Denis Vlasenko
c373527e4f
hush: preparatory work for implementing functions
2008-10-09 12:58:26 +00:00
Denis Vlasenko
9af22c7626
hush: massive renaming of ill-named structures and fields
...
hush: error out on constructs like:
$ abc(def) - was working as if it was (abcdef)
$ case b in abc(a|(b) echo YES; esac - was ignoring 'abc' and extra '('
2008-10-09 12:54:58 +00:00
Bernhard Reutner-Fischer
864329d674
- fix compilation on OSF/1
2008-09-25 10:55:05 +00:00
Denis Vlasenko
2b576b8e76
hush: fix mishandling of a'b'c=fff as assignments. They are not.
...
function old new delta
parse_stream 1920 2004 +84
done_word 715 752 +37
parse_and_run_stream 328 333 +5
builtin_exec 25 29 +4
pseudo_exec_argv 138 139 +1
run_list 2006 1999 -7
is_assignment 215 134 -81
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 5/2 up/down: 131/-88) Total: 43 bytes
2008-08-04 00:46:07 +00:00
Denis Vlasenko
c8bec9a085
hush: remove a comment about already fixed bug
2008-08-03 22:27:50 +00:00
Denis Vlasenko
d498131168
hush: support $_NUMBERS variable names
2008-07-31 10:34:48 +00:00
Denis Vlasenko
f173607520
hush: fix "case ... in <newline> word)..."
2008-07-31 10:09:26 +00:00
Denis Vlasenko
fbeeb328b8
hush: support "pattern1|pattern2...)" in case statements
...
parse_stream 1847 1861 +14
run_list 1995 2006 +11
2008-07-31 00:17:01 +00:00
Denis Vlasenko
4f504a9e57
hush: trivial code shrink
...
function old new delta
builtin_continue 48 22 -26
2008-07-29 19:48:30 +00:00
Denis Vlasenko
87a8655f46
hush: use G.xxx instead of #define xxx G.xxx. We have too many globals
...
there and #defines get messy. Remove one write-only G.variable.
2008-07-29 19:43:10 +00:00
Denis Vlasenko
ff29b4fc42
randomconfig fix
2008-07-29 13:57:59 +00:00
Denis Vlasenko
4554b721ad
hush: small fix for repeated continue and fix for wrong loop depth count
...
after Ctrl-C; with testcase for first one
2008-07-29 13:36:09 +00:00
Denis Vlasenko
45cb9f9581
hush: fix inverted check (was making all break's to act as "break 99999")
2008-07-29 11:47:46 +00:00
Denis Vlasenko
fcf37c3183
hush: fix break'ing out of {} and () groups; with testcase
...
function old new delta
builtin_break 93 129 +36
builtin_continue 21 47 +26
run_list 1973 1976 +3
2008-07-29 11:37:15 +00:00
Denis Vlasenko
d91afa33fd
randomconfig fixes
2008-07-29 11:10:01 +00:00
Denis Vlasenko
dadfb4975b
hush: add #defines to switch off break/continue if loops are not supported
...
*: remove a few inline keywords
no code changes
2008-07-29 10:16:05 +00:00
Denis Vlasenko
918a34b9e0
hush: fix "while false; ..." exitcode; add testsuites
2008-07-28 23:17:31 +00:00
Denis Vlasenko
6a2d40f239
hush: support "break N" and "continue N"
...
fix non-detection of builtins and applets in "v=break; ...; $v; ..." case
add testsuite entries for the above
function old new delta
builtin_break 12 93 +81
run_list 1948 1971 +23
builtin_continue 12 21 +9
pseudo_exec_argv 132 138 +6
builtin_exec 23 25 +2
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 5/0 up/down: 121/0) Total: 121 bytes
2008-07-28 23:07:06 +00:00
Denis Vlasenko
bcb25537d0
hush: implement break and continue
...
function old new delta
bltins 252 276 +24
builtin_continue - 12 +12
builtin_break - 12 +12
static.version_str 18 17 -1
run_list 1984 1948 -36
------------------------------------------------------------------------------
(add/remove: 2/0 grow/shrink: 1/2 up/down: 48/-27) Total: 11 bytes
2008-07-28 23:04:34 +00:00
Denis Vlasenko
cf22c89f9a
hush: in run_list(), some loop_top ops seems to be superfluous.
