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21 Commits

Author SHA1 Message Date
Ron Yorston
c339c7f7b3 libarchive: add a function to unpack embedded data 
Similar code to unpack embedded data is used to decompress usage
messages, embedded scripts and the config file (in the non-default
bbconfig applet).

Moving this code to a common function reduces the size of the default
build and hides more of the internals of libarchive.

function                                             old     new   delta
unpack_bz2_data                                        -     135    +135
bb_show_usage                                        137     157     +20
get_script_content                                    32      47     +15
unpack_scripts                                       119       -    -119
unpack_usage_messages                                124       -    -124
------------------------------------------------------------------------------
(add/remove: 1/2 grow/shrink: 2/0 up/down: 170/-243)          Total: -73 bytes

Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-11-02 14:14:51 +01:00
Denys Vlasenko
38ccd6af8a bzip2: fix two crashes on corrupted archives 
As it turns out, longjmp'ing into freed stack is not healthy...

function                                             old     new   delta
unpack_usage_messages                                  -      97     +97
unpack_bz2_stream                                    369     409     +40
get_next_block                                      1667    1677     +10
get_bits                                             156     155      -1
start_bunzip                                         212     183     -29
bb_show_usage                                        181     120     -61
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 2/3 up/down: 147/-91)            Total: 56 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-04-08 20:05:04 +02:00
Denys Vlasenko
2ab9403119 whitespace and comment format fixes, no code changes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-10-05 15:33:28 +02:00
Denys Vlasenko
72089cf6b4 config: deindent all help texts 
Those two spaces after tab have no effect, and always a nuisance when editing.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-07-21 09:50:55 +02:00
Denys Vlasenko
ae178cee3d Update remaining menuconfig items with approximate applet sizes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-07-19 14:32:54 +02:00
Denys Vlasenko
f88e3bfa8d Convert all miscutils/* applets to "new style" applet definitions 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-22 23:54:17 +01:00
Denys Vlasenko
fb4da16711 Split miscutils/Config.src items into miscutils/*.c files 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-22 23:14:24 +01:00
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
Pere Orga
5bc8c005a8 move remaining help text from include/usage.src.h 
Signed-off-by: Pere Orga <gotrunks@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-04-11 03:29:49 +02:00
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
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
9ce07e778f bbconfig: add COMPRESS_BBCONFIG option 
function                                             old     new   delta
bbconfig_config_bz2                                    -    4905   +4905
bbconfig_main                                         13      70     +57
bbconfig_config                                    21811       -  -21811
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 1/0 up/down: 4962/-21811)    Total: -16849 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-08-29 14:36:11 +02:00
Denys Vlasenko
729ecb87bf bbconfig: make it independent from printf functions 
function                                             old     new   delta
full_write2_str                                        -      25     +25
full_write1_str                                        -      25     +25
clear_main                                            21      20      -1
telnet_main                                         1488    1477     -11
getty_main                                          1932    1918     -14
full_write22_str                                      25       -     -25
------------------------------------------------------------------------------
(add/remove: 2/1 grow/shrink: 0/3 up/down: 50/-51)             Total: -1 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-06-07 14:14:26 +02:00
Denis Vlasenko
a60f84ebf0 *: rename ATTRIBUTE_XXX to just XXX. 2008-07-05 09:18:54 +00:00
Denis Vlasenko
85c247161b *: fix fallout from -Wunused-parameter 
function                                             old     new   delta
bbunpack                                             358     366      +8
passwd_main                                         1070    1072      +2
handle_incoming_and_exit                            2651    2653      +2
getpty                                                88      86      -2
script_main                                          975     972      -3
inetd_main                                          2036    2033      -3
dname_enc                                            377     373      -4
make_new_session                                     474     462     -12
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/5 up/down: 12/-24)            Total: -12 bytes
   text    data     bss     dec     hex filename
 797429     658    7428  805515   c4a8b busybox_old
 797417     658    7428  805503   c4a7f busybox_unstripped
 2008-03-17 09:04:04 +00:00
Denis Vlasenko
9b49a5ed85 add -fvisibility=hidden to CC flags, mark XXX_main functions 
EXTERNALLY_VISIBLE. 5% size reduction of libbusybox.so
 2007-10-11 10:05:36 +00:00
Denis Vlasenko
b6adbf1be2 usage.c: remove reference to busybox.h 
*: s/include "busybox.h"/include "libbb.h"
 2007-05-26 19:00:18 +00:00
Denis Vlasenko
06af216528 suppress warnings about easch <applet>_main() having 
no preceding prototype
 2007-02-03 17:28:39 +00:00
Rob Landley
a8e2760924 Clarify. 2006-03-30 02:01:48 +00:00
Paul Fox
5139bd98a7 add public-domain release 2006-03-29 19:54:02 +00:00
Paul Fox
79c142d938 new config display applet, from bug 46. i've changed the name 
of the applet from "config" to "bbconfig", and renamed the
source filenames and symbols to match appropriately.
 2005-08-01 16:04:40 +00:00