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976 Commits

Author SHA1 Message Date
Denis Vlasenko
b6adbf1be2 usage.c: remove reference to busybox.h 
*: s/include "busybox.h"/include "libbb.h"
 2007-05-26 19:00:18 +00:00
Denis Vlasenko
5a6aeddfa7 xpipe: introduce (saves ~170 bytes) 
udhcp/signalpipe.c: use pipe instead of socketpair.
 2007-05-26 16:44:20 +00:00
Denis Vlasenko
ba7cf260fd hush: fix 'echo abcsleep 5def' + Ctrl-Z and Ctrl-C bugs. +50 bytes of code. 2007-05-25 14:34:30 +00:00
Denis Vlasenko
0a83fc3984 hush: avoid duplicating HUSH_VERSION 2007-05-25 11:12:32 +00:00
Denis Vlasenko
201c72a8d6 hush: micro-optimization in new variable code 2007-05-25 10:00:36 +00:00
Denis Vlasenko
28c0f0f4fe hush: we can't do without variable->value member, saving 25 bytes of code 
and some runtime memory. Rename few variables.
 2007-05-25 02:46:01 +00:00
Denis Vlasenko
d76c049cc4 hush: rework variable storage and environment handling. 
More that -100 bytes of code + memory leak plugged.
Added a testcase for it.
 2007-05-25 02:16:25 +00:00
Denis Vlasenko
5a1437d835 hush: fix segfaulting syntax error in interactive hush 2007-05-24 13:22:47 +00:00
Denis Vlasenko
b055001b6a hush: fix handling of unmatched ${name (without closing '}') - 
was eating all remaining input, potentially megabytes.
nofork: save/restore die_jmp too
nofork: use -2222 instead of -111 as "special" return valur for zero
(-111 is used by some applets. -2222 won't fit in exitcode and thus safer)
 2007-05-24 12:18:16 +00:00
Denis Vlasenko
90e485ce79 hush: make syntax error messages a bit more useful 2007-05-23 15:22:50 +00:00
Denis Vlasenko
170435c575 hush: fix job control with eval /bin/external_prog 
hush: fix parsing of unterminated "str with no EOL
hush: improved make_string() (smaller, faster, needs less RAM)
hush: renamed several functions
 2007-05-23 13:01:10 +00:00
Denis Vlasenko
1a7358612f hush: fix a bit different instance of "No EOL" bug, 
add testsuite for that. Expand another testsuite.
 2007-05-23 00:32:25 +00:00
Denis Vlasenko
0681033918 hush: add 3 CONFIG_xxx, allowing for smaller and less capable hush. 
Minimal hush is ~9k now (lash is ~7k).
 2007-05-21 23:30:54 +00:00
Denis Vlasenko
219e88d050 hush: using smallints where we can. save ~20 bytes in code and 
some data storage at runtime.
 2007-05-21 10:18:23 +00:00
Denis Vlasenko
004baba2d6 hush: fix shift + $0 bug; add testcase 2007-05-20 22:22:18 +00:00
Denis Vlasenko
262d765351 hush: trivial size optimization 2007-05-20 21:52:49 +00:00
Denis Vlasenko
14b5dd9943 hush: make process substitution configurable; add a testcase 2007-05-20 21:51:38 +00:00
Denis Vlasenko
c8be5ee325 hush: do "struct globals" trick. hush.o data+bss = 0 bytes now. 
+60 bytes to image, but -8000 bytes in bss.
 2007-05-17 15:38:46 +00:00
Denis Vlasenko
b6a741ffa7 hush: consolidated variable expansion for assignments and "normal" one. 
-435 bytes. Tested against testsuite.
 2007-05-17 14:38:17 +00:00
Denis Vlasenko
96f67dc69d more compile fixes from randomconfig run 2007-05-17 13:02:41 +00:00
Denis Vlasenko
c666f71e3b hush: take care of several easy FIXMEs. -228 bytes. 2007-05-16 22:18:54 +00:00
Denis Vlasenko
831dcc439c hush: another microscopic typo fix 2007-05-16 15:05:36 +00:00
