Commit Graph

284 Commits

Author SHA1 Message Date
Denis Vlasenko
c7131c3e58 ash: fix breakage introduced in rev 21481.
Fixes ash-vars/var_posix1.tests testsuite entry.
2008-04-14 01:59:53 +00:00
Denis Vlasenko
7465dbcf2a ash: speed up NOFORK code in ash by eliminating second find_applet().
some code reduction along the way.

function                                             old     new   delta
run_list                                            1971    1981     +10
run_nofork_applet_prime                              181     182      +1
unsetcmd                                              97      96      -1
delete_cmd_entry                                      54      53      -1
describe_command                                     399     397      -2
cmdlookup                                            152     150      -2
evaltreenr                                           602     599      -3
evaltree                                             602     599      -3
clearcmdentry                                        101      98      -3
cdcmd                                                675     672      -3
hashcmd                                              305     301      -4
find_command                                         933     910     -23
evalcommand                                         1371    1229    -142
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/11 up/down: 11/-187)         Total: -176 bytes
2008-04-13 02:25:53 +00:00
Denis Vlasenko
9bc80d7062 ash: add FEATURE_SH_NOFORK support 2008-04-12 20:07:53 +00:00
Denis Vlasenko
4a9ca13fe7 ash: do not do find_applet() twice in shellexec/tryexec 2008-04-12 20:07:08 +00:00
Denis Vlasenko
468aea2d88 shells: do not frocibly enable test, echo and kill _applets_,
just build relevant source and use xxx_main functions.
build system: add a special case when we have exactly one applet enabled
(makes "true", "false", "basename" REALLY tiny).
getopt32: do not use stdio.

function                                             old     new   delta
getopt32                                            1385    1412     +27
make_device                                         1187    1200     +13
basename_main                                        120     127      +7
tcpudpsvd_main                                      1922    1926      +4
testcmd                                                5       -      -5
echocmd                                                5       -      -5
fuser_main                                          1243    1231     -12
------------------------------------------------------------------------------
(add/remove: 0/2 grow/shrink: 4/1 up/down: 51/-22)             Total: 29 bytes
2008-04-01 14:47:57 +00:00
Denis Vlasenko
80591b0a00 ash: support for && and || in [[ expr ]]; add testsuite checks 2008-03-25 07:49:43 +00:00
Denis Vlasenko
f7d5665969 ash: comment about [[; code style fixes. No code changes. 2008-03-25 05:51:41 +00:00
Denis Vlasenko
92e13c2a11 ash: optional bash-like pattern subst and substring opts
(by James Simmons <jsimmons AT infradead.org>)
TODO: write testsuite!

BASH_COMPAT off:
scanleft                                             101     262    +161
subevalvar                                           346     335     -11
BASH_COMPAT on:
subevalvar                                           346    1397   +1051
scanleft                                             101     262    +161
readtoken1                                          2739    2807     +68
cmdputs                                              397     399      +2
static.vstype                                         64      48     -16
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 4/1 up/down: 1282/-16)         Total: 1266 bytes
2008-03-25 01:17:40 +00:00
Denis Vlasenko
59f351ccda ash: add read -u; fix read -t and read -n; add testsuite entries. 2008-03-25 00:07:12 +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
68404f13d4 *: add -Wunused-parameter; fix resulting breakage
function                                             old     new   delta
procps_scan                                         1265    1298     +33
aliascmd                                             278     283      +5
parse_file_cmd                                       116     120      +4
dname_enc                                            373     377      +4
setcmd                                                90      93      +3
execcmd                                               57      60      +3
count_lines                                           72      74      +2
process_command_subs                                 340     339      -1
test_main                                            409     407      -2
mknod_main                                           179     177      -2
handle_incoming_and_exit                            2653    2651      -2
argstr                                              1312    1310      -2
shiftcmd                                             131     128      -3
exitcmd                                               46      43      -3
dotcmd                                               297     294      -3
breakcmd                                              86      83      -3
evalpipe                                             353     349      -4
evalcommand                                         1180    1176      -4
evalcmd                                              109     105      -4
send_tree                                            374     369      -5
mkfifo_main                                           82      77      -5
evalsubshell                                         152     147      -5
typecmd                                               75      69      -6
letcmd                                                61      55      -6
add_cmd                                             1190    1183      -7
main                                                 891     883      -8
ash_main                                            1415    1407      -8
parse_stream                                        1377    1367     -10
alloc_procps_scan                                     55       -     -55
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 7/21 up/down: 54/-148)          Total: -94 bytes
   text    data     bss     dec     hex filename
 797195     658    7428  805281   c49a1 busybox_old
 797101     658    7428  805187   c4943 busybox_unstripped
2008-03-17 09:00:54 +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
8e2cfec1cd libbb: introduse and use signal_[no_]SA_RESTART_empty_mask and sigaction_set
signal_SA_RESTART_empty_mask                           -      65     +65
signal_no_SA_RESTART_empty_mask                        -      54     +54
dd_main                                             1325    1369     +44
sigaction_set                                          -      19     +19
dname_enc                                            373     377      +4
UNSPEC_print                                          64      66      +2
setsignal                                            296     294      -2
bb_signals_recursive                                  95      92      -3
bb_askpass                                           367     361      -6
inetd_main                                          1810    1797     -13
rx_main                                              912     883     -29
sigdelset                                             32       -     -32
__sigdelset                                           32       -     -32
__GI_sigdelset                                        32       -     -32
sighup_handler                                        84      37     -47
arping_main                                         1844    1797     -47
fsck_main                                           1869    1807     -62
run_list                                            1917    1844     -73
vlock_main                                           492     409     -83
progressmeter                                        883     798     -85
handle_incoming_and_exit                            2737    2651     -86
------------------------------------------------------------------------------
(add/remove: 3/3 grow/shrink: 3/12 up/down: 188/-632)        Total: -444 bytes
2008-03-12 23:19:35 +00:00
Denis Vlasenko
574f2f4394 *: add optimization barrier to all "G trick" locations 2008-02-27 18:41:59 +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 $B" code. 2008-02-19 23:31:05 +00:00
Denis Vlasenko
56244736ec whitespace fixes 2008-02-17 15:14:04 +00:00
Denis Vlasenko
0e6f661e23 ash: handle "A=1 A=2 B=$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
e26b2783a5 ash: fix warning about _GNU_SOURCE being redefined, fix typo in comment. 2008-02-12 07:40:29 +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
5c3d2b334a ash: readability enhancement, no code changes 2008-02-03 22:01:08 +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
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
ee87ebf381 fix buglets found by randomconfig 2007-12-21 22:18:16 +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
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
1aa7e477b1 reorganize applet table. Eliminates pointers to names.
Should be a big win for libbusybox. busybox wins too:

   text    data     bss     dec     hex filename
 776524     929    9100  786553   c0079 busybox_old
 775903     929    9100  785932   bfe0c busybox_unstripped
2007-11-28 06:49:03 +00:00
Denis Vlasenko
ed270a5f32 ash: make code simpler, and do not do close(-1) - it's rude 2007-11-26 05:37:07 +00:00
Denis Vlasenko
fe5e23bf75 remove echo_main -> bb_echo indirection 2007-11-24 02:23:51 +00:00
Denis Vlasenko
7d75a96b15 ash: fix bug where redirection of closed fd was leaving it open afterwards.
redirect                                             983    1024     +41
bb_echo                                              276     301     +25
popredir                                             118     132     +14
evalcommand                                         1163    1176     +13
bbunpack                                             358     366      +8
echocmd                                               13       5      -8
echo_main                                             13       5      -8
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 5/2 up/down: 101/-16)            Total: 85 bytes
   text    data     bss     dec     hex filename
 774999     962    9236  785197   bfb2d busybox_old
 775084     962    9236  785282   bfb82 busybox_unstripped
2007-11-22 08:16:57 +00:00
Denis Vlasenko
a59f435b5f ash: if tcgetattr(stdin) fails, don't mess with tcsetattr
ash: size-optimize ulimit's table of limits

   text    data     bss     dec     hex filename
 777345     974    9676  787995   c061b busybox_old
 777253     974    9676  787903   c05bf busybox_unstripped
2007-10-29 19:17:29 +00:00
Denis Vlasenko
037576d77b read_line_input: fix it to not do any fancy editing if echoing is disabled.
ash: make read handling both more correct and smaller

read_line_input                                     4037    4101     +64
input_backward                                       140     139      -1
readcmd                                             1079    1070      -9
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/2 up/down: 65/-10)             Total: 54 bytes
   text    data     bss     dec     hex filename
 777575    1000    9532  788107   c068b busybox_old
 777629    1000    9532  788161   c06c1 busybox_unstripped
2007-10-20 18:30:38 +00:00
Denis Vlasenko
0de37e10ed ash: use fdprintf, not dprintf.
*: trailing whitespace removed
2007-10-17 11:08:53 +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
82d38dab91 get rid of global "struct bb_applet *current_applet" 2007-10-10 14:38:47 +00:00
Denis Vlasenko
41770226bb ash: revert "cat | jobs" fix, it causes more problems than good 2007-10-07 18:02:52 +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
6081868ee3 fix "if (p) free(p)" constructs 2007-09-28 22:07:23 +00:00
Denis Vlasenko
46a530626d ash: fix prompt expansion (Natanael Copa <natanael.copa@gmail.com>) 2007-09-24 18:30:02 +00:00
Denis Vlasenko
7b70d78de8 ash: remove erroneously applied patch 2007-09-21 22:48:02 +00:00
Denis Vlasenko
f431017535 httpd: optional support for partial downloads 2007-09-21 22:35:18 +00:00
Denis Vlasenko
bcceb0c5a4 ash: s/int/smallint/. -60 bytes. 2007-09-21 18:06:20 +00:00
Denis Vlasenko
87f3b26b3a *: replace select-for-one descriptor with poll, it's smaller.
$ ./.cmk bloatcheck
function                                             old     new   delta
readit                                               406     364     -42
syslogd_main                                        1249    1206     -43
traceroute_main                                     4115    4060     -55
mysleep                                              112      45     -67
arpping                                              579     441    -138
tftp                                                1575    1182    -393
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/6 up/down: 0/-738)           Total: -738 bytes
   text    data     bss     dec     hex filename
 770580    1051   10764  782395   bf03b busybox_old
 769820    1051   10764  781635   bed43 busybox_unstripped
2007-09-07 13:43:28 +00:00
Denis Vlasenko
d37f22225b libbb,crond,lash: fix getopt32 (don't know how it managed to slip through)
*: fcntl(fd, F_GETFL) doesn't require third parameter at all.
2007-08-19 13:42:08 +00:00