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287 Commits

Author SHA1 Message Date
Paul Fox
16aec39ebe add comment clarifying busybox's use of non-standard tar header 2007-11-17 19:11:05 +00:00
Denis Vlasenko
8512862163 tar: fix a case where glibc detects bogus buffer overrun 
which is not really there!
 2007-11-16 20:35:30 +00:00
Denis Vlasenko
059c91711f open_transformer: do not duplicate "<program> -cf -" 
text    data     bss     dec     hex filename
 677858     738    7236  685832   a7708 busybox_old
 677804     738    7236  685778   a76d2 busybox_unstripped
 2007-11-12 02:13:12 +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
e9b3321b9f tar: add a comment about previous subtle fix 2007-09-24 19:32:53 +00:00
Denis Vlasenko
86e0a22ec6 tar: strip leading '/' BEFORE memorizing hardlink's name 
function                                             old     new   delta
writeFileToTarball                                  1362    1352     -10
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-10)             Total: -10 bytes
 2007-09-24 19:07:57 +00:00
Denis Vlasenko
0beaff8c19 update Glenn McGrath's email address 2007-09-21 13:16:32 +00:00
Denis Vlasenko
476b070036 style fix, no code changes 2007-09-09 14:11:11 +00:00
Denis Vlasenko
211f7f88ae tar + gzip/bzip2/etc: support NOMMU machines (by Alex Landau <landau_alex@yahoo.com>) 2007-09-05 11:48:32 +00:00
Denis Vlasenko
7e0fbf9c26 tar: conditionally don't wait for vforked child to exec, as it always 
works right on Linux, and anyway mayresult only on less-than-clear error
message only, it will not cause tar to misbehave.

function                                             old     new   delta
open_transformer                                      98      80     -18
writeTarFile                                         714     547    -167
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-185)           Total: -185 bytes
   text    data     bss     dec     hex filename
 770651    1051   10764  782466   bf082 busybox_old
 770463    1051   10764  782278   befc6 busybox_unstripped
 2007-09-04 19:33:22 +00:00
Denis Vlasenko
fe7cd642b0 don't pass argc in getopt32, it's superfluous 
(add/remove: 0/0 grow/shrink: 12/131 up/down: 91/-727) Total: -636 bytes
   text    data     bss     dec     hex filename
 773469    1058   11092  785619   bfcd3 busybox_old
 772644    1058   11092  784794   bf99a busybox_unstripped
 2007-08-18 15:32:12 +00:00
Denis Vlasenko
6ca409e0e4 trylink: produce even more info about final link stage 
trylink: explain how to modify link and drastically decrease amount
  of padding (unfortunately, needs hand editing ATM).
*: add ALIGN1 / ALIGN2 to global strings and arrays of bytes and shorts

size saving: 0.5k
 2007-08-12 20:58:27 +00:00
Denis Vlasenko
990d0f63ee Replace index_in_[sub]str_array with index_in_[sub]strings, 
which scans thru "abc\0def\0123\0\0" type strings. Saves 250 bytes.

