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370 Commits

Author SHA1 Message Date
Denys Vlasenko
2db74610cd hush: fix two redirection testcase failures 
function                                             old     new   delta
save_fds_on_redirect                                 183     256     +73
fcntl_F_DUPFD                                          -      46     +46
restore_redirects                                     74      96     +22
xdup_and_close                                        51      72     +21
setup_redirects                                      196     200      +4
hush_main                                            988     983      -5
static.C                                              12       -     -12
run_pipe                                            1595    1551     -44
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 4/2 up/down: 166/-61)           Total: 105 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-07-07 22:07:28 +02:00
Denys Vlasenko
111cdcf295 shell: sync redir/* tests 
Note: hush-redir/redir_to_bad_fd.tests currently fails

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-07-06 21:01:50 +02:00
Denys Vlasenko
50b8b2914b hush: add a TODO about redir3.tests failure 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-07-06 20:57:37 +02:00
Denys Vlasenko
a107ef2a6a hush: rename hush-redir/redir3.tests (ash has redir3.tests which id different) 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-07-06 20:36:40 +02:00
Denys Vlasenko
e59591a364 hush: Print error messages on shift -1 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-07-06 20:12:44 +02:00
Denys Vlasenko
74d20e6379 typo fix 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-07-06 19:50:42 +02:00
Denys Vlasenko
5dad7bdc3b hush: implement negative start in the ${v: -n[:m]} idiom 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-07-06 19:48:20 +02:00
Denys Vlasenko
3234045d07 hush: "adopt" ash var-utf8-length.tests 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-07-06 19:29:23 +02:00
Denys Vlasenko
7456298472 hush: "adopt" ash signal4.tests 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-07-06 18:40:45 +02:00
Denys Vlasenko
b18b04c8a8 shell: remove duplicate sigint1.tests (another copies are in signals/) 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-07-06 18:37:30 +02:00
Denys Vlasenko
cafb2d195d hush: add tickquote1.tests from ash testsuite 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-07-06 18:31:47 +02:00
Denys Vlasenko
959cb67428 shell: syncronize ash and hush heredoc1.tests 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-07-06 18:16:18 +02:00
Denys Vlasenko
9a8ece5158 shell: syncronize ash_test/run-all and hush_test/run-all a bit 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-07-06 17:59:25 +02:00
Denys Vlasenko
bd43c6784f hush: fix quoted_punct.tests failure 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-07-05 23:12:15 +02:00
Denys Vlasenko
fda9fafe27 ash: fix matching of unicode greek letter rho (cf 81) and similar cases 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-07-05 19:10:21 +02:00
Denys Vlasenko
f547041940 ash,hush: fix SIGCHLD interrupting read builtin 
function                                             old     new   delta
readcmd                                              169     217     +48
shell_builtin_read                                  1087    1097     +10
localcmd                                             366     364      -2
builtin_read                                         197     193      -4
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/2 up/down: 58/-6)              Total: 52 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-05-22 19:34:45 +02:00
Denys Vlasenko
10ad622dc2 Spelling fixes in comments, documentation, tests and examples 
By klemens <ka7@github.com>

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-04-17 16:13:32 +02:00
Denys Vlasenko
2b1559056c hush: fix a bug in argv restoration after sourcing a file 
if sourced file "shift"ed argvs so that $1 is NULL, restore wasn't done.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-01-09 08:13:21 +01:00
Denys Vlasenko
86584e134e ash: fix open fds leaking in redirects. Closes 9561 
commit e19923f665 deleted clearredir()
call in shellexec():

	ash: [REDIR] Remove redundant CLOEXEC calls
	Upstream commit:

	Now that we're marking file descriptors as CLOEXEC in savefd, we no longer
	need to close them on exec or in setinputfd.

but it missed one place where we don't set CLOEXEC. Fixing this.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-01-07 10:16:56 +01:00
Ron Yorston
ea7d2f6ec0 ash: fix error code regression 
The commit 'ash,hush: set exit code 127 in "sh /does/not/exist" case'
only partly implemented the dash commit '[ERROR] Allow the originator
of EXERROR to set the exit status'.  This resulted in incorrect error
codes for a syntax error:

   $ )
   $ echo $?
   0

or a redirection error for a special builtin:

   $ rm -f xxx
   $ eval cat <xxx
   $ echo $?
   0

Signed-off-by: Ron Yorston <rmy@pobox.com>
Reported-by: Martijn Dekker <martijn@inlv.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-01-03 11:18:23 +01:00
Denys Vlasenko
02affb4afd hush: rework "wait %jobspec" to work in non-interactive shells too 
Also add tests. wait5.tests so far fails (but works for ash and dash).

function                                             old     new   delta
builtin_wait                                         305     283     -22

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-08 00:59:29 +01:00
Denys Vlasenko
672a55e606 hush: allow { cmd } to not be terminated by semicolon in some cases 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-11-04 18:46:14 +01:00
Denys Vlasenko
7e6753609d hush: fix "wait PID" 
It was not properly interruptible, and did not update job status
(the exited processes were still thought of as running).

function                                             old     new   delta
process_wait_result                                    -     453    +453
wait_for_child_or_signal                               -     199    +199
run_list                                             996    1002      +6
checkjobs_and_fg_shell                                41      43      +2
builtin_wait                                         328     215    -113
checkjobs                                            516     142    -374
------------------------------------------------------------------------------
(add/remove: 2/0 grow/shrink: 2/2 up/down: 660/-487)          Total: 173 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-10-28 21:59:09 +02:00
Denys Vlasenko
350e686f3b ash: [PARSER] Recognise here-doc delimiters terminated by EOF 
Upstream commit 1:

    Date: Wed, 26 Sep 2007 17:14:16 +0800
    [PARSER] Recognise here-doc delimiters terminated by EOF

    Previously dash required a <newline> character to be present in order for
    a here-document delimiter to be detected.  Allowing EOF in the absence of
    a <newline> to play the same purpose allows some intuitive scripts to
    succeed.  POSIX seems to be silence on this so this should be OK.

    Test case:

        eval 'cat <<- NOT
                test
        NOT'
        echo OK

    Old result:

        test
        NOTOK

    New result:

        test
        OK

Upstream commit 2:

    Date: Sat, 20 Oct 2007 18:49:31 +0800
    [PARSER] Fix here-doc corruption

    The change

        [PARSER] Recognise here-doc delimiters terminated by EOF

    introduced a regerssion whereby lines starting with eofmark but are not equal
    to eofmark would be corrupted.  This patch fixes it.

    Test case:

        cat << _ACEOF
        _ASBOX
        _ACEOF

    Old result:

        SASBOX

    New result:

        _ASBOX

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-10-26 16:26:45 +02:00
Denys Vlasenko
f15aa57a7f ash: [PARSER] Fix parsing of ${##1} 
Upstream commit:

    Date: Thu, 4 Oct 2007 22:15:10 +0800
    [PARSER] Fix parsing of ${##1}

    Previously dash treated ${##1} as a length operation.  This patch fixes that.

    Test case:

        set -- a
        echo ${##1}OK

    Old result:

        1OK

    New result:

        OK

This was a real bug in ash (but not in hush).

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-10-26 15:56:53 +02:00
Denys Vlasenko
4135a75ab0 typo fixes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-10-26 13:15:35 +02:00
Denys Vlasenko
c775f829db sh testsuite: add tests for exitcode on failure to exec 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-10-03 00:55:34 +02:00
Denys Vlasenko
9793fc576a hush testsuite: fix another false positive 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-10-03 00:14:26 +02:00
Denys Vlasenko
d3b4e5ec6a hust testsuite: fix a false positive 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-10-03 00:10:20 +02:00
Denys Vlasenko
a62bc80571 ash testsuite: add most of hust tests which pass for ash 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-10-03 00:06:55 +02:00
Denys Vlasenko
db7f4c203b hush: add var4.tests, var5.tests 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-10-02 21:13:13 +02:00
Denys Vlasenko
61508d9624 hush: fix var3.tests 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-10-02 21:12:02 +02:00
Denys Vlasenko
df303ae117 sh testsuite: sync ash-redir/ and hush-redir/ 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-10-02 18:32:52 +02:00
Denys Vlasenko
c7a774dde4 sh testsuite: sync ash-misc/source* and hush-misc/source* 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-10-02 18:23:14 +02:00
Denys Vlasenko
0ba99705a1 sh testsuite: sync ash-vars/ and hush-vars/ 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-10-02 18:17:15 +02:00
Denys Vlasenko
c4cf542c57 sh testsuite: create hush-redir/* and move files around 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-10-02 17:55:51 +02:00
Denys Vlasenko
1b73f8471a sh testsuite: create hush-heredoc/* and move files around 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-10-02 17:49:46 +02:00
Denys Vlasenko
5d6b8729ed hush testsuite: add many tests from ash testsuite 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-10-02 17:39:31 +02:00
Denys Vlasenko
ae4bd34e6b hush testsuite: add glob_dir.tests 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-10-02 15:20:57 +02:00
Denys Vlasenko
0aaaa50b45 ash: expand: Fixed "$@" expansion when EXP_FULL is false 
Upstream commit:

    Date: Thu, 1 Jan 2015 07:53:10 +1100
    expand: Fixed "$@" expansion when EXP_FULL is false

    The commit 3c06acdac0b1ba0e0acdda513a57ee6e31385dce ([EXPAND]
    Split unquoted $@/$* correctly when IFS is set but empty) broke
    the case where $@ is in quotes and EXP_FULL is false.

    In that case we should still emit IFS as field splitting is not
    performed.

    Reported-by: Juergen Daubert <jue@jue.li>
    Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-10-02 02:46:56 +02:00
Denys Vlasenko
ff59b7b112 ash,hush: add a test that "continue" does not cripple traps 
Both shells pass this test.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-10-01 23:28:02 +02:00
Denys Vlasenko
3ed7e2749a ash testsuite: add return_in_trap1.tests 
Currently it fails

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-10-01 22:36:14 +02:00
Denys Vlasenko
04b46bced9 hush: 'return' should have effect earlier 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-10-01 22:28:03 +02:00
Denys Vlasenko
88ac97d02d ash: [EXPAND] Do not split quoted VSLENGTH and VSTRIM 
Upstream patch:

    Date: Wed, 8 Oct 2014 15:42:08 +0800
    [EXPAND] Do not split quoted VSLENGTH and VSTRIM

    Currently VSLENGTH and VSTRIM* are field-split even within quotes.
    This is obviously wrong.  This patch fixes that.

    Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-10-01 20:55:02 +02:00
Denys Vlasenko
c4d4380a07 ash: [EXPAND] Split unquoted $@/$* correctly when IFS is set but empty 
Upstream commit:

    Date: Wed, 8 Oct 2014 15:24:23 +0800
    [EXPAND] Split unquoted $@/$* correctly when IFS is set but empty

    Currently we do not field-split $@/$* when it isn't quoted and IFS
    is set but empty.  This is obviously wrong.  This patch fixes this.

    Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-10-01 20:35:10 +02:00
Denys Vlasenko
a2633aa819 hush: add func6.tests 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-10-01 20:12:10 +02:00
Denys Vlasenko
7a24e8ffeb shell testsuite: add trailing newline to var_unbackslash1.tests 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-09-29 20:02:53 +02:00
Denys Vlasenko
459293b1c5 ash: fix arithmetic closing )) split by backslash-newline 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-09-29 17:58:58 +02:00
Denys Vlasenko
8286513838 hush: rework input char buffering to allow more than one-deep peek 
This fixes backslash+newline continuation in
	$VAR\
	NAME
construct. (ash has a bug there as well).

function                                             old     new   delta
file_peek2                                             -      74     +74
parse_dollar                                         746     773     +27
expand_vars_to_list                                 1143    1167     +24
setup_string_in_str                                   32      46     +14
setup_file_in_str                                     33      47     +14
file_get                                             264     278     +14
static_peek2                                           -       7      +7
file_peek                                             91      72     -19
------------------------------------------------------------------------------
(add/remove: 2/0 grow/shrink: 5/1 up/down: 174/-19)           Total: 155 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-09-29 16:59:06 +02:00
Denys Vlasenko
78c9c736ab hush: fix 'eval ""' handling 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-09-29 01:44:17 +02:00
Denys Vlasenko
992e0ff7e9 hush: fix ". EMPTY_LINE" not setting $? to 0 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-09-29 01:27:09 +02:00
Denys Vlasenko
928e2a7ef4 ash: [EVAL] Make eval with empty arguments return 0 
This is a backport of upstream commit:

    [EVAL] Make eval with empty arguments return 0

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-09-29 00:30:31 +02:00
Denys Vlasenko
eb17b6f6c9 ash: eval: Return status in eval functions 
Backported from dash:

    eval: Return status in eval functions

    The exit status is currently clobbered too early for case statements
    and loops.  This patch fixes it by making the eval functions return
    the current exit status and setting them in one place -- evaltree.

