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54e9e1217c
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1581 Commits

Author SHA1 Message Date
Denys Vlasenko
54e9e1217c hush: code shrink 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-05-09 00:52:15 +02:00
Denys Vlasenko
80542bad2f hush: make read builtin interruptible. 
function                                             old     new   delta
builtin_read                                         185     471    +286
check_and_run_traps                                  200     262     +62
nonblock_immune_read                                  73     119     +46
sigismember                                            -      44     +44
record_signal                                          -      21     +21
sigisemptyset                                          -      16     +16
...
------------------------------------------------------------------------------
(add/remove: 5/0 grow/shrink: 7/5 up/down: 483/-46)           Total: 437 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-05-08 21:23:43 +02:00
Denys Vlasenko
80c5b6893d libbb: nonblock_safe_read->nonblock_immune_read, remove unused param of xmalloc_reads 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-05-08 21:21:10 +02:00
Denys Vlasenko
b8709032a3 hush: fix incorrect PS2 dispaly and trap handling while reading command 
The fix affects only !ENABLE_FEATURE_EDITING configuration

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-05-08 21:20:01 +02:00
Ian Wienand
89b3cbaa97 ash: clear sa_flags always 
Signed-off-by: Ian Wienand <ianw@vmware.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-04-16 20:05:14 +02:00
Denys Vlasenko
e32d05b708 ash,hush: add ulimit -e -r (RLIMIT_NICE, RLIMIT_RTPRIO) 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-04-04 02:12:14 +02:00
Denys Vlasenko
2c4de5b045 ash,hush: optional support for $HISTFILESIZE. 
Based on patch from Alexey Fomenko (ext-alexey.fomenko AT nokia.com)

function                                             old     new   delta
size_from_HISTFILESIZE                                 -      44     +44
hush_main                                            998    1025     +27
ash_main                                            1348    1374     +26
read_line_input                                     3361    3372     +11
new_line_input_t                                      17      24      +7

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-03-31 13:16:52 +02:00
Denys Vlasenko
a439fa93f6 hush: remove outdated comments 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-03-30 19:11:46 +02:00
Denys Vlasenko
cecbc98611 hush: fix source1.tests 
function                                             old     new   delta
parse_and_run_stream                                  95     139     +44
static_get                                            22      25      +3
file_get                                             260     263      +3
builtin_umask                                        133     132      -1
parse_stream                                        2442    2425     -17
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/2 up/down: 50/-18)             Total: 32 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-03-30 18:54:52 +02:00
Denys Vlasenko
c162bcdcd1 hush: document a bug about aborting on sourced file error when non-interactive 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-03-24 05:38:51 +01:00
Denys Vlasenko
3eab24e64a hush: make parse errors in sourced file non-fatal in interactive script 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-03-24 05:25:59 +01:00
Denys Vlasenko
68d5cb5dac hush: fix a case where return in sourced file has no effect 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-03-24 02:50:03 +01:00
Denys Vlasenko
20704f0662 ash,hush: recheck LANG before every line input 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-03-23 17:59:27 +01:00
Denys Vlasenko
6b6af53426 ash/hush: shrink help text 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-03-08 10:24:17 +01:00
Denys Vlasenko
976ec23da5 remove stray empty line 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-03-07 13:12:01 +01:00
Denys Vlasenko
b0b834342f ash/hush: provide help text 
$ ./busybox ash --help
BusyBox v1.19.0.git (2011-03-07 11:25:29 CET) multi-call binary.

Usage: ash [-/+OPTCHARS] [-/+o OPTNAME]... [-c 'SCRIPT' [ARG0 [ARGS]] / SCRIPT_FILE [ARGS]]

Unix shell interpreter

$ ./busybox hush --help
BusyBox v1.19.0.git (2011-03-07 11:25:29 CET) multi-call binary.

Usage: hush [-nx] [-c 'SCRIPT' [ARG0 [ARGS]] / SCRIPT_FILE [ARGS]]

Unix shell interpreter

function                                             old     new   delta
packed_usage                                       28163   28212     +49
setcmd                                                85      78      -7
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/1 up/down: 49/-7)              Total: 42 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-03-07 12:34:59 +01:00
Denys Vlasenko
aefe1c260e ash: fix execution of shell scripts without shebang 
We were assuming #!/bin/sh, whereas we had to simply re-enter ash.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-03-07 12:02:40 +01:00
Denys Vlasenko
940c7206c2 convert "do {...} while (1);" -> "while (1) {...}" 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-03-02 04:07:14 +01:00
Denys Vlasenko
bac0a25f72 slightly better wording in comments 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-02-21 03:47:50 +01:00
Denys Vlasenko
b12553faa8 ash: fix ash-signals/signal8 testcase failure 
function                                             old     new   delta
killcmd                                              109     224    +115
kill_main                                            882     910     +28
changepath                                           194     195      +1
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/0 up/down: 144/0)             Total: 144 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-02-21 03:22:20 +01:00
Denys Vlasenko
7c6f2468cc hush: do not print killer signal's name for SIGPIPE 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-02-14 17:17:10 +01:00
Denys Vlasenko
66c5b12dbf ash: fix TMOUT not restoring tty attributes 
function                                             old     new   delta
pgetc                                                420     500     +80
readtoken1                                          3202    3239     +37
read_line_input                                     3316    3337     +21
udhcpc_main                                         2610    2630     +20
file_get                                             266     272      +6
expandarg                                            958     963      +5
localcmd                                             257     259      +2
addLines                                              85      87      +2
read_line                                             94      95      +1
ed_main                                             2540    2541      +1
timed_out                                              1       -      -1
lineedit_read_key                                    256     255      -1
alrm_sighandler                                       44       -     -44
cmdloop                                              539     434    -105
------------------------------------------------------------------------------
(add/remove: 0/2 grow/shrink: 10/2 up/down: 175/-151)          Total: 24 bytes
   text    data     bss     dec     hex filename
 887379     936   17200  905515   dd12b busybox_old
 887411     936   17192  905539   dd143 busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-02-08 05:07:02 +01:00
Denys Vlasenko
8ee2adab21 echo: do not retry on write errors 
function                                             old     new   delta
echo_main                                            297     336     +39
stpcpy                                                 -      22     +22
run_pipe                                            1561    1566      +5
pseudo_exec_argv                                     187     192      +5
hush_exit                                             75      80      +5
------------------------------------------------------------------------------
(add/remove: 3/0 grow/shrink: 4/0 up/down: 98/0)               Total: 76 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-02-07 02:03:51 +01:00
Denys Vlasenko
046341e8bd ash: optional support for $TMOUT variable 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-02-04 17:53:59 +01:00
Denys Vlasenko
8c52f80397 ash: cosmetic cleanups 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-02-04 17:36:21 +01:00
Denys Vlasenko
b7c9fb27cb whitespace fixes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-02-03 00:05:48 +01:00
Denys Vlasenko
b72baeb003 hush: use FEATURE_SH_NOFORK to enable NOFORK trick 
Also expands docs

