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*: refactor handling of archived files. "tar f file.tar.lzma" now works too.

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function                                             old     new   delta
unpack_Z_stream                                        -    1229   +1229
open_zipped                                            -     176    +176
unpack_bz2_stream_prime                                -      60     +60
tar_main                                             642     677     +35
find_main                                            406     418     +12
sv_main                                             1222    1233     +11
decode_format_string                                 829     837      +8
cmp_main                                             641     649      +8
popstring                                            134     140      +6
filter_accept_list_reassign                          120     125      +5
parse_and_put_prompt                                 800     804      +4
passwd_main                                         1053    1049      -4
make_new_name_gunzip                                 119     114      -5
rpm_main                                            1688    1670     -18
prepare                                              302     283     -19
xmalloc_open_zipped_read_close                       135      61     -74
uncompress                                          1229       -   -1229
------------------------------------------------------------------------------
(add/remove: 3/1 grow/shrink: 8/5 up/down: 1554/-1349)        Total: 205 bytes
This commit is contained in:
Denis Vlasenko
2008-08-05 13:10:34 +00:00
parent 9b44613202
commit e9ad84dfd4
21 changed files with 325 additions and 320 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
archival/rpm.c
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@ -206,27 +206,27 @@ static void extract_cpio_gz(int fd)
archive_handle->src_fd = fd;
/*archive_handle->offset = 0; - init_handle() did it */
// TODO: open_zipped does the same
xread(archive_handle->src_fd, &magic, 2);
#if BB_MMU
xformer = unpack_gz_stream;
#else
xformer_prog = "gunzip";
#endif
if ((magic[0] != 0x1f) || (magic[1] != 0x8b)) {
if (ENABLE_FEATURE_RPM_BZ2
&& (magic[0] == 0x42) && (magic[1] == 0x5a)) {
#if BB_MMU
xformer = unpack_bz2_stream;
#else
xformer_prog = "bunzip2";
#endif
/* We can do better, need modifying unpack_bz2_stream to not require
* first 2 bytes. Not very hard to do... I mean, TODO :) */
xlseek(archive_handle->src_fd, -2, SEEK_CUR);
} else
if (magic[0] != 0x1f || magic[1] != 0x8b) {
if (!ENABLE_FEATURE_SEAMLESS_BZ2
|| magic[0] != 'B' || magic[1] != 'Z'
) {
bb_error_msg_and_die("no gzip"
USE_FEATURE_RPM_BZ2("/bzip")
USE_FEATURE_SEAMLESS_BZ2("/bzip2")
" magic");
}
#if BB_MMU
xformer = unpack_bz2_stream;
#else
xformer_prog = "bunzip2";
#endif
} else {
#if !BB_MMU
/* NOMMU version of open_transformer execs an external unzipper that should