Commit Graph

750 Commits

Author SHA1 Message Date
Denys Vlasenko
6b6af53426 ash/hush: shrink help text
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-03-08 10:24:17 +01:00
Denys Vlasenko
b0b834342f ash/hush: provide help text
$ ./busybox ash --help
BusyBox v1.19.0.git (2011-03-07 11:25:29 CET) multi-call binary.

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

Unix shell interpreter

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

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

Unix shell interpreter

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

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-03-07 12:34:59 +01:00
Denys Vlasenko
7c6f2468cc hush: do not print killer signal's name for SIGPIPE
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-02-14 17:17:10 +01:00
Denys Vlasenko
66c5b12dbf ash: fix TMOUT not restoring tty attributes
function                                             old     new   delta
pgetc                                                420     500     +80
readtoken1                                          3202    3239     +37
read_line_input                                     3316    3337     +21
udhcpc_main                                         2610    2630     +20
file_get                                             266     272      +6
expandarg                                            958     963      +5
localcmd                                             257     259      +2
addLines                                              85      87      +2
read_line                                             94      95      +1
ed_main                                             2540    2541      +1
timed_out                                              1       -      -1
lineedit_read_key                                    256     255      -1
alrm_sighandler                                       44       -     -44
cmdloop                                              539     434    -105
------------------------------------------------------------------------------
(add/remove: 0/2 grow/shrink: 10/2 up/down: 175/-151)          Total: 24 bytes
   text    data     bss     dec     hex filename
 887379     936   17200  905515   dd12b busybox_old
 887411     936   17192  905539   dd143 busybox_unstripped

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

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-02-07 02:03:51 +01:00
Denys Vlasenko
b72baeb003 hush: use FEATURE_SH_NOFORK to enable NOFORK trick
Also expands docs

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

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-01-18 17:55:04 +01:00
Denys Vlasenko
98c46d10ee hush: fix "cmd & <newline>" problem
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-01-18 17:30:07 +01:00
Denys Vlasenko
b9f2d9f7d9 mass removal of underscores from _BB_DIR_foo and _BB_SUID_foo
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-01-18 13:58:01 +01:00
Denys Vlasenko
642e71a789 hush: fix wrong prompt problem on empty interactive commants
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2011-01-07 15:16:05 +01:00
Denys Vlasenko
75eb9d20e9 hush: fix FEATURE_CLEAN_UP code (was freeing unallocated memory)
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-12-21 21:18:12 +01:00
Denys Vlasenko
0d6a4ecb30 hush: fix build breakage (variable declared in for())
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-12-18 01:34:49 +01:00
Denys Vlasenko
8da415ef25 add if guards around include <malloc.h>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-12-05 01:30:14 +01:00
Denys Vlasenko
57542ebe4f hush: move G_x_mode define to the more appropriate place
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-11-28 03:59:30 +01:00
Dan Fandrich
85c62470b7 Support set -o xtrace/noexec alternates for set -x/-n
Signed-off-by: Dan Fandrich <dan@coneharvesters.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-11-28 03:56:39 +01:00
Dan Fandrich
89ca2f99a2 hush: display useful help text
Signed-off-by: Dan Fandrich <dan@coneharvesters.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-11-28 01:54:39 +01:00
Denys Vlasenko
26777aa1c6 fixes for bugs discovered by randomconfig builds and tests
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-11-22 23:49:10 +01:00
Denys Vlasenko
7b4c0fd5f4 hush: fix improper handling of newline and hash chars in few corner cases
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-11-22 17:58:14 +01:00
Denys Vlasenko
6696eac274 hush: add support for "set -o pipefail"
function                                             old     new   delta
checkjobs                                            467     517     +50
builtin_set                                          259     286     +27
o_opt_strings                                          -      10     +10
hush_main                                           1011    1013      +2
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 3/0 up/down: 89/0)               Total: 89 bytes

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

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-10-03 17:15:50 +02:00
Denys Vlasenko
9e800223f1 hush: implement brace expansion
When enabled:

function                                             old     new   delta
glob_brace                                             -     402    +402
next_brace_sub                                         -      70     +70
expand_on_ifs                                        185     231     +46
bbconfig_config_bz2                                 4923    4929      +6
o_save_ptr                                           282     140    -142
------------------------------------------------------------------------------
(add/remove: 2/0 grow/shrink: 2/1 up/down: 524/-142)          Total: 382 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-10-03 14:28:04 +02:00
Denys Vlasenko
238081f750 hush: preparatory patch, no code changes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-10-03 14:26:26 +02:00
Denys Vlasenko
0e13b4019c hush: use smaller EXP_FLAG_foo constants
function                                             old     new   delta
expand_string_to_string                              126     124      -2
parse_stream                                        2376    2370      -6
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-8)               Total: -8 bytes