   text    data     bss     dec     hex filename
 781266    1328   11844  794438   c1f46 busybox_old
 781010    1328   11844  794182   c1e46 busybox_unstripped
 2007-07-24 15:54:42 +00:00
Denis Vlasenko
bdc88fdc68 rework long option handling. saves ~1.2k 
function                                             old     new   delta
tar_longopts                                           -     222    +222
static.udhcpc_longopts                                 -     192    +192
start_stop_daemon_longopts                             -     150    +150
getopt32                                            1045    1185    +140
static.wget_longopts                                   -     111    +111
static.od_longopts                                     -     105    +105
getopt_longopts                                        -      96     +96
install_longopts                                       -      67     +67
ipcalc_longopts                                        -      63     +63
static.hwclock_longopts                                -      54     +54
ftpgetput_longopts                                     -      52     +52
static.dumpleases_longopts                             -      32     +32
env_longopts                                           -      31     +31
runparts_longopts                                      -      30     +30
mv_longopts                                            -      24     +24
mkdir_longopts                                         -      19     +19
find_pair                                            164     180     +16
bb_null_long_options                                   -      16     +16
setconsole_longopts                                    -      10     +10
display_speed                                         91      98      +7
collect_blk                                          467     474      +7
show_color                                             4       1      -3
ls_main                                              913     904      -9
bb_default_long_options                               16       -     -16
ls_color_opt                                          32      10     -22
setconsole_long_options                               32       -     -32
arith                                               2077    2030     -47
mv_long_options                                       48       -     -48
mkdir_long_options                                    48       -     -48
env_long_options                                      48       -     -48
static.options                                       248     184     -64
runparts_long_options                                 80       -     -80
ftpgetput_long_options                                96       -     -96
static.hwclock_long_options                          112       -    -112
install_long_options                                 112       -    -112
static.long_options                                  144       -    -144
static.wget_long_options                             160       -    -160
longopts                                             160       -    -160
static.arg_options                                   304       -    -304
tar_long_options                                     320       -    -320
long_options                                         384       -    -384
------------------------------------------------------------------------------
(add/remove: 17/15 grow/shrink: 4/5 up/down: 1444/-2209)     Total: -765 bytes
   text    data     bss     dec     hex filename
 782618    1328   11900  795846   c24c6 busybox_old
 781354    1328   11900  794582   c1fd6 busybox_unstripped
 2007-07-23 17:14:14 +00:00
Denis Vlasenko
931de892cc random shrinkage of statics, -60 bytes saved 2007-06-21 12:43:45 +00:00
Denis Vlasenko
74324c8666 Audit bb_common_bufsiz usage, add script which looks for misuse. 
tr: stop using globals needlessly.
code: -103 bytes
 2007-06-04 10:16:52 +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
5a6aeddfa7 xpipe: introduce (saves ~170 bytes) 
udhcp/signalpipe.c: use pipe instead of socketpair.
 2007-05-26 16:44:20 +00:00
Denis Vlasenko
51742f4bb0 style fixes. No code changes 2007-04-12 00:32:05 +00:00
Denis Vlasenko
50f7f446ec bb_full_fd_action: remove potential xmalloc from NOFORK path 
cat: stop using stdio.h opens
libbb: introduce & use open[3]_or_warn
function                                             old     new   delta
open3_or_warn                                          -      54     +54
bb_cat                                               115     144     +29
open_or_warn                                           -      25     +25
unlzma                                              2404    2412      +8
chattr_main                                          334     339      +5
xstrtoul_range_sfx                                   251     255      +4
telnet_main                                         1514    1510      -4
static.opt                                             4       -      -4
qgravechar                                           122     118      -4
fuser_add_pid                                         61      54      -7
fuser_add_inode                                      154     147      -7
writeFileToTarball                                  1542    1534      -8
refresh                                             1156    1148      -8
do_show                                              856     846     -10
read_leases                                          212     200     -12
setup_redirects                                      236     222     -14
iproute_list_or_flush                               1582    1568     -14
read_config                                          427     411     -16
write_leases                                         284     264     -20
hash_file                                            338     318     -20
copy_file                                           1760    1740     -20
do_iproute                                          2610    2588     -22
bb_full_fd_action                                    320     269     -51
open_to_or_warn                                      103      49     -54
fuser_main                                          1660    1596     -64
.rodata                                           131160  131096     -64
------------------------------------------------------------------------------
(add/remove: 2/1 grow/shrink: 4/19 up/down: 125/-423)        Total: -298 bytes
 2007-04-11 23:20:53 +00:00
Denis Vlasenko
8d9f495d68 getopt32: fix llist_t options ordering. llist_rev is not unused. 
function                                             old     new   delta
tar_main                                             705     695     -10
sort_main                                            928     918     -10
decode_format_string                                 886     876     -10
run_parts_main                                       197     185     -12
ps_main                                              513     500     -13
wget_main                                           2764    2750     -14
awk_main                                            1014    1000     -14
od_main                                             2886    2866     -20
llist_rev                                             25       -     -25
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 0/8 up/down: 0/-128)           Total: -128 bytes
 2007-04-08 15:08:42 +00:00
Denis Vlasenko
bbd695d801 find: fix handling of -prune 
recursive_actions: uppercase flag constants
 2007-04-08 10:52:28 +00:00
Bernhard Reutner-Fischer
3e816c1252 - fold recurse, depthFirst and dereference params into one param flags. 
Minor size improvement (-16b for size, -24b according to bloat-o-meter).
 2007-03-29 10:30:50 +00:00
Denis Vlasenko
baca175912 kill superfluous returns at the end of void functions 2007-03-11 13:43:10 +00:00
Denis Vlasenko
940494f813 remove f words 2007-03-04 18:09:50 +00:00
Denis Vlasenko
dcbd51dd28 tar: handle tarfiles with (broken) checksums a-la Sun. 2007-03-03 20:06:59 +00:00
Denis Vlasenko
54cf511ce1 sort: fix multiple -k (was ignoring all except last) 2007-02-17 18:11:45 +00:00
Denis Vlasenko
6ca0444420 syslogd: fix "readpath bug" by using readlink instead 
libbb: rename xgetcwd and xreadlink
 2007-02-11 16:19:28 +00:00
Denis Vlasenko
1d76f439da EXEC_PREFER_APPLETS support by Gabriel L. Somlo <somlo@cmu.edu> 2007-02-06 01:20:12 +00:00
Denis Vlasenko
8c0164c373 fix tar t segfault (closes 1183) 2007-02-04 21:30:35 +00:00
Denis Vlasenko
06af216528 suppress warnings about easch <applet>_main() having 
no preceding prototype
 2007-02-03 17:28:39 +00:00
Denis Vlasenko
a41fdf331a preparatory patch for -Wwrite-strings #1 2007-01-29 22:51:00 +00:00
Denis Vlasenko
218f2f4882 accumulated post-1.4.0 fixes 2007-01-24 22:02:01 +00:00
Denis Vlasenko
f7996f3b70 Trailing whitespace removal over entire tree 2007-01-11 17:20:00 +00:00
Denis Vlasenko
714701c890 tar et al: die if bb_copyfd_size copies less than asked for. 
(we have bb_copyfd_exact_size now for that kind of usage)
 2006-12-22 00:21:07 +00:00
Denis Vlasenko
c88894602d tar: report error if child dies while writing out the end of tarball 
(e.g. out of disk space).
 2006-12-17 19:08:20 +00:00
Denis Vlasenko
9f739445cd inline strcmp(s, "-") [actually macro-ize it for now - gcc is too stupid] 2006-12-16 23:49:13 +00:00
Bernhard Reutner-Fischer
6f0540e7ec - remove functions marked as LEGACY in SUSv3 and use their modern counterparts. 2006-12-12 11:50:44 +00:00
Denis Vlasenko
c61852a02b fix support for globally disabling --long-options. 
(disabling them saves ~4K on fully configured bbox)
 2006-11-29 11:09:43 +00:00
Denis Vlasenko
30d7a346e6 tar: fix misplaced --exclude long option definition 2006-11-27 20:24:40 +00:00
Denis Vlasenko
cf749bc10c small fixes: 
fix xstrdup to not grossly overallocate memory
use xopen instean of xopen3 in several places
etc.
 2006-11-26 15:45:17 +00:00
Denis Vlasenko
b596335868 tar: correctly skip (and warn about) pax headers. 
plug memory leak. save 50 bytes.
Wooohooo! we finally can unpack kernel tarballs!
 2006-11-26 01:46:59 +00:00
Denis Vlasenko
7725d0ff5c tar: add support for FEATURE_TAR_GNU_EXTENSIONS so than we can save 
long names now. We were able to read such tars, but not create.
+275 bytes. Without FEATURE_TAR_GNU_EXTENSIONS: -25 bytes.