Denis Vlasenko
c29903221d hush: fix English in comment 2007-05-16 12:57:12 +00:00
Denis Vlasenko
3e7b0e6120 hush: simplify read builtin; fix set_local_var (misplaced 'goto skip;') 2007-05-16 12:52:15 +00:00
Denis Vlasenko
1f4cf517f5 hush: fix expansion of quoted $VAR, $* and $@ 2007-05-16 10:39:24 +00:00
Denis Vlasenko
8f6bdb42df hush: fix incorrect processing of echo "'$var'". 
hush: rename map[] and MAP_xxx, making them easier to understand.
hush: move testcase (which now passes) from hush-bugs to hush-parsing
 2007-05-16 09:36:55 +00:00
Denis Vlasenko
764d59d488 hush: more fixes to variable expansion, more testcases 2007-05-14 16:23:23 +00:00
Denis Vlasenko
03eb8bf6ce hush: move towards more correct variable expansion 
hush: fix a few cases in FOR v IN ... construct
      unfortunately, code growth is big - ~600 bytes
 2007-05-14 16:19:34 +00:00
Denis Vlasenko
602d13cba5 hush: fix '{ false; echo $?; }' bug. 
hush: expand testsuite. variable expansion is still very broken
 2007-05-13 18:34:53 +00:00
Denis Vlasenko
3e9aaae5dc hush: fix bug in interactive shell introduced yesterday 
hush: fix `process subst` (2 bugs)
NB: will delete and re-add hush_test in order to change file modes
 2007-05-11 12:56:43 +00:00
Denis Vlasenko
e0a336747c hush: fix "unterminated last line loops forever" bug 
hush: add testsuite infrastructure
 2007-05-10 23:06:55 +00:00
Denis Vlasenko
53079d494e hush: fix recent breakage (VAR=VAL stopped working) 2007-05-10 23:05:28 +00:00
Denis Vlasenko
21f0d4c55e hush: fix double-free in "echo TEST &" 2007-05-06 14:15:42 +00:00
Denis Vlasenko
dd4cb2b31e hush: stop generating extra empty pipes in parse stage. 2007-05-05 15:11:40 +00:00
Denis Vlasenko
a6c467f6d1 hush: preparatory patch for removing extra empty pipes generation 
in parse stage. No real code change here.
 2007-05-05 15:10:52 +00:00
Denis Vlasenko
ac0e5ab96a hush: fix "while true; do true; done" + ctrl-z 2007-05-04 21:37:27 +00:00
Denis Vlasenko
400c5b6fc6 hush: add parse tree debug print 2007-05-04 13:07:27 +00:00
Denis Vlasenko
e725bfe6e0 hush: fix "true | exit 3; echo $?" bug 2007-05-03 22:45:39 +00:00
Denis Vlasenko
f2fffd0014 hush: remove env builtin (it is buggy). Add comments 2007-05-02 23:39:04 +00:00
Denis Vlasenko
d01ff13454 hush: simplify debugging prints a little bit 2007-05-02 21:40:23 +00:00
Denis Vlasenko
4ac530c0ef hush: add debugging for tracing execution, 
add FIXME for 'true | exit 3; echo $?' case
 2007-05-02 15:35:45 +00:00
Denis Vlasenko
ef36ead370 hush: fix incorrect exitcodes without job control 2007-05-02 15:34:47 +00:00
Denis Vlasenko
e3f2f89891 hush: make job control and interactiveness configurable, part 2 2007-04-28 16:48:27 +00:00
Denis Vlasenko
b81b3df1fa hush: make job control and interactiveness configurable, part 1 2007-04-28 16:48:04 +00:00
Denis Vlasenko
0937be5fa6 hush: make hush properly detect EOF on stdin (even interactive one - 
think about pty being destroyed) and exit.
 2007-04-28 16:47:08 +00:00
Denis Vlasenko
b5eaabb322 hush: add Ctrl-C handling to nofork case 2007-04-28 16:45:59 +00:00
Denis Vlasenko
3ac0e00553 hush: better signal handling across ctrl-z 2007-04-28 16:45:22 +00:00
Denis Vlasenko
