Commit Graph

997 Commits

Author SHA1 Message Date
Denis Vlasenko
9cd4c76b50 ash: fix "shift BIGNUM" and "read with no variable name" bugs.
omg. hush testsuite helps to find bugs in ash! what next?

function                                             old     new   delta
static.arg_REPLY                                       -       8      +8
readcmd                                             1023    1021      -2
shiftcmd                                             129     125      -4
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/2 up/down: 8/-6)                Total: 2 bytes
2008-06-18 19:22:19 +00:00
Denis Vlasenko
1ba323e5b6 cosmetics in hush testsuites 2008-06-18 17:53:57 +00:00
Denis Vlasenko
324a3fdf87 fix globbing in unquoted $* and $@ 2008-06-18 17:49:58 +00:00
Denis Vlasenko
55789c6646 hush: fix a bug with backslashes improperly handled in unquoted variables.
with previous patch:

function                                             old     new   delta
parse_stream                                        1638    1758    +120
expand_on_ifs                                         97     174     +77
free_pipe                                            206     237     +31
setup_redirect                                       217     220      +3
setup_redirects                                      143     144      +1
done_word                                            698     688     -10
free_strings                                          38       -     -38
expand_variables                                    1451    1403     -48
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 5/2 up/down: 232/-96)           Total: 136 bytes
2008-06-18 16:30:42 +00:00
Denis Vlasenko
ab876cd107 hush: add testsuite for "no globbing in redirection" rule.
simplify redirection habdling
2008-06-18 16:29:32 +00:00
Denis Vlasenko
985de15bf3 hush: expand quote3.tests and move from hush-bugs to hush-parsing 2008-06-18 09:22:31 +00:00
Denis Vlasenko
c1c63b622d hush: fix last hush-bugs testcase (disappearing "", $empty"" etc) 2008-06-18 09:20:35 +00:00
Denis Vlasenko
16c2fea280 hush: fix $$ handling 2008-06-17 12:28:44 +00:00
Denis Vlasenko
6eaf8deddd hush: fix "for a in; do echo 'I should never run'; done" bug 2008-06-17 12:09:21 +00:00
Denis Vlasenko
988339259f move glob_and_assign.tests from hush-bugs to hush-glob 2008-06-17 07:26:52 +00:00
Denis Vlasenko
30c9cc5b17 hush: continue fixing quoting and subst: fix glob_and_assign.tests. 2008-06-17 07:24:29 +00:00
Denis Vlasenko
c7985b76c5 hush: cleanup pass, the biggest is - moved builtins to the end of the file,
they really annoy in the middle of parser code. no real code changes.
2008-06-17 05:43:38 +00:00
Denis Vlasenko
b61e13d247 hush: fix memory leak. it was actually rather invloved problem.
Now finally glob/variable expansion is done IN THE RIGHT ORDER!
It opens up a possibility to cleanly fix remaining known bugs.

function                                             old     new   delta
o_save_ptr                                           115     286    +171
o_save_ptr_helper                                      -     115    +115
done_word                                            591     690     +99
o_get_last_ptr                                         -      31     +31
expand_on_ifs                                        125      97     -28
add_string_to_strings                                 28       -     -28
run_list                                            1895    1862     -33
debug_print_strings                                   42       -     -42
add_strings_to_strings                               126       -    -126
expand_variables                                    1550    1394    -156
o_debug_list                                         168       -    -168
expand_strvec_to_strvec                              388      10    -378
------------------------------------------------------------------------------
(add/remove: 2/4 grow/shrink: 2/4 up/down: 416/-959)         Total: -543 bytes
2008-06-17 05:11:43 +00:00
Denis Vlasenko
ccce59d562 hush: fixing fallout from last big glob fix:
fix segfault; identify where we leak memory

function                                             old     new   delta
expand_strvec_to_strvec                              353     336     -17
2008-06-16 14:35:57 +00:00
Denis Vlasenko
32d8423e63 hush: delete hush-bugs/glob_and_vars.tests for real 2008-06-16 12:53:33 +00:00
Denis Vlasenko
82dfec3e4e hush: fix hush-bugs/glob_and_vars.tests testcase:
globbing is now done _after_ variable/`cmd` substitution

function                                             old     new   delta
expand_strvec_to_strvec                                7     353    +346
expand_variables                                    1348    1383     +35
add_string_to_strings                                  -      28     +28
globhack                                             114       -    -114
done_word                                            778     579    -199
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 2/1 up/down: 409/-313)           Total: 96 bytes
2008-06-16 12:47:11 +00:00
Denis Vlasenko
5703c22a51 hush: eliminate PARSEFLAG_SEMICOLON and ctx->parse_type field.
function                                             old     new   delta
parse_and_run_file                                    30      27      -3
hush_main                                            795     792      -3
initialize_context                                    45      39      -6
done_word                                            791     778     -13
parse_and_run_stream                                 375     338     -37
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/5 up/down: 0/-62)             Total: -62 bytes
2008-06-15 11:49:42 +00:00
Denis Vlasenko
f8d01d3f66 hush: fix a bug where we were requiring semicolon here: (cmd;)
also fix a bug where after error prompt is not shown.

