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fb29038b59
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823 Commits

Author SHA1 Message Date
Denis Vlasenko
fb29038b59 libbb: inntroduce and use bb_pstrcmp() and qsort_string_vector() 
msh: glob0/glob1/glob2/glob3 are just a sorting routine! remove them.

bb_pstrcmp                                             -      25     +25
qsort_string_vector                                    -      24     +24
expand                                              2209    2227     +18
getopt32                                            1359    1370     +11
passwd_main                                         1072    1074      +2
handle_incoming_and_exit                            2737    2735      -2
UNSPEC_print                                          66      64      -2
forkexec                                            1343    1339      -4
input_tab                                           3338    3330      -8
get_dir                                              185     177      -8
expmeta                                              481     473      -8
cmdputs                                              405     397      -8
xstrcmp                                               12       -     -12
find_pair                                            187     167     -20
match_compare                                         25       -     -25
dir_strcmp                                            25       -     -25
glob2                                                 27       -     -27
glob3                                                 34       -     -34
glob1                                                256       -    -256
------------------------------------------------------------------------------
(add/remove: 2/6 grow/shrink: 3/8 up/down: 80/-439)          Total: -359 bytes
 2008-03-02 12:51:26 +00:00
Denis Vlasenko
509697f00d msh: renames: ->words => ->op_words, space() => get_space() 
msh: simplify glob0/glob1/glob2/glob3

get_space                                              -      26     +26
glob3                                                 35      34      -1
glob2                                                 28      27      -1
strsave                                               55      53      -2
globv                                                  4       -      -4
func                                                   4       -      -4
xstrcmp                                               25      12     -13
dodot                                                178     164     -14
rexecve                                              272     257     -15
space                                                 26       -     -26
glob1                                                292     256     -36
expand                                              2246    2209     -37
------------------------------------------------------------------------------
(add/remove: 1/3 grow/shrink: 0/8 up/down: 26/-153)          Total: -127 bytes
 2008-03-02 12:49:39 +00:00
Denis Vlasenko
fe2188378c msh: fix for bug 846 ("break" didn't work second time) 
msh: don't use floating point in "times" builtin
+4 bytes difference
 2008-03-01 09:35:39 +00:00
Denis Vlasenko
574f2f4394 *: add optimization barrier to all "G trick" locations 2008-02-27 18:41:59 +00:00
Denis Vlasenko
400d8bb45e less,klogd,syslogd,nc,tcpudp: exit on signal by killing itself, not exit(1) 
*: minor shrink
 2008-02-24 13:36:01 +00:00
Denis Vlasenko
6aa74fcf5b ash: s/ckzmalloc/ckzalloc/ 2008-02-21 04:35:14 +00:00
Denis Vlasenko
838ffd5be2 ash: sprinkle a bit more of zeroed allocations. 2008-02-21 04:32:08 +00:00
Denis Vlasenko
e376d454bb libbb: introduce and use nonblock_safe_read(). Yay! 
Our shells are immune from this nasty O_NONBLOCK now!

