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gerrit.nordix.org / codeaurora / busybox / 6eb1e416743c597f8ecd3b595ddb00d3aa42c1f4 / . / include / unarchive.h
blob: 1679b73ab1b90f60fd5e994d5a9a4e6dc5b4b05a [file] [log] [blame]
Glenn L McGrath7ca04f32002-09-25 02:47:48 +0000[diff] [blame]1#ifndef __UNARCHIVE_H__
2#define __UNARCHIVE_H__
Glenn L McGrathe9fc7812001-10-25 14:57:14 +0000[diff] [blame]3
Glenn L McGrath7ca04f32002-09-25 02:47:48 +0000[diff] [blame]4#define ARCHIVE_PRESERVE_DATE 1
5#define ARCHIVE_CREATE_LEADING_DIRS 2
6#define ARCHIVE_EXTRACT_UNCONDITIONAL 4
7#define ARCHIVE_EXTRACT_QUIET 8
Glenn L McGrath4cee66d2003-08-28 19:12:23 +0000[diff] [blame]8#define ARCHIVE_EXTRACT_NEWER 16
Glenn L McGrath7ca04f32002-09-25 02:47:48 +0000[diff] [blame]9
10#include <sys/types.h>
Glenn L McGrath237ae422002-11-03 14:05:15 +0000[diff] [blame]11#include <stdio.h>
Glenn L McGrath66125c82002-12-08 00:54:33 +0000[diff] [blame]12#include "libbb.h"
Glenn L McGrathe9fc7812001-10-25 14:57:14 +0000[diff] [blame]13
14typedef struct file_headers_s {
15 char *name;
16 char *link_name;
17 off_t size;
18 uid_t uid;
19 gid_t gid;
20 mode_t mode;
21 time_t mtime;
22 dev_t device;
23} file_header_t;
24
Glenn L McGrath7ca04f32002-09-25 02:47:48 +0000[diff] [blame]25typedef struct archive_handle_s {
26 /* define if the header and data compenent should processed */
Glenn L McGrath18bbca12002-11-05 01:52:23 +0000[diff] [blame]27 char (*filter)(struct archive_handle_s *);
Glenn L McGrath66125c82002-12-08 00:54:33 +0000[diff] [blame]28 llist_t *accept;
29 llist_t *reject;
30 llist_t *passed; /* List of files that have successfully been worked on */
Glenn L McGrathe9fc7812001-10-25 14:57:14 +0000[diff] [blame]31
Glenn L McGrath7ca04f32002-09-25 02:47:48 +0000[diff] [blame]32 /* Contains the processed header entry */
33 file_header_t *file_header;
Glenn L McGrathe9fc7812001-10-25 14:57:14 +0000[diff] [blame]34
Glenn L McGrath7ca04f32002-09-25 02:47:48 +0000[diff] [blame]35 /* process the header component, e.g. tar -t */
36 void (*action_header)(const file_header_t *);
Glenn L McGrathe9fc7812001-10-25 14:57:14 +0000[diff] [blame]37
Glenn L McGrathf235d052003-10-29 03:37:54 +0000[diff] [blame]38 /* process the data component, e.g. extract to filesystem */
Glenn L McGrath7ca04f32002-09-25 02:47:48 +0000[diff] [blame]39 void (*action_data)(struct archive_handle_s *);
Eric Andersenc7bda1c2004-03-15 08:29:22 +0000[diff] [blame]40
Glenn L McGrath18bbca12002-11-05 01:52:23 +0000[diff] [blame]41 /* How to process any sub archive, e.g. get_header_tar_gz */
Glenn L McGrath7ca04f32002-09-25 02:47:48 +0000[diff] [blame]42 char (*action_data_subarchive)(struct archive_handle_s *);
43
44 /* Contains the handle to a sub archive */
45 struct archive_handle_s *sub_archive;
46
47 /* The raw stream as read from disk or stdin */
48 int src_fd;
49
50 /* Count the number of bytes processed */
51 off_t offset;
52
Glenn L McGrath237ae422002-11-03 14:05:15 +0000[diff] [blame]53 /* Function that skips data: read_by_char or read_by_skip */
54 void (*seek)(const struct archive_handle_s *archive_handle, const unsigned int amount);
55
Glenn L McGrathf235d052003-10-29 03:37:54 +0000[diff] [blame]56 /* Temporary storage */
Glenn L McGrath61b79042002-10-19 10:40:55 +0000[diff] [blame]57 char *buffer;
58
Glenn L McGrath7ca04f32002-09-25 02:47:48 +0000[diff] [blame]59 /* Misc. stuff */