18e19f2b0d hush: fix nofork + ctrl-Z clobbering of globals 2007-04-28 16:43:18 +00:00
Denis Vlasenko
a6a1785a30 hush: add ctrl-Z handling for nofork'ed case 2007-04-28 16:42:11 +00:00
Denis Vlasenko
1359da6ac7 hush: make Ctrl-Z work (at least sometimes) 2007-04-21 23:27:30 +00:00
Denis Vlasenko
762d35c75f hust: add a comment 2007-04-21 17:28:51 +00:00
Denis Vlasenko
52881e9f23 hush: fix more backgrounding bugs. Plenty of them remains still. 2007-04-21 13:42:52 +00:00
Denis Vlasenko
2f1bb36a55 hush: explain why "pipe; exit $?" doesn't show correct exitcode 2007-04-21 10:01:14 +00:00
Denis Vlasenko
87cb2db703 hush: do not print message if killed by signal; 
move some functions up before main()
 2007-04-21 10:00:01 +00:00
Denis Vlasenko
54e7ffb3a4 hush: begin fixing non-functional job control 2007-04-21 00:03:36 +00:00
Denis Vlasenko
5f786c24e4 hush: small code shrink; style fixes 2007-04-20 08:35:45 +00:00
Denis Vlasenko
516a0ca2dc ps: add -o tty and -o rss support 
1373      14      24    1411     583 busybox.t1/procps/ps.o
   1462      14      24    1500     5dc busybox.t2/procps/ps.o
 2007-04-19 14:46:14 +00:00
Denis Vlasenko
55b2de71d7 hush: remove stray semicolon (should change nothing) 2007-04-18 17:21:28 +00:00
Denis Vlasenko
7d4c44e1b1 shells: remove few statics and duplicated code 
(much more of the same remains, alas)
function                                             old     new   delta
doset                                                330     332      +2
warn                                                  53      51      -2
onecommand                                           463     461      -2
ioecho                                                40      38      -2
forkexec                                            1412    1410      -2
err                                                   81      79      -2
setdash                                               59      56      -3
flag                                                   4       -      -4
msh_main                                            1389    1384      -5
eval                                                 388     381      -7
subgetc                                              759     747     -12
static.local                                          14       -     -14
b_adduint                                             70      52     -18
------------------------------------------------------------------------------
(add/remove: 0/2 grow/shrink: 1/10 up/down: 2/-73)            Total: -71 bytes
 2007-04-16 22:34:39 +00:00
Denis Vlasenko
ac678ec2f1 style fixes, no code changes 2007-04-16 22:32:04 +00:00
Denis Vlasenko
8a28e620ce lash: recognize and use NOFORK applets 
lash,hush: fix kill buglet (didn't properly recognize ESRCH)
 2007-04-14 11:16:29 +00:00
Denis Vlasenko
f5294e1f4c hush: use NOFORK applets as appropriate. Net reduction of code size. 2007-04-14 10:09:57 +00:00
Denis Vlasenko
fbf6dea5a2 hush: more style fixes. 2007-04-13 19:56:56 +00:00
Denis Vlasenko
f03dbeda90 hush: comment out and replace bug in set_local_var: 
-       if (value == 0 && ++value == 0) {
+       /*if (value == 0 && ++value == 0) ??? -vda */
+       if (value == NULL || value[1] == '\0') {

