Annotation of /trunk/mkinitrd-magellan/busybox/archival/ar.c
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Revision 984 -
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Sun May 30 11:32:42 2010 UTC (13 years, 11 months ago) by niro
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File size: 2349 byte(s)
Sun May 30 11:32:42 2010 UTC (13 years, 11 months ago) by niro
File MIME type: text/plain
File size: 2349 byte(s)
-updated to busybox-1.16.1 and enabled blkid/uuid support in default config
1 | niro | 532 | /* vi: set sw=4 ts=4: */ |
2 | /* | ||
3 | * Mini ar implementation for busybox | ||
4 | * | ||
5 | * Copyright (C) 2000 by Glenn McGrath | ||
6 | * | ||
7 | * Based in part on BusyBox tar, Debian dpkg-deb and GNU ar. | ||
8 | * | ||
9 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. | ||
10 | * | ||
11 | * There is no single standard to adhere to so ar may not portable | ||
12 | * between different systems | ||
13 | * http://www.unix-systems.org/single_unix_specification_v2/xcu/ar.html | ||
14 | */ | ||
15 | |||
16 | niro | 816 | #include "libbb.h" |
17 | niro | 532 | #include "unarchive.h" |
18 | |||
19 | niro | 816 | static void FAST_FUNC header_verbose_list_ar(const file_header_t *file_header) |
20 | niro | 532 | { |
21 | const char *mode = bb_mode_string(file_header->mode); | ||
22 | char *mtime; | ||
23 | |||
24 | mtime = ctime(&file_header->mtime); | ||
25 | mtime[16] = ' '; | ||
26 | memmove(&mtime[17], &mtime[20], 4); | ||
27 | mtime[21] = '\0'; | ||
28 | printf("%s %d/%d%7d %s %s\n", &mode[1], file_header->uid, file_header->gid, | ||
29 | (int) file_header->size, &mtime[4], file_header->name); | ||
30 | } | ||
31 | |||
32 | #define AR_CTX_PRINT 0x01 | ||
33 | #define AR_CTX_LIST 0x02 | ||
34 | #define AR_CTX_EXTRACT 0x04 | ||
35 | #define AR_OPT_PRESERVE_DATE 0x08 | ||
36 | #define AR_OPT_VERBOSE 0x10 | ||
37 | #define AR_OPT_CREATE 0x20 | ||
38 | #define AR_OPT_INSERT 0x40 | ||
39 | |||
40 | niro | 816 | int ar_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
41 | niro | 984 | int ar_main(int argc UNUSED_PARAM, char **argv) |
42 | niro | 532 | { |
43 | niro | 816 | static const char msg_unsupported_err[] ALIGN1 = |
44 | "archive %s is not supported"; | ||
45 | |||
46 | niro | 532 | archive_handle_t *archive_handle; |
47 | unsigned opt; | ||
48 | |||
49 | archive_handle = init_handle(); | ||
50 | |||
51 | /* Prepend '-' to the first argument if required */ | ||
52 | niro | 816 | opt_complementary = "--:p:t:x:-1:p--tx:t--px:x--pt"; |
53 | opt = getopt32(argv, "ptxovcr"); | ||
54 | niro | 984 | argv += optind; |
55 | niro | 532 | |
56 | if (opt & AR_CTX_PRINT) { | ||
57 | archive_handle->action_data = data_extract_to_stdout; | ||
58 | } | ||
59 | if (opt & AR_CTX_LIST) { | ||
60 | archive_handle->action_header = header_list; | ||
61 | } | ||
62 | if (opt & AR_CTX_EXTRACT) { | ||
63 | archive_handle->action_data = data_extract_all; | ||
64 | } | ||
65 | if (opt & AR_OPT_PRESERVE_DATE) { | ||
66 | niro | 984 | archive_handle->ah_flags |= ARCHIVE_RESTORE_DATE; |
67 | niro | 532 | } |
68 | if (opt & AR_OPT_VERBOSE) { | ||
69 | archive_handle->action_header = header_verbose_list_ar; | ||
70 | } | ||
71 | if (opt & AR_OPT_CREATE) { | ||
72 | bb_error_msg_and_die(msg_unsupported_err, "creation"); | ||
73 | } | ||
74 | if (opt & AR_OPT_INSERT) { | ||
75 | bb_error_msg_and_die(msg_unsupported_err, "insertion"); | ||
76 | } | ||
77 | |||
78 | niro | 984 | archive_handle->src_fd = xopen(*argv++, O_RDONLY); |
79 | niro | 532 | |
80 | niro | 984 | while (*argv) { |
81 | niro | 532 | archive_handle->filter = filter_accept_list; |
82 | niro | 984 | llist_add_to(&archive_handle->accept, *argv++); |
83 | niro | 532 | } |
84 | |||
85 | niro | 816 | unpack_ar_archive(archive_handle); |
86 | niro | 532 | |
87 | return EXIT_SUCCESS; | ||
88 | } |