defc1ea340
text data bss dec hex filename 808035 611 6868 815514 c719a busybox_old 804472 611 6868 811951 c63af busybox_unstripped
138 lines
5.1 KiB
C
138 lines
5.1 KiB
C
/* vi: set sw=4 ts=4: */
|
|
#ifndef __UNARCHIVE_H__
|
|
#define __UNARCHIVE_H__
|
|
|
|
#if __GNUC_PREREQ(4,1)
|
|
# pragma GCC visibility push(hidden)
|
|
#endif
|
|
|
|
#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
|
|
|
|
typedef struct file_header_t {
|
|
char *name;
|
|
char *link_target;
|
|
#if ENABLE_FEATURE_TAR_UNAME_GNAME
|
|
char *uname;
|
|
char *gname;
|
|
#endif
|
|
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_t {
|
|
/* define if the header and data component should be processed */
|
|
char FAST_FUNC (*filter)(struct archive_handle_t *);
|
|
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 FAST_FUNC (*action_header)(const file_header_t *);
|
|
|
|
/* process the data component, e.g. extract to filesystem */
|
|
void FAST_FUNC (*action_data)(struct archive_handle_t *);
|
|
|
|
/* How to process any sub archive, e.g. get_header_tar_gz */
|
|
char FAST_FUNC (*action_data_subarchive)(struct archive_handle_t *);
|
|
|
|
/* Contains the handle to a sub archive */
|
|
struct archive_handle_t *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 FAST_FUNC (*seek)(const struct archive_handle_t *archive_handle, const unsigned amount);
|
|
|
|
/* Temporary storage */
|
|
char *buffer;
|
|
|
|
/* Flags and misc. stuff */
|
|
unsigned char flags;
|
|
|
|
} archive_handle_t;
|
|
|
|
|
|
extern archive_handle_t *init_handle(void) FAST_FUNC;
|
|
|
|
extern char filter_accept_all(archive_handle_t *archive_handle) FAST_FUNC;
|
|
extern char filter_accept_list(archive_handle_t *archive_handle) FAST_FUNC;
|
|
extern char filter_accept_list_reassign(archive_handle_t *archive_handle) FAST_FUNC;
|
|
extern char filter_accept_reject_list(archive_handle_t *archive_handle) FAST_FUNC;
|
|
|
|
extern void unpack_ar_archive(archive_handle_t *ar_archive) FAST_FUNC;
|
|
|
|
extern void data_skip(archive_handle_t *archive_handle) FAST_FUNC;
|
|
extern void data_extract_all(archive_handle_t *archive_handle) FAST_FUNC;
|
|
extern void data_extract_to_stdout(archive_handle_t *archive_handle) FAST_FUNC;
|
|
extern void data_extract_to_buffer(archive_handle_t *archive_handle) FAST_FUNC;
|
|
|
|
extern void header_skip(const file_header_t *file_header) FAST_FUNC;
|
|
extern void header_list(const file_header_t *file_header) FAST_FUNC;
|
|
extern void header_verbose_list(const file_header_t *file_header) FAST_FUNC;
|
|
|
|
extern char get_header_ar(archive_handle_t *archive_handle) FAST_FUNC;
|
|
extern char get_header_cpio(archive_handle_t *archive_handle) FAST_FUNC;
|
|
extern char get_header_tar(archive_handle_t *archive_handle) FAST_FUNC;
|
|
extern char get_header_tar_bz2(archive_handle_t *archive_handle) FAST_FUNC;
|
|
extern char get_header_tar_lzma(archive_handle_t *archive_handle) FAST_FUNC;
|
|
extern char get_header_tar_gz(archive_handle_t *archive_handle) FAST_FUNC;
|
|
|
|
extern void seek_by_jump(const archive_handle_t *archive_handle, unsigned amount) FAST_FUNC;
|
|
extern void seek_by_read(const archive_handle_t *archive_handle, unsigned amount) FAST_FUNC;
|
|
|
|
extern ssize_t archive_xread_all_eof(archive_handle_t *archive_handle, unsigned char *buf, size_t count) FAST_FUNC;
|
|
|
|
extern void data_align(archive_handle_t *archive_handle, unsigned boundary) FAST_FUNC;
|
|
extern const llist_t *find_list_entry(const llist_t *list, const char *filename) FAST_FUNC;
|
|
extern const llist_t *find_list_entry2(const llist_t *list, const char *filename) FAST_FUNC;
|
|
|
|
/* A bit of bunzip2 internals are exposed for compressed help support: */
|
|
typedef struct bunzip_data bunzip_data;
|
|
int start_bunzip(bunzip_data **bdp, int in_fd, const unsigned char *inbuf, int len) FAST_FUNC;
|
|
int read_bunzip(bunzip_data *bd, char *outbuf, int len) FAST_FUNC;
|
|
void dealloc_bunzip(bunzip_data *bd) FAST_FUNC;
|
|
|
|
typedef struct inflate_unzip_result {
|
|
off_t bytes_out;
|
|
uint32_t crc;
|
|
} inflate_unzip_result;
|
|
|
|
extern USE_DESKTOP(long long) int unpack_bz2_stream(int src_fd, int dst_fd) FAST_FUNC;
|
|
extern USE_DESKTOP(long long) int inflate_unzip(inflate_unzip_result *res, off_t compr_size, int src_fd, int dst_fd) FAST_FUNC;
|
|
extern USE_DESKTOP(long long) int unpack_gz_stream(int src_fd, int dst_fd) FAST_FUNC;
|
|
extern USE_DESKTOP(long long) int unpack_lzma_stream(int src_fd, int dst_fd) FAST_FUNC;
|
|
|
|
#if BB_MMU
|
|
extern int open_transformer(int src_fd,
|
|
USE_DESKTOP(long long) int FAST_FUNC (*transformer)(int src_fd, int dst_fd)) FAST_FUNC;
|
|
#define open_transformer(src_fd, transformer, transform_prog) open_transformer(src_fd, transformer)
|
|
#else
|
|
extern int open_transformer(int src_fd, const char *transform_prog) FAST_FUNC;
|
|
#define open_transformer(src_fd, transformer, transform_prog) open_transformer(src_fd, transform_prog)
|
|
#endif
|
|
|
|
#if __GNUC_PREREQ(4,1)
|
|
# pragma GCC visibility pop
|
|
#endif
|
|
|
|
#endif
|