offset = 8; | ||
74 | if (strncmp(ar_magic,"!<arch>",7) != 0) { | ||
75 | error_msg_and_die("invalid magic"); | ||
76 | } | ||
77 | |||
78 | /* Create a list of files to extract */ | ||
79 | while (optind < argc) { | ||
80 | extract_names = xrealloc(extract_names, sizeof(char *) * (num_of_entries + 2)); | ||
81 | extract_names[num_of_entries] = xstrdup(argv[optind]); | ||
82 | num_of_entries++; | ||
83 | extract_names[num_of_entries] = NULL; | ||
84 | optind++; | ||
85 | } | ||
86 | |||
87 | unarchive(src_stream, stdout, &get_header_ar, extract_function, "./", extract_names, NULL); | ||
88 | return EXIT_SUCCESS; | ||
89 | } | ||