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-21 12:35:39 +02:00
Denys Vlasenko
52e460b744 hush: move shell_ver from globals to main's stack.
function                                             old     new   delta
hush_main                                            995    1011     +16
pseudo_exec_argv                                     253     251      -2
execvp_or_die                                         50      48      -2
maybe_set_to_sigexit                                  50      47      -3
hush_exit                                             78      75      -3
builtin_wait                                         274     271      -3
check_and_run_traps                                  205     200      -5
init_sigmasks                                        214     190     -24
builtin_trap                                         465     441     -24
reset_traps_to_defaults                              238     211     -27
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/9 up/down: 16/-93)            Total: -77 bytes

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-16 16:12:00 +02:00
Denys Vlasenko
bed7c81ea2 shell/math: deconvolute and explain ?: handling. Give better error message
function                                             old     new   delta
arith_apply                                         1271    1283     +12

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-16 11:50:46 +02:00
Denys Vlasenko
063847d6bd shell/math: return string error indicator, not integer
function                                             old     new   delta
expand_and_evaluate_arith                             87     106     +19
expand_one_var                                      1563    1570      +7
arith                                                 12      18      +6
evaluate_string                                      678     680      +2
arith_apply                                         1269    1271      +2
builtin_umask                                        133     132      -1
ash_arith                                            118      75     -43
expand_vars_to_list                                 1094    1038     -56
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 5/3 up/down: 36/-100)           Total: -64 bytes

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-15 13:33:02 +02:00
Denys Vlasenko
06d44d7dfb shell/math.c: rename arith_eval_hooks to arith_state, put error code into it
function                                             old     new   delta
expand_and_evaluate_arith                             79      89     +10
arith                                                675     674      -1
arith_lookup_val                                     151     142      -9
ash_arith                                            135     122     -13
arith_apply                                         1304    1269     -35
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/4 up/down: 10/-58)            Total: -48 bytes

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-13 12:49:03 +02:00
Denys Vlasenko
b771c654ca shell: shrink arith code; and prepare for returning text error codes
function                                             old     new   delta
arith                                                701     680     -21

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-13 00:34:26 +02:00
Denys Vlasenko
99862cbfad hush: optional support for history saving
function                                             old     new   delta
hush_main                                            945     995     +50

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-12 17:34:13 +02:00
Denys Vlasenko
de8c3f667a hush: move the EXIT trap comment. no code changes
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-12 16:13:44 +02:00
Denys Vlasenko
a110c90de2 hush: fix EXIT trap display inside exit trap handler
function                                             old     new   delta
hush_exit                                             84      78      -6

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-12 15:38:04 +02:00
Denys Vlasenko
acd5bc8f64 hush: fix handling of \" in quoted/unquoted cmd
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-12 15:05:39 +02:00
Denys Vlasenko
5277a9db70 hush: remove forgotten commented-out block. no code changes
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-10 15:34:53 +02:00
Denys Vlasenko
4f870496e7 hush: do fewer strdups in % and hash expansions
function                                             old     new   delta
builtin_umask                                        133     132      -1
expand_one_var                                      1552    1543      -9

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-10 11:06:01 +02:00
Denys Vlasenko
d98e5c65c3 hush: better function and parameter names
Also, trim code which isn't needed for non-bash compat.
No logic changes.

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-10 10:44:23 +02:00
Denys Vlasenko
ebee410fe2 hush: fix var_bash5.tests failure
function                                             old     new   delta
expand_one_var                                      1513    1552     +39
expand_pseudo_dquoted                                118     135     +17
expand_string_to_string                              110     126     +16
setup_heredoc                                        298     308     +10
expand_and_evaluate_arith                             69      79     +10
parse_stream_dquoted                                 233     241      +8
setup_redirects                                      220     225      +5
run_list                                             956     961      +5
expand_assignments                                    76      81      +5
run_pipe                                            1587    1590      +3
parse_stream                                        2371    2374      +3
builtin_umask                                        132     133      +1
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 12/0 up/down: 122/0)            Total: 122 bytes

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-10 10:17:53 +02:00
Denys Vlasenko
14e289b324 hush: fix var_bash3.tests failure
function                                             old     new   delta
expand_one_var                                      1513    1538     +25
parse_stream_dquoted                                 233     241      +8
expand_pseudo_dquoted                                118     126      +8
setup_heredoc                                        298     303      +5
expand_and_evaluate_arith                             69      74      +5
parse_stream                                        2371    2374      +3
builtin_umask                                        132     133      +1
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 7/0 up/down: 55/0)               Total: 55 bytes

