+/* vi: set sw=4 ts=4: */
#ifndef __UNARCHIVE_H__
#define __UNARCHIVE_H__
-#define ARCHIVE_PRESERVE_DATE 1
-#define ARCHIVE_CREATE_LEADING_DIRS 2
-#define ARCHIVE_EXTRACT_UNCONDITIONAL 4
-#define ARCHIVE_EXTRACT_QUIET 8
+#define ARCHIVE_PRESERVE_DATE 1
+#define ARCHIVE_CREATE_LEADING_DIRS 2
+#define ARCHIVE_EXTRACT_UNCONDITIONAL 4
+#define ARCHIVE_EXTRACT_QUIET 8
+#define ARCHIVE_EXTRACT_NEWER 16
+#define ARCHIVE_NOPRESERVE_OWN 32
+#define ARCHIVE_NOPRESERVE_PERM 64
-#include <sys/types.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 */
+ /* define if the header and data component should be processed */
+ char (*filter)(struct archive_handle_s *);
+ llist_t *accept;
+ /* List of files that have been rejected */
+ llist_t *reject;
+ /* List of files that have successfully been worked on */
+ llist_t *passed;
/* Contains the processed header entry */
file_header_t *file_header;
/* process the header component, e.g. tar -t */
void (*action_header)(const file_header_t *);
- /* process the data componenet, e.g. extract to filesystem */
+ /* process the data component, 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;
- /* Temperary storage */
+ /* Function that skips data: read_by_char or read_by_skip */
+ void (*seek)(const struct archive_handle_s *archive_handle, const unsigned int amount);
+
+ /* Temporary storage */
char *buffer;
- /* Misc. stuff */
+ /* Flags and misc. stuff */
unsigned char flags;
} archive_handle_t;
+
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 header_list(const file_header_t *file_header);
extern void header_verbose_list(const file_header_t *file_header);
-extern void check_header_gzip(int src_fd);
-extern void check_trailer_gzip(int src_fd);
+extern void check_header_gzip_or_die(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_lzma(archive_handle_t *archive_handle);
extern char get_header_tar_gz(archive_handle_t *archive_handle);
-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 void seek_by_jump(const archive_handle_t *archive_handle, const unsigned int amount);
+extern void seek_by_read(const archive_handle_t *archive_handle, const unsigned int amount);
+
+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 const llist_t *find_list_entry(const llist_t *list, const char *filename);
+extern const llist_t *find_list_entry2(const llist_t *list, const char *filename);
+
+extern USE_DESKTOP(long long) int uncompressStream(int src_fd, int dst_fd);
+
+typedef struct inflate_unzip_result {
+ off_t bytes_out;
+ uint32_t crc;
+} inflate_unzip_result;
+
+extern USE_DESKTOP(long long) int inflate_unzip(inflate_unzip_result *res, unsigned bufsize, int in, int out);
+extern USE_DESKTOP(long long) int inflate_gunzip(int in, int out);
+extern USE_DESKTOP(long long) int unlzma(int src_fd, int dst_fd);
+
+extern int open_transformer(int src_fd,
+ USE_DESKTOP(long long) int (*transformer)(int src_fd, int dst_fd));
+
#endif
projects / oweals / busybox.git / blobdiff