function                                             old     new   delta
parse_stream                                        1612    1638     +26
parse_and_run_stream                                 361     375     +14
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/0 up/down: 40/0)               Total: 40 bytes
2008-06-14 17:13:20 +00:00
Denis Vlasenko
dd316dd283 hush: add support for ':'; create testsuite entries
text    data     bss     dec     hex filename
 809569     612    7044  817225   c7849 busybox_old
 809528     612    7044  817184   c7820 busybox_unstripped
2008-06-14 15:50:55 +00:00
Denis Vlasenko
a84420062a hush: support "! cmd | cmd" negation
function                                             old     new   delta
done_word                                            749     791     +42
run_list                                            1821    1859     +38
checkjobs                                            334     351     +17
done_pipe                                             61      74     +13
static.reserved_list                                 132     144     +12
initialize_context                                    53      45      -8
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 5/1 up/down: 122/-8)            Total: 114 bytes
2008-06-14 11:00:17 +00:00
Denis Vlasenko
29038c06d6 ash: small cosmetic change 2008-06-14 06:14:02 +00:00
Denis Vlasenko
2659c63213 ash: fix ${var/s/r} handling, add testcase. 2008-06-14 06:04:59 +00:00
Denis Vlasenko
7e3d33b6ce hush: speed up o_addX{chr,str}
function                                             old     new   delta
o_addQstr                                              -     162    +162
o_addQchr                                              -      89     +89
o_addstr                                               -      58     +58
o_addqchr                                             50      81     +31
expand_on_ifs                                        103      97      -6
add_till_backquote                                    92      82     -10
expand_variables                                    1281    1217     -64
parse_stream                                        1675    1609     -66
o_addqstr                                            155       -    -155
------------------------------------------------------------------------------
(add/remove: 3/1 grow/shrink: 1/4 up/down: 340/-301)           Total: 39 bytes
   text    data     bss     dec     hex filename
 759870     604    6684  767158   bb4b6 busybox_old
 759909     604    6684  767197   bb4dd busybox_unstripped
2008-06-12 13:31:04 +00:00
Denis Vlasenko
76db5adbf7 hush: fix for nested $()s with escapes + testsuite 2008-06-12 12:58:20 +00:00
Denis Vlasenko
87f40bac14 hush: more backtick and quoting fixes... 2008-06-10 22:39:37 +00:00
Denis Vlasenko
43360e5178 hush: fix escaping of \[*?; add testsuites for these and for globbing 2008-06-10 20:13:40 +00:00
Denis Vlasenko
2e76c3f901 hush: fix yet another fallout
hush: move fixed testsuites out of hush-bugs/*
2008-06-10 18:27:50 +00:00
Denis Vlasenko
895bea2303 hush: fix some fallout from prev commits, add testsuite 2008-06-10 18:06:24 +00:00
Denis Vlasenko
46ccdcb96e hush: search/and/replace style cleanups, no code changes 2008-06-10 18:05:12 +00:00
Denis Vlasenko
7b4f3f13d3 hush: fix two nasty bugs:
hush-bugs/tick2.tests: ok
hush-bugs/tick.tests: ok