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-10 10:15:18 +02:00
Denys Vlasenko
a769e0225d hush: remove useless ESC_GLOB_CHARS clears/resotres
function                                             old     new   delta
o_addQstr                                             43     165    +122
expand_on_ifs                                        210     189     -21
expand_vars_to_list                                 1122    1094     -28
o_addqblock                                          139       -    -139
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 1/2 up/down: 122/-188)          Total: -66 bytes

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-10 10:12:34 +02:00
Denys Vlasenko
bfc02a76c5 hush: fix a bug where expand_one_var wasn't restoring 1st char of the encoded $var
function                                             old     new   delta
expand_one_var                                      1515    1513      -2
expand_vars_to_list                                 1133    1122     -11

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-09 14:38:46 +02:00
Denys Vlasenko
101a4e3e21 hush: make parse_dollar flag quited status regardless of glob escaping status
function                                             old     new   delta
parse_stream_dquoted                                 228     233      +5
parse_stream                                        2369    2371      +2
parse_dollar                                         730     717     -13
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/1 up/down: 7/-13)              Total: -6 bytes

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-09 14:04:57 +02:00
Denys Vlasenko
5b6210cf49 hush: simplification in parse_stream, parse_stream_dquoted
function                                             old     new   delta
parse_stream                                        2354    2369     +15
parse_stream_dquoted                                 250     228     -22

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-09 13:32:21 +02:00
Denys Vlasenko
850b15bfaf hush: simplify parse_stream_dquoted
function                                             old     new   delta
parse_stream_dquoted                                 303     250     -53

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-09 12:58:19 +02:00
Denys Vlasenko
77a7b5519c hush: straighten out the logic in parse_stream
function                                             old     new   delta
parse_stream                                        2399    2354     -45

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-09 12:40:03 +02:00
Denys Vlasenko
95d48f2598 hush: eliminate redundant parameter of expand_vars_to_list()
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-08 13:58:55 +02:00
Denys Vlasenko
5b686cb8e6 hush: replace flag bytes in struct o_string with bit flags
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-08 13:44:34 +02:00
Denys Vlasenko
9b78255dca hush: remove unused enum typedef
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-08 13:33:26 +02:00
Denys Vlasenko
1fd3d94a6c hush: fix set -- q w e; (IFS='' echo "$*"; IFS=''; echo "$*"); echo "$*"
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-08 13:31:53 +02:00
Denys Vlasenko
8b2f13d84d shell: unify endofname() in hush and ash
function                                             old     new   delta
builtin_umask                                        132     133      +1
changepath                                           195     194      -1
expand_and_evaluate_arith                             77      69      -8
ash_arith                                            143     135      -8
expand_one_var                                      1551    1515     -36
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/4 up/down: 1/-53)             Total: -52 bytes

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-07 12:19:33 +02:00
Denys Vlasenko
27c56f1267 hush: a few relatively trivial simplifications
function                                             old     new   delta
helper_export_local                                  130     135      +5
set_vars_and_save_old                                 89      85      -4
expand_variables                                     147     141      -6
get_ptr_to_local_var                                  77      70      -7
get_local_var_value                                  171     164      -7
delete_finished_bg_job                                31      16     -15
hush_exit                                            101      84     -17
free_pipe_list                                        31      12     -19
check_and_run_traps                                  232     205     -27
free_pipe                                            205     130     -75
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/9 up/down: 5/-177)           Total: -172 bytes

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-07 09:56:34 +02:00
Denys Vlasenko
da463fb007 hush: style cleanups. no code changes
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-07 09:53:50 +02:00
Denys Vlasenko
605067b426 hush: revert a recent buggy change which resulted in two HUSH_VERSIONs
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-06 12:10:51 +02:00
Denys Vlasenko
83b900fb82 fix typo in comment
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-06 11:47:55 +02:00
Denys Vlasenko
c3adfacd22 hush: fix another corner case with backslashes in heredocs
function                                             old     new   delta
parse_stream                                        2395    2432     +37

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-06 11:46:03 +02:00
Denys Vlasenko
77b32ccbf2 hush: fix backslash and terminator handling in <<[-]["]heredoc["]
function                                             old     new   delta
parse_stream                                        2339    2395     +56
expand_pseudo_dquoted                                104     118     +14
parse_stream_dquoted                                 296     300      +4
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/0 up/down: 74/0)               Total: 74 bytes