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-02-02 18:38:57 +01:00
Denys Vlasenko
8d0e0cdadf move utmp.h include to libbb.h 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-01-25 23:21:46 +01:00
Denys Vlasenko
a146319173 hush: improve prompt in nested {}s, remove unused in_str->promptme member 
function                                             old     new   delta
setup_string_in_str                                   29      38      +9
parse_and_run_stream                                  79      88      +9
setup_file_in_str                                     32      39      +7
parse_stream                                        2430    2422      -8
file_get                                             262     235     -27
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/2 up/down: 25/-35)            Total: -10 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-01-18 17:55:04 +01:00
Denys Vlasenko
98c46d10ee hush: fix "cmd & <newline>" problem 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-01-18 17:30:07 +01:00
Denys Vlasenko
b9f2d9f7d9 mass removal of underscores from _BB_DIR_foo and _BB_SUID_foo 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-01-18 13:58:01 +01:00
Denys Vlasenko
642e71a789 hush: fix wrong prompt problem on empty interactive commants 
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
 2011-01-07 15:16:05 +01:00
Denys Vlasenko
6088e138e1 init: simpler handling of leading dash in commands 
function                                             old     new   delta
init_exec                                            233     219     -14

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-12-25 23:58:42 +01:00
Denys Vlasenko
75eb9d20e9 hush: fix FEATURE_CLEAN_UP code (was freeing unallocated memory) 
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
 2010-12-21 21:18:12 +01:00
Denys Vlasenko
0d6a4ecb30 hush: fix build breakage (variable declared in for()) 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-12-18 01:34:49 +01:00
Denys Vlasenko
8da415ef25 add if guards around include <malloc.h> 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-12-05 01:30:14 +01:00
Denys Vlasenko
57542ebe4f hush: move G_x_mode define to the more appropriate place 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-11-28 03:59:30 +01:00
Dan Fandrich
85c62470b7 Support set -o xtrace/noexec alternates for set -x/-n 
Signed-off-by: Dan Fandrich <dan@coneharvesters.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-11-28 03:56:39 +01:00
Dan Fandrich
89ca2f99a2 hush: display useful help text 
Signed-off-by: Dan Fandrich <dan@coneharvesters.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-11-28 01:54:39 +01:00
Denys Vlasenko
26777aa1c6 fixes for bugs discovered by randomconfig builds and tests 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-11-22 23:49:10 +01:00
Denys Vlasenko
7b4c0fd5f4 hush: fix improper handling of newline and hash chars in few corner cases 
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
 2010-11-22 17:58:14 +01:00
Denys Vlasenko
6696eac274 hush: add support for "set -o pipefail" 
function                                             old     new   delta
checkjobs                                            467     517     +50
builtin_set                                          259     286     +27
o_opt_strings                                          -      10     +10
hush_main                                           1011    1013      +2
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 3/0 up/down: 89/0)               Total: 89 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-11-14 02:01:50 +01:00
Denys Vlasenko
c08c3f5d26 hush: preparatory patch for set -o pipefail support 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-11-14 01:59:55 +01:00
Denys Vlasenko
fb132e4737 whitespace cleanup 
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
 2010-10-29 11:46:52 +02:00
Denys Vlasenko
e4dcba1c10 *: whitespace fixes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-10-28 18:57:19 +02:00
Denys Vlasenko
cacb2cd281 *: whitespace fixes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-10-05 00:13:02 +02:00
Denys Vlasenko
e2069fb325 hush: remove "doesn't support brace expansion" from config help text 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-10-04 00:01:47 +02:00
Denys Vlasenko
bbecd74d5a hush: remove brace expansion from TODO list in comments. No code changes. 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-10-03 17:22:52 +02:00
Denys Vlasenko
957f79f471 hush: small code shrink 
function                                             old     new   delta
expand_on_ifs                                        231     222      -9

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-10-03 17:15:50 +02:00
Denys Vlasenko
2bcba5cc53 hush: add brace expansion testcase 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-10-03 17:07:57 +02:00