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642 Commits

Author SHA1 Message Date
Denis Vlasenko
e471275813 msh: style fixes 
shell/README - a place to record things about busybox shells
 2007-04-14 15:08:41 +00:00
Denis Vlasenko
5f9468e996 lineedit: nuke two unused variables and code which sets them 
applets: do not even try to read config if run by real root
msh: use named constants (O_RDONLY etc) in open() instead of magic numbers,
     other minor code size reduction.
 2007-04-14 13:22:09 +00:00
Denis Vlasenko
8a28e620ce lash: recognize and use NOFORK applets 
lash,hush: fix kill buglet (didn't properly recognize ESRCH)
 2007-04-14 11:16:29 +00:00
Denis Vlasenko
f5294e1f4c hush: use NOFORK applets as appropriate. Net reduction of code size. 2007-04-14 10:09:57 +00:00
Denis Vlasenko
16abcd90ae teach find_root_device to deal with /dev/ subdirs 
(by "Kirill K. Smirnov" <lich@math.spbu.ru>)
 2007-04-13 23:59:52 +00:00
Denis Vlasenko
fbf6dea5a2 hush: more style fixes. 2007-04-13 19:56:56 +00:00
Denis Vlasenko
f03dbeda90 hush: comment out and replace bug in set_local_var: 
-       if (value == 0 && ++value == 0) {
+       /*if (value == 0 && ++value == 0) ??? -vda */
+       if (value == NULL || value[1] == '\0') {

Style fixes.
 2007-04-13 19:55:50 +00:00
Denis Vlasenko
b636d8c18c shell/: add SUSv3 doc for fast & easy reference 2007-04-13 19:44:22 +00:00
Denis Vlasenko
b69f35effe lash: "forking" applets are actually can be treated the same way as "non-forked". 
Also save a bit of space on trailing NULL array elements.
 2007-04-12 17:10:45 +00:00
Denis Vlasenko
7cced6e574 fix realloc-of-non-malloced pointer, and reduce size while at it 2007-04-12 17:08:53 +00:00
Denis Vlasenko
831a20f512 pass a copy of argv[i] to NOFORK applets (they may permute it etc). 
set/save/restore more shared global variables whan call one applet from another
 2007-04-12 12:27:32 +00:00
Denis Vlasenko
51742f4bb0 style fixes. No code changes 2007-04-12 00:32:05 +00:00
Denis Vlasenko
50f7f446ec bb_full_fd_action: remove potential xmalloc from NOFORK path 
cat: stop using stdio.h opens
libbb: introduce & use open[3]_or_warn
function                                             old     new   delta
open3_or_warn                                          -      54     +54
bb_cat                                               115     144     +29
open_or_warn                                           -      25     +25
unlzma                                              2404    2412      +8
chattr_main                                          334     339      +5
xstrtoul_range_sfx                                   251     255      +4
telnet_main                                         1514    1510      -4
static.opt                                             4       -      -4
qgravechar                                           122     118      -4
fuser_add_pid                                         61      54      -7
fuser_add_inode                                      154     147      -7
writeFileToTarball                                  1542    1534      -8
refresh                                             1156    1148      -8
do_show                                              856     846     -10
read_leases                                          212     200     -12
setup_redirects                                      236     222     -14
iproute_list_or_flush                               1582    1568     -14
read_config                                          427     411     -16
write_leases                                         284     264     -20
hash_file                                            338     318     -20
copy_file                                           1760    1740     -20
do_iproute                                          2610    2588     -22
bb_full_fd_action                                    320     269     -51
open_to_or_warn                                      103      49     -54
fuser_main                                          1660    1596     -64
.rodata                                           131160  131096     -64
------------------------------------------------------------------------------
(add/remove: 2/1 grow/shrink: 4/19 up/down: 125/-423)        Total: -298 bytes
 2007-04-11 23:20:53 +00:00
Denis Vlasenko
d7c8196c1b ash: fix kill -l (by Mats Erik Andersson <mats.andersson64@comhem.se>) 2007-04-11 20:43:31 +00:00
Denis Vlasenko
6398cf477d style fixes, no code changes. 2007-04-11 17:04:29 +00:00
Denis Vlasenko
e4f2d064b0 rename: run_applet_by_name -> run_applet_and_exit 2007-04-11 17:03:19 +00:00
Denis Vlasenko
80d14beae9 Rename two config options: 
FEATURE_SH_STANDALONE_SHELL => FEATURE_SH_STANDALONE
FEATURE_EXEC_PREFER_APPLETS => FEATURE_PREFER_APPLETS
Make SH_STANDALONE depend on PREFER_APPLETS.
getopt.c: more randomconfig-induced fixes
 2007-04-10 23:03:30 +00:00
Denis Vlasenko
335b63d8d1 make a few struct bb_applet members conditional 
rename sllep_and_die -> xfunc_die
make fflush_stdout_and_exit NOFORK-safe
fix some buglets found by randomconfig
 2007-04-10 21:38:30 +00:00
Denis Vlasenko
ff131b980d style fixes. No code changes. 2007-04-10 15:42:06 +00:00
Bernhard Reutner-Fischer
de17ece1db - use skip_non_whitespace() where appropriate 2007-04-10 09:38:35 +00:00
Denis Vlasenko
c44ab01b75 Improve STANDALONE_SHELL. "safe" applets are renamed NOEXEC applets 
and now this fact is recorded in applets.h, not ash.c.