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-06 11:27:32 +02:00
Denys Vlasenko
c49d2d9793 hush: fix globbing+backslashes in unquoted $var expansion
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-06 10:26:37 +02:00
Denys Vlasenko
d383b49aef hush: remove disabled CMD_SINGLEWORD_NOGLOB_COND, rename o_glob->perform_glob
+ other small tweaks to comments and such

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-06 10:22:13 +02:00
Denys Vlasenko
96f064d416 shell: remove lash and bbsh
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-06 10:18:21 +02:00
Denys Vlasenko
b36abf2dfc hush: big reordering: move parser functions to the beginning. no code changes
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-05 14:50:59 +02:00
Denys Vlasenko
38292b68c9 hush: rename o_quoted to has_quoted_part; small code shrink
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-05 14:49:40 +02:00
Denys Vlasenko
f2dc20c2d5 hush: move variable expansion into a separate function. No logic changes
function                                             old     new   delta
expand_one_var                                         -    1551   +1551
expand_vars_to_list                                 2833    1175   -1658
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/1 up/down: 1551/-1658)       Total: -107 bytes

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-05 14:48:11 +02:00
Denys Vlasenko
36f774a0cd hush: add support for ${var/pattern/repl}, conditional on bash compat
function                                             old     new   delta
expand_vars_to_list                                 2386    2833    +447
expand_string_to_string                               69     110     +41
parse_dollar                                         681     721     +40
hush_main                                            963     945     -18
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/1 up/down: 528/-18)           Total: 510 bytes

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-05 14:47:58 +02:00
Denys Vlasenko
701e127f7d hush: optimize #[#] and %[%] for speed. size -2 bytes.
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-04 21:21:07 +02:00
Denys Vlasenko
e298ce69ba hush: fix handling of backslashes in variable assignment
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-09-04 19:52:44 +02:00
Denys Vlasenko
0ef64bdb40 *: make GNU licensing statement forms more regular
This change retains "or later" state! No licensing _changes_ here,
only form is adjusted (article, space between "GPL" and "v2" and so on).

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-08-16 20:14:46 +02:00
Denys Vlasenko
7783248eaa *: s/xatoi_u/xatoi_positive/g - I got bored of mistyping xatoi_u as xatou_i
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-08-12 14:14:45 +02:00
Denys Vlasenko
f3ea792bad *: mass cosmetic removal of extra empty lines. no code changes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-07-26 01:06:14 +02:00
Alexander Shishkin
ccb9771861 ash: fix $! value when traps are set
Signed-off-by: Alexander Shishkin <virtuoso@slind.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-07-25 13:07:39 +02:00
Denys Vlasenko
6adf2aad38 hush: move msh/lash config into hush.c, no code changes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-07-16 19:26:38 +02:00
Denys Vlasenko
771f1995a9 ash: move config stuff into ash.c, no code chages
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-07-16 14:31:34 +02:00
Denys Vlasenko
29082231d0 hush: fix multimple dependent variable expansion cases
function                                             old     new   delta
get_local_var_value                                  100     171     +71
expand_assignments                                    46      76     +30
reset_traps_to_defaults                              229     238      +9
maybe_set_to_sigexit                                  47      50      +3
init_sigmasks                                        211     214      +3
builtin_trap                                         462     465      +3
expand_vars_to_list                                 2412    2408      -4
run_pipe                                            1568    1533     -35
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 6/2 up/down: 119/-39)            Total: 80 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-07-16 13:52:32 +02:00
Denys Vlasenko
202a2d1219 hush: make set -x support optional
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-07-16 12:36:14 +02:00
Denys Vlasenko
3f5fae0772 hush: add support for set -x
function                                             old     new   delta
run_pipe                                            1442    1568    +126
dump_cmd_in_x_mode                                     -     126    +126
builtin_trap                                         441     462     +21
pseudo_exec_argv                                     171     187     +16
reset_traps_to_defaults                              214     229     +15
check_and_run_traps                                  227     232      +5
hush_exit                                             98     101      +3
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 6/0 up/down: 312/0)             Total: 312 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-07-16 12:35:35 +02:00
Denys Vlasenko
b3389de04b hush: fix typo in comment
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-07-15 12:33:37 +02:00
Denys Vlasenko
8fa1f5d543 hush: fix faloout from previous commit
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-07-15 08:18:46 +02:00
Denys Vlasenko
889550b36b hush: make pun_pipe loop clearer; fix "cmd | var=cmd | cmd" handling
function                                             old     new   delta
free_strings                                           -      38     +38
pseudo_exec_argv                                     161     171     +10
free_pipe                                            227     205     -22
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 1/1 up/down: 48/-22)             Total: 26 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-07-14 19:01:25 +02:00
Denys Vlasenko
9297dbc9d2 randomconfig fixes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-07-05 21:37:12 +02:00
Pascal Bellard
926031b764 *: introduce and use xfork() and xvfork()
function                                             old     new   delta
launch_helper                                        170     169      -1
setup_heredoc                                        312     302     -10
handle_dir_common                                    367     354     -13
expand_vars_to_list                                 2456    2443     -13
open_transformer                                      89      74     -15
data_extract_to_command                              439     423     -16
do_ipaddr                                           1406    1389     -17
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/7 up/down: 0/-85)             Total: -85 bytes