    Harald van Dijk pointed out a number of bugs in the original patch.

function                                             old     new   delta
evalcommand                                         1226    1242     +16
cmdloop                                              383     398     +15
evalfor                                              223     227      +4
evalcase                                             271     275      +4
localcmd                                             348     350      +2
evaltreenr                                           927     928      +1
evaltree                                             927     928      +1
evalsubshell                                         150     151      +1
evalpipe                                             356     357      +1
parse_command                                       1585    1584      -1
evalloop                                             177     164     -13
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 9/2 up/down: 45/-14)             Total: 31 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-09-28 19:41:57 +02:00
Denys Vlasenko
aa3576a29b hush: fix "redirects can close script fd" bug 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-08-22 19:54:12 +02:00
Denys Vlasenko
215b0ca6e4 hush: fix a bug in FEATURE_SH_STANDALONE=y config. Closes 9186 
Run this in a "sh SCRIPT":

sha256sum /dev/null
echo END

sha256sum is a NOEXEC applet. It runs in a forked child. Then child exit()s.
By this time, entire script is read, and buffered in a FILE object
from fopen("SCRIPT"). But fgetc() did not consume entire input.
exit() lseeks back by -9 bytes, from <eof> to 'e' in 'echo'.
(this may be libc-specific).
This change of fd position *is shared with the parent*!

Now parent can read more, and it thinks there is another "echo END".
End result: two "echo END"s are run.

Fix this by _exit()ing instead.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-08-19 18:43:06 +02:00
Denys Vlasenko
bc9bee01f3 hush-misc/func_args1.tests: remove "UNFIXED BUG", it does not fail 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-11-04 14:50:19 +01:00
Denys Vlasenko
112889d706 hush: copy for.tests from ash testsuite 
This test passes for hush

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-29 22:37:25 +01:00
Denys Vlasenko
450a367a11 typo fix 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-13 01:49:06 +02:00
Denys Vlasenko
b5be13ccd9 hush: fix a nommu bug where a part of function body is lost if run in a pipe 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-09-04 06:22:10 +02:00
Denys Vlasenko
26c423d9a8 ash,hush: add a test which fails for ash since commit 549deab 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-09-04 03:33:02 +02:00
Denys Vlasenko
9a595bb36d hush: add recent ash tests to hush testsuite too (they all pass for hush) 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-05-18 10:23:16 +02:00
Denys Vlasenko
73327a048b hush: document buggy handling of duplicate "local" 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-04-18 19:38:13 +02:00
Denys Vlasenko
c538d5bcc3 hush: make ${#var} unicode-aware 
This mimics bash

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2014-08-13 09:57:44 +02:00
Denys Vlasenko
3beab83e4f hush: fix for "while false && true; do echo BUG; break; done". closes 6170 
function                                             old     new   delta
run_list                                             959     941     -18

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-04-07 18:16:58 +02:00
Denys Vlasenko
88b532d59a hush: source builtin should override $N only if it has args 
function                                             old     new   delta
builtin_source                                       174     184     +10

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-03-17 14:11:04 +01:00
Denys Vlasenko
6e42b89b8d hush: fix remaining known two bugs with IFS expansion. Closes 4027. 
function                                             old     new   delta
expand_vars_to_list                                 1054    1140     +86
parse_stream                                        2425    2479     +54
expand_on_ifs                                        258     310     +52
builtin_umask                                        133     132      -1
done_word                                            820     779     -41
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/2 up/down: 192/-42)           Total: 150 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-08-01 18:16:43 +02:00
Denys Vlasenko
4fb53fb08c hush: partially fix wrong expansion on $IFS (bug 4027). 
In the added testcase, before patch we failed 8 out of 9 tests,
now we fail only 2 (4th and 5th).

