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1025 Commits

Author SHA1 Message Date
Denys Vlasenko
574b9c446d hush: fix var_LINENO3.tests failure 
function                                             old     new   delta
parse_and_run_string                                  40      62     +22
i_getch                                              105     102      -3
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/1 up/down: 22/-3)              Total: 19 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2021-09-07 21:44:44 +02:00
Denys Vlasenko
e53c7dbafc hush: fix set -n to act immediately, not just after run_list() 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2021-09-07 02:25:52 +02:00
Denys Vlasenko
21afddefd2 hush: fix "error: invalid preprocessing directive ##" 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2021-08-15 20:08:53 +02:00
Denys Vlasenko
37460f5daf hush: tweak ${var/pattern/repl} optimization 
function                                             old     new   delta
expand_one_var                                      2507    2502      -5

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2021-07-27 18:13:39 +02:00
Denys Vlasenko
49cc3cac30 hush: optimize ${var/pattern/repl} for trivial patterns 
function                                             old     new   delta
expand_one_var                                      2353    2507    +154

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2021-07-27 17:53:55 +02:00
Denys Vlasenko
8dd676c6c3 hush: add missed "undef" 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2021-07-27 04:09:45 +02:00
Denys Vlasenko
b278d82c61 hush: implement $'str' bashism 
function                                             old     new   delta
parse_dollar_squote                                    -     441    +441
encode_then_expand_vararg                            359     380     +21
parse_stream                                        2252    2271     +19
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 2/0 up/down: 481/0)             Total: 481 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2021-07-26 15:32:46 +02:00
Denys Vlasenko
97c3b5e3ff hush: fix bkslash+newline handling and number validation in ${NN} and ${#NN} 
Entering "${1a}" into interactive shell was making it exit.

function                                             old     new   delta
parse_dollar                                         824     958    +134
i_getch_and_eat_bkslash_nl                             -      44     +44
parse_expr                                           917     938     +21
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 2/0 up/down: 199/0)             Total: 199 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2021-06-19 15:45:45 +02:00
Denys Vlasenko
83a4967e50 hush: fix handling of "cmd && &" 
function                                             old     new   delta
done_pipe                                            213     231     +18

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2021-06-15 18:14:27 +02:00
Denys Vlasenko
1b7a9b68d0 hush: fix handling of \^C and "^C" 
function                                             old     new   delta
parse_stream                                        2238    2252     +14
encode_string                                        243     256     +13
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/0 up/down: 27/0)               Total: 27 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2021-06-15 16:46:30 +02:00
Denys Vlasenko
1f60d88cf6 *: more --help tweaks 
function                                             old     new   delta
packed_usage                                       33552   33541     -11

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2021-06-15 10:00:18 +02:00
Denys Vlasenko
e2b9215868 *: --help tweaks 
function                                             old     new   delta
packed_usage                                       33589   33552     -37

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2021-06-14 20:47:20 +02:00
Denys Vlasenko
457825f77a shells: do not allow bare "read" in non-bash compat configs 
On Sat, Feb 9, 2019 Cristian Ionescu-Idbohrn wrote:
    > In my case (at work), I have to watch and prevent people from doing
    > unportable things.  For me, that's a burden.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2021-06-06 12:08:43 +02:00
Denys Vlasenko
f0c0c56e9b hush: beautify ^D handling to match ash / bash 
function                                             old     new   delta
fgetc_interactive                                    227     244     +17

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2021-04-13 16:42:17 +02:00
Denys Vlasenko
cbfdeba660 hush: make LINENO selectable without BASH-COMPAT 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2021-03-10 16:31:05 +01:00
Ron Yorston
cad3fc743a libbb: introduce and use fputs_stdout 
function                                             old     new   delta
fputs_stdout                                           -      12     +12
zxc_vm_process                                      7237    7230      -7
yes_main                                              85      78      -7
write_block                                          380     373      -7
wrapf                                                305     298      -7
strings_main                                         437     430      -7
show_bridge                                          353     346      -7
rev_main                                             384     377      -7
put_prompt_custom                                     58      51      -7
put_cur_glyph_and_inc_cursor                         168     161      -7
print_numbered_lines                                 152     145      -7
print_named_ascii                                    130     123      -7
print_name                                           135     128      -7
print_login_issue                                    386     379      -7
print_ascii                                          208     201      -7
powertop_main                                       1249    1242      -7
od_main                                             1789    1782      -7
logread_main                                         518     511      -7
head_main                                            804     797      -7
display_process_list                                1319    1312      -7
cut_main                                            1002     995      -7
bb_dump_dump                                        1550    1543      -7
bb_ask_noecho                                        393     386      -7
baseNUM_main                                         702     695      -7
expand_main                                          755     745     -10
dumpleases_main                                      497     487     -10
write1                                                12       -     -12
putcsi                                                37      23     -14
print_login_prompt                                    55      41     -14
paste_main                                           525     511     -14
cat_main                                             440     426     -14
print_it                                             245     230     -15
print_addrinfo                                      1188    1171     -17
print_rule                                           770     750     -20
print_linkinfo                                       842     822     -20
httpd_main                                           791     771     -20
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 0/34 up/down: 12/-341)         Total: -329 bytes

Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2021-02-03 20:52:40 +01:00
Denys Vlasenko
3b053051c7 hush: code shrink 
function                                             old     new   delta
hush_main                                           1071    1066      -5
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-5)               Total: -5 bytes
   text	   data	    bss	    dec	    hex	filename
1020110	    559	   5020	1025689	  fa699	busybox_old
1020037	    559	   5020	1025616	  fa650	busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2021-01-04 03:05:34 +01:00
Denys Vlasenko
3c13da3dab libbb: introduce and use xgettimeofday(), do not truncate 64-bit time_t in shells 
function                                             old     new   delta
xgettimeofday                                          -      11     +11
get_local_var_value                                  280     281      +1
svlogd_main                                         1323    1322      -1
change_epoch                                          67      66      -1
timestamp_and_log                                    461     458      -3
hwclock_main                                         301     298      -3
fmt_time_bernstein_25                                135     132      -3
step_time                                            331     326      -5
script_main                                         1207    1202      -5
machtime                                              34      28      -6
curtime                                               61      54      -7
ts_main                                              423     415      -8
nmeter_main                                          761     751     -10
gettime1900d                                          67      46     -21
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 1/12 up/down: 12/-73)           Total: -61 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2020-12-30 23:48:01 +01:00
Denys Vlasenko
77a51a2709 randomconfig fixes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2020-12-29 16:53:11 +01:00
Denys Vlasenko
c7ef818768 hush: make comment more clear 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2020-12-27 16:04:54 +01:00
Denys Vlasenko
1237d627e9 hush: fix this case: echo "SCRIPT" | hush 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2020-12-25 19:01:49 +01:00
Denys Vlasenko
46a71dc30c hush: if !EDITING, do not regenerate prompt for every input char 
function                                             old     new   delta
fgetc_interactive                                    261     258      -3
pseudo_exec_argv                                     406     399      -7
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-10)             Total: -10 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2020-12-25 18:49:29 +01:00
Denys Vlasenko
521220ed1a hush: fix ^C in INTERACTIVE, !EDITING config 
function                                             old     new   delta
refill_HFILE_and_getc                                 88     170     +82
fgetc_interactive                                    226     250     +24
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/0 up/down: 106/0)             Total: 106 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2020-12-23 23:44:55 +01:00
Denys Vlasenko
18bcaf374c hush: revert "make interactive ^C break out of PS2 mode" 
It made ^C break out of the entire shell, if we aren't in PS2 mode.
Need a better idea.

function                                             old     new   delta
expand_one_var                                      2344    2353      +9
syntax_error_unterm_ch                                21      29      +8
parse_dollar                                         817     824      +7
parse_stream                                        2251    2238     -13
fgetc_interactive                                    249     227     -22
syntax_error_unterm_str                               26       -     -26
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 3/2 up/down: 24/-61)            Total: -37 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2020-12-23 23:01:18 +01:00
Denys Vlasenko
649acb9e23 hush: fix PS1 prompth in !EDITING config 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2020-12-23 15:29:13 +01:00
Denys Vlasenko
a7b52d26c4 hush: fix fallout from tweaking ${var:START:LEN} code 
function                                             old     new   delta
expand_one_var                                      2344    2353      +9

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2020-12-23 12:38:03 +01:00
Denys Vlasenko
93e2a22482 shell: for signal exitcode, use 128 | sig, not 128 + sig - MIPS has signal 128 
function                                             old     new   delta
wait_for_child_or_signal                             213     214      +1
refill_HFILE_and_getc                                 89      88      -1
getstatus                                             97      96      -1
builtin_wait                                         339     337      -2
checkjobs                                            187     183      -4
process_wait_result                                  450     444      -6
waitcmd                                              290     281      -9
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/6 up/down: 1/-23)             Total: -22 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2020-12-23 12:23:21 +01:00
Denys Vlasenko
0ab2dd4f28 hush: fix comment 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2020-12-23 02:22:08 +01:00
Denys Vlasenko
00eb23b47a bc: do not allocate line editing state until needed 
function                                             old     new   delta
xc_read_line                                         324     353     +29
free_line_input_t                                     34      39      +5
xc_vm_init                                           656     640     -16
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/1 up/down: 34/-16)             Total: 18 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2020-12-21 21:36:58 +01:00
Denys Vlasenko
07abc7c6f7 hush: deal with FIXMEs for corner cases in parameter expansion 
function                                             old     new   delta
expand_one_var                                      2323    2344     +21

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2020-12-21 10:14:18 +01:00
Denys Vlasenko
bb4e32befa hush: remove one redundant getpid() on every startup 
function                                             old     new   delta
hush_main                                           1151    1147      -4

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2020-12-20 16:36:00 +01:00
Denys Vlasenko
a8e19608fc hush: code shrink 
function                                             old     new   delta
run_applet_main                                        -      20     +20
builtin_kill                                         296     288      -8
builtin_test                                          19      10      -9
builtin_printf                                        19      10      -9
builtin_echo                                          19      10      -9
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/4 up/down: 20/-35)            Total: -15 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2020-12-14 03:52:54 +01:00
Denys Vlasenko
63139b531f hush: if login shell, also source ~/.profile 
function                                             old     new   delta
hush_main                                           1101    1151     +50

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2020-12-13 22:00:56 +01:00
Denys Vlasenko
49142d48bd hush: NOMMU fix for hush-psubst/tick6.tests 
function                                             old     new   delta
hush_main                                           1759    1766      +7

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2020-12-13 18:44:07 +01:00
Denys Vlasenko
9cabd17e55 hush: fix -c SCRIPT handling 
function                                             old     new   delta
hush_main                                           1763    1759      -4

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2020-12-13 18:24:11 +01:00
Denys Vlasenko
965b795b87 decrease paddign: gcc-9.3.1 slaps 32-byte alignment on arrays willy-nilly 
text	   data	    bss	    dec	    hex	filename
1021988	    559	   5052	1027599	  fae0f	busybox_old
1021236	    559	   5052	1026847	  fab1f	busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2020-11-30 13:03:03 +01:00
Denys Vlasenko
dc9c10a7b2 hush: make interactive ^C break out of PS2 mode 
function                                             old     new   delta
syntax_error_unterm_str                                -      26     +26
parse_stream                                        2238    2251     +13
fgetc_interactive                                    243     249      +6
parse_dollar                                         824     817      -7
syntax_error_unterm_ch                                29      21      -8
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 2/2 up/down: 45/-15)             Total: 30 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2020-11-16 13:00:44 +01:00
Denys Vlasenko
a7c065354f shell: update comments on the status of [[ ]] compat 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2020-10-31 04:32:34 +01:00
Denys Vlasenko
d2241f5902 shell: better support of [[ ]] bashism 
Still rather rudimentary for ash

function                                             old     new   delta
binop                                                433     589    +156
check_operator                                        65     101     +36
done_word                                            736     769     +33
test_main                                            405     418     +13
parse_stream                                        2227    2238     +11
ops_texts                                            124     133      +9
ops_table                                             80      86      +6
run_pipe                                            1557    1562      +5
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 8/0 up/down: 269/0)             Total: 269 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2020-10-31 03:34:07 +01:00
Denys Vlasenko
e16f7eb596 hush: output bash-compat killing signal names 
This significantly syncronises ash-signals and hush-signals tests.

function                                             old     new   delta
process_wait_result                                  449     450      +1

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2020-10-24 04:26:43 +02:00
Denys Vlasenko
b65d6cb00f hush: do not print killing signal name in cmd_whihc_dies_on_signal 
function                                             old     new   delta
process_wait_result                                  438     449     +11

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2020-10-24 03:33:32 +02:00
Denys Vlasenko
67e1529b92 nologin: make it possible to build it as single applet 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2020-06-24 15:05:22 +02:00
Denys Vlasenko
d5314e7129 suppress a few compile warnings 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2020-06-24 09:31:30 +02:00
Ron Yorston
9f3b410006 ash,hush: drop pointer check before calls to show_history 
show_history() checks that its argument in non-null so there's
no need to repeat the test at call sites.

function                                             old     new   delta
historycmd                                            25      17      -8
builtin_history                                       29      21      -8
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-16)             Total: -16 bytes

Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2020-04-30 17:30:02 +02:00
Denys Vlasenko
e4a0612efd hush: fix negative_arith.tests: glob-protect dash in "$((arith))" 
function                                             old     new   delta
expand_vars_to_list                                 1026    1082     +56
parse_dollar                                         810     811      +1
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/0 up/down: 57/0)               Total: 57 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2020-02-21 17:21:34 +01:00
Denys Vlasenko
3ced804e31 hush: make "exit" in trap use pre-trap exitcode - fix for nested trap 
function                                             old     new   delta
check_and_run_traps                                  276     278      +2

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2020-02-21 02:55:53 +01:00
Denys Vlasenko
cc9ecd9af1 hush: make "exit" in trap use pre-trap exitcode 
function                                             old     new   delta
check_and_run_traps                                  259     276     +17
builtin_exit                                          42      53     +11
hush_main                                           1086    1096     +10
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/0 up/down: 38/0)               Total: 38 bytes

Fixes exitcode_trap2.tests.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2020-02-21 02:18:06 +01:00
Denys Vlasenko
bb095f4838 hush: implement "return NUM in trap sets $? after trap" 
function                                             old     new   delta
builtin_return                                        47      67     +20
check_and_run_traps                                  243     259     +16
run_pipe                                            1583    1597     +14
hush_main                                           1076    1086     +10
run_list                                            1054    1055      +1
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 5/0 up/down: 61/0)               Total: 61 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2020-02-20 16:37:59 +01:00
Denys Vlasenko
23bc562a05 ash,hush: add comment about masked SIGCHLD, handle SIG_IGNed SIGHUP as in bash 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2020-02-18 16:46:01 +01:00
Ron Yorston
9e2a5668fd ash,hush: allow builtins to be tab-completed, closes 7532 
function                                             old     new   delta
complete_cmd_dir_file                                678     830    +152
get_builtin_name                                       -      35     +35
optschanged                                          125     132      +7
hush_main                                           1069    1076      +7
save_command_ps_at_cur_history                        76      78      +2
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 4/0 up/down: 203/0)             Total: 203 bytes

Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2020-01-29 15:23:17 +01:00