Style fixes.
 2007-04-13 19:55:50 +00:00
Denis Vlasenko
7cced6e574 fix realloc-of-non-malloced pointer, and reduce size while at it 2007-04-12 17:08:53 +00:00
Denis Vlasenko
831a20f512 pass a copy of argv[i] to NOFORK applets (they may permute it etc). 
set/save/restore more shared global variables whan call one applet from another
 2007-04-12 12:27:32 +00:00
Denis Vlasenko
50f7f446ec bb_full_fd_action: remove potential xmalloc from NOFORK path 
cat: stop using stdio.h opens
libbb: introduce & use open[3]_or_warn
function                                             old     new   delta
open3_or_warn                                          -      54     +54
bb_cat                                               115     144     +29
open_or_warn                                           -      25     +25
unlzma                                              2404    2412      +8
chattr_main                                          334     339      +5
xstrtoul_range_sfx                                   251     255      +4
telnet_main                                         1514    1510      -4
static.opt                                             4       -      -4
qgravechar                                           122     118      -4
fuser_add_pid                                         61      54      -7
fuser_add_inode                                      154     147      -7
writeFileToTarball                                  1542    1534      -8
refresh                                             1156    1148      -8
do_show                                              856     846     -10
read_leases                                          212     200     -12
setup_redirects                                      236     222     -14
iproute_list_or_flush                               1582    1568     -14
read_config                                          427     411     -16
write_leases                                         284     264     -20
hash_file                                            338     318     -20
copy_file                                           1760    1740     -20
do_iproute                                          2610    2588     -22
bb_full_fd_action                                    320     269     -51
open_to_or_warn                                      103      49     -54
fuser_main                                          1660    1596     -64
.rodata                                           131160  131096     -64
------------------------------------------------------------------------------
(add/remove: 2/1 grow/shrink: 4/19 up/down: 125/-423)        Total: -298 bytes
 2007-04-11 23:20:53 +00:00
Denis Vlasenko
6398cf477d style fixes, no code changes. 2007-04-11 17:04:29 +00:00
Denis Vlasenko
e4f2d064b0 rename: run_applet_by_name -> run_applet_and_exit 2007-04-11 17:03:19 +00:00
Denis Vlasenko
80d14beae9 Rename two config options: 
FEATURE_SH_STANDALONE_SHELL => FEATURE_SH_STANDALONE
FEATURE_EXEC_PREFER_APPLETS => FEATURE_PREFER_APPLETS
Make SH_STANDALONE depend on PREFER_APPLETS.
getopt.c: more randomconfig-induced fixes
 2007-04-10 23:03:30 +00:00
Denis Vlasenko
ff131b980d style fixes. No code changes. 2007-04-10 15:42:06 +00:00
Denis Vlasenko
219d14d514 random style fixes (extra spaces deleted) 2007-03-24 15:40:16 +00:00
Denis Vlasenko
6ca0444420 syslogd: fix "readpath bug" by using readlink instead 
libbb: rename xgetcwd and xreadlink
 2007-02-11 16:19:28 +00:00
Denis Vlasenko
06af216528 suppress warnings about easch <applet>_main() having 
no preceding prototype
 2007-02-03 17:28:39 +00:00
Denis Vlasenko
4c97863109 assorted fixes for bugs found with randomconfig 2007-02-03 03:31:13 +00:00
Denis Vlasenko
bb81c5831a hush: style fixes 2007-01-30 22:32:09 +00:00
Denis Vlasenko
c72c1ed932 hush: now it's -Wwrite-strings clean 2007-01-30 22:31:26 +00:00
Denis Vlasenko
0c886c65de hush: style fixes 2007-01-30 22:30:09 +00:00
Denis Vlasenko
15d78fb724 hust: -Wwrite-strings fixes 2007-01-30 22:28:21 +00:00
Denis Vlasenko
b6aae0f381 preparatory patch for -Wwrite-strings #2 2007-01-29 22:51:25 +00:00
Denis Vlasenko
38f6319421 cmdedit is not a 'command' editing anymore, it's just editing (generic), 
so rename stuff accordingly.
 2007-01-22 09:03:07 +00:00
Denis Vlasenko
8e1c71529c Convert cmdedit into more generic line input facility 
(make history and completion optional at runtime).
Use it for fdisk, as an example.
Some unrelated fixes in fdisk are also here.
 2007-01-22 07:21:38 +00:00
Denis Vlasenko
9af7c9d6b6 openvt,getty,vfork_daemon_rexec,mount: tighten up fd cleanup code 
(will close all fd's > 2 on daemonization now)
getty: fix "getty -" support, and also do not try to chown/chmod "-"
telnetd: fix "lost ctty" bug
Yet another attempt on saner function names:
bb_sanitize_server_stdio(0/1) -> bb_sanitize_stdio() + bb_daemonize();
 2007-01-19 21:19:35 +00:00
Denis Vlasenko
bf0a201008 style fixes 
last xcalloc replaced by xzalloc
 2006-12-26 10:42:51 +00:00
Denis Vlasenko
d9e15f2068 style cleanup: return(a) -> return a, part 2 2006-11-27 16:49:55 +00:00
Denis Vlasenko
079f8afa0a style cleanup: return(a) -> return a, part 1 2006-11-27 16:49:31 +00:00
Denis Vlasenko
e1a0d486e4 message string changes, mostly for consistency, also -32 bytes in .rodata 2006-10-20 13:28:22 +00:00
Denis Vlasenko
8de82bf84f hush.c: stop using __FILE__ (bad in out-of-tree builds) 2006-10-11 21:38:33 +00:00
Denis Vlasenko
a959588b80 Yet another silly little byte saving. couldn't -> cannot 2006-09-29 21:30:43 +00:00
Rob Landley
215c61d3c2 Unbreak allbareconfig. 2006-09-15 04:10:05 +00:00
Rob Landley
88621d7398 Svn 16007 broke the build under gcc 4.0.3. This fixes up some of the damage 
(the e2fsprogs directory is too twisty and evil to easily fix, but I plan
to rewrite it anyway so I'll just bump that up in priority a bit).
 2006-08-29 19:41:06 +00:00
Rob Landley
d921b2ecc0 Remove bb_ prefixes from xfuncs.c (and a few other places), consolidate 
things like xasprintf() into xfuncs.c, remove xprint_file_by_name() (it only
had one user), clean up lots of #includes...  General cleanup pass.  What I've
been doing for the last couple days.

