#define ARCHIVE_CREATE_LEADING_DIRS 2
#define ARCHIVE_EXTRACT_UNCONDITIONAL 4
#define ARCHIVE_EXTRACT_QUIET 8
+#define ARCHIVE_EXTRACT_NEWER 16
#include <sys/types.h>
#include <stdio.h>
-
-typedef struct gunzip_s {
- unsigned short buffer_count;
- unsigned char *buffer;
- unsigned int crc;
- unsigned int count;
-} gunzip_t;
+#include "libbb.h"
typedef struct file_headers_s {
char *name;
dev_t device;
} file_header_t;
-typedef struct llist_s {
- const char *data;
- const struct llist_s *link;
-} llist_t;
-
typedef struct archive_handle_s {
/* define if the header and data compenent should processed */
- char (*filter)(const llist_t *, const llist_t *, const char *);
- const llist_t *accept;
- const llist_t *reject;
- const llist_t *passed; /* List of files that have successfully been worked on */
+ char (*filter)(struct archive_handle_s *);
+ llist_t *accept;
+ llist_t *reject;
+ llist_t *passed; /* List of files that have successfully been worked on */
/* Contains the processed header entry */
file_header_t *file_header;
/* process the data componenet, e.g. extract to filesystem */
void (*action_data)(struct archive_handle_s *);
+
+ /* How to process any sub archive, e.g. get_header_tar_gz */
char (*action_data_subarchive)(struct archive_handle_s *);
/* Contains the handle to a sub archive */
/* Count the number of bytes processed */
off_t offset;
+ /* Function that reads data: read or read_bz */
+ ssize_t (*read)(int fd, void *buf, size_t count);
+
+ /* Function that skips data: read_by_char or read_by_skip */
+ void (*seek)(const struct archive_handle_s *archive_handle, const unsigned int amount);
+
/* Temperary storage */
char *buffer;
extern archive_handle_t *init_handle(void);
-extern char filter_accept_all(const llist_t *accept_list, const llist_t *reject_list, const char *key);
-extern char filter_accept_list(const llist_t *accept_list, const llist_t *reject_list, const char *key);
-extern char filter_accept_reject_list(const llist_t *accept_list, const llist_t *reject_list, const char *key);
+extern char filter_accept_all(archive_handle_t *archive_handle);
+extern char filter_accept_list(archive_handle_t *archive_handle);
+extern char filter_accept_list_reassign(archive_handle_t *archive_handle);
+extern char filter_accept_reject_list(archive_handle_t *archive_handle);
extern void unpack_ar_archive(archive_handle_t *ar_archive);
extern void data_skip(archive_handle_t *archive_handle);
extern void data_extract_all(archive_handle_t *archive_handle);
-extern void data_extract_all_prefix(archive_handle_t *archive_handle);
extern void data_extract_to_stdout(archive_handle_t *archive_handle);
extern void data_extract_to_buffer(archive_handle_t *archive_handle);
extern void check_trailer_gzip(int src_fd);
extern char get_header_ar(archive_handle_t *archive_handle);
+extern char get_header_cpio(archive_handle_t *archive_handle);
extern char get_header_tar(archive_handle_t *archive_handle);
+extern char get_header_tar_bz2(archive_handle_t *archive_handle);
extern char get_header_tar_gz(archive_handle_t *archive_handle);
-extern unsigned char uncompressStream(FILE *zStream, FILE *stream);
+extern void seek_by_jump(const archive_handle_t *archive_handle, const unsigned int amount);
+extern void seek_by_char(const archive_handle_t *archive_handle, const unsigned int amount);
-extern void seek_sub_file(int src_fd, unsigned int amount);
-extern const unsigned short data_align(const int src_fd, const unsigned int offset, const unsigned short align_to);
-extern const llist_t *add_to_list(const llist_t *old_head, const char *new_item);
-extern int copy_file_chunk_fd(int src_fd, int dst_fd, unsigned long long chunksize);
+extern unsigned char archive_xread_char(const archive_handle_t *archive_handle);
+extern ssize_t archive_xread(const archive_handle_t *archive_handle, unsigned char *buf, const size_t count);
+extern void archive_xread_all(const archive_handle_t *archive_handle, void *buf, const size_t count);
+extern ssize_t archive_xread_all_eof(archive_handle_t *archive_handle, unsigned char *buf, size_t count);
+
+extern void data_align(archive_handle_t *archive_handle, const unsigned short boundary);
+extern void archive_copy_file(const archive_handle_t *archive_handle, const int dst_fd);
extern const llist_t *find_list_entry(const llist_t *list, const char *filename);
+
+extern ssize_t read_bz2(int fd, void *buf, size_t count);
+extern void BZ2_bzReadOpen(int fd, void *unused, int nUnused);
+extern void BZ2_bzReadClose(void);
+extern unsigned char uncompressStream(int src_fd, int dst_fd);
+
+extern ssize_t read_gz(int fd, void *buf, size_t count);
+extern void GZ_gzReadOpen(int fd, void *unused, int nUnused);
+extern void GZ_gzReadClose(void);
+extern int inflate(int in, int out);
+
#endif