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8a6a2f9c9c
Commit Graph

1177 Commits

Author SHA1 Message Date
Denys Vlasenko
8a6a2f9c9c update seamless uncompression code 
This change makes "tar tf hello_world.txz" work without
adding special-casing for ".txz" extension. It also removes
ever-growing magic checking code in rpm2cpio and get_header_tar -
we reuse one which lives in setup_unzip_on_fd.

function                                             old     new   delta
unpack_gz_stream                                       7     566    +559
check_signature16                                      -      70     +70
setup_unzip_on_fd                                     99     142     +43
handle_SIGCHLD                                         -      41     +41
unpack_bz2_stream                                    342     376     +34
unzip_main                                          2352    2385     +33
bbunpack                                             503     533     +30
open_transformer                                      74     102     +28
unpack_Z_stream                                     1278    1304     +26
unpack_gunzip                                        101     123     +22
init_transformer_aux_data                              -      18     +18
unpack_xz_stream                                    2388    2402     +14
open_zipped                                          131     141     +10
rpm_main                                            1358    1363      +5
get_header_tar_lzma                                   52      57      +5
get_header_tar_bz2                                    52      57      +5
unpack_lzma_stream                                  2698    2702      +4
hash_find                                            234     233      -1
get_header_tar                                      1759    1733     -26
get_header_tar_gz                                     92      57     -35
unpack_uncompress                                     51      12     -39
rpm2cpio_main                                        201     147     -54
unpack_unxz                                           67      12     -55
unpack_bz2_stream_prime                               55       -     -55
get_header_tar_Z                                      86       -     -86
unpack_gz_stream_with_info                           539       -    -539
------------------------------------------------------------------------------
(add/remove: 3/3 grow/shrink: 14/6 up/down: 947/-890)          Total: 57 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2012-03-06 16:27:48 +01:00
Denys Vlasenko
774bce8e8b archival/libarchive/decompress_unzip.c -> decompress_gunzip.c. no code changes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2012-03-06 16:26:20 +01:00
Denys Vlasenko
59655077c5 preparatory cleanups for seamless uncompression improvements 
unpack_gz_stream_with_info: fix buggy error check
man: fix possible accesses past the end of a string
move seamless uncompression helpers from read_printf.c to open_transformer.c

function                                             old     new   delta
show_manpage                                         153     212     +59
unpack_gz_stream_with_info                           520     539     +19

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2012-03-06 16:23:50 +01:00
Denys Vlasenko
6111f967f5 tar: add support for PAX-encoded path=LONGFILENAME 
function                                             old     new   delta
get_header_tar                                      1478    1759    +281

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2012-02-23 13:45:18 +01:00
Denys Vlasenko
d6f5000c13 *: style fixes. no code changes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-12-15 12:39:25 +01:00
Denys Vlasenko
d2277e262f nommu: fix cases where we mangle argv[0][0] 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-11-22 17:19:26 +01:00
Denys Vlasenko
c531b9a3e4 bzcat: fix unpacking of more than one file, and unpacking of zero-size bz2. Closes 4393 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-10-31 01:05:16 +01:00
Denys Vlasenko
f74f280a14 get_header_tar: shrink 6->64 sign extension code 
function                                             old     new   delta
getOctal                                             125     107     -18

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-10-19 14:51:12 +02:00
Denys Vlasenko
d184a728cf rename archive.h to bb_archive.h. no code changes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-09-22 12:45:14 +02:00
Denys Vlasenko
522041ee7b regularize options which control size/speed trade 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-09-10 13:25:57 +02:00
Ian Wienand
c2a06db69d gzip: new GZIP_BIG_MEM option 
Enabling the config option on my standard linux box and zipping a
random 250mb file:

small mem: 21.85user 0.44system 0:22.35elapsed
big mem:   13.45user 0.46system 0:13.94elapsed