Signed-off-by: Pascal Bellard <pascal.bellard@ads-lu.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-07-04 15:32:38 +02:00
Denys Vlasenko
1fcbff2fac build system: do not rebuild ash and hush on any change to any .c file
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-06-26 02:40:08 +02:00
Dan Fandrich
fdd7b566ec A few minor portability improvements
Signed-off-by: Dan Fandrich <dan@coneharvesters.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-06-19 20:03:15 +02:00
Denys Vlasenko
729ecb87bf bbconfig: make it independent from printf functions
function                                             old     new   delta
full_write2_str                                        -      25     +25
full_write1_str                                        -      25     +25
clear_main                                            21      20      -1
telnet_main                                         1488    1477     -11
getty_main                                          1932    1918     -14
full_write22_str                                      25       -     -25
------------------------------------------------------------------------------
(add/remove: 2/1 grow/shrink: 0/3 up/down: 50/-51)             Total: -1 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-06-07 14:14:26 +02:00
Denys Vlasenko
599ae1eb9f shell: consolidate builtin_foo.? into shell_common.?; delete obsolete shells
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-05-23 17:49:50 +02:00
Denys Vlasenko
8391c4800c hush: trivial code shrink
function                                             old     new   delta
static_get                                            26      22      -4

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-05-22 17:50:43 +02:00
Denys Vlasenko
2e48d536ce hush: reduce #ifdef forest a bit, rename handle_dollar -> parse_dollar
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-05-22 17:30:39 +02:00
Denys Vlasenko
5ae8f1cdbe hush: fix hush -c 'echo $0' - was showing empty string
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-05-22 06:32:11 +02:00
Denys Vlasenko
e85248afa2 hush: fix segfault in ${?:N:M}
function                                             old     new   delta
expand_vars_to_list                                 2374    2409     +35
builtin_umask                                        132     133      +1
builtin_exit                                          47      48      +1
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/0 up/down: 37/0)               Total: 37 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-05-22 06:20:26 +02:00
Denys Vlasenko
8a33679694 hush: fix "hush -c 'echo $#'" showing -1
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-05-22 06:05:02 +02:00
Denys Vlasenko
1e811b1231 hush: support ${var:EXPR:EXPR}!
function                                             old     new   delta
handle_dollar                                        574     681    +107
expand_and_evaluate_arith                              -      77     +77
expand_vars_to_list                                 2302    2374     +72
add_till_closing_bracket                             359     368      +9
builtin_exit                                          48      47      -1
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 3/1 up/down: 265/-1)            Total: 264 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-05-22 03:12:29 +02:00
Denys Vlasenko
ddc62f64ba hush: fix a nommu todo in recent commits
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-05-22 00:53:32 +02:00
Denys Vlasenko
a6ad397ea9 hush: fix more obscure ${var%...} cases
function                                             old     new   delta
add_till_closing_paren                               313     359     +46
builtin_exit                                          48      47      -1

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-05-22 00:26:06 +02:00
Denys Vlasenko
7436950a75 hush: fix a=abc; c=c; echo ${a%${c}}
function                                             old     new   delta
expand_vars_to_list                                 2229    2302     +73
add_till_closing_paren                               286     313     +27
handle_dollar                                        623     574     -49
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/1 up/down: 100/-49)            Total: 51 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-05-21 19:52:01 +02:00
Denys Vlasenko
3f78cec347 hush: handle expansions in ${var?expanded_word} constructs
function                                             old     new   delta
expand_vars_to_list                                 2209    2229     +20

