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1621 Commits

Author SHA1 Message Date
Denys Vlasenko
3eab24e64a hush: make parse errors in sourced file non-fatal in interactive script 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-03-24 05:25:59 +01:00
Denys Vlasenko
68d5cb5dac hush: fix a case where return in sourced file has no effect 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-03-24 02:50:03 +01:00
Denys Vlasenko
20704f0662 ash,hush: recheck LANG before every line input 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-03-23 17:59:27 +01:00
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
976ec23da5 remove stray empty line 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-03-07 13:12:01 +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
aefe1c260e ash: fix execution of shell scripts without shebang 
We were assuming #!/bin/sh, whereas we had to simply re-enter ash.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-03-07 12:02:40 +01:00
Denys Vlasenko
940c7206c2 convert "do {...} while (1);" -> "while (1) {...}" 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-03-02 04:07:14 +01:00
Denys Vlasenko
bac0a25f72 slightly better wording in comments 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-02-21 03:47:50 +01:00
Denys Vlasenko
b12553faa8 ash: fix ash-signals/signal8 testcase failure 
function                                             old     new   delta
killcmd                                              109     224    +115
kill_main                                            882     910     +28
changepath                                           194     195      +1
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/0 up/down: 144/0)             Total: 144 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-02-21 03:22:20 +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
046341e8bd ash: optional support for $TMOUT variable 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-02-04 17:53:59 +01:00
Denys Vlasenko
8c52f80397 ash: cosmetic cleanups 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-02-04 17:36:21 +01:00
Denys Vlasenko
b7c9fb27cb whitespace fixes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-02-03 00:05:48 +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
8d0e0cdadf move utmp.h include to libbb.h 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-01-25 23:21:46 +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
6088e138e1 init: simpler handling of leading dash in commands 
function                                             old     new   delta
init_exec                                            233     219     -14

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-12-25 23:58:42 +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
fb132e4737 whitespace cleanup 
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
 2010-10-29 11:46:52 +02:00
Denys Vlasenko
e4dcba1c10 *: whitespace fixes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-10-28 18:57:19 +02:00
Denys Vlasenko
cacb2cd281 *: whitespace fixes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-10-05 00:13:02 +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
2bcba5cc53 hush: add brace expansion testcase 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-10-03 17:07:57 +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
b563f62bbb ash: fix signal and "set -e" interaction 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-09-25 17:15:13 +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
395b97aeac shell/math: better comment. no code changes 
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
 2010-09-17 18:02:17 +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
0eac8ff164 shell/math.c: stop using bss variable 
function                                             old     new   delta
evaluate_string                                        -     678    +678
expand_one_var                                      1543    1563     +20
builtin_type                                         114     116      +2
expand_and_evaluate_arith                             89      87      -2
prev_chk_var_recursive                                 4       -      -4
ash_arith                                            122     118      -4
arith_lookup_val                                     142     132     -10
arith                                                674      12    -662
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 2/4 up/down: 700/-682)           Total: 18 bytes

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
 2010-09-13 12:49:52 +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
bd14770b0c shell/math.c: small code shrink; fixed incomprehensible comments 
function                                             old     new   delta
arith_apply                                         1334    1304     -30

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
 2010-09-13 11:11:40 +02:00
Denys Vlasenko
51850c818c shell: small code shrink 
function                                             old     new   delta
arith                                                680     675      -5

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
 2010-09-13 01:09:11 +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
2d8187c139 shell/match.c: shrink by dropping double bool inversion 
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
 2010-09-12 15:06:42 +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
958581a8d9 ash: shrink by folding an if check into setprompt; unindent big block 
function                                             old     new   delta
setprompt_if                                           -      66     +66
parseheredoc                                         126     124      -2
parsecmd                                              68      66      -2
redirect                                            1254    1249      -5
xxreadtoken                                          351     343      -8
readtoken1                                          3219    3204     -15
setprompt                                             62       -     -62
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 0/5 up/down: 66/-94)            Total: -28 bytes

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
 2010-09-12 15:04:27 +02:00
Denys Vlasenko
6040fe88f4 ash: add missing casts to match CTLfoo; add TODO comments 
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
 2010-09-12 15:03:16 +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
cc461736d6 hush: fixes to testsuite 
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
 2010-09-10 10:19:22 +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
Dan Fandrich
77d4872691 Avoid side effects in putc(), which may be implemented as a macro 
Signed-off-by: Dan Fandrich <dan@coneharvesters.com>
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
 2010-09-09 11:48:02 +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
8d3e225a2d libbb: add xfstat function 
function                                             old     new   delta
xfstat                                                 -      25     +25
mkfs_ext2_main                                      2421    2423      +2
mkfs_reiser_main                                    1197    1194      -3
next                                                 312     307      -5
ar_main                                              533     522     -11
mkfs_minix_main                                     2938    2924     -14
mkfs_vfat_main                                      1511    1495     -16
writeTarFile                                         272     255     -17
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 1/6 up/down: 27/-66)            Total: -39 bytes

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
 2010-08-31 12:42:06 +02:00
Denys Vlasenko
0ff78a0166 ash: small code shrink (-21 bytes) 
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
 2010-08-30 15:20:07 +02:00
Denys Vlasenko
f7a8433535 ash: add another ${v/a/b} test we currently fail 
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
 2010-08-30 13:54:12 +02:00
Denys Vlasenko
b32a543663 nandwrite: complain on malformed -s NUM 
Elsewhere: use common error message. -30 bytes net size change

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-08-29 13:29:02 +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
33bbb27e45 ash: fix another bit of var_bash4 bug 
But it _still_ doesn't pass! quoted case is a tough nut to crack

function                                             old     new   delta
redirect                                            1281    1286      +5
subevalvar                                          1141    1142      +1

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-08-07 22:24:36 +02:00