...
comment them out. Also, use separate temp variable
for verification loop, helps gcc to optimize better.
function old new delta
run_list 2039 1984 -55
2008-07-28 15:17:44 +00:00
Denis Vlasenko
12acec5ad4
hush: in run_list(), last_cond_code seems to be superfluous. comment it out
...
function old new delta
run_list 2055 2039 -16
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-16) Total: -16 bytes
2008-07-28 15:15:59 +00:00
Denis Vlasenko
5e052cab17
hush: explain run_list() in detail; small optimizations
...
function old new delta
hush_main 785 786 +1
expand_variables 1447 1448 +1
builtin_exit 48 49 +1
builtin_eval 54 55 +1
run_list 2075 2055 -20
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 4/1 up/down: 4/-20) Total: -16 bytes
2008-07-28 15:15:09 +00:00
Denis Vlasenko
be709c24d4
hush: finish and enable optional case...esac support. Code size cost:
...
function old new delta
run_list 1891 2075 +184
parse_stream 1764 1847 +83
expand_strvec_to_string - 83 +83
done_word 647 715 +68
static.reserved_list 144 168 +24
static.reserved_match - 12 +12
done_pipe 95 105 +10
builtin_exit 48 46 -2
builtin_eval 127 54 -73
------------------------------------------------------------------------------
(add/remove: 2/0 grow/shrink: 5/2 up/down: 464/-75) Total: 389 bytes
2008-07-28 00:01:16 +00:00
Denis Vlasenko
5415c856ea
libbb: [x]fopen_for_{read,write} introduced and used.
...
(by Valdimir)
function old new delta
config_open2 - 41 +41
config_read 507 542 +35
find_pair 169 187 +18
fopen_for_write - 14 +14
fopen_for_read - 14 +14
find_main 406 418 +12
xfopen_for_write - 10 +10
xfopen_for_read - 10 +10
popstring 134 140 +6
parse_inittab 396 401 +5
next_token 923 928 +5
pack_gzip 1659 1661 +2
bb__parsespent 117 119 +2
fallbackSort 1719 1717 -2
evalvar 1376 1374 -2
qrealloc 36 33 -3
...
...
...
...
singlemount 4579 4569 -10
process_stdin 443 433 -10
patch_main 1111 1101 -10
ifupdown_main 2175 2165 -10
file_action_grep 90 80 -10
uuidcache_init 649 637 -12
hush_main 797 785 -12
read_config 230 217 -13
dpkg_main 3835 3820 -15
read_line_input 3134 3110 -24
sysctl_main 232 203 -29
config_open 40 10 -30
WARN_BAD_LINE 44 - -44
login_main 1714 1575 -139
------------------------------------------------------------------------------
(add/remove: 5/1 grow/shrink: 8/74 up/down: 174/-737) Total: -563 bytes
2008-07-21 23:05:26 +00:00
Bernhard Reutner-Fischer
a53de7f7c2
- fix spelling
2008-07-21 13:46:54 +00:00
Denis Vlasenko
757361f9f5
hush: fix "... pattern) cmd;; esac" case
2008-07-14 08:26:47 +00:00
Denis Vlasenko
395ae45216
hush: delete unused field in struct child.
...
reinstate needed check for invalid syntax.
document command parsing in hush_doc.txt.
2008-07-14 06:29:38 +00:00
Denis Vlasenko
17f02e79f4
hush: add case statement support. It is incomplete and disabled for now.
...
costs ~300 bytes when enabled.
