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480 Commits

Author SHA1 Message Date
Denys Vlasenko
77539190ab added comments about [[ ]] to ash and hush. no code changes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-06-10 14:09:48 +02:00
Denys Vlasenko
9ca656b149 hush: add HUSH_BASH_COMPAT, make [[ special handling depend on it 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-06-10 13:39:35 +02:00
Denys Vlasenko
9d617c44d2 hush: specially handle [[ - suppress globbing & multiword expansion 
It's a bashism, but is surprisingly easy to do and costs very little code.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-06-09 18:40:52 +02:00
Denys Vlasenko
764b2f0ec0 hush: drop REDIRECT_INVALID; other minor tweaks 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-06-07 16:05:04 +02:00
Denys Vlasenko
df5131cf3d hush: fix a segfault in export builtin 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-06-07 16:04:17 +02:00
Denys Vlasenko
d6b05eb9c2 hush: make builtins work in pipes (eval ... | ...) on NOMMU 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-06-06 20:59:55 +02:00
Denys Vlasenko
d5f1b1bbe0 *: add FAST_FUNC to function ptrs where it makes sense 
function                                             old     new   delta
evalcommand                                         1195    1209     +14
testcmd                                                -      10     +10
printfcmd                                              -      10     +10
echocmd                                                -      10     +10
func_exec                                            270     276      +6
echo_dg                                              104     109      +5
store_nlmsg                                           85      89      +4
pseudo_exec_argv                                     195     198      +3
dotcmd                                               287     290      +3
machtime_stream                                       29      31      +2
discard_stream                                        24      26      +2
argstr                                              1299    1301      +2
killcmd                                              108     109      +1
evalfor                                              226     227      +1
daytime_stream                                        43      44      +1
run_list                                            2544    2543      -1
lookupvar                                             62      61      -1
ipaddr_modify                                       1310    1309      -1
...
parse_stream                                        2254    2245      -9
evalpipe                                             356     347      -9
collect_if                                           210     197     -13
read_opt                                             869     851     -18
handle_dollar                                        681     658     -23
print_addrinfo                                      1342    1303     -39
iterate_on_dir                                       156      59     -97
print_route                                         1709    1609    -100
------------------------------------------------------------------------------
(add/remove: 3/0 grow/shrink: 12/130 up/down: 74/-767)       Total: -693 bytes
   text    data     bss     dec     hex filename
 841748     467    7872  850087   cf8a7 busybox_old
 841061     467    7872  849400   cf5f8 busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-06-05 12:06:05 +02:00
Denys Vlasenko
0821801349 hush: document a TODO in export builtin 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-06-03 14:43:56 +02:00
Denys Vlasenko
6f22624a91 hush: fix a case when backgrounded cmd makes shell hang 
Signed-off-by: Bayram Kurumahmut <kbayram@ubicom.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-06-03 14:37:30 +02:00
Denys Vlasenko
295fef80bc hush: add support for local builtin 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-06-03 12:47:26 +02:00
Mike Frysinger
6a46ab8b8f hush: unify syntax_error_unterm_{ch,str} a bit 
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
 2009-06-01 14:16:43 -04:00
Mike Frysinger
ef3e7fdd3b hush: push down expansion var in handle_dollar() 
Declare the variable in the scope it is used rather than the entire
function scope so it's obvious it is only used there.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
 2009-06-01 14:16:43 -04:00
Mike Frysinger
dc3bc40578 hush: add support for special vars in braces 
Some people like to use ${?} rather than $?, so make sure we support all
the special single char vars that use this form.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
 2009-06-01 14:16:43 -04:00
Denys Vlasenko
28a105d867 nc, hush: cosmetic cleanups, no code changes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-06-01 11:26:30 +02:00
Denys Vlasenko
4b7db4f2ca read_key: drop optimization where we read 3 bytes at once 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-05-29 10:39:06 +02:00
Denys Vlasenko
171932d7ca hust: trivial simplification in builtin_type 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-05-28 17:07:22 +02:00
Denys Vlasenko
e640cb4ad1 hush: fix bug 353 (wrong handling of \x in assignments) 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-05-28 16:49:11 +02:00
Denys Vlasenko
5d7cca2090 hush: optimize type builtin a bit more 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-05-28 09:58:43 +02:00
Denys Vlasenko
dd6b211921 hush: optimize type builtin a bit 
function                                             old     new   delta
builtin_type                                         130     125      -5

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-05-28 09:45:50 +02:00
Mike Frysinger
93cadc2fdd hush: implement type 
Implement support for the POSIX `type` command.  Only POSIX stuff is
supported here, no bash extensions like -p or -P.

In the process, split the $PATH searching code out of builtin_source() and
into its own find_in_path() function so we don't duplicate it.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
 2009-05-27 17:06:25 -04:00
Denys Vlasenko
673e945052 hush: remove outdated TODO and superfluous macro; fix compile breakage 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-05-27 14:39:35 +02:00
Denys Vlasenko
68759edb6e hush: tweak comment 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-05-26 14:39:41 +02:00
Denys Vlasenko
e2df5f46d0 hush: rename last_waitpid_was_0 to we_have_children 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-05-26 14:34:10 +02:00
Denys Vlasenko
8d7be232a3 hush: fix SIGCHLD counting code, but keep it disabled for now. 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-05-25 16:38:32 +02:00
Denys Vlasenko
e9bda90e54 hush: fix problems with case in subshells and with "case esac" 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-05-23 16:50:07 +02:00
Mike Frysinger
38478a600f hush: fix build failure when jobs are disabled 
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Reported-by: Thomas Chou <thomas@wytron.com.tw>
 2009-05-20 04:48:06 -04:00
root
6245202e7f hush: small fix for unset -f on NOMMU. 
Signed-off-by: root <root@localhost.localdomain>
 2009-05-04 12:00:19 +02:00
Denys Vlasenko
acdc49c073 hush: add more complex case to leak testcase, fix found breakage 
function                                             old     new   delta
unset_local_var_len                                    -     167    +167
run_list                                            2350    2457    +107
set_vars_and_save_old                                  -      87     +87
free_pipe                                            207     227     +20
builtin_unset                                        220     229      +9
builtin_exit                                          49      47      -2
free_strings_and_unset                                53       -     -53
set_vars_all_and_save_old                             87       -     -87
unset_local_var                                      168       -    -168
------------------------------------------------------------------------------
(add/remove: 2/3 grow/shrink: 3/1 up/down: 390/-310)           Total: 80 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-05-04 01:58:10 +02:00
Denys Vlasenko
cb6ff25afe hush: fix bug where in "var=val func" var's value is not visible in func 
function                                             old     new   delta
unset_local_var                                        -     168    +168
set_vars_all_and_save_old                              -      87     +87
get_ptr_to_local_var                                   -      77     +77
free_strings_and_unset                                 -      53     +53
builtin_export                                       266     274      +8
get_local_var_value                                   31      33      +2
putenv_all                                            27       -     -27
free_strings_and_unsetenv                             53       -     -53
get_local_var                                         68       -     -68
run_list                                            2475    2350    -125
builtin_unset                                        380     220    -160
------------------------------------------------------------------------------
(add/remove: 4/3 grow/shrink: 2/2 up/down: 395/-433)          Total: -38 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-05-04 00:14:30 +02:00
Denys Vlasenko
e19e1935a3 hush: fix \<newline> handling 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-05-03 02:15:18 +02:00
Denys Vlasenko
b1cfc45376 hush: fix handling of unterminated subshell: (<eof>. Fixes bug 229. 
function                                             old     new   delta
syntax_error_unexpected_ch                            31      41     +10
parse_stream                                        2184    2191      +7

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-05-02 17:18:34 +02:00
Denys Vlasenko
1dd6cf8677 hush: fix multiple redirections of the same fd (bug 227) 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-05-02 14:17:31 +02:00
Denys Vlasenko
54e0843e7d hush: make . cmd search $PATH 
function         old     new   delta
builtin_source   128     249    +121

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-05-02 02:34:19 +02:00
Denys Vlasenko
690ad2426e git commit test 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-04-30 21:24:24 +02:00
Denis Vlasenko
c8653f62f2 hush: make it possible to have interactive shell on non-ctty. 
init=/bin/hush: shows prompt, history works, etc.

function                                             old     new   delta
hush_main                                            888     925     +37
block_signals                                        139     152     +13
builtin_fg_bg                                        284     293      +9
checkjobs_and_fg_shell                                35      41      +6
sigexit                                               65      66      +1
reset_traps_to_defaults                              165     164      -1
parse_stream                                        2200    2184     -16
run_list                                            2502    2475     -27
getpgid                                               35       -     -35
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 5/3 up/down: 66/-79)            Total: -13 bytes
 2009-04-27 23:29:14 +00:00
Denis Vlasenko
28e67966f3 hush: make getopt32 usable in builtins. use it in unset. 
more uses are expected in the future.

function                                             old     new   delta
getopt32                                            1356    1393     +37
builtin_export                                       256     266     +10
builtin_unset                                        418     380     -38
 2009-04-26 23:22:40 +00:00
Denis Vlasenko
572930027d hush: nommu fix for function passing 2009-04-26 20:06:14 +00:00
Denis Vlasenko
5b7589eb27 hush: fix SEGV in % expansion 
function                                             old     new   delta
expand_variables                                    2203    2217     +14
 2009-04-26 11:25:19 +00:00
Mike Frysinger
26cf2831d7 do not tell people they can enter "help" if help has actually been disabled 2009-04-24 06:40:30 +00:00
Mike Frysinger
67c1c7b456 use get_local_var_value() rather than getenv() when working with PS1/PS2/HOME, respect the PS2 env var, and make sure that the prompt changes whenever PS1/PS2 changes so we dont have to re-exec the shell to get a changed prompt 2009-04-24 06:26:18 +00:00
Denis Vlasenko
f9d4fc3cf8 switch_root: improve behavior on error; improve help text 
*: make "can't execute '%s'" message uniform
 2009-04-21 20:40:51 +00:00
Denis Vlasenko
950bd72966 hush: speed up set_local_var 
function                                             old     new   delta
set_local_var                                        265     290     +25
 2009-04-21 11:23:56 +00:00
Denis Vlasenko
5e34ff29bc *: mass renaming of USE_XXXX to IF_XXXX 
and SKIP_XXXX to IF_NOT_XXXX - the second one was especially
badly named. It was not skipping anything!
 2009-04-21 11:09:40 +00:00
Denis Vlasenko
ad4bd0548a hush: export -n support 
function                                             old     new   delta
builtin_export                                       206     256     +50
set_local_var                                        248     265     +17
expand_variables                                    2204    2203      -1
 2009-04-20 22:04:21 +00:00
Denis Vlasenko
8c64e033c0 hush: fix stdin of backgrounded pipe 
function                                             old     new   delta
run_list                                            2450    2502     +52
 2009-04-20 00:34:01 +00:00
Denis Vlasenko
dcd78c4d0f hush: fix "export not_yet_defined_var", fix parsing of "cmd | }" 
corner case; improve hush_leaktool.sh;
 fix some false positives in testsuite

function                                             old     new   delta
builtin_export                                       191     206     +15
parse_stream                                        2196    2200      +4
 2009-04-19 23:07:51 +00:00
Denis Vlasenko
9f8d938172 same as previous, but -100 bytes 2009-04-19 14:03:11 +00:00
Denis Vlasenko
bf25fbccb9 hush: fix handling of } which is not a closing one in { cmd; } 
function                                             old     new   delta
parse_stream                                        2176    2302    +126
builtin_unset                                        381     387      +6
 2009-04-19 13:57:51 +00:00
Mike Frysinger
885b6f29ae fix build errors when function support is turned off 2009-04-18 21:04:25 +00:00
Denis Vlasenko
6008d8a3cc hush: fix thinko in error msg 2009-04-18 13:05:10 +00:00