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1656 Commits

Author SHA1 Message Date
Denys Vlasenko
c76236fd7d ash: fix a SEGV in ${#1} 
function                                             old     new   delta
varvalue                                             760     805     +45
evalvar                                              648     603     -45

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2014-12-29 00:04:18 +01:00
Denys Vlasenko
f5add44981 typo fix in comment 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2014-11-20 01:43:30 +01:00
Denys Vlasenko
8a475def9e ash,hush: do not segfault on $((2**63 / -1)) 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2014-11-18 14:32:58 +01:00
Denys Vlasenko
08a5dab181 ash: fix handling of negative start value in ${v:start:len} 
function                                             old     new   delta
subevalvar                                          1140    1168     +28

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2014-11-17 20:27:18 +01:00
Denys Vlasenko
07f7ea70ed ash: fix off-by-one in "jobs %4" handling. closes 7310 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2014-09-08 17:21:52 +02:00
Denys Vlasenko
2ec34969e7 ash: factor out ASH_HELP config option 
It used to be aliased to !FEATURE_SH_EXTRA_QUIET for ash,
while hush had it separate from FEATURE_SH_EXTRA_QUIET.

Bring ash in line with hush.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2014-09-08 16:52:39 +02:00
Denys Vlasenko
e9ab07c211 ash: make ${#var} unicode-aware 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2014-08-13 18:00:08 +02:00
Denys Vlasenko
841f8331d7 ash,hush: run reinit_unicode() only if makes sense 
With static Unicode support, no need to check $LANG et al.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2014-08-13 10:09:49 +02:00
Denys Vlasenko
c538d5bcc3 hush: make ${#var} unicode-aware 
This mimics bash

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2014-08-13 09:57:44 +02:00
Bartosz Golaszewski
5d2e409ef8 libbb: use a wrapper around sysconf(_SC_CLK_TCK) to save a few bytes 
function                                             old     new   delta
bb_sc_clk_tck                                          -      10     +10
timescmd                                             118     113      -5
print_route                                         1763    1758      -5
mpstat_main                                         1288    1283      -5
iostat_main                                         1947    1942      -5
INET_setroute                                        879     871      -8
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/5 up/down: 10/-28)            Total: -18 bytes
Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2014-06-22 14:01:13 +02:00
Denys Vlasenko
3fa97af7cc ash,hush: set $HOSTNAME is bash compat. Closes 7028 
function                                             old     new   delta
hush_main                                           1056    1128     +72
ash_main                                            1442    1487     +45

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2014-04-15 11:43:29 +02:00
Denys Vlasenko
109ee5d336 ash: make "locak VAR" unset VAR (bash does that) 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2014-03-16 18:41:11 +01:00
Denys Vlasenko
ac03a40cba ash,hush: fix a thinko about 2^64-1 factorization 
function                                             old     new   delta
next_random                                          113     119      +6

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2014-03-15 09:25:46 +01:00
Denys Vlasenko
2bba591991 hush: make "true" built-in 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2014-03-14 12:43:57 +01:00
Denys Vlasenko
f93187512d random: cosmetic tweaks in debug code 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2014-03-13 13:03:27 +01:00
Denys Vlasenko
fb183076a3 ash,hush: improve randomness of $RANDOM, add easy-ish way to test it 
function                                             old     new   delta
next_random                                           68     113     +45
change_random                                        103     121     +18

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2014-03-13 12:52:43 +01:00
Denys Vlasenko
5680e98451 ash: in bash compat mode, always export $SHLVL 
function                                             old     new   delta
ash_main                                            1437    1442      +5

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2014-01-07 16:12:48 +01:00
Denys Vlasenko
8bd810bd27 hush: typo fixes in comments 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-11-28 01:50:01 +01:00
Bernhard Reutner-Fischer
80f8cdf04a ash: Set SHLVL in ASH_BASH_COMPAT 
function                                             old     new   delta
ash_main                                            1456    1505     +49
.rodata                                           148488  148494      +6
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/0 up/down: 55/0)               Total: 55 bytes

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
 2013-11-08 14:30:20 +01:00
Bernhard Reutner-Fischer
200c1c46f4 ash: Use setvar2 some more 
(add/remove: 0/0 grow/shrink: 10/15 up/down: 13/-27)          Total: -14 bytes

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
 2013-11-08 14:12:13 +01:00
Denys Vlasenko
25ce3ee9f3 typo fix in comment 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-07-14 01:23:06 +02:00
Denys Vlasenko
e95738f635 typo fix in comment 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-07-08 03:13:08 +02:00
Denys Vlasenko
2301d127a2 unicode: check $LC_CTYPE too to detect Unicode mode 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-07-05 22:00:57 +02:00
Denys Vlasenko
3e7ecb179b unicode: check $LC_ALL to detect Unicode mode, not only $LANG 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-07-02 17:30:23 +02:00
Denys Vlasenko
ff463a885d hush: fix build failure if FEATURE_EDITING=y && !HUSH_INTERACTIVE 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-05-12 02:45:23 +02:00
Flemming Madsen
d96ffda62e ash,hush: history builtin 
function                                             old     new   delta
show_history                                           -      39     +39
builtin_history                                        -      16     +16
historycmd                                             -      13     +13
bltins1                                              312     324     +12
builtintab                                           336     344      +8
popstring                                            134     140      +6
hush_main                                           1048    1046      -2
ash_main                                            1398    1396      -2
size_from_HISTFILESIZE                                44      40      -4
------------------------------------------------------------------------------
(add/remove: 3/0 grow/shrink: 3/3 up/down: 94/-8)              Total: 86 bytes