function                                             old     new   delta
parse_stream                                        1332    1557    +225
b_addptr                                               -      97     +97
add_till_backquote                                     -      82     +82
b_addstr                                               -      58     +58
b_grow_by                                              -      50     +50
setup_string_in_str                                    -      29     +29
expand_variables                                    1196    1199      +3
expand_on_ifs                                        100      97      -3
b_addqchr                                             57      50      -7
parse_and_run_string                                  48      31     -17
lookup_param                                          27       -     -27
b_addchr                                              75      45     -30
count_ifs                                             44       -     -44
process_command_subs                                 222       -    -222
------------------------------------------------------------------------------
(add/remove: 5/3 grow/shrink: 2/4 up/down: 544/-350)          Total: 194 bytes
   text    data     bss     dec     hex filename
 759354     604    6684  766642   bb2b2 busybox_old
 759534     604    6684  766822   bb366 busybox_unstripped
2008-06-10 18:04:32 +00:00
Denis Vlasenko
76d50418b3 hush: fix a memory leak in NOMMU case 2008-06-10 16:19:39 +00:00
Denis Vlasenko
3fe4f986a0 less: fix a case when regexp matches ""
hush: remove wrong comment, expand another one
2008-06-09 16:02:39 +00:00
Mike Frysinger
98a6f56d49 reword the error msg so people realize that they broke it, they buy it 2008-06-09 09:38:45 +00:00
Denis Vlasenko
598bb732e8 cosmetics 2008-06-09 07:58:53 +00:00
Denis Vlasenko
2d0529c9bc msh_function.patch: picked it up in the wild.
Fixed allocation bugs (it was allocating
one too small vectors) but it still is very buggy,
thus not applied.
2008-06-09 07:50:25 +00:00
Denis Vlasenko
ed9d621cf4 msh: style cleanups. No code changes. 2008-06-09 07:44:19 +00:00
Denis Vlasenko
b8c9354114 hush: add yet another bug to testsuite :( 2008-06-08 16:47:09 +00:00
Denis Vlasenko
66d56c565e ash testsuite: modify it so that it can run hush and msh tests 2008-06-05 09:07:02 +00:00
Denis Vlasenko
cd2663f15e ash: optional printf builtin. +25 bytes if off, +35 if on.
by Cristian Ionescu-Idbohrn.
2008-06-01 22:36:39 +00:00
Denis Vlasenko
d78920675f msh: fix ENOENT testcase 2008-06-01 14:16:54 +00:00
Denis Vlasenko
447bd66837 msh: fix the case where the file has exec bit but can't be run directly
(run "$SHELL $file" instead)
msh: fix exit codes when command is not found or can't be execed
     (with testcases)
2008-05-30 22:28:32 +00:00
Denis Vlasenko
4830fc565a hush: make it ignore SIGINT etc in a config wich has no job control 2008-05-25 21:50:55 +00:00
Bernhard Reutner-Fischer
5e25ddb7d3 - use STD*_FILENO some more. No object-code changes 2008-05-19 09:48:17 +00:00
Bernhard Reutner-Fischer
636a1f85e8 - use EXIT_{SUCCESS,FAILURE}. No object-code changes 2008-05-19 09:29:47 +00:00
Denis Vlasenko
29eb3599e4 ash: more of -Wall fixes 2008-05-18 14:06:08 +00:00
Denis Vlasenko
6b06cb80be more of -Wall fixes from Cristian Ionescu-Idbohrn.
Some are fixing real bugs.

function                                             old     new   delta
syslogd_main                                         938     958     +20
get_signum                                           136     143      +7
obj_load                                             777     782      +5
recv_from_to                                         210     214      +4
get_next_block                                      1795    1799      +4
display_topmem_process_list                         1117    1121      +4
logread_main                                         484     487      +3
buffer_fill_and_print                                 73      76      +3
kill_main                                            687     689      +2
ll_remember_index                                    240     241      +1
do_stats                                             452     453      +1
if_readconf                                          166     165      -1
display_process_list                                1192    1191      -1
run_applet_and_exit                                  507     505      -2
print_signames                                        33      31      -2
parse_one_line                                      1092    1090      -2
find_out_spec                                         57      55      -2
add_ksymoops_symbols                                 421     419      -2
ash_main                                            1407    1402      -5
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 11/8 up/down: 54/-17)            Total: 37 bytes
2008-05-15 21:30:45 +00:00
Mike Frysinger
b81f97bbd2 fix by Jie Zhang for exit status and POSIX compliance:
http://www.opengroup.org/onlinepubs/009695399/utilities/xcu_chap02.html
The exit status of a command that terminated because it received a signal shall be reported as greater than 128.
2008-05-14 11:51:04 +00:00
Denis Vlasenko
dddfaff363 ash: make set -o and set +o work as in dash/bash.
by Cristian Ionescu-Idbohrn.

function                                             old     new   delta
options                                              565     625     +60
getoptscmd                                           709     698     -11
2008-05-06 15:30:27 +00:00
Denis Vlasenko
bc1918a7a2 trivial fixes to make bbox compile with gcc 4.3.0 2008-04-15 01:17:50 +00:00
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
6d1ebecf65 ash: add another testsuite entry ("leaking variables" bug) 2008-04-13 17:45:56 +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
f78a656f7c ash: a bit more complete POSIX subst testsuite entry 2008-04-12 23:02:43 +00:00
Denis Vlasenko
033424a213 ash: add testsuite entry for POSIX-mandated ${var#word} ${var##word}
${var%word} ${var%%word}
2008-04-12 22:55:33 +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
93b8263652 fix build with gcc -combine 2008-04-11 11:27:29 +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
c693840fe8 *: whitespace fixes, no code changes 2008-03-24 02:18:03 +00:00
Denis Vlasenko
42cc304e90 lpr: add more accurate comments
*: trailing whitespace removal
2008-03-24 02:05:58 +00:00
Denis Vlasenko
0b6c6a9c9f lpd: fix OOM vulnerability (was eating arbitrarily large commands) 2008-03-24 00:04:42 +00:00
Denis Vlasenko
c93b162248 patch: shrink by Pascal Bellard <pascal.bellard AT ads-lu.com> (-80 bytes)
*: removal of #include <getopt.h>
2008-03-23 22:55:25 +00:00
Denis Vlasenko
f90ab183d6 *: use fopen_or_warn in few more places 2008-03-20 21:19:35 +00:00
Denis Vlasenko
62a90cdd74 *: shrink by using [f]open_or_warn_stdin where appropriate
function                                             old     new   delta
lsattr_main                                           62     143     +81
open_or_warn_stdin                                     -      36     +36
fclose_if_not_stdin                                   20      47     +27
xfopen_stdin                                           -      20     +20
tac_main                                             336     356     +20
cksum_main                                           249     259     +10
bb_argv_dash                                           -       8      +8
su_main                                              448     455      +7
cmp_main                                             630     633      +3
passwd_main                                         1072    1074      +2
uudecode_main                                        317     315      -2
text_yank                                            110     108      -2
handle_incoming_and_exit                            2653    2651      -2
flags                                                  5       1      -4
write_leases                                         235     230      -5
fopen_or_warn_stdin                                   48      42      -6
fold_main                                            648     642      -6
static.argv_dash                                       8       -      -8
sum_main                                             142     128     -14
tail_main                                           1237    1221     -16
sed_main                                             711     695     -16
cmp_xfopen_input                                      17       -     -17
bb_cat                                               113      96     -17
catv_main                                            328     306     -22
strings_main                                         457     434     -23
hash_file                                            298     274     -24
sum_file                                             353     325     -28
sort_main                                            904     859     -45
expand_main                                          736     686     -50
cut_main                                            1116    1065     -51
md5_sha1_sum_main                                    549     493     -56
lsattr_args                                           90       -     -90
read_stduu                                           408     255    -153
------------------------------------------------------------------------------
(add/remove: 3/3 grow/shrink: 7/20 up/down: 214/-657)        Total: -443 bytes
   text    data     bss     dec     hex filename
 797417     658    7428  805503   c4a7f busybox_old
 796973     658    7428  805059   c48c3 busybox_unstripped
2008-03-17 09:07:36 +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
a43dba76ea msh: create testsuite (based on hush one)
hush: add TODO (doesn't know ":" command)
2008-03-02 19:57:53 +00:00
Denis Vlasenko
4aafd5f4e3 msh: a few fields renamed; short->int conversion for a field
holding file descriptors; short->smalling for flag field

synio                                                263     264      +1
readc                                                247     242      -5
forkexec                                            1339    1307     -32
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/2 up/down: 1/-37)             Total: -36 bytes
2008-03-02 14:33:26 +00:00
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
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
c3c6659f12 hush: fix segfault in "echo $@" when we have no arguments 2007-11-24 00:22:42 +00:00
Denis Vlasenko
96702ca945 kill lash. "lash" builtin still exists, but it runs hush. 2007-11-23 23:28:55 +00:00
Denis Vlasenko
5bc593ccb8 hush: implement echo builtin
builtin_echo                                           -      36     +36
bltins                                               384     396     +12
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 1/0 up/down: 48/0)               Total: 48 bytes
2007-11-23 21:20:21 +00:00
Denis Vlasenko
cccdc4e01a hush: fix $ expansion in redirections, add testcase for that 2007-11-23 21:08:38 +00:00
Denis Vlasenko
835068637e hush: implement test builtin 2007-11-23 13:11:42 +00:00
Denis Vlasenko
f962a0354e hush: plug memory leak 2007-11-23 12:50:54 +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
a6899c3587 lash: fix compile-time warning 2007-11-15 17:47:45 +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
0c97c9d437 'simple' error message functions by Loic Grenie <loic.grenie@gmail.com>.
263 bytes saved.
2007-10-01 11:58:38 +00:00
Denis Vlasenko
d65ea39ffc hush: fix glob() abuse. Code was making unfounded assumptions how
glob() works, and it broke horribly on specific uclibc config.
2007-10-01 10:02:25 +00:00
Denis Vlasenko
ff0976248a hush: int->smallint for flag vars; make some names more "greppable" 2007-10-01 10:00:45 +00:00
Denis Vlasenko
8412d7959a hush: feeble attempt at making it more NOMMU-friendly 2007-10-01 09:59:47 +00:00
Denis Vlasenko
a0898170d8 hush: stop doing manual acounting of open fd's, kernel can do it for us 2007-10-01 09:59:01 +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
4daad9004d introduce bb_putchar(). saves ~1800 on uclibc (less on glibc). 2007-09-27 10:20:47 +00:00
Denis Vlasenko
46a530626d ash: fix prompt expansion (Natanael Copa <natanael.copa@gmail.com>) 2007-09-24 18:30:02 +00:00