Signed-off-by: Ian Wienand <ianw@vmware.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-09-09 20:19:35 +02:00
Denys Vlasenko
831756bac4 unzip: fflush stdout before reading interative y/n answer from stdin 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-09-09 17:30:55 +02:00
Denys Vlasenko
a04e4c2266 uncompress: die on read errors 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-08-22 04:59:41 +02:00
Denys Vlasenko
251fc70e97 uncompress: fix buffer underrun by corrupted input 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-08-18 14:29:41 +02:00
Denys Vlasenko
b47b3ce1bd randomconfig fixes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-08-10 00:51:29 +02:00
Ian Wienand
954dbd3a00 tar: ignore file size (assume 0) for hardlinks 
Signed-off-by: Ian Wienand <ianw@vmware.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-07-29 08:33:47 +02:00
Denys Vlasenko
66426760be *: remove "Options:" string from help texts 
function                                             old     new   delta
packed_usage                                       28706   28623     -83

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-06-05 03:58:28 +02:00
Cristian Ionescu-Idbohrn
ea137aa931 warning removal 
Signed-off-by: Cristian Ionescu-Idbohrn <cii@axis.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-05-20 03:52:36 +02:00
Denys Vlasenko
60a9414cad fix "variable 'foo' set but not used" warnings 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-05-13 20:57:01 +02:00
Denys Vlasenko
9180c6045e tar: store negative mtime as 0; pack very large files using base-256 encoding 
function                                             old     new   delta
writeTarHeader                                       841     979    +138

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-05-04 21:14:12 +02:00
Marek Polacek
b0b8884009 Fix double words in comments. No code changes 
Signed-off-by: Marek Polacek <mpolacek@redhat.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-04-16 17:33:43 +02:00
Pere Orga
1f4447b2d4 move help text from include/usage.src.h to archival/*.c 
Signed-off-by: Pere Orga <gotrunks@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-03-27 22:40:30 +02:00
Denys Vlasenko
681efe20d3 use user's shell instead of hardwired "/bin/sh" (android needs this) 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-03-08 21:00:36 +01:00
Denys Vlasenko
b80acf58f1 tar: skip leading / and handle names like abc/..////def -> def (not ///def) 
function                                             old     new   delta
strip_unsafe_prefix                                    -     105    +105
writeFileToTarball                                   557     520     -37
get_header_tar                                      1545    1462     -83

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-03-02 01:21:02 +01:00
Denys Vlasenko
5e29e26388 tar: on extract, everything up to and including last ".." is stripped 
function                                             old     new   delta
get_header_tar                                      1493    1545     +52

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-03-01 17:21:07 +01:00
Denys Vlasenko
aef441cb4d tar: fix a bug where autodetection messes up -z on extract 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-02-06 20:01:11 +01:00
Denys Vlasenko
3237f5c307 tar: support -T - and -X - 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-02-03 04:00:23 +01:00
Denys Vlasenko
b7c9fb27cb whitespace fixes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-02-03 00:05:48 +01:00
Denys Vlasenko
b5233f8556 tar: add -h and -T to help text 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-01-31 05:35:23 +01:00
Denys Vlasenko
b9f2d9f7d9 mass removal of underscores from _BB_DIR_foo and _BB_SUID_foo 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-01-18 13:58:01 +01:00
Denys Vlasenko
df1689138e remove a few aliasing warnings 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-01-16 01:25:34 +01:00
Denys Vlasenko
a116552869 tar: add a note about -C and symlink-in-tarball attack 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-01-04 08:46:26 +01:00
Denys Vlasenko
ed9b08d1c1 bzip2: plug memory leak on every processed file 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-12-30 04:43:35 +01:00
Denys Vlasenko
1f937d6468 cpio: allow cpio -i to take params - names of files to extract 
Also, improve help text

function                                             old     new   delta
packed_usage                                       28028   28035      +7
cpio_main                                            542     532     -10
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/1 up/down: 7/-10)              Total: -3 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-12-26 02:22:51 +01:00
Serj Kalichev
e4e911e712 modprobe: add support for --show-depends 
function                                             old     new   delta
modprobe_longopts                                      -      16     +16
packed_usage                                       28018   28028     +10
modprobe_main                                        648     653      +5
do_modprobe                                          580     536     -44
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 2/1 up/down: 31/-44)            Total: -13 bytes

