1 files changed, 107 insertions, 0 deletions

diff --git a/busybox/include/unarchive.h b/busybox/include/unarchive.h
new file mode 100644
index 000000000..1679b73ab
--- /dev/null
+++ b/busybox/include/unarchive.h
@@ -0,0 +1,107 @@
+#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_EXTRACT_NEWER   16
+
+#include <sys/types.h>
+#include <stdio.h>
+#include "libbb.h"
+
+typedef struct file_headers_s {
+        char *name;
+        char *link_name;
+        off_t size;
+        uid_t uid;
+        gid_t gid;
+        mode_t mode;
+        time_t mtime;
+        dev_t device;
+} file_header_t;
+
+typedef struct archive_handle_s {
+        /* define if the header and data compenent should processed */
+        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 header component, e.g. tar -t */
+        void (*action_header)(const file_header_t *);
+
+        /* 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 */
+        struct archive_handle_s *sub_archive;
+
+        /* The raw stream as read from disk or stdin */
+        int src_fd;
+
+        /* Count the number of bytes processed */
+        off_t offset;
+
+        /* 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 */
+        unsigned char flags;
+
+} archive_handle_t;
+
+extern archive_handle_t *init_handle(void);
+
+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_to_stdout(archive_handle_t *archive_handle);
+extern void data_extract_to_buffer(archive_handle_t *archive_handle);
+
+extern void header_skip(const file_header_t *file_header);
+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 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 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 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 const llist_t *find_list_entry(const llist_t *list, const char *filename);
+
+extern int uncompressStream(int src_fd, int dst_fd);
+extern void inflate_init(unsigned int bufsize);
+extern int inflate_unzip(int in, int out);
+extern int inflate_gunzip(int in, int out);
+
+extern int open_transformer(int src_fd, int (*transformer)(int src_fd, int dst_fd));
+
+
+#endif