Several fixes to "--help + STANDALONE_SHELL" scenarios.

function                                             old     new   delta
run_current_applet_and_exit                            -     355    +355
arith                                               2064    2073      +9
refresh                                             1148    1156      +8
getopt32                                            1068    1073      +5
telnet_main                                         1510    1514      +4
md5_sha1_sum_main                                    565     566      +1
xstrtoul_range_sfx                                   255     251      -4
packed_usage                                       22523   22514      -9
tryexec                                              255     203     -52
static.safe_applets                                  152       -    -152
.rodata                                           131320  131128    -192
run_applet_by_name                                   869     506    -363
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 5/5 up/down: 382/-772)         Total: -390 bytes

./busybox ash -c 'i=20000; while test $i != 0; do touch z; i=$((i-1)); done'
runs more than twice as fast with STANDALONE_SHELL versus without.
 2007-04-09 03:11:58 +00:00
Denis Vlasenko
95cb3263ae msh: smallish code shrinkage; cosmetics 2007-04-09 03:06:34 +00:00
Denis Vlasenko
240a1cfbbe add some missed statics on constant objects. 
fix few #ifndef ENABLE_xxx

# size busybox_old busybox_unstripped
   text    data     bss     dec     hex filename
 677152    2920   18208  698280   aa7a8 busybox_old
 676420    2920   18208  697548   aa4cc busybox_unstripped
 2007-04-08 16:07:02 +00:00
Bernhard Reutner-Fischer
febe3c4211 - sed -e "s/char[[:space:]]*\*[[:space:]]*argv\[\]/char **argv/g" 2007-04-04 20:52:03 +00:00
Denis Vlasenko
f443bffd3c lash: make -c work; crush buffer overrun and free of non-malloced ptr 
(from Mats Erik Andersson <mats.andersson64@comhem.se>)
 2007-03-31 11:08:50 +00:00
Denis Vlasenko
6fa8b8e17f lash: style cleanup 2007-03-31 11:07:30 +00:00
Denis Vlasenko
10457b90db make pidfile writing configurable. 
[ui]toa_to_buf: change API. No users yet.
 2007-03-27 22:01:31 +00:00
Denis Vlasenko
55f30b05ac inetd,ed,msh: data/bss reduction (in mss, more than 9k of it) 2007-03-24 22:42:29 +00:00
Denis Vlasenko
219d14d514 random style fixes (extra spaces deleted) 2007-03-24 15:40:16 +00:00
Denis Vlasenko
5b27fbe990 dc: use common_bufsiz1 for evaluation stack 
msh: fix "underscore bug" (a_b=1111 didn't work)
dnsd: openlog(), so that applet's name is logged
 2007-03-24 14:06:51 +00:00
Denis Vlasenko
7c139b4778 ash: fix signal handling 2007-03-21 20:17:27 +00:00
Denis Vlasenko
c86e052b81 fix accumulated whitespace and indentation damage 2007-03-20 11:30:28 +00:00
Denis Vlasenko
93ebd4f58d ash: popstackmark is reported trying to pop until NULL 
is seen (which isn't possible), prevent this.
 2007-03-13 20:55:36 +00:00
Mike Frysinger
67a32adbca add STANDALONE support 2007-03-09 08:25:24 +00:00
Denis Vlasenko
8e858e2700 clean up accumulated whitespace damage 2007-03-07 09:35:43 +00:00
Denis Vlasenko
9431e564aa ash: "here document" testcases 2007-03-05 21:08:29 +00:00
Denis Vlasenko
140644dc1c add ash testcases 2007-03-05 20:46:46 +00:00
Denis Vlasenko
1c660b4bd2 small ash testsuite, adapted from bash 
(only a small part of it, actually)
 2007-03-05 00:27:50 +00:00
Denis Vlasenko
3af3e5b4b0 ash: cosmetic improvements in error messages 2007-03-05 00:24:52 +00:00
Denis Vlasenko
29e31ddd81 ash: do not use "safe applets" in non-standalone shell 2007-03-03 23:12:17 +00:00
Denis Vlasenko
4222ae440a ash: replace xstrdup (shell shall not die) 
grep: fix mis-indented block
 2007-02-25 02:37:49 +00:00
Denis Vlasenko
5276402f2c ash: fix compile problems 2007-02-24 13:42:56 +00:00
Denis Vlasenko
f98dc4db7a ash: cleanup part 2.8 2007-02-23 21:11:02 +00:00
Denis Vlasenko
0dec6de38b ash: cleanup part 2.7 2007-02-23 21:10:47 +00:00
Denis Vlasenko
cc5715184b ash: cleanup part 2.6 2007-02-23 21:10:35 +00:00
Denis Vlasenko
2de3d9fbee ash: cleanup part 2.5 2007-02-23 21:10:23 +00:00
Denis Vlasenko
a89150733a ash: cleanup part 2.4 2007-02-23 21:10:06 +00:00
Denis Vlasenko
99eb8500c9 ash: cleanup part 2.3 2007-02-23 21:09:49 +00:00
Denis Vlasenko
fc06f2968b ash: cleanup part 2.2 2007-02-23 21:09:35 +00:00
Denis Vlasenko
5651bfc204 ash: starting second round of cleanups. #1 2007-02-23 21:08:58 +00:00