60 unsigned char flags;
61
62} archive_handle_t;
63
64extern archive_handle_t *init_handle(void);
65
Glenn L McGrath18bbca12002-11-05 01:52:23 +0000[diff] [blame]66extern char filter_accept_all(archive_handle_t *archive_handle);
67extern char filter_accept_list(archive_handle_t *archive_handle);
68extern char filter_accept_list_reassign(archive_handle_t *archive_handle);
69extern char filter_accept_reject_list(archive_handle_t *archive_handle);
Glenn L McGrath7ca04f32002-09-25 02:47:48 +0000[diff] [blame]70
71extern void unpack_ar_archive(archive_handle_t *ar_archive);
72
Glenn L McGrath7ca04f32002-09-25 02:47:48 +0000[diff] [blame]73extern void data_skip(archive_handle_t *archive_handle);
74extern void data_extract_all(archive_handle_t *archive_handle);
75extern void data_extract_to_stdout(archive_handle_t *archive_handle);
Glenn L McGrath61b79042002-10-19 10:40:55 +0000[diff] [blame]76extern void data_extract_to_buffer(archive_handle_t *archive_handle);
Glenn L McGrath7ca04f32002-09-25 02:47:48 +0000[diff] [blame]77
78extern void header_skip(const file_header_t *file_header);
79extern void header_list(const file_header_t *file_header);
80extern void header_verbose_list(const file_header_t *file_header);
81
82extern void check_header_gzip(int src_fd);
Glenn L McGrath7ca04f32002-09-25 02:47:48 +0000[diff] [blame]83
84extern char get_header_ar(archive_handle_t *archive_handle);
Glenn L McGrathb72a7352002-12-10 00:17:22 +0000[diff] [blame]85extern char get_header_cpio(archive_handle_t *archive_handle);
Glenn L McGrath7ca04f32002-09-25 02:47:48 +0000[diff] [blame]86extern char get_header_tar(archive_handle_t *archive_handle);
Glenn L McGrath7f2a9532002-11-05 02:56:57 +0000[diff] [blame]87extern char get_header_tar_bz2(archive_handle_t *archive_handle);
Glenn L McGrath7ca04f32002-09-25 02:47:48 +0000[diff] [blame]88extern char get_header_tar_gz(archive_handle_t *archive_handle);
89
Glenn L McGrath237ae422002-11-03 14:05:15 +0000[diff] [blame]90extern void seek_by_jump(const archive_handle_t *archive_handle, const unsigned int amount);
91extern void seek_by_char(const archive_handle_t *archive_handle, const unsigned int amount);
Glenn L McGrath60bce492002-11-03 07:28:38 +0000[diff] [blame]92
Glenn L McGrath237ae422002-11-03 14:05:15 +0000[diff] [blame]93extern void archive_xread_all(const archive_handle_t *archive_handle, void *buf, const size_t count);
94extern ssize_t archive_xread_all_eof(archive_handle_t *archive_handle, unsigned char *buf, size_t count);
95
96extern void data_align(archive_handle_t *archive_handle, const unsigned short boundary);
Glenn L McGrathc5c1a8a2002-10-19 06:19:22 +0000[diff] [blame]97extern const llist_t *find_list_entry(const llist_t *list, const char *filename);
Glenn L McGrath237ae422002-11-03 14:05:15 +0000[diff] [blame]98
Glenn L McGrath5699b852003-11-15 23:19:05 +0000[diff] [blame]99extern int uncompressStream(int src_fd, int dst_fd);
100extern void inflate_init(unsigned int bufsize);
101extern int inflate_unzip(int in, int out);
102extern int inflate_gunzip(int in, int out);
Glenn L McGrath237ae422002-11-03 14:05:15 +0000[diff] [blame]103
Glenn L McGrath5699b852003-11-15 23:19:05 +0000[diff] [blame]104extern int open_transformer(int src_fd, int (*transformer)(int src_fd, int dst_fd));
105
Glenn L McGrathefe78892002-11-19 21:07:17 +0000[diff] [blame]106
Glenn L McGrath7ca04f32002-09-25 02:47:48 +0000[diff] [blame]107#endif