We still cannot unpack Linux kernels, but not for long ;)
 2006-11-25 23:56:50 +00:00
Denis Vlasenko
87cd4a87e3 tar: small fix and small optimization 2006-11-25 23:47:32 +00:00
Denis Vlasenko
f2408e6c3f tar: abort if tarring up file larger that 64Gb 
(otherwise we will produce garbled tarfile)
 2006-11-25 14:48:09 +00:00
Denis Vlasenko
3feb2fc535 tar: fix multiple -t and/or -v options handling. 
do not process list of files to tar up in reverse order.
 2006-11-24 21:55:55 +00:00
Denis Vlasenko
d031ffa623 tar: sanitize option handling 2006-11-24 21:54:44 +00:00
Denis Vlasenko
b8a8e601df tar: small fixes: 
* size-optimize mapping code
* kill double close
 2006-11-24 14:59:45 +00:00
Denis Vlasenko
c50f370f98 tar: cache [ug]id->username/groupname mappings. Cuts down amount 
of open/read/close of /etc/passwd and /etc/group
dramatically (we were rereading those for each untarred file!!!)
 2006-11-24 14:57:31 +00:00
Denis Vlasenko
4fbb584a0e tar: cry murder and bail out if file shrinks under us while we tar it up 2006-11-24 14:55:23 +00:00