function                                             old     new   delta
nonblock_safe_read                                     -      78     +78
file_get                                             276     295     +19
generateMTFValues                                    428     435      +7
read_line_input                                     1776    1772      -4
preadbuffer                                          543     450     -93
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 2/2 up/down: 104/-97)             Total: 7 bytes
   text    data     bss     dec     hex filename
 615190     715   23924  639829   9c355 busybox_old
 615168     715   23924  639807   9c33f busybox_unstripped
 2008-02-20 22:23:24 +00:00
Denis Vlasenko
597906c436 ash: introduce and use stzalloc and ckzalloc. 
function                                             old     new   delta
stzalloc                                               -      29     +29
ckzalloc                                               -      29     +29
recordregion                                         108     102      -6
cmdlookup                                            158     152      -6
pipeline                                             188     181      -7
parseheredoc                                         135     128      -7
makename                                              42      35      -7
list                                                 355     348      -7
setvareq                                             221     212      -9
aliascmd                                             324     311     -13
pushfile                                              83      69     -14
readtoken1                                          2872    2849     -23
parse_command                                       1430    1391     -39
------------------------------------------------------------------------------
(add/remove: 2/0 grow/shrink: 0/11 up/down: 58/-138)          Total: -80 bytes
   text    data     bss     dec     hex filename
 577227     706   23740  601673   92e49 busybox_old
 577147     706   23740  601593   92df9 busybox_unstripped
 2008-02-20 16:38:54 +00:00
Denis Vlasenko
c12d51e94e ash: fix fallout from "A=1 B=$A; echo $B" code. 2008-02-19 23:31:05 +00:00
Denis Vlasenko
56244736ec whitespace fixes 2008-02-17 15:14:04 +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
284d0faed6 random s/short/int/ 
add_cmd                                             1189    1190      +1
xconnect_ftpdata                                     118     117      -1
data_align                                            86      84      -2
process_files                                       2101    2096      -5
forkexec                                            1345    1334     -11
 2008-02-16 13:18:17 +00:00
Denis Vlasenko
0e6f661e23 ash: handle "A=1 A=2 B=$A; echo $B". closes bug 947. 2008-02-15 15:02:15 +00:00
Denis Vlasenko
94e87bc83d ash: explain why "set -o BOGUS" doesn't abort 2008-02-14 16:51:58 +00:00
Denis Vlasenko
28bf671d6d ash: make ash -c 'if set -o barfoo 2>/dev/null; then echo foo; else echo bar; fi' work 
(fixes bug 1142)

function                                             old     new   delta
options                                              551     565     +14
ash_main                                            1397    1411     +14
setcmd                                                77      90     +13
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/0 up/down: 41/0)               Total: 41 bytes
 2008-02-14 15:01:47 +00:00
Denis Vlasenko
773f6710c1 typo fix 2008-02-14 10:31:18 +00:00
Denis Vlasenko
12c0622231 tar: do "short EOF" compat only if CONFIG_DESKTOP. 
ash: add a comment about new minor bug
 2008-02-14 08:52:30 +00:00
Denis Vlasenko
65eb550024 reinstate redir.tests with correct perms 2008-02-13 18:10:46 +00:00
Denis Vlasenko
81887e2342 ash: add a testcase for recently fixed signal bug 2008-02-13 18:09:56 +00:00
Denis Vlasenko
fee2d0c256 msh: stop trying to parse variables in "msh SCRIPT VAR=val param". 
They should be passed as ordinary parameters.
 2008-02-12 10:12:18 +00:00
Denis Vlasenko
7e497527ea msh: instead of fixing "ls | cd", "cd | ls" etc just disallow 
builtins in pipes. They make no sense there anyway.
msh: shrink umask builtin.