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-05-21 17:54:46 +02:00
Denys Vlasenko
349ef96bb5 hush: reorganized TODO comment at top
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-05-21 15:46:24 +02:00
Denys Vlasenko
214b8ca3dc hush: add a list of unsupported builtins
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-05-21 15:35:44 +02:00
Denys Vlasenko
73e013fca7 hush: handle ${var:NUM:} too
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-05-21 15:24:12 +02:00
Denys Vlasenko
4f2c59b267 hush: remove extra comparison from prev commit
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-05-21 01:25:16 +02:00
Denys Vlasenko
4d8e5fdc1d hush: optional support for ${var:N:M} bashism
function                                             old     new   delta
expand_vars_to_list                                 1999    2183    +184
handle_dollar                                        682     623     -59

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-05-21 01:15:42 +02:00
Denys Vlasenko
53b513331a hush: explain various parameter expansion ops in comments
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-05-20 21:46:45 +02:00
Denys Vlasenko
ee0775dd13 hush: small code shrink
function                                             old     new   delta
expand_vars_to_list                                 2012    1999     -13

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-05-20 16:37:53 +02:00
Denys Vlasenko
e3be7842be hush: shrink variable expansion code
function                                             old     new   delta
expand_vars_to_list                                 2164    2012    -152

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-05-20 16:27:42 +02:00
Denys Vlasenko
cddbb610cb hush: fix var=exit 2 not setting $? to 2
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-05-20 14:27:09 +02:00
Denys Vlasenko
44c86ce5d7 hush: code shrink
text    data     bss     dec     hex filename
 843121     453    6828  850402   cf9e2 busybox_old
 843108     453    6828  850389   cf9d5 busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-05-20 04:22:55 +02:00
Denys Vlasenko
b131ccec9c hush: support "cd -- DIR" and such
function                                             old     new   delta
skip_dash_dash                                         -      33     +33
builtin_exit                                          43      48      +5
builtin_umask                                        121     125      +4
builtin_shift                                        115     119      +4
builtin_cd                                            71      75      +4
builtin_wait                                         271     274      +3
builtin_source                                       171     174      +3
builtin_exec                                          57      60      +3
builtin_eval                                          46      45      -1
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 7/1 up/down: 59/-1)              Total: 58 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-05-20 03:39:43 +02:00
Denys Vlasenko
e66cf821cf ash,hush: make bare "." set exitcode to 2
function                                             old     new   delta
dotcmd                                               300     305      +5
builtin_source                                       176     171      -5

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-05-18 09:12:53 +02:00
Denys Vlasenko
adc0e20892 hush: update bash compat todo comment
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-05-17 18:56:58 +02:00
Denys Vlasenko
82731b4b7a ash,hush: make "source" a synonym for . if bash compat is on
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-05-17 17:49:52 +02:00
Denys Vlasenko
3227d3f982 hush: fix hush-bugs/parse_err.tests
function                                             old     new   delta
parse_stream                                        2325    2339     +14
builtin_umask                                        121     123      +2
builtin_type                                         116     114      -2

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-05-17 09:49:47 +02:00
Denys Vlasenko
8806d64acd hush: mention PPID, RANDOM support
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-05-16 02:36:18 +02:00
Denys Vlasenko
651a2697f7 *: merge some common strings
text   data    bss    dec    hexfilename
 838650   8009      0 846659  ceb43busybox_old
 838519   8009      0 846528  ceac0busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-03-23 16:25:17 +01:00
Denys Vlasenko
1497484839 ash,hush: make it possible to build them individually
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-03-23 01:08:26 +01:00
Denys Vlasenko
f3c742f925 hush: use ash's ulimit builtin; make it more more bash0like while at it
Based on a patch by Tobias Klauser <tklauser@distanz.ch>

function                                             old     new   delta
shell_builtin_ulimit                                   -     498    +498
limits_tbl                                            33      88     +55
ulimit_opt_string                                      -      38     +38
bltins1                                              288     300     +12
limits_name                                          127       -    -127
ulimitcmd                                            415       7    -408
------------------------------------------------------------------------------
(add/remove: 3/1 grow/shrink: 2/1 up/down: 603/-535)           Total: 68 bytes
   text    data     bss     dec     hex filename
 839229     453    6828  846510   ceaae busybox_old
 839423     453    6828  846704   ceb70 busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-03-06 20:12:00 +01:00
Denys Vlasenko
14a917eaab hush: note a FIXME
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-02-08 03:04:22 +01:00
Denys Vlasenko
17323a6245 hush: more "greppable" field names. no code changes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-28 01:57:05 +01:00
Denys Vlasenko
3581c62515 whitespace fixes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-25 13:39:24 +01:00
Denys Vlasenko
6b01b71e83 randomconfig fixes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-24 22:52:21 +01:00
Denys Vlasenko
25d9b91d94 shell/read: check that variable names are sane
function                                             old     new   delta
shell_builtin_read                                  1000    1055     +55
parse_command                                       1460    1463      +3
builtin_umask                                        121     123      +2
is_well_formed_var_name                               73      66      -7

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-13 18:22:35 +01:00
Denys Vlasenko
03dad22f8a hush: use ash's read builtin
function                                             old     new   delta
shell_builtin_read                                     -    1000   +1000
set_local_var_from_halves                              -      24     +24
setvar2                                                -       7      +7
...
popstring                                            140     134      -6
ash_main                                            1375    1368      -7
setvar                                               184     174     -10
arith_set_local_var                                   36       -     -36
builtin_read                                        1096     185    -911
------------------------------------------------------------------------------
(add/remove: 3/1 grow/shrink: 5/23 up/down: 1038/-1007)        Total: 31 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-12 23:29:57 +01:00
Denys Vlasenko
6c93b24ce9 hush: fix potential buffer overflow on NOMMU
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-12 19:28:10 +01:00
Denys Vlasenko
e89a241b9e hush: fix subshell.tests failure on NOMMU
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-12 15:19:31 +01:00
Denys Vlasenko
b70cef71eb hush: two NOMMU fixes for bugs 877 and 883
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-12 13:45:45 +01:00
Denys Vlasenko
385cc59117 hush: plug a memory leak
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-12 06:47:39 +01:00
Denys Vlasenko
a4899efd03 hush: fix exitcodes of killed processes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-04 11:37:09 +01:00
Denys Vlasenko
c270454f8f fix fallout from isprint() changes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-11-20 19:14:19 +01:00
Denys Vlasenko
f3e2818895 hush: improve HUSH_BRACE_EXP code (still disabled). ~0 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-11-17 03:35:31 +01:00
Denys Vlasenko
160746b603 tweak in comment
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-11-16 05:51:18 +01:00
Denys Vlasenko
5b2db97703 hush: initial stab at brace expansion support
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-11-16 05:49:36 +01:00
Denys Vlasenko
d8389ad760 hush: fix handling of words with braces. +65 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-11-16 03:18:46 +01:00
Denys Vlasenko
00243b0a1a hush: fix exit code propagation from cmd. +45 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-11-16 02:00:03 +01:00
Denys Vlasenko
a7ccdeef39 libbb: added xfdopen_for_read/write
function                                             old     new   delta
xfdopen_helper                                         -      40     +40
logdir_open                                         1163    1184     +21
process_stdin                                        433     443     +10
xfdopen_for_write                                      -       9      +9
doCommands                                          2465    2474      +9
patch_main                                          1214    1222      +8
bbunpack                                             457     465      +8
xfdopen_for_read                                       -       7      +7
scan_tree                                            258     262      +4
xstrtoul_range_sfx                                   230     231      +1
sendmail_main                                        957     955      -2
passwd_main                                         1027    1023      -4
parse                                                969     964      -5
test_main                                            253     247      -6
sed_main                                             655     649      -6
dos2unix_main                                        437     429      -8
fbsplash_main                                        950     938     -12
handle_dir_common                                    371     354     -17
expand_vars_to_list                                 2197    2169     -28
update_passwd                                       1275    1246     -29
------------------------------------------------------------------------------
(add/remove: 3/0 grow/shrink: 7/10 up/down: 117/-117)           Total: 0 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-11-15 23:28:11 +01:00
Denys Vlasenko
647553a4fc hush: wait for cmd to complete, and immediately store its exitcode in $?
function                                             old     new   delta
expand_vars_to_list                                 2129    2197     +68

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-11-15 19:58:19 +01:00
Denys Vlasenko
8131eea3dc *: introduce and use ffulsh_all()
function                                             old     new   delta
buffer_fill_and_print                                179     196     +17
fflush_all                                             -       9      +9
spawn                                                 87      92      +5
rtcwake_main                                         455     453      -2
...
alarm_intr                                            93      84      -9
readcmd                                             1072    1062     -10
bb_ask                                               345     333     -12
more_main                                            845     832     -13
flush_stdout_stderr                                   42      23     -19
xfflush_stdout                                        27       -     -27
flush_stderr                                          30       -     -30
------------------------------------------------------------------------------
(add/remove: 1/2 grow/shrink: 2/50 up/down: 31/-397)         Total: -366 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-11-02 14:19:51 +01:00
Denys Vlasenko
c1947f18f5 build failure fix and some cosmetics
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-23 01:30:26 +02:00
Denys Vlasenko
3ef4f77620 hush: fix exec builtin in a better way (+ "glob in exec" bug fixed)
function                                             old     new   delta
execvp_or_die                                          -      50     +50
static.pseudo_null_str                                 3       -      -3
builtin_exec                                          83      57     -26
pseudo_exec_argv                                     200     163     -37
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 0/2 up/down: 50/-66)            Total: -16 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-19 23:09:06 +02:00
Denys Vlasenko
aaa22d2493 hush: use configured max line length, not BUFSIZE from libc
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-19 16:34:39 +02:00
Denys Vlasenko
3b3ccdc5bc hush: remove superfluous assignment
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-19 13:24:07 +02:00
Denys Vlasenko
8bc7f2c5aa hush: make it compile again :/
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-19 13:20:52 +02:00
Denys Vlasenko
c0836530f1 hush: cosmetics. no code changes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-19 13:13:06 +02:00
Denys Vlasenko
f37eb3999b hush: fix handling of empty arguments
function                                             old     new   delta
builtin_exec                                          25      83     +58
parse_stream                                        2242    2261     +19
run_pipe                                            1782    1787      +5
static.pseudo_null_str                                 -       3      +3
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 3/0 up/down: 85/0)               Total: 85 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-18 11:46:35 +02:00
Mike Frysinger
28736c36ca hush: handle empty execs
Sometimes variable expansions yield empty strings, and if they happen to
be a command someone wants to run like `$foo`, then hush currently
segfaults.  So handle `` and $().

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-10-18 01:15:36 -04:00
Mike Frysinger
4ebc76c8a2 hush: add a printf builtin
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-10-15 03:33:31 -04:00
Mike Frysinger
ccb1959aa5 hush: unify handling of builtin applets
Saves about 10 bytes for each additional builtin applet.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-10-15 03:33:31 -04:00
Denys Vlasenko
76ace254e1 ash,hush: fix $RANDOM in children being repeated
function                                             old     new   delta
next_random                                           46      68     +22
forkshell                                            248     263     +15
expand_vars_to_list                                 2118    2131     +13
run_pipe                                            1775    1782      +7
popstring                                            134     140      +6
builtin_umask                                        123     121      -2
ash_main                                            1356    1336     -20
get_local_var_value                                  125     104     -21
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 5/3 up/down: 63/-43)             Total: 20 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-12 15:25:01 +02:00
Denys Vlasenko
8c66a9d07a hush: shrink $RANDOM support
function                                             old     new   delta
get_local_var_value                                  104     125     +21
hush_main                                           1024     983     -41

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-11 02:15:49 +02:00
Denys Vlasenko
cbe0b7fb59 hush: fix cut-n-paste error in last commit
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-09 22:00:58 +02:00
Denys Vlasenko
20b3d144e9 hush: add support for $RANDOM. If on:
function                                             old     new   delta
hush_main                                            983    1024     +41
get_local_var_value                                   72     104     +32
block_signals                                        155     161      +6
reset_traps_to_defaults                              211     214      +3
builtin_wait                                         268     271      +3
pseudo_exec_argv                                     198     200      +2
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(add/remove: 0/0 grow/shrink: 6/0 up/down: 87/0)               Total: 87 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-09 20:59:39 +02:00
Denys Vlasenko
dea478855f hush: support $PPID
function                                             old     new   delta
get_local_var_value                                   33      72     +39
hush_main                                            951     983     +32
block_signals                                        152     155      +3
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(add/remove: 0/0 grow/shrink: 3/0 up/down: 74/0)               Total: 74 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-09 15:40:49 +02:00
Denys Vlasenko
a7bb3c1396 *: code shrink via NOINLINE
function                                             old     new   delta
expand_vars_to_list                                    -    2118   +2118
lzo1x_optimize                                         -    1429   +1429
run_pipe                                             358    1775   +1417
arith_apply                                            -    1335   +1335
mainQSort3                                             -    1198   +1198
logdir_open                                            -    1163   +1163
rewrite                                                -    1039   +1039
dump_identity                                          -     987    +987
do_shm                                                 -     884    +884
cpio_o                                                 -     863    +863
cpio_main                                           1450     560    -890
ipcs_main                                           3442    2523    -919
bb_dump_dump                                        2611    1488   -1123
process_dev                                         4572    3405   -1167
logdirs_reopen                                      1308      86   -1222
arith                                               2084     707   -1377
mainSort                                            2622    1202   -1420
do_lzo_compress                                     2276     799   -1477
run_list                                            2491     943   -1548
expand_variables                                    2280     135   -2145
------------------------------------------------------------------------------
(add/remove: 9/0 grow/shrink: 1/10 up/down: 12433/-13288)    Total: -855 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-08 12:28:08 +02:00