Signed-off-by: Serj Kalichev <serj.kalichev@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-12-26 01:56:19 +01:00
Denys Vlasenko
833d4e7f84 rename archival/libunarchive -> archival/libarchive; move bz/ into it 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-11-03 02:38:31 +01:00
Denys Vlasenko
5e9934028a *: move lzo compressor code to archival/libunarchive/. No code changes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-11-03 02:27:49 +01:00
Denys Vlasenko
4d4d1a015f whitespace fix 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-11-01 02:19:47 +01:00
Denys Vlasenko
8531c43b50 decompress_bunzip2: reinstate erroneously deleted RETVAL_SHORT_WRITE 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-11-01 01:38:54 +01:00
Denys Vlasenko
f16727ebbb decompress_bunzip2: code shrink ~5 bytes 
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
 2010-10-30 00:55:02 +02:00
Denys Vlasenko
0c576975c8 decompress_bunzip2: code shrink ~10 bytes 
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
 2010-10-30 00:54:10 +02:00
Denys Vlasenko
5d49b72f1a decompress_bunzip2: add profiling data to comment. no code changes 
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
 2010-10-29 19:26:38 +02:00
Denys Vlasenko
1014a9adbf decompress_bunzip2: relieve register pressure in hot function read_bunzip 
function                                             old     new   delta
unpack_bz2_stream                                    318     329     +11
read_bunzip                                          268     262      -6

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
 2010-10-29 19:01:58 +02:00
Denys Vlasenko
bf3bec51fc decompress_bunzip2: keep bd->writeCRC in CPU reg in the hot loop 
-5 bytes on 64-bit, +7 bytes on 32-bit.

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
 2010-10-29 18:16:29 +02:00
Denys Vlasenko
36ef0a677e decompress_bunzip2: code shrink 
function                                             old     new   delta
get_next_block                                      1828    1827      -1
get_bits                                             164     156      -8
read_bunzip                                          304     261     -43
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/3 up/down: 0/-52)             Total: -52 bytes

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
 2010-10-29 16:05:05 +02:00
Denys Vlasenko
fb132e4737 whitespace cleanup 
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
 2010-10-29 11:46:52 +02:00
Denys Vlasenko
caddfc8339 decompress_bunzip2: handle concatenated .bz2 files 
function                                             old     new   delta
unpack_bz2_stream                                    207     307    +100
start_bunzip                                         199     209     +10
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/0 up/down: 110/0)             Total: 110 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-10-28 23:08:53 +02:00
Denys Vlasenko
e4dcba1c10 *: whitespace fixes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-10-28 18:57:19 +02:00
Denys Vlasenko
9ce642f974 libbb: introduce and use common crc32 routine 
function                                             old     new   delta
crc32_block_endian1                                    -      37     +37
crc32_block_endian0                                    -      34     +34
global_crc32_table                                     -       8      +8
file_read                                             82      87      +5
gzip_main                                            211     214      +3
xz_crc32                                              40      35      -5
crc32_table                                            8       -      -8
calculate_gunzip_crc                                  54      34     -20
lzo_crc32                                             54      25     -29
cksum_main                                           298     211     -87
------------------------------------------------------------------------------
(add/remove: 3/1 grow/shrink: 2/4 up/down: 87/-149)           Total: -62 bytes

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
 2010-10-27 15:26:45 +02:00
Denys Vlasenko
c05387d5de *: replace xopen3 with xopen where makes sense 
function                                             old     new   delta
uniq_main                                            421     416      -5
sort_main                                            803     798      -5
patch_main                                          2051    2046      -5
cpio_main                                            547     542      -5

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-10-18 02:38:27 +02:00