Commit Graph
100 Commits
Author SHA1 Message Date
Denis Vlasenko 54e7ffb3a4 hush: begin fixing non-functional job control 2007-04-21 00:03:36 +00:00
Denis Vlasenko 5f786c24e4 hush: small code shrink; style fixes 2007-04-20 08:35:45 +00:00
Denis Vlasenko f6250a3bee dd: NOEXEC fix
dd: correct wrongly capitalized constant
2007-04-19 20:16:14 +00:00
Denis Vlasenko d1801a4430 dd: fix skip= parse error (spotted by Dirk Clemens <develop@cle-mens.de>) 2007-04-19 20:08:19 +00:00
Denis Vlasenko 9ace613406 stty: fix option parsing bug (spotted by Sascha Hauer <s.hauer@pengutronix.de>) 2007-04-19 19:55:54 +00:00
Denis Vlasenko 05a6d9cbb2 doc: add README on shell job control 2007-04-19 17:26:34 +00:00
Denis Vlasenko 8581863a1b procps: remove all global variables
text    data     bss     dec     hex filename
   1462      14      24    1500     5dc busybox.t2/procps/ps.o
   1484       0       0    1484     5cc busybox.t3/procps/ps.o
   3122       0     252    3374     d2e busybox.t1/procps/top.o
   3117       0       0    3117     c2d busybox.t3/procps/top.o
2007-04-19 14:47:11 +00:00
Denis Vlasenko 516a0ca2dc ps: add -o tty and -o rss support
1373      14      24    1411     583 busybox.t1/procps/ps.o
   1462      14      24    1500     5dc busybox.t2/procps/ps.o
2007-04-19 14:46:14 +00:00
Denis Vlasenko c34d35557b loop device code: readability improvement 2007-04-19 00:09:34 +00:00
Denis Vlasenko 3ace9fa6d8 switch_root: error_msg -> perror_msg, reduce by 22 bytes while at it. 2007-04-18 21:40:30 +00:00
Denis Vlasenko 088b959d00 "Unify base64 handling" is done, remove TODO 2007-04-18 21:14:46 +00:00
Denis Vlasenko 2ace1e3f07 make "busybox" w/o args work again, and save 10 bytes in the process. 2007-04-18 21:00:21 +00:00
Denis Vlasenko 55b2de71d7 hush: remove stray semicolon (should change nothing) 2007-04-18 17:21:28 +00:00
Denis Vlasenko 517d1aac7f ether-wake: save a few more bytes of code 2007-04-16 23:23:33 +00:00
Denis Vlasenko 198714c0dd ether-wake: close bug 1317. Reorder fuctions to avoid
forward refs while at it
2007-04-16 23:16:37 +00:00
Denis Vlasenko 7d4c44e1b1 shells: remove few statics and duplicated code
(much more of the same remains, alas)
function                                             old     new   delta
doset                                                330     332      +2
warn                                                  53      51      -2
onecommand                                           463     461      -2
ioecho                                                40      38      -2
forkexec                                            1412    1410      -2
err                                                   81      79      -2
setdash                                               59      56      -3
flag                                                   4       -      -4
msh_main                                            1389    1384      -5
eval                                                 388     381      -7
subgetc                                              759     747     -12
static.local                                          14       -     -14
b_adduint                                             70      52     -18
------------------------------------------------------------------------------
(add/remove: 0/2 grow/shrink: 1/10 up/down: 2/-73)            Total: -71 bytes
2007-04-16 22:34:39 +00:00
Denis Vlasenko ac678ec2f1 style fixes, no code changes 2007-04-16 22:32:04 +00:00
Denis Vlasenko 17e3c34aa7 applet.c: ruid is needed only if FEATURE_SUID=y 2007-04-16 20:55:27 +00:00
Denis Vlasenko 0922192740 lineedit: state->hist_file doesn't exist if !FEATURE_EDITING_SAVEHISTORY,
#ifdef it out
2007-04-15 13:21:01 +00:00
Denis Vlasenko 84f75b0b94 doc: fix code example which may provoke warning 2007-04-15 11:50:41 +00:00
Denis Vlasenko 8acf521432 e2fsprogs: stop using statics in chattr. Minor code shrinkage (-130 bytes) 2007-04-15 11:48:27 +00:00
Denis Vlasenko be1a9d4237 deluser: add optional support for removing users from groups
(by Tito <farmatito@tiscali.it>)
2007-04-15 08:43:23 +00:00
Denis Vlasenko 91de7c0328 update style-guide.txt 2007-04-15 08:39:39 +00:00
Denis Vlasenko 58394b1e29 xargs: simplify word list management 2007-04-15 08:38:50 +00:00
Denis Vlasenko e471275813 msh: style fixes
shell/README - a place to record things about busybox shells
2007-04-14 15:08:41 +00:00
Denis Vlasenko 5f9468e996 lineedit: nuke two unused variables and code which sets them
applets: do not even try to read config if run by real root
msh: use named constants (O_RDONLY etc) in open() instead of magic numbers,
     other minor code size reduction.
2007-04-14 13:22:09 +00:00
Denis Vlasenko 8a28e620ce lash: recognize and use NOFORK applets
lash,hush: fix kill buglet (didn't properly recognize ESRCH)
2007-04-14 11:16:29 +00:00
Denis Vlasenko bf3561fd15 lineedit: do not try to open NULL history file 2007-04-14 10:10:40 +00:00
Denis Vlasenko f5294e1f4c hush: use NOFORK applets as appropriate. Net reduction of code size. 2007-04-14 10:09:57 +00:00
Denis Vlasenko 16abcd90ae teach find_root_device to deal with /dev/ subdirs
(by "Kirill K. Smirnov" <lich@math.spbu.ru>)
2007-04-13 23:59:52 +00:00
Denis Vlasenko 334fa9bcb5 dpkg: use nitfields which are a bit closer to typical ushort.
Code size -800.
2007-04-13 23:22:58 +00:00
Denis Vlasenko 87468857f6 style fixes 2007-04-13 23:22:00 +00:00
Denis Vlasenko f7fcca4af7 sourse_route_list -> source_route_list 2007-04-13 22:07:21 +00:00
Denis Vlasenko 1d6a4aec2c make xsocket die with address family printed (if VERBOSE_RESOLUTION_ERRORS=y) 2007-04-13 21:26:20 +00:00
Denis Vlasenko fbf6dea5a2 hush: more style fixes. 2007-04-13 19:56:56 +00:00
Denis Vlasenko f03dbeda90 hush: comment out and replace bug in set_local_var:
-       if (value == 0 && ++value == 0) {
+       /*if (value == 0 && ++value == 0) ??? -vda */
+       if (value == NULL || value[1] == '\0') {