And it conflicts!  I've removed httpd.c from this checkin due to somebody else
touching that file.  It builds for me.  I have to catch a bus.  (Now you know
why I'm looking forward to Mercurial.)
 2006-08-03 15:41:12 +00:00
Rob Landley
53702e53ba Replace the previous checkin with the correct fix. 2006-07-19 21:43:53 +00:00
"Robert P. J. Day"
3e4da920bd For now, get around the error that "child" might be uninitialized. 2006-07-18 12:05:43 +00:00
"Robert P. J. Day"
177c9f3128 Get rid of all "#if 0" content. 2006-07-01 14:30:28 +00:00
"Robert P. J. Day"
f350160963 Remove "#if 1" directives. 2006-07-01 12:19:39 +00:00
Rob Landley
5483de1cb7 Cleanup patch from Shaun Jackman converting %m to perror. 2006-06-20 21:35:26 +00:00
Bernhard Reutner-Fischer
e15d7573a1 - move #include busybox.h to the very top so we pull in the config 
and eventual platform specific includes in early.
 2006-06-02 20:56:16 +00:00
Rob Landley
75cc0cace3 I was playing around with a dependency generator a couple weeks ago and I found 
some #include files that aren't in the tree.  No biggie...
 2006-02-24 03:15:34 +00:00
"Vladimir N. Oleynik"
dd1ccddf1b moved BB_BANNER to applets/version.c file: make kernel like version, 
removed depend loop: busybox.h depend with BB_BT, and all sources depend with busybox.h
 2006-02-16 15:40:24 +00:00
"Vladimir N. Oleynik"
4ccd2b4697 quick analize signed->unsigned: protect overflow of map[char], getchar->EOF. Use ATTRIBUTE_UNUSE. 2006-01-31 09:27:48 +00:00
Eric Andersen
a68ea1cb93 fix up yet more annoying signed/unsigned and mixed type errors 2006-01-30 22:48:39 +00:00
Tim Riker
c1ef7bdd8d just whitespace 2006-01-25 00:08:53 +00:00
Bernhard Reutner-Fischer
86f5c9906b - add platform.h. 
- use shorter boilerplate while at it.
 2006-01-22 22:55:11 +00:00
Rob Landley
032e2cbf20 Uninitialized variable causing intermittent syntax errors (bug 449). 2005-12-12 06:52:45 +00:00
"Vladimir N. Oleynik"
485d7cbdf1 data --> text 2005-10-17 09:48:57 +00:00
"Vladimir N. Oleynik"
19c370167a Reduce exported from hush applet 2005-09-22 14:33:15 +00:00
Eric Andersen
aff114c33d Larry Doolittle writes: 
This is a bulk spelling fix patch against busybox-1.00-pre10.
If anyone gets a corrupted copy (and cares), let me know and
I will make alternate arrangements.

