busybox/include/unarchive.h
Bernhard Reutner-Fischer 73561cc75a - pull from busybox_scratch: r15829:15850
Various fixes, cleanups and shrinkage:
saves 952 Bytes:
   text    data     bss     dec     hex filename
1087742   15853  790632 1894227  1ce753 ../busybox/busybox.old
1086790   15853  790632 1893275  1ce39b busybox
via:
# scripts/bloat-o-meter ../busybox/busybox_unstripped.old busybox_unstripped 
function                                             old     new   delta
ipcrm_main                                           756     822     +66
getval                                                 -      61     +61
maybe_set_utc                                          -      40     +40
udhcpc_main                                         2896    2912     +16
md5_hash_block                                       428     437      +9
opt                                                    8      16      +8
qgravechar                                           106     110      +4
make_bitmap                                          292     295      +3
inflate_unzip                                       2056    2059      +3
add_partition                                       1412    1414      +2
__parsespent                                         156     158      +2
qrealloc                                              41      42      +1
format                                                 -       1      +1
catv_main                                            313     314      +1
watch_main                                           293     292      -1
varunset                                              81      80      -1
part                                                   1       -      -1
check_if_skip                                        837     836      -1
start_stop_daemon_main                               840     837      -3
create_lost_and_found                                175     172      -3
supress_non_delimited_lines                            4       -      -4
static.l                                               4       -      -4
static.c                                               5       1      -4
bsd_sum_file                                         237     233      -4
eval2                                                338     332      -6
arithmetic_common                                    166     158      -8
cmpfunc                                               22       5     -17
cksum_main                                           294     275     -19
cmp_main                                             465     439     -26
dd_main                                             1535    1508     -27
rmmod_main                                           376     333     -43
cut_file                                             727     644     -83
ipcs_main                                           3809    3721     -88
cut_main                                             722     614    -108
date_main                                           1443    1263    -180
remove_ids                                           222       -    -222
------------------------------------------------------------------------------
(add/remove: 3/4 grow/shrink: 11/18 up/down: 217/-853)       Total: -636 bytes
2006-08-28 23:31:54 +00:00

113 lines
3.7 KiB
C

/* 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_EXTRACT_NEWER 16
#define ARCHIVE_NOPRESERVE_OWN 32
#define ARCHIVE_NOPRESERVE_PERM 64
#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 component should 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 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;
/* Flags and 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_lzma(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 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 void inflate_cleanup(void);
extern int inflate_unzip(int in, int out);
extern int inflate_gunzip(int in, int out);
extern int unlzma(int src_fd, int dst_fd);
extern int open_transformer(int src_fd, int (*transformer)(int src_fd, int dst_fd));
#endif