Style fixes.
2007-04-13 19:55:50 +00:00
Denis Vlasenko b636d8c18c shell/: add SUSv3 doc for fast & easy reference 2007-04-13 19:44:22 +00:00
Denis Vlasenko beaca811e4 fix typo in comment 2007-04-13 16:32:26 +00:00
Denis Vlasenko 62f0479cf1 find: add support for -delete, -path (by Natanael Copa) 2007-04-13 10:00:12 +00:00
Denis Vlasenko 945bd3dee8 sed: fix escaped newlines in -f; fix multiple -f and -e
(broke when getopt32 was fixed to not reverse the list)
2007-04-12 21:20:25 +00:00
Denis Vlasenko 3211adc184 login: fixing my brainfart: xspawn(t_argv) <- was using argv! 2007-04-12 20:33:01 +00:00
Denis Vlasenko b69f35effe lash: "forking" applets are actually can be treated the same way as "non-forked".
Also save a bit of space on trailing NULL array elements.
2007-04-12 17:10:45 +00:00
Denis Vlasenko 7cced6e574 fix realloc-of-non-malloced pointer, and reduce size while at it 2007-04-12 17:08:53 +00:00
Denis Vlasenko 0de3c55b42 login: remove setpgrp call (makes it work from shell prompt again).
login: sanitize stdio descriptors (we are suid, need to be careful!)
shrink login and set_environment by ~100 bytes.
2007-04-12 12:31:02 +00:00
Denis Vlasenko 831a20f512 pass a copy of argv[i] to NOFORK applets (they may permute it etc).
set/save/restore more shared global variables whan call one applet from another
2007-04-12 12:27:32 +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 d7c8196c1b ash: fix kill -l (by Mats Erik Andersson <mats.andersson64@comhem.se>) 2007-04-11 20:43:31 +00:00
Denis Vlasenko 8fd371276f fix typo in doc 2007-04-11 19:27:22 +00:00
Denis Vlasenko 6398cf477d style fixes, no code changes. 2007-04-11 17:04:29 +00:00
Denis Vlasenko e4f2d064b0 rename: run_applet_by_name -> run_applet_and_exit 2007-04-11 17:03:19 +00:00
Denis Vlasenko 0d058361e7 Add NOFORK/NOEXEC documentation. 2007-04-11 16:16:41 +00:00
Denis Vlasenko 03fc408de6 fix typo in comment 2007-04-11 07:36:31 +00:00
Denis Vlasenko d571c08c25 fix misplaced #if 2007-04-11 07:26:56 +00:00
Denis Vlasenko 473dae080a add more convenient defines for [NO]MMU:
"#ifndef BB_NOMMU" is a double negative
2007-04-11 07:04:23 +00:00
Denis Vlasenko f1a7141cfc random NOMMU fixes. compressed --help really does work for NOMMU! /me happy 2007-04-10 23:32:37 +00:00
Denis Vlasenko 80d14beae9 Rename two config options:
FEATURE_SH_STANDALONE_SHELL => FEATURE_SH_STANDALONE
FEATURE_EXEC_PREFER_APPLETS => FEATURE_PREFER_APPLETS
Make SH_STANDALONE depend on PREFER_APPLETS.
getopt.c: more randomconfig-induced fixes
2007-04-10 23:03:30 +00:00
Denis Vlasenko 8905496444 xargs: fix my brain fart (resulted in memory leak) 2007-04-10 21:41:16 +00:00
Denis Vlasenko c6758a07c6 make compressed help code NOMMU- and NOFORK-friendly -
no forking anymore, bunzip2 unpack routine now does all it in memory.
2007-04-10 21:40:19 +00:00
Denis Vlasenko 335b63d8d1 make a few struct bb_applet members conditional
rename sllep_and_die -> xfunc_die
make fflush_stdout_and_exit NOFORK-safe
fix some buglets found by randomconfig
2007-04-10 21:38:30 +00:00
Denis Vlasenko 246b5c3916 one-liner: fix indentation 2007-04-10 17:18:12 +00:00
Denis Vlasenko b38cf3ff8a bunzip2: big style cleanup. No code changes apart from one s/write/safe_write/
(verified with objdump).
2007-04-10 17:16:33 +00:00
Denis Vlasenko a9d7d24e1f echo: fix regression ("echo" with no arguments didn't print newline.
echo: use fputs if no options are given. Code growth ~15 bytes.

Old:
# time ./busybox find $bigdir -exec echo {} \; >/dev/null
real    0m2.038s
user    0m0.761s
sys     0m0.953s

New:
# time ./busybox find $bigdir -exec echo {} \; >/dev/null
real    0m1.781s
user    0m0.781s
sys     0m0.939s

For comparison: without NOFORK:
# time find $bigdir -exec echo {} \; >/dev/null
real    1m51.129s
user    0m38.442s
sys     1m3.350s
2007-04-10 16:34:00 +00:00
Denis Vlasenko 99912ca733 audit small applets and mark some of them as NOFORK.
Put big scary warnings in relevant places.
2007-04-10 15:43:37 +00:00
Denis Vlasenko ff131b980d style fixes. No code changes. 2007-04-10 15:42:06 +00:00
Denis Vlasenko 3f3aa2a57d make xfunctions optionally longjump instead of exit.
use it for making NOFORK more practical.
touch: make it a NOFORK applet
2007-04-09 21:35:07 +00:00
Denis Vlasenko cd7001f705 factor out NOFORK/NOEXEC code from find. Use it for xargs too. 2007-04-09 21:32:30 +00:00
Denis Vlasenko 1b4b2cb20e xargs: shrink code, ~80 bytes
applets.h: +#undef APPLET_NOEXEC
2007-04-09 21:30:53 +00:00
Denis Vlasenko 53d445aa75 wait4pid: if passed with pid < 0, do not set errno - it is already set by exec! 2007-04-09 13:21:33 +00:00
Denis Vlasenko 7e754f12d3 Implement first instance of NOFORK applet - echo
find: use NOFORK/NOEXEC; small -exec buglet also eliminated
vfork_daemon_rexec: honor PREFER_APPLETS
echo: small size improvements

find -exec echo {} \; with PREFER_APPLETS=y runs 4 times faster
2007-04-09 13:04:50 +00:00
Denis Vlasenko 2dfdd44d9d busybox: fix "<applet>: applet not found" message 2007-04-09 03:29:43 +00:00
Denis Vlasenko c44ab01b75 Improve STANDALONE_SHELL. "safe" applets are renamed NOEXEC applets
and now this fact is recorded in applets.h, not ash.c.

Several fixes to "--help + STANDALONE_SHELL" scenarios.

function                                             old     new   delta
run_current_applet_and_exit                            -     355    +355
arith                                               2064    2073      +9
refresh                                             1148    1156      +8
getopt32                                            1068    1073      +5
telnet_main                                         1510    1514      +4
md5_sha1_sum_main                                    565     566      +1
xstrtoul_range_sfx                                   255     251      -4
packed_usage                                       22523   22514      -9
tryexec                                              255     203     -52
static.safe_applets                                  152       -    -152
.rodata                                           131320  131128    -192
run_applet_by_name                                   869     506    -363
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 5/5 up/down: 382/-772)         Total: -390 bytes

./busybox ash -c 'i=20000; while test $i != 0; do touch z; i=$((i-1)); done'
runs more than twice as fast with STANDALONE_SHELL versus without.
2007-04-09 03:11:58 +00:00
Denis Vlasenko 95cb3263ae msh: smallish code shrinkage; cosmetics 2007-04-09 03:06:34 +00:00
Denis Vlasenko 32b633aa3f merge busybox.c into applets.c 2007-04-09 03:05:48 +00:00
Denis Vlasenko 786834bcee applets.h: de-obfuscate 2007-04-08 17:30:10 +00:00
Denis Vlasenko 240a1cfbbe add some missed statics on constant objects.
fix few #ifndef ENABLE_xxx

# size busybox_old busybox_unstripped
   text    data     bss     dec     hex filename
 677152    2920   18208  698280   aa7a8 busybox_old
 676420    2920   18208  697548   aa4cc busybox_unstripped
2007-04-08 16:07:02 +00:00
Denis Vlasenko 5694d5f8d2 adding small script, mostly for documentational purposes 2007-04-08 15:12:21 +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 b04b4357ff find: fix -prune more. Add big comment about it. 2007-04-08 11:10:43 +00:00
Denis Vlasenko bbd695d801 find: fix handling of -prune
recursive_actions: uppercase flag constants
2007-04-08 10:52:28 +00:00
Denis Vlasenko ca3484103e busybox.net: micro fix 2007-04-07 10:49:02 +00:00
Denis Vlasenko 1ae63fc1bc busybox.net: update "screenshot" 2007-04-07 10:46:33 +00:00
Denis Vlasenko 9c146a91d3 getopt: use getopt32 for option parsing - inspired by patch by
Mats Erik Andersson <mats.andersson64@comhem.se>
function                                             old     new   delta
getopt_main                                          809     810      +1
static.BUFFER                                          4       -      -4
shell                                                  8       4      -4
quote                                                  4       -      -4
quiet_output                                           4       -      -4
quiet_errors                                           4       -      -4
long_options_nr                                        4       -      -4
long_options_length                                    4       -      -4
long_options                                         388     384      -4
alternative                                            4       -      -4
shortopts                                             15       -     -15
normalize                                            243     220     -23
.rodata                                           131832  131800     -32
add_longopt                                          200       -    -200
------------------------------------------------------------------------------
(add/remove: 0/9 grow/shrink: 1/4 up/down: 1/-306)           Total: -305 bytes
2007-04-07 10:25:04 +00:00
Denis Vlasenko fdf63a30fe docs: "how to add a patch" 2007-04-07 09:35:56 +00:00
Denis Vlasenko 540a2a1f3b libiproute: audit callgraph, shortcut error paths into die() functions.
Kill a few statics, made other globals smaller:
oneline is smallint, _SL_ is char

function                                             old     new   delta
print_tunnel                                         693     731     +38
print_route                                         1775    1777      +2
print_addrinfo                                      1495    1497      +2
ipaddr_list_or_flush                                2826    2828      +2
oneline                                                4       1      -3
_SL_                                                   4       1      -3
ipaddr_modify                                       1476    1472      -4
parse_address                                        124     119      -5
ip_parse_common_args                                 429     423      -6
on_off                                                53      46      -7
do_del_ioctl                                         113     106      -7
do_add_ioctl                                         120     113      -7
do_show                                              864     856      -8
iprule_list                                          157     148      -9
do_iptunnel                                          310     299     -11
do_add                                               143     126     -17
get_ctl_fd                                            95      76     -19
set_address                                          108      84     -24
ip_main                                              351     323     -28
static.ifr                                            32       -     -32
parse_args                                          1992    1949     -43
iproute_list_or_flush                               1673    1582     -91
do_iplink                                           1583    1485     -98
filter                                               280       -    -280
------------------------------------------------------------------------------
(add/remove: 0/2 grow/shrink: 4/18 up/down: 44/-702)         Total: -658 bytes
2007-04-07 01:14:45 +00:00
Denis Vlasenko fbd2918f5c udhcp: MAC_BCAST_ADDR and blank_chaddr are in fact constant, move to rodata.
a few global variables reduced to smallints
function                                             old     new   delta
add_lease                                             75     227    +152
static.blank_chaddr                                    -      16     +16
MAC_BCAST_ADDR                                         -       6      +6
sockfd                                                 4       8      +4
udhcp_run_script                                    1153    1155      +2
state                                                  8       5      -3
listen_mode                                            4       1      -3
perform_release                                      152     148      -4
fd                                                     8       4      -4
blank_chaddr                                          16       -     -16
udhcpc_main                                         2518    2497     -21
.rodata                                           131864  131832     -32
oldest_expired_lease                                  61       -     -61
clear_lease                                          127       -    -127
------------------------------------------------------------------------------
(add/remove: 2/3 grow/shrink: 3/6 up/down: 180/-271)          Total: -91 bytes
2007-04-07 01:05:47 +00:00
Denis Vlasenko bb5b01c7c7 comm: eliminate statics 2007-04-07 00:45:27 +00:00
Denis Vlasenko 04c99ebb4f random small shrinkage and elimination of statics 2007-04-07 00:44:31 +00:00
Denis Vlasenko 19507f0869 nc: code shrinkage, bugfixes. -50 bytes code size 2007-04-06 10:41:05 +00:00
Denis Vlasenko 5a30d59c3d svn add match_fstype.c :( 2007-04-05 22:19:43 +00:00
Denis Vlasenko bf295dd5b6 [u]mount: extend -t option (Roy Marples <uberlord@gentoo.org>) 2007-04-05 21:57:47 +00:00
Denis Vlasenko df5bbb938a diff: fix segfault on empty dirs (Peter Korsgaard <peter.korsgaard@barco.com>) 2007-04-05 21:29:42 +00:00
Denis Vlasenko 1bb552b1d9 libbb: add xunlink()
patch: do not try to delete same file twice
2007-04-05 21:25:15 +00:00
Denis Vlasenko 2f7b923f5c find: improve usage text (Natanael Copa <natanael.copa@gmail.com>) 2007-04-05 21:01:06 +00:00
Denis Vlasenko 5f42d26865 nc: missed exit() in signal handler 2007-04-05 20:57:10 +00:00
Denis Vlasenko 29fe7265b8 nc: port nc 1.10 to busybox 2007-04-05 20:26:28 +00:00
Denis Vlasenko 7d6c9296e7 find: missed 'ststic' on const data 2007-04-05 00:35:43 +00:00
Denis Vlasenko 56fce00fc7 find: un-DESKTOPize (Kai Schwenzfeier <niteblade@gmx.net>)
find: -group, -depth (Natanael Copa <natanael.copa@gmail.com>)
find: make constant array static, declare PARM_xx constants with enum
2007-04-04 23:41:35 +00:00
Denis Vlasenko 1ca332b367 reword comment 2007-04-04 17:49:47 +00:00
Denis Vlasenko 794687947f Add/improve comment, shorten some usage texts. No code changes. 2007-04-04 11:02:55 +00:00