function                                             old     new   delta
execute                                             2508    2509      +1
doset                                                326     317      -9
forkexec                                            1370    1345     -25
doumask                                              165     101     -64
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/3 up/down: 1/-98)             Total: -97 bytes
 2008-02-12 09:51:03 +00:00
Denis Vlasenko
e26b2783a5 ash: fix warning about _GNU_SOURCE being redefined, fix typo in comment. 2008-02-12 07:40:29 +00:00
Denis Vlasenko
648b44fd78 msh: shrink, mainly by using smallints 
function                                             old     new   delta
synio                                                251     263     +12
filechar                                             310     315      +5
subgetc                                              781     785      +4
brkcontin                                            106     109      +3
...
yylex                                                981     976      -5
execute                                             2513    2508      -5
waitfor                                              321     315      -6
onintr                                               103      97      -6
doset                                                332     326      -6
doexec                                               186     180      -6
yyparse                                               65      57      -8
thenpart                                             135     126      -9
forkexec                                            1379    1370      -9
onecommand                                           457     433     -24
newtp                                                 52      28     -24
command                                             1086    1061     -25
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 7/23 up/down: 27/-163)         Total: -136 bytes
 2008-02-12 06:04:06 +00:00
Denis Vlasenko
a5f2cd30c9 msh: do not run pipes where last command is a builtin 
msh: code shrink and some renames for better readability
 2008-02-11 18:10:06 +00:00
Denis Vlasenko
83177991c8 hush: die_sllep needs restoring only if job control is on 2008-02-11 08:44:36 +00:00
Denis Vlasenko
08126f665d hush: close-on-exec interactive_fd 2008-02-11 08:39:11 +00:00
Denis Vlasenko
459a5ad410 hush: set CLOEXEC on script file being executed 2008-02-11 08:35:03 +00:00
Denis Vlasenko
4ecfcdcced hush: fix the comment 2008-02-11 08:32:31 +00:00
Denis Vlasenko
c04163a289 hush: reset die_sleep to 0 in child after fork 2008-02-11 08:30:53 +00:00
Denis Vlasenko
991a1da148 ash: fix "orwell bug" 1984. Testcase: 
trap_handler() {
        echo trap
    }
    trap trap_handler USR1
    sleep 3600 &
    while true; do wait; done
 2008-02-10 19:02:53 +00:00
Denis Vlasenko
0ef240d979 hush: small fixes to docs/testsuite 2008-02-10 16:00:30 +00:00
Denis Vlasenko
05743d7949 hush: reinstate cmd handling for NOMMU (with fat big warning). 
hush: fix a case where none of pipe members could be started
  because of fork failure
hush: rename functions: xxx_real -> xxx
hush: try to add a bit more of vfork-friendliness
hush: add rudimentary design docs
hush: add TODO (newly discovered bug with globbing)
 2008-02-10 12:10:08 +00:00
Denis Vlasenko
5c3d2b334a ash: readability enhancement, no code changes 2008-02-03 22:01:08 +00:00
Denis Vlasenko
6e602c4931 msh: also handle EOF/read errors correctly 2008-02-02 18:50:50 +00:00
Denis Vlasenko
80667e30fb msh: fix Ctrl-C handling with line editing 2008-02-02 18:35:55 +00:00
Denis Vlasenko
36fc3cd8bc ash: code readability enhancements, no real code changes 2008-01-29 09:23:49 +00:00
Denis Vlasenko
847fa779af *: tidy up usage of char **environ 2008-01-28 22:45:43 +00:00
Denis Vlasenko
d2c450ce81 hush: report [v]fork failures 
hush: more correct handling of piping
config: add CONFIG_NOMMU
 2008-01-08 20:32:12 +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
Mike Frysinger
08137c28c4 add expected output 2007-12-25 04:35:05 +00:00
Denis Vlasenko
3b4921674e hush: fixlet for NOMMU 
update TODO_config_nommu
 2007-12-24 14:26:57 +00:00
Denis Vlasenko
528a8b9769 cttyhack: trivial build fixlet 2007-12-22 19:57:28 +00:00
Denis Vlasenko
ee87ebf381 fix buglets found by randomconfig 2007-12-21 22:18:16 +00:00
Denis Vlasenko
c794c51a1a msh: reduce global data/bss usage 
(add/remove: 1/5 grow/shrink: 28/6 up/down: 464/-394)          Total: 70 bytes
   text    data     bss     dec     hex filename
 778077     908    7568  786553   c0079 busybox_old
 778330     860    7408  786598   c00a6 busybox_unstripped
 2007-12-16 17:21:29 +00:00
Denis Vlasenko
0163111325 ash: reduce global data/bss usage 
(add/remove: 4/29 grow/shrink: 76/21 up/down: 1007/-1713)    Total: -706 bytes
   text    data     bss     dec     hex filename
 777206    1084    8976  787266   c0342 busybox_old
 778077     908    7568  786553   c0079 busybox_unstripped
 2007-12-16 17:20:38 +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
9cb220be9d lineedit: don't violate API if we do simple fgets 
ash: cosmetic style fixes, no code changes
 2007-12-09 10:03:28 +00:00
Denis Vlasenko
ab801874f8 attack the biggest stack users: 
-mkfs_minix_main [busybox_unstripped]:                  4288
-mkfs_minix_main [busybox_unstripped]:                  4276
-grave [busybox_unstripped]:                            4260
(bzip2 users too - not listed)

price we pay in code size increase:
mainSort                                            2458    2515     +57
grave                                               1005    1058     +53
sendMTFValues                                       2177    2195     +18
BZ2_blockSort                                        122     125      +3
mkfs_minix_main                                     3070    3022     -48
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 4/1 up/down: 131/-48)            Total: 83 bytes
 2007-12-02 08:35:37 +00:00