1 #ifndef __UNARCHIVE_H__
2 #define __UNARCHIVE_H__
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
12 typedef struct gunzip_s {
13 unsigned short buffer_count;
14 unsigned char *buffer;
19 typedef struct file_headers_s {
30 typedef struct llist_s {
32 const struct llist_s *link;
35 typedef struct archive_handle_s {
36 /* define if the header and data compenent should processed */
37 char (*filter)(const llist_t *, const llist_t *, const char *);
38 const llist_t *accept;
39 const llist_t *reject;
40 const llist_t *passed; /* List of files that have successfully been worked on */
42 /* Contains the processed header entry */
43 file_header_t *file_header;
45 /* process the header component, e.g. tar -t */
46 void (*action_header)(const file_header_t *);
48 /* process the data componenet, e.g. extract to filesystem */
49 void (*action_data)(struct archive_handle_s *);
50 char (*action_data_subarchive)(struct archive_handle_s *);
52 /* Contains the handle to a sub archive */
53 struct archive_handle_s *sub_archive;
55 /* The raw stream as read from disk or stdin */
58 /* Count the number of bytes processed */
61 /* Temperary storage */
69 extern archive_handle_t *init_handle(void);
71 extern char filter_accept_all(const llist_t *accept_list, const llist_t *reject_list, const char *key);
72 extern char filter_accept_list(const llist_t *accept_list, const llist_t *reject_list, const char *key);
73 extern char filter_accept_reject_list(const llist_t *accept_list, const llist_t *reject_list, const char *key);
75 extern void unpack_ar_archive(archive_handle_t *ar_archive);
77 extern void data_skip(archive_handle_t *archive_handle);
78 extern void data_extract_all(archive_handle_t *archive_handle);
79 extern void data_extract_to_stdout(archive_handle_t *archive_handle);
80 extern void data_extract_to_buffer(archive_handle_t *archive_handle);
82 extern void header_skip(const file_header_t *file_header);
83 extern void header_list(const file_header_t *file_header);
84 extern void header_verbose_list(const file_header_t *file_header);
86 extern void check_header_gzip(int src_fd);
87 extern void check_trailer_gzip(int src_fd);
89 extern char get_header_ar(archive_handle_t *archive_handle);
90 extern char get_header_tar(archive_handle_t *archive_handle);
91 extern char get_header_tar_gz(archive_handle_t *archive_handle);
93 extern unsigned char uncompressStream(FILE *zStream, FILE *stream);
95 extern void seek_sub_file(int src_fd, unsigned int amount);
96 extern const unsigned short data_align(const int src_fd, const unsigned int offset, const unsigned short align_to);
97 extern const llist_t *add_to_list(const llist_t *old_head, const char *new_item);
98 extern int copy_file_chunk_fd(int src_fd, int dst_fd, unsigned long long chunksize);
99 extern const llist_t *find_list_entry(const llist_t *list, const char *filename);