Erik - please apply.

Authors - please check that I didn't corrupt any meaning.

Package importers - see if any of these changes should be
passed to the upstream authors.

I glossed over lots of sloppy capitalizations, missing apostrophes,
mixed American/British spellings, and German-style compound words.

What is "pretect redefined for test" in cmdedit.c?

Good luck on the 1.00 release!

      - Larry
 2004-04-14 17:51:38 +00:00
Eric Andersen
99fcd168cc Wolfgang Denk writes: 
He,

there is a bug in HUSH's handling of "if" / "elif" commands:

        $  if true
        > then
        > echo 1
        > elif
        > true
        > then
        > echo 2
        > elif
        > true
        > then
        > echo 3
        > else
        > echo 4
        > fi
        1
        2
        3
        $

The same bug exists in all versions of HUSH from BB v0.60.x up to and
including v1.00-pre9. The attached patch fixes this:

        $ if true
        > then
        > echo 1
        > elif
        > true
        > then
        > echo 2
        > elif
        > true
        > then
        > echo 3
        > else
        > echo 4
        > fi
        1
        $



Best regards,

Wolfgang Denk
 2004-04-12 21:41:29 +00:00
Eric Andersen
e3efc9230c Jamie Guinan writes: 
It looks like latest uClibc defines ARCH_HAS_MMU, but a few busybox files
test UCLIBC_HAS_MMU, resulting in vfork() getting called instead of
fork(), etc.

Patch below.   Only tested for lash.