function                                             old     new   delta
expand_on_ifs                                        225     258     +33
expand_vars_to_list                                 1038    1054     +16
o_save_ptr_helper                                    115     119      +4
builtin_umask                                        132     133      +1
o_addQstr                                            165     161      -4
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 4/1 up/down: 54/-4)              Total: 50 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-08-01 14:06:20 +02:00
Denys Vlasenko
00ae989ee5 hush: fix a corner case of empty "do \n done" structure 
The structure is:

    while cmd; do
    done

bash doesn't accept it at all. We were accepting it but execution
was buggy.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-05-31 17:35:45 +02:00
Denys Vlasenko
29f9b7268a hush: fix misparsing of "... do eval a= ...". Closes 3721 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-05-14 11:27:36 +02:00
Denys Vlasenko
bcf1fa80f3 hush: add tests for interrupting read 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-05-09 01:05:33 +02:00
Denys Vlasenko
c162bcdcd1 hush: document a bug about aborting on sourced file error when non-interactive 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-03-24 05:38:51 +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
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
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
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
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
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
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
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
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
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
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
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
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
ba2dcccd79 *: trailing empty lines removed 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-07-26 01:49:12 +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
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
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
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
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
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
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
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
0f01b00d74 add two more tests which currently fail 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-05-17 04:57:55 +02:00
Denys Vlasenko
3581c62515 whitespace fixes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-01-25 13:39:24 +01:00
Denys Vlasenko
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
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
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
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
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
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
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
Denys Vlasenko
3a7034c27b typo fix in a comment in a testcase. oh well... 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-09-30 02:48:59 +02:00
Denys Vlasenko
e74aaf9385 ash,hush: make trap output short signal names, without SIG prefix 
function                                             old     new   delta
evalvar                                             1373    1371      -2
builtin_trap                                         457     441     -16
trapcmd                                              260     236     -24

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-09-27 02:05:45 +02:00
Denys Vlasenko
67f7186403 hush: do not reset to default "" traps in subshell 
function                                             old     new   delta
reset_traps_to_defaults                              164     211     +47
builtin_umask                                        123     121      -2

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-09-25 14:21:06 +02:00
Denys Vlasenko
21d87d495a ash: better handling of EXIT trap in trap hack 
function                                             old     new   delta
forkchild                                              -     602    +602
trapcmd                                              255     347     +92
ash_main                                            1362    1375     +13
evalvar                                             1371    1373      +2
popstring                                            140     134      -6
forkshell                                            835     248    -587
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 3/2 up/down: 709/-593)          Total: 116 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-09-25 00:06:51 +02:00
Denys Vlasenko
2f7894b1bb ash,hush: fix trap reporting: s/SIGEXIT/EXIT/ 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-09-24 01:43:21 +02:00
Denys Vlasenko
91836baf85 hush: fix trap 
function                                             old     new   delta
expand_variables                                    2217    2280     +63
static.argv                                            -       8      +8

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-09-23 01:46:19 +02:00
Denys Vlasenko
a67a9627d0 hush: do not process options after non-option args 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-08-20 03:38:58 +02:00
Denys Vlasenko
dbfa45b3b2 hust test: complain if busybox binary can't be found 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-08-12 21:24:29 +02:00
Denys Vlasenko
cbfe6ad4c6 hush: fix \<newline> handling on NOMMU 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-08-12 19:47:44 +02:00
Denys Vlasenko
19679784c0 hush tests: remove the requirement that .config is in ../.. 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-08-12 14:53:44 +02:00
Denys Vlasenko
09516066d4 hush: do not use ps -o in leak_argv1; do not hardcode path in negate 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-08-12 14:21:30 +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
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
eab40e5885 hush_test: stop mixing tabs/spaces for indentation 
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
 2009-06-01 16:33:05 -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
Mike Frysinger
ff64fb9e31 hush_test: filter test output to avoid C lib differences 
The getopt function in some C libraries wraps the option in single quotes
while others do not.  Avoid the issue by running sed on the output and
strip all quotes.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
 2009-06-01 14:16:43 -04:00
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
4f26c97b9a make compound.tests executable 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-05-23 17:00:13 +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
342a63d659 hush_test: add some pathological compound list tests 
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
 2009-05-21 18:35:37 -04:00
Mike Frysinger
12bcc76e9b hush_test: test for subshell function syntax 
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
 2009-05-21 18:35:08 -04:00
Mike Frysinger
7b424fe738 hush_test: add subshelled case tests 
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
 2009-05-21 18:09:24 -04:00
Mike Frysinger
cc9205bda7 hush_test: update test output to match new getopt() output 
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
 2009-05-21 17:58:15 -04:00
Mike Frysinger
33f85eeac5 hush_test: ignore generated files 
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
 2009-05-21 17:45:26 -04:00
Denys Vlasenko
318a8e5ed5 TODO: add some 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-05-13 02:18:43 +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
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
Denis Vlasenko
42e4af3119 make leak test more robust by unsetting all vars 2009-04-26 23:25:36 +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