2008-07-14 04:32:29 +00:00
Denis Vlasenko
6bdff08e6c
hush: compile fixes for !LOOPS case
2008-07-09 20:14:53 +00:00
Denis Vlasenko
733e3fbc2f
hush: support "for if in do done then; do echo $if; done" case
...
function old new delta
done_pipe 83 95 +12
parse_stream 1758 1764 +6
done_word 674 647 -27
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/1 up/down: 18/-27) Total: -9 bytes
2008-07-06 10:01:13 +00:00
Denis Vlasenko
ff182a3d68
hush: support "for v; do ... done" syntax (implied 'in "$@"')
2008-07-05 20:29:59 +00:00
Denis Vlasenko
afdcd12ed7
hush: fix a case where "$@" must expand to no word at all
2008-07-05 17:40:04 +00:00
Denis Vlasenko
a60f84ebf0
*: rename ATTRIBUTE_XXX to just XXX.
2008-07-05 09:18:54 +00:00
Denis Vlasenko
82604e9730
revert last two commits. vfork cannot be used in subroutine,
...
it trashes stack on return
2008-07-01 15:59:42 +00:00
Denis Vlasenko
58d60c3333
*: introduce and use xfork()
...
function old new delta
xfork - 20 +20
msh_main 1377 1380 +3
mod_process 455 446 -9
forkexit_or_rexec 30 17 -13
expand_variables 1434 1421 -13
open_transformer 91 76 -15
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 1/4 up/down: 23/-50) Total: -27 bytes
2008-07-01 11:11:24 +00:00
Denis Vlasenko
3da5572bfa
*: introduce and use xvfork()
...
function old new delta
time_main 1052 1285 +233
crontab_main 623 856 +233
ifupdown_main 2202 2403 +201
xvfork - 20 +20
passwd_main 1049 1053 +4
grave 1068 1066 -2
script_main 935 921 -14
vfork_or_die 20 - -20
vfork_compressor 206 175 -31
open_as_user 109 - -109
popen2 218 - -218
edit_file 910 690 -220
run_command 268 - -268
------------------------------------------------------------------------------
(add/remove: 1/4 grow/shrink: 4/4 up/down: 691/-882) Total: -191 bytes
2008-07-01 10:40:41 +00:00
Denis Vlasenko
defc1ea340
*: introduce and use FAST_FUNC: regparm on i386, otherwise no-on
...
text data bss dec hex filename
808035 611 6868 815514 c719a busybox_old
804472 611 6868 811951 c63af busybox_unstripped
2008-06-27 02:52:20 +00:00
Denis Vlasenko
7049ff8696
whitespace fixes. no code changes
2008-06-25 09:53:17 +00:00
Denis Vlasenko
5ec6132c98
hush: ifdef out parts which are not needed
...
if neither loops nor ifs are supported. Code savings:
function old new delta
parse_stream 1758 1757 -1
checkjobs 335 318 -17
done_pipe 74 52 -22
expand_variables 1437 1407 -30
run_list 1232 1189 -43
parse_and_run_stream 328 267 -61
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/6 up/down: 0/-174) Total: -174 bytes
2008-06-24 00:50:07 +00:00
Denis Vlasenko
003f9fb213
hush: kill some old unused fields; small code shrink
...
function old new delta
builtin_exit 48 47 -1
checkjobs 351 335 -16
checkjobs_and_fg_shell 60 35 -25
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/3 up/down: 0/-42) Total: -42 bytes
2008-06-24 00:47:58 +00:00
Denis Vlasenko
cc3f20b9bd
fix breakage found by randomconfig
2008-06-23 22:31:52 +00:00
Denis Vlasenko
211b59be43
hush: trivial fix in debug code
2008-06-23 16:28:53 +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
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
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
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
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
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
636a1f85e8
- use EXIT_{SUCCESS,FAILURE}. No object-code changes
2008-05-19 09:29:47 +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
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
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
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
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
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
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
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
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
Denis Vlasenko
3b4921674e
hush: fixlet for NOMMU
...
update TODO_config_nommu
2007-12-24 14:26:57 +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
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
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
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
4daad9004d
introduce bb_putchar(). saves ~1800 on uclibc (less on glibc).
2007-09-27 10:20:47 +00:00
Denis Vlasenko
6ca409e0e4
trylink: produce even more info about final link stage
...
trylink: explain how to modify link and drastically decrease amount
of padding (unfortunately, needs hand editing ATM).
*: add ALIGN1 / ALIGN2 to global strings and arrays of bytes and shorts
size saving: 0.5k
2007-08-12 20:58:27 +00:00
Denis Vlasenko
80b8b39899
Consolidate ARRAY_SIZE macro; remove one unneeded global var (walter harms <wharms@bfs.de>)
2007-06-25 10:55:35 +00:00
Denis Vlasenko
ca525b4f24
*: BB_BANNER -> bb_banner (it is not a const or #define)!
...
correct_password: explain in detail why it is ok to use bb_banner
fsck_minix: make it print bb version, not it's own (outdated/irrelevant) one
Marginal size difference:
text data bss dec hex filename
679119 2700 15632 697451 aa46b busybox_old
679091 2700 15632 697423 aa44f busybox_unstripped
2007-06-13 12:27:17 +00:00
Denis Vlasenko
d67cef2425
hush: fix read builtin to not read ahead past eol and to not use
...
insane amounts of stack. Testsuite updated.
2007-06-13 06:47:47 +00:00
Denis Vlasenko
bdbbb7ec49
make busybox --install work even if /proc/self/exe doesn't exist
...
# size busybox_old busybox_unstripped
text data bss dec hex filename
680095 2704 15648 698447 aa84f busybox_old
680099 2704 15648 698451 aa853 busybox_unstripped
2007-06-08 15:02:55 +00:00
Denis Vlasenko
27f79ff03d
hush: trivial buglet found by randomconfig testing
2007-05-30 00:55:52 +00:00
Denis Vlasenko
4b924f3a5c
whitespace fixes
2007-05-30 00:29:55 +00:00
Denis Vlasenko
b6adbf1be2
usage.c: remove reference to busybox.h
...
*: s/include "busybox.h"/include "libbb.h"
2007-05-26 19:00:18 +00:00
Denis Vlasenko
5a6aeddfa7
xpipe: introduce (saves ~170 bytes)
...
udhcp/signalpipe.c: use pipe instead of socketpair.
2007-05-26 16:44:20 +00:00
Denis Vlasenko
ba7cf260fd
hush: fix 'echo abcsleep 5def' + Ctrl-Z and Ctrl-C bugs. +50 bytes of code.
2007-05-25 14:34:30 +00:00
Denis Vlasenko
0a83fc3984
hush: avoid duplicating HUSH_VERSION
2007-05-25 11:12:32 +00:00
Denis Vlasenko
201c72a8d6
hush: micro-optimization in new variable code
2007-05-25 10:00:36 +00:00
Denis Vlasenko
28c0f0f4fe
hush: we can't do without variable->value member, saving 25 bytes of code
...
and some runtime memory. Rename few variables.
2007-05-25 02:46:01 +00:00
Denis Vlasenko
d76c049cc4
hush: rework variable storage and environment handling.
...
More that -100 bytes of code + memory leak plugged.
Added a testcase for it.
2007-05-25 02:16:25 +00:00
Denis Vlasenko
5a1437d835
hush: fix segfaulting syntax error in interactive hush
2007-05-24 13:22:47 +00:00
Denis Vlasenko
b055001b6a
hush: fix handling of unmatched ${name (without closing '}') -
...
was eating all remaining input, potentially megabytes.
nofork: save/restore die_jmp too
nofork: use -2222 instead of -111 as "special" return valur for zero
(-111 is used by some applets. -2222 won't fit in exitcode and thus safer)
2007-05-24 12:18:16 +00:00
Denis Vlasenko
90e485ce79
hush: make syntax error messages a bit more useful
2007-05-23 15:22:50 +00:00
Denis Vlasenko
170435c575
hush: fix job control with eval /bin/external_prog
...
hush: fix parsing of unterminated "str with no EOL
hush: improved make_string() (smaller, faster, needs less RAM)
hush: renamed several functions
2007-05-23 13:01:10 +00:00
Denis Vlasenko
1a7358612f
hush: fix a bit different instance of "No EOL" bug,
...
add testsuite for that. Expand another testsuite.
2007-05-23 00:32:25 +00:00
Denis Vlasenko
0681033918
hush: add 3 CONFIG_xxx, allowing for smaller and less capable hush.
...
Minimal hush is ~9k now (lash is ~7k).
2007-05-21 23:30:54 +00:00
Denis Vlasenko
219e88d050
hush: using smallints where we can. save ~20 bytes in code and
...
some data storage at runtime.
2007-05-21 10:18:23 +00:00
Denis Vlasenko
004baba2d6
hush: fix shift + $0 bug; add testcase
2007-05-20 22:22:18 +00:00
Denis Vlasenko
262d765351
hush: trivial size optimization
2007-05-20 21:52:49 +00:00
Denis Vlasenko
14b5dd9943
hush: make process substitution configurable; add a testcase
2007-05-20 21:51:38 +00:00
Denis Vlasenko
c8be5ee325
hush: do "struct globals" trick. hush.o data+bss = 0 bytes now.
...
+60 bytes to image, but -8000 bytes in bss.
2007-05-17 15:38:46 +00:00
Denis Vlasenko
b6a741ffa7
hush: consolidated variable expansion for assignments and "normal" one.
...
-435 bytes. Tested against testsuite.
2007-05-17 14:38:17 +00:00
Denis Vlasenko
96f67dc69d
more compile fixes from randomconfig run
2007-05-17 13:02:41 +00:00
Denis Vlasenko
c666f71e3b
hush: take care of several easy FIXMEs. -228 bytes.
2007-05-16 22:18:54 +00:00
Denis Vlasenko
831dcc439c
hush: another microscopic typo fix
2007-05-16 15:05:36 +00:00
Denis Vlasenko
c29903221d
hush: fix English in comment
2007-05-16 12:57:12 +00:00
Denis Vlasenko
3e7b0e6120
hush: simplify read builtin; fix set_local_var (misplaced 'goto skip;')
2007-05-16 12:52:15 +00:00
Denis Vlasenko
1f4cf517f5
hush: fix expansion of quoted $VAR, $* and $@
2007-05-16 10:39:24 +00:00
Denis Vlasenko
8f6bdb42df
hush: fix incorrect processing of echo "'$var'".
...
hush: rename map[] and MAP_xxx, making them easier to understand.
hush: move testcase (which now passes) from hush-bugs to hush-parsing
2007-05-16 09:36:55 +00:00
Denis Vlasenko
764d59d488
hush: more fixes to variable expansion, more testcases
2007-05-14 16:23:23 +00:00
Denis Vlasenko
03eb8bf6ce
hush: move towards more correct variable expansion
...
hush: fix a few cases in FOR v IN ... construct
unfortunately, code growth is big - ~600 bytes
2007-05-14 16:19:34 +00:00
Denis Vlasenko
602d13cba5
hush: fix '{ false; echo $?; }' bug.
...
hush: expand testsuite. variable expansion is still very broken
2007-05-13 18:34:53 +00:00
Denis Vlasenko
3e9aaae5dc
hush: fix bug in interactive shell introduced yesterday
...
hush: fix `process subst` (2 bugs)
NB: will delete and re-add hush_test in order to change file modes
2007-05-11 12:56:43 +00:00
Denis Vlasenko
e0a336747c
hush: fix "unterminated last line loops forever" bug
...
hush: add testsuite infrastructure
2007-05-10 23:06:55 +00:00
Denis Vlasenko
53079d494e
hush: fix recent breakage (VAR=VAL stopped working)
2007-05-10 23:05:28 +00:00
Denis Vlasenko
21f0d4c55e
hush: fix double-free in "echo TEST &"
2007-05-06 14:15:42 +00:00
Denis Vlasenko
dd4cb2b31e
hush: stop generating extra empty pipes in parse stage.
2007-05-05 15:11:40 +00:00
Denis Vlasenko
a6c467f6d1
hush: preparatory patch for removing extra empty pipes generation
...
in parse stage. No real code change here.
2007-05-05 15:10:52 +00:00
Denis Vlasenko
ac0e5ab96a
hush: fix "while true; do true; done" + ctrl-z
2007-05-04 21:37:27 +00:00
Denis Vlasenko
400c5b6fc6
hush: add parse tree debug print
2007-05-04 13:07:27 +00:00
Denis Vlasenko
e725bfe6e0
hush: fix "true | exit 3; echo $?" bug
2007-05-03 22:45:39 +00:00
Denis Vlasenko
f2fffd0014
hush: remove env builtin (it is buggy). Add comments
2007-05-02 23:39:04 +00:00
Denis Vlasenko
d01ff13454
hush: simplify debugging prints a little bit
2007-05-02 21:40:23 +00:00
Denis Vlasenko
4ac530c0ef
hush: add debugging for tracing execution,
...
add FIXME for 'true | exit 3; echo $?' case
2007-05-02 15:35:45 +00:00
Denis Vlasenko
ef36ead370
hush: fix incorrect exitcodes without job control
2007-05-02 15:34:47 +00:00
Denis Vlasenko
e3f2f89891
hush: make job control and interactiveness configurable, part 2
2007-04-28 16:48:27 +00:00
Denis Vlasenko
b81b3df1fa
hush: make job control and interactiveness configurable, part 1
2007-04-28 16:48:04 +00:00
Denis Vlasenko
0937be5fa6
hush: make hush properly detect EOF on stdin (even interactive one -
...
think about pty being destroyed) and exit.
2007-04-28 16:47:08 +00:00
Denis Vlasenko
b5eaabb322
hush: add Ctrl-C handling to nofork case
2007-04-28 16:45:59 +00:00
Denis Vlasenko
3ac0e00553
hush: better signal handling across ctrl-z
2007-04-28 16:45:22 +00:00
Denis Vlasenko
18e19f2b0d
hush: fix nofork + ctrl-Z clobbering of globals
2007-04-28 16:43:18 +00:00
Denis Vlasenko
a6a1785a30
hush: add ctrl-Z handling for nofork'ed case
2007-04-28 16:42:11 +00:00
Denis Vlasenko
1359da6ac7
hush: make Ctrl-Z work (at least sometimes)
2007-04-21 23:27:30 +00:00
Denis Vlasenko
762d35c75f
hust: add a comment
2007-04-21 17:28:51 +00:00
Denis Vlasenko
52881e9f23
hush: fix more backgrounding bugs. Plenty of them remains still.
2007-04-21 13:42:52 +00:00
Denis Vlasenko
2f1bb36a55
hush: explain why "pipe; exit $?" doesn't show correct exitcode
2007-04-21 10:01:14 +00:00
Denis Vlasenko
87cb2db703
hush: do not print message if killed by signal;
...
move some functions up before main()
2007-04-21 10:00:01 +00:00
Denis Vlasenko
54e7ffb3a4
hush: begin fixing non-functional job control
2007-04-21 00:03:36 +00:00
Denis Vlasenko
5f786c24e4
hush: small code shrink; style fixes
2007-04-20 08:35:45 +00:00
Denis Vlasenko
516a0ca2dc
ps: add -o tty and -o rss support
...
1373 14 24 1411 583 busybox.t1/procps/ps.o
1462 14 24 1500 5dc busybox.t2/procps/ps.o
2007-04-19 14:46:14 +00:00
Denis Vlasenko
55b2de71d7
hush: remove stray semicolon (should change nothing)
2007-04-18 17:21:28 +00:00
Denis Vlasenko
7d4c44e1b1
shells: remove few statics and duplicated code
...
(much more of the same remains, alas)
function old new delta
doset 330 332 +2
warn 53 51 -2
onecommand 463 461 -2
ioecho 40 38 -2
forkexec 1412 1410 -2
err 81 79 -2
setdash 59 56 -3
flag 4 - -4
msh_main 1389 1384 -5
eval 388 381 -7
subgetc 759 747 -12
static.local 14 - -14
b_adduint 70 52 -18
------------------------------------------------------------------------------
(add/remove: 0/2 grow/shrink: 1/10 up/down: 2/-73) Total: -71 bytes
2007-04-16 22:34:39 +00:00
Denis Vlasenko
ac678ec2f1
style fixes, no code changes
2007-04-16 22:32:04 +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
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
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
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
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
ff131b980d
style fixes. No code changes.
2007-04-10 15:42:06 +00:00
Denis Vlasenko
219d14d514
random style fixes (extra spaces deleted)
2007-03-24 15:40:16 +00:00
Denis Vlasenko
6ca0444420
syslogd: fix "readpath bug" by using readlink instead
...
libbb: rename xgetcwd and xreadlink
2007-02-11 16:19:28 +00:00
Denis Vlasenko
06af216528
suppress warnings about easch <applet>_main() having
...
no preceding prototype
2007-02-03 17:28:39 +00:00
Denis Vlasenko
4c97863109
assorted fixes for bugs found with randomconfig
2007-02-03 03:31:13 +00:00
Denis Vlasenko
bb81c5831a
hush: style fixes
2007-01-30 22:32:09 +00:00
Denis Vlasenko
c72c1ed932
hush: now it's -Wwrite-strings clean
2007-01-30 22:31:26 +00:00
Denis Vlasenko
0c886c65de
hush: style fixes
2007-01-30 22:30:09 +00:00
Denis Vlasenko
15d78fb724
hust: -Wwrite-strings fixes
2007-01-30 22:28:21 +00:00
Denis Vlasenko
b6aae0f381
preparatory patch for -Wwrite-strings #2
2007-01-29 22:51:25 +00:00
Denis Vlasenko
38f6319421
cmdedit is not a 'command' editing anymore, it's just editing (generic),
...
so rename stuff accordingly.
2007-01-22 09:03:07 +00:00
Denis Vlasenko
8e1c71529c
Convert cmdedit into more generic line input facility
...
(make history and completion optional at runtime).
Use it for fdisk, as an example.
Some unrelated fixes in fdisk are also here.
2007-01-22 07:21:38 +00:00
Denis Vlasenko
9af7c9d6b6
openvt,getty,vfork_daemon_rexec,mount: tighten up fd cleanup code
...
(will close all fd's > 2 on daemonization now)
getty: fix "getty -" support, and also do not try to chown/chmod "-"
telnetd: fix "lost ctty" bug
Yet another attempt on saner function names:
bb_sanitize_server_stdio(0/1) -> bb_sanitize_stdio() + bb_daemonize();
2007-01-19 21:19:35 +00:00
Denis Vlasenko
bf0a201008
style fixes
...
last xcalloc replaced by xzalloc
2006-12-26 10:42:51 +00:00
Denis Vlasenko
d9e15f2068
style cleanup: return(a) -> return a, part 2
2006-11-27 16:49:55 +00:00
Denis Vlasenko
079f8afa0a
style cleanup: return(a) -> return a, part 1
2006-11-27 16:49:31 +00:00