Cheers,
-Jamie
 2004-04-12 17:59:24 +00:00
Eric Andersen
075dd81c44 Remove the CONFIG_FEATURE_SH_APPLETS_ALWAYS_WIN option. It was sortof 
stupid and didn't work properly anyways.
 2004-04-07 09:34:27 +00:00
Eric Andersen
70060d25d2 s/fileno\(stdin\)/STDIN_FILENO/g 
s/fileno\(stdout\)/STDOUT_FILENO/g
 2004-03-27 10:02:48 +00:00
Eric Andersen
c7bda1ce65 Remove trailing whitespace. Update copyright to include 2004. 2004-03-15 08:29:22 +00:00
Eric Andersen
cb81e6484d Update a bunch of docs. Run a script to update my email addr. 2003-07-14 21:21:08 +00:00
Manuel Novoa III
cad5364599 Major coreutils update. 2003-03-19 09:13:01 +00:00
Eric Andersen
da15a496e2 Make hush comple once again 2002-12-06 21:37:08 +00:00
Aaron Lehmann
a170e1c858 Change if(x)free(x); to free(x); 2002-11-28 11:27:31 +00:00
Eric Andersen
4c9b68f0e0 Nice patch from Wolfgang Denk <wd@denx.de> to provide hush with 
shell loops (for, while, until) and control operators (||, &&)
 2002-04-13 12:33:41 +00:00
Eric Andersen
eaecbf33f7 Fixup some silly prototype warnings 2001-10-31 10:41:31 +00:00
Eric Andersen
72f9a4277f Add in some (theoretical) uClinux support. Some init cleanups 2001-10-28 05:12:20 +00:00
Eric Andersen
bdfd0d78bc Major rework of the directory structure and the entire build system. 
-Erik
 2001-10-24 05:00:29 +00:00
Eric Andersen
d63dee4019 Add an option to make the shells not advertise their busybox nature 2001-10-19 00:22:23 +00:00
Matt Kraai
2d91deba45 Allow multiple shells to be enabled. 2001-08-01 17:21:35 +00:00
Eric Andersen
7467c8d3b6 Patch from vodz: 
Changed email address
    cmdedit API change
    optimizations for traceroute and md5sum
    added a new shared create_icmp_socket() function
 2001-07-12 20:26:32 +00:00
Eric Andersen
028b65b060 More thrashing about trying to make hush behave itself wrt job 
control...
 2001-06-28 01:10:11 +00:00
Eric Andersen
5c66d06104 Explicitly call setsid() 2001-06-26 23:16:31 +00:00
Eric Andersen
a90f20b1c3 Don't choke if /etc/profile is not available 2001-06-26 23:00:21 +00:00
Glenn L McGrath
78b0e379d7 Vladimir's last_patch_15 2001-06-26 02:06:08 +00:00
Eric Andersen
6c947d289f Fix the code for establishing a controlling terminal. 
-Erik
 2001-06-25 22:24:38 +00:00
Eric Andersen
52a97ca00c Some more cleanups. Of special importance, never free a pipe 
that still has running jobs.  Instead, we ignore it and expect
it to be cleaned by the background job stuff.
 -Erik
 2001-06-22 06:49:26 +00:00
Eric Andersen
c798b07762 Some cleanups for hush. Saves about 350bytes. 
-Erik
 2001-06-22 06:23:03 +00:00
Eric Andersen
04407e522b Another hush update from Larry: 
Fixes the interaction between if/then/else/fi syntax and variables.
    I planned to do it right from the beginning, but my implementation
    was buggy.  Also adds the relevant test cases.  Also adds some old
    Matt Kraai variable test cases that got left out somehow.
 2001-06-07 16:42:05 +00:00
Eric Andersen
817e73cb63 A patch from Larry to fix pathological things like '>""' 2001-06-06 17:56:09 +00:00
Matt Kraai
c616e53ca2 Don't close file descriptors when we are duplicating them. 2001-06-05 16:50:08 +00:00
Eric Andersen
4f6753e586 Cope gracefully when people type something, then hit ^C. 
-Erik
 2001-05-31 17:17:12 +00:00
Eric Andersen
a813afc24f Plug another memory leak 2001-05-24 16:19:36 +00:00
Eric Andersen
a15dc15f12 Plug another memory leak in hush. This one showed up when backticked 
commands were run.  This one was sure a bugger to find.
 -Erik
 2001-05-23 23:46:09 +00:00
Eric Andersen
bf7df04ec1 Fix a massive memory leak in the run_list_test() function. 
Rename run_list_test() as free_pipe_list().
Rename run_pipe_test() as free_pipe().
 -Erik
 2001-05-23 22:18:35 +00:00
Matt Kraai
bdd4eced84 Commit a patch by Larry Doolittle which fixes recursive calls to file_peek, 
and improves some debugging messages.
 2001-05-23 17:43:00 +00:00
Eric Andersen
57e6a49e5b Excellent. This patch from Larry fixes the behavior of hush 
when builtins are included in pipes.
 2001-05-22 22:34:51 +00:00
Eric Andersen
9978576f15 Fix this case. No, really this time. 
unset FOO
    export FOO=bar
    FOO=baz
    echo "global env: " `env | grep ^FOO`
    echo "local env:  " `set | grep ^FOO`
 -Erik
 2001-05-22 21:37:48 +00:00
Eric Andersen
aeb44c4da6 Fix a race. Sometimes by the time we got to checkjobs(), the 
pipe struct had already been freed.  Return immediately if the
pipe is NULL.
 2001-05-22 20:29:00 +00:00
Eric Andersen
816867858b Oops. Remove some debug noise I left in. 2001-05-22 19:23:35 +00:00
Eric Andersen
94ac244dea Updates from both Vladimir and Larry 2001-05-22 19:05:18 +00:00
Eric Andersen
004015e9c4 Patch from Lars Kellogg-Stedman <lars@larsshack.org> to fix bug 
#1130 (i.e. When you turn on features it should always ADD features)
 2001-05-21 20:30:51 +00:00
Eric Andersen
ada18ff0f5 The latest patch from Larry 2001-05-21 16:18:22 +00:00
Eric Andersen
9ffb7dd9a4 This is a patch from Vladimir: