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73561cc75a
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
113 lines
3.7 KiB
C
113 lines
3.7 KiB
C
/* vi: set sw=4 ts=4: */
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#ifndef __UNARCHIVE_H__
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#define __UNARCHIVE_H__
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#define ARCHIVE_PRESERVE_DATE 1
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#define ARCHIVE_CREATE_LEADING_DIRS 2
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#define ARCHIVE_EXTRACT_UNCONDITIONAL 4
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#define ARCHIVE_EXTRACT_QUIET 8
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#define ARCHIVE_EXTRACT_NEWER 16
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#define ARCHIVE_NOPRESERVE_OWN 32
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#define ARCHIVE_NOPRESERVE_PERM 64
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#include "libbb.h"
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typedef struct file_headers_s {
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char *name;
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char *link_name;
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off_t size;
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uid_t uid;
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gid_t gid;
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mode_t mode;
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time_t mtime;
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dev_t device;
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} file_header_t;
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typedef struct archive_handle_s {
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/* define if the header and data component should processed */
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char (*filter)(struct archive_handle_s *);
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llist_t *accept;
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/* List of files that have been rejected */
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llist_t *reject;
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/* List of files that have successfully been worked on */
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llist_t *passed;
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/* Contains the processed header entry */
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file_header_t *file_header;
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/* process the header component, e.g. tar -t */
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void (*action_header)(const file_header_t *);
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/* process the data component, e.g. extract to filesystem */
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void (*action_data)(struct archive_handle_s *);
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/* How to process any sub archive, e.g. get_header_tar_gz */
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char (*action_data_subarchive)(struct archive_handle_s *);
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/* Contains the handle to a sub archive */
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struct archive_handle_s *sub_archive;
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/* The raw stream as read from disk or stdin */
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int src_fd;
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/* Count the number of bytes processed */
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off_t offset;
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/* Function that skips data: read_by_char or read_by_skip */
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void (*seek)(const struct archive_handle_s *archive_handle, const unsigned int amount);
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/* Temporary storage */
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char *buffer;
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/* Flags and misc. stuff */
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unsigned char flags;
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} archive_handle_t;
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extern archive_handle_t *init_handle(void);
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extern char filter_accept_all(archive_handle_t *archive_handle);
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extern char filter_accept_list(archive_handle_t *archive_handle);
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extern char filter_accept_list_reassign(archive_handle_t *archive_handle);
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extern char filter_accept_reject_list(archive_handle_t *archive_handle);
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extern void unpack_ar_archive(archive_handle_t *ar_archive);
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extern void data_skip(archive_handle_t *archive_handle);
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extern void data_extract_all(archive_handle_t *archive_handle);
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extern void data_extract_to_stdout(archive_handle_t *archive_handle);
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extern void data_extract_to_buffer(archive_handle_t *archive_handle);
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extern void header_skip(const file_header_t *file_header);
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extern void header_list(const file_header_t *file_header);
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extern void header_verbose_list(const file_header_t *file_header);
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extern void check_header_gzip(int src_fd);
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extern char get_header_ar(archive_handle_t *archive_handle);
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extern char get_header_cpio(archive_handle_t *archive_handle);
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extern char get_header_tar(archive_handle_t *archive_handle);
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extern char get_header_tar_bz2(archive_handle_t *archive_handle);
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extern char get_header_tar_lzma(archive_handle_t *archive_handle);
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extern char get_header_tar_gz(archive_handle_t *archive_handle);
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extern void seek_by_jump(const archive_handle_t *archive_handle, const unsigned int amount);
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extern void seek_by_char(const archive_handle_t *archive_handle, const unsigned int amount);
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extern ssize_t archive_xread_all_eof(archive_handle_t *archive_handle, unsigned char *buf, size_t count);
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extern void data_align(archive_handle_t *archive_handle, const unsigned short boundary);
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extern const llist_t *find_list_entry(const llist_t *list, const char *filename);
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extern int uncompressStream(int src_fd, int dst_fd);
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extern void inflate_init(unsigned int bufsize);
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extern void inflate_cleanup(void);
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extern int inflate_unzip(int in, int out);
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extern int inflate_gunzip(int in, int out);
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extern int unlzma(int src_fd, int dst_fd);
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extern int open_transformer(int src_fd, int (*transformer)(int src_fd, int dst_fd));
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#endif
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