Signed-off-by: Flemming Madsen <busybox@themadsens.dk>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-04-07 18:47:24 +02:00
Denys Vlasenko
3beab83e4f hush: fix for "while false && true; do echo BUG; break; done". closes 6170 
function                                             old     new   delta
run_list                                             959     941     -18

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-04-07 18:16:58 +02:00
Denys Vlasenko
091f831424 ash: add comment about failures in source builtin. No code changes. 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-03-17 14:25:22 +01:00
Denys Vlasenko
88b532d59a hush: source builtin should override $N only if it has args 
function                                             old     new   delta
builtin_source                                       174     184     +10

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-03-17 14:11:04 +01:00
Stefan Hellermann
4ef1439c59 ash: read $HOME/.profile instead of $(pwd)/.profile 
ash --login should read ~/.profile instead of .profile in the current
directory. I noticed it while trying to figure out why /root/.profile
is only read sometimes.

function                                             old     new   delta
ash_main                                            1374    1398     +24

Signed-off-by: Stefan Hellermann <stefan@the2masters.de>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-03-15 02:45:50 +01:00
Stefan Hellermann
aeb717aa5e ash: move code to allow setting $HOME in /etc/profile 
move HISTFILE=$HOME/.ash_history below reading /etc/profile,
so that /etc/profile can set $HOME. HOME can be unset when
directly invoking ash --login from init without going through
getty.

Signed-off-by: Stefan Hellermann <stefan@the2masters.de>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-03-15 02:37:51 +01:00
Denys Vlasenko
1961aea305 move endofname() to libbb 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-02-26 00:36:53 +01:00
Denys Vlasenko
7c4b13e019 ash: revert wrong "fix" for an apparent memory leak. Closes 5822 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-01-17 13:02:27 +01:00
Denys Vlasenko
6830ade6aa whitespace fixes. no code changes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-01-15 13:58:01 +01:00
Denys Vlasenko
60cb48ca50 whitespace cleanup. no code changes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-01-14 15:57:44 +01:00
Jon Tollefson
4ba6c5d3ba ash: fix a memory leak 
The script which triggers the leak:

while true
  do
    while true
      do
        break;
    done</dev/null
done

Signed-off-by: Jon Tollefson <kniht@linux.vnet.ibm.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2012-11-13 19:26:53 +01:00
Denys Vlasenko
d527588882 ash: implement export -n 
function                                             old     new   delta
exportcmd                                            129     175     +46

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2012-10-01 13:41:17 +02:00
Denys Vlasenko
0b4980c252 ash: trivial fixes for compile failures 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2012-09-25 12:49:29 +02:00
Denys Vlasenko
9e71e3cea5 ash: fix "read -s" + ^C. Closes 5504 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2012-09-06 13:28:10 +02:00
Michael Tokarev
32f774cd34 *: declare strings with ALIGN1, as appropriate 
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2012-07-24 15:56:37 +02:00
Denys Vlasenko
566a313a7f ash: add a comment about VEXPORT 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2012-07-07 21:40:35 +02:00
Mike Frysinger
c5fe9f7b72 include sys/resource.h where needed 
We use functions from sys/resource.h in misc applets, but don't include
the header.  This breaks building with newer glibc versions, so add the
include where needed.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
 2012-07-05 23:19:09 -04:00
Denys Vlasenko
f451b2cfe0 ash: fix a bug in >${varexp} handling. Closes 5282 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2012-06-09 02:06:57 +02:00
Denys Vlasenko
9d75370238 hush: remove sighandler_t definition hack, platform.h has it too 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2012-04-26 10:59:01 +02:00
Denys Vlasenko
8cab66730a fix build breakage found by randconfig 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2012-04-20 14:48:00 +02:00
Denys Vlasenko
0d6bbb0497 hush: remove unused member struct command::is_stopped 
function                                             old     new   delta
builtin_umask                                        133     132      -1
checkjobs                                            551     544      -7
builtin_fg_bg                                        291     267     -24

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2012-03-27 14:32:48 +02:00
Aaro Koskinen
6e9d047c15 cttyhack: handle multiple consoles found in sysfs 
If multiple consoles are found from the sysfs file, cttyhack fails:

cttyhack: can't open '/dev/tty0 ttyS0': No such file or directory

In such cases take the last one as the kernel will use that one for
/dev/console.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2012-02-04 21:55:01 +01:00
Denys Vlasenko
7ce209b9d4 shell_builtin_read: set cc[VMIN] to 1; lineedit: don't clear c_cc[VINTR] 
First change fixes "read -n NUM". Apparently poll() won't report
data availability if cc[VMIN] > 1 until there are at least cc[VMIN] bytes.

function                                             old     new   delta
read_line_input                                     3885    3877      -8
shell_builtin_read                                  1097    1087     -10
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-18)             Total: -18 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2012-01-15 22:58:06 +01:00
Denys Vlasenko
83f103b30e ash: in standalone mode, search in $PATH if /proc/self/exe doesn't exist 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-12-20 06:10:35 +01:00
Denys Vlasenko
cda6ea905d ash: document bash's exit code too. No code changes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-12-16 00:44:36 +01:00