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295 Commits

Author SHA1 Message Date
Denis Vlasenko
e421b5ebf6 init: do not close all descriptors > 2. We were doing it - sometimes. 
Good choices are "do it, always" or "don't do it". Second is smaller.
 2008-03-17 22:01:42 +00:00
Denis Vlasenko
fb274df079 init: do not use bb_sanitize_stdio(), "/dev/null" may be missing (yet) 2008-03-17 13:26:51 +00:00
Denis Vlasenko
1d42665b6b *: shrink: use Vladimir's "o+" specifier instead of xatou(opt_param) 
function                                             old     new   delta
getopt32                                            1370    1385     +15
sulogin_main                                         490     494      +4
realpath_main                                         84      86      +2
sleep_main                                            76      77      +1
mt_main                                              256     257      +1
printenv_main                                         75      74      -1
fdformat_main                                        546     545      -1
usleep_main                                           44      42      -2
setlogcons_main                                       77      75      -2
ed_main                                             2654    2649      -5
deallocvt_main                                        69      64      -5
addgroup_main                                        373     368      -5
mkfs_minix_main                                     2989    2982      -7
tail_main                                           1221    1213      -8
sv_main                                             1254    1241     -13
du_main                                              348     328     -20
tftp_main                                            325     302     -23
split_main                                           581     558     -23
nc_main                                             1000     977     -23
diff_main                                            891     868     -23
arping_main                                         1797    1770     -27
ls_main                                              893     847     -46
od_main                                             2797    2750     -47
readprofile_main                                    1944    1895     -49
tcpudpsvd_main                                      1973    1922     -51
udhcpc_main                                         2590    2513     -77
grep_main                                            824     722    -102
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 5/22 up/down: 23/-560)         Total: -537 bytes
   text    data     bss     dec     hex filename
 796973     658    7428  805059   c48c3 busybox_old
 796479     662    7420  804561   c46d1 busybox_unstripped
 2008-03-17 09:09:09 +00:00
Denis Vlasenko
3f165fa5b3 libbb: introduce and use sigprocmask_allsigs and sigaction_set. 
libbb: rename sig_pause to wait_for_any_sig.
 2008-03-17 08:29:08 +00:00
Denis Vlasenko
671ca33aa1 init: make it NOMMU-capable 
httpd: trivial compile fix
 2008-02-19 14:13:20 +00:00
Denis Vlasenko
a58a637bed init: fix comments 2008-02-19 12:10:18 +00:00
Denis Vlasenko
99a61842df init: HUP should not be temporarily set to "restart", 
we use it for config reload, and we have QUIT for "restart".
 2008-02-19 12:08:38 +00:00
Denis Vlasenko
a37e7134f7 init: fix bug 1111: restart actions were not splitting words: 
::restart:/sbin/rc restart
resulted in:
exec of '/sbin/rc restart' failed: No such file or directory
 2008-02-19 02:57:07 +00:00
Denis Vlasenko
25591c322c libbb: introduce bb_signals and bb_signals_recursive, 
which sets same handler for many signals. sig_catch is nuked
(bb_signals_recursive is more descriptive name).
*: use them as appropriate. 

function                                             old     new   delta
bb_signals_recursive                                   -      95     +95
bb_signals                                             -      52     +52
run_command                                          258     273     +15
svlogd_main                                         1368    1377      +9
runsv_main                                          1746    1752      +6
runsvdir_main                                       1643    1646      +3
UNSPEC_print                                          64      66      +2
time_main                                           1128    1127      -1
...
resize_main                                          246     210     -36
sig_catch                                             63       -     -63
set_fatal_sighandler                                  85      14     -71
------------------------------------------------------------------------------
(add/remove: 2/1 grow/shrink: 5/24 up/down: 182/-548)        Total: -366 bytes
 2008-02-16 22:58:56 +00:00
Denis Vlasenko
c882f341ce init: allow last line to be not terminated by '\n' 2008-01-29 09:56:21 +00:00
Bernhard Reutner-Fischer
f470196a41 - fix conflicting decls of syslog related facilitynames and prioritynames tables 2008-01-27 12:50:12 +00:00
Denis Vlasenko
21e20cb4ad init: wait for orphaned children too while waiting 
for sysinit-like processes (Harald Küthe <harald-tuxbox@arcor.de>)
 2008-01-04 15:10:47 +00:00
Denis Vlasenko
fb0eba706c libbb: introduce and use safe_waitpid (loops in EINTR) 
*: use more approproate (shorter) versions of wait()

function                                             old     new   delta
safe_waitpid                                           -      48     +48
wait_any_nohang                                        -      17     +17
send_tree                                            365     369      +4
processorstop                                        432     435      +3
text_yank                                            110     108      -2
make_human_readable_str                              202     200      -2
crond_main                                          1368    1366      -2
handle_sigchld                                        49      43      -6
reapchild                                            166     159      -7
custom                                               260     250     -10
checkscript                                          191     177     -14
wait_nohang                                           17       -     -17
wait_pid                                              43       -     -43
------------------------------------------------------------------------------
(add/remove: 2/2 grow/shrink: 2/7 up/down: 72/-103)           Total: -31 bytes
 2008-01-02 19:55:04 +00:00
Denis Vlasenko
d55268d0d4 init: don't spawn tons of waiting children, one is enough 
init: shrink signal disabling code
init: rename some functions
   text    data     bss     dec     hex filename
 778657     832    7344  786833   c0191 busybox_old
 778445     832    7344  786621   c00bd busybox_unstripped
 2007-12-26 18:32:58 +00:00
Denis Vlasenko
5adfa44101 init: sometimes, #ifdefs are cleaner. 2007-12-25 16:08:53 +00:00
Mike Frysinger
bb50fdfe07 convert #if to if -- let gcc optimize away dead code for us 2007-12-25 04:30:14 +00:00
Denis Vlasenko
ec5631b6d6 init: add FEATURE_KILL_REMOVED (Eugene Bordenkircher <eugebo@gmail.com>) 
init: slight size optimization
 2007-12-25 01:08:58 +00:00
Denis Vlasenko
d7e2e127a9 cttyhack: add missing ';' 
init: remove pointless access() check
 2007-12-10 08:40:29 +00:00
Denis Vlasenko
2afabe8b83 init: remove superfluous forks and messing up with argv[0] 
cttyhack: add stealing of ctty
 2007-12-10 07:06:04 +00:00
Denis Vlasenko
70ab28f907 syslogd: use DEV_CONSOLE consistently 
init: remove obsolete comment
 2007-11-18 05:43:05 +00:00
Denis Vlasenko
f6ccc62c70 init: fix bug 1584: improper check for fork error 2007-11-10 01:57:35 +00:00
Denis Vlasenko
6bef3d1d22 fbset: fix buglet where we were using wrong pointer 
readahead: stop using stdio.h
*: style fixes
 2007-11-06 03:05:54 +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
96e1b38586 introduce and use close_on_exec_on(fd). -50 bytes. 2007-09-30 23:50:48 +00:00
Denis Vlasenko
818322b9b1 *: kill bb_get_last_path_component, replace with two functions 
(one which strips trailing slash and one which does not)
wget: straighten out as a result of above change
   text    data     bss     dec     hex filename
   5056       1       0    5057    13c1 busybox.t4/networking/wget.o
   5022       0       0    5022    139e busybox.t5/networking/wget.o
 2007-09-24 18:27:04 +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
d8540f71ac init: make sure fd 0,1,2 are not closed, + related optimizations. 
init_main                                            929     920      -9
bb_daemonize_or_rexec                                145     127     -18
 2007-06-14 07:53:06 +00:00
Denis Vlasenko
ca525b4f24 *: BB_BANNER -> bb_banner (it is not a const or #define)! 
correct_password: explain in detail why it is ok to use bb_banner
fsck_minix: make it print bb version, not it's own (outdated/irrelevant) one

Marginal size difference:
   text    data     bss     dec     hex filename
 679119    2700   15632  697451   aa46b busybox_old
 679091    2700   15632  697423   aa44f busybox_unstripped
 2007-06-13 12:27:17 +00:00
Denis Vlasenko
f5f75c5e82 remove nearly-duplicate PATHs in several places 
function                                             old     new   delta
bb_PATH_root_path                                      -      35     +35
varunset                                              60      58      -2
arith                                               2042    2033      -9
bb_default_root_login_path                            30       -     -30
.rodata                                           128794  128762     -32
which_main                                           152     117     -35
defpathvar                                            40       -     -40
------------------------------------------------------------------------------
(add/remove: 1/2 grow/shrink: 0/4 up/down: 35/-148)          Total: -113 bytes
 2007-06-12 22:35:19 +00:00
Denis Vlasenko
9a7d38fe24 delete tons of extra #includes 2007-05-31 22:42:12 +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
51742f4bb0 style fixes. No code changes 2007-04-12 00:32:05 +00:00
Denis Vlasenko
219d14d514 random style fixes (extra spaces deleted) 2007-03-24 15:40:16 +00:00
Denis Vlasenko
ccd412da09 decouple INIT and SYSLOGD (patch by Eric Spakman E.Spakman@inter.nl.net) 2007-03-05 19:55:30 +00:00
Denis Vlasenko
d238a477b7 init: fix handling of stdio file descriptors 2007-03-05 19:22:04 +00:00
Denis Vlasenko
966bb43766 init: de-indent a block of code 2007-02-27 19:20:33 +00:00
Denis Vlasenko
b716754199 init: trivial compile fix 2007-02-27 19:20:00 +00:00
Denis Vlasenko
7a2ca5e111 init: stop doing silly things with the console (-400 bytes) 
init_shared.[ch]: unused, thus deleted
 2007-02-21 00:15:20 +00:00
Denis Vlasenko
ec27feb045 init: code readability enhancements; very small code changes 2007-02-17 15:52:02 +00:00
Bernhard Reutner-Fischer
d818dcc72a - whitespace cleanup and add a possible shrinkage suggestion 2007-02-16 17:17:07 +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
4c97863109 assorted fixes for bugs found with randomconfig 2007-02-03 03:31:13 +00:00
Denis Vlasenko
e968fcd562 lineedit: add missing #if/#endif 
init: fix warnings
 2007-02-03 02:42:47 +00:00
Denis Vlasenko
4921b54f37 Add BB_EXEC[LV]P() which encapsulate FEATURE_EXEC_PREFER_APPLETS 
(patch from Gabriel L. Somlo <somlo@cmu.edu>)
 2007-02-03 02:17:41 +00:00
Denis Vlasenko
06c0a71d23 preparatory patch for -Wwrite-strings #3 2007-01-29 22:51:44 +00:00
Denis Vlasenko
2f0c0d0b88 Introduce FEATURE_EXEC_PREFER_APPLETS = "re-execute our own 
executable if we asked to exec someting with argv[0] == known_applet"
Use it in init. Also respect PATH in init, remove explicit "/sbin" etc
from exec. Patch by Gabriel L. Somlo <somlo@cmu.edu>
 2007-01-21 00:41:04 +00:00
Denis Vlasenko
9b1381fd2f convert calloc to xzalloc 
fix sleep-on-die option
 2007-01-03 02:56:00 +00:00
Denis Vlasenko
bf0a201008 style fixes 
last xcalloc replaced by xzalloc
 2006-12-26 10:42:51 +00:00
Denis Vlasenko
bf66fbc8e2 introduce LONE_CHAR (optimized strcmp with one-char string) 2006-12-21 13:23:14 +00:00
Denis Vlasenko
dca0b707c0 reshuffle libbb.h contents so that order of decls makes sense 
Found bad typo in largefile support :)
 2006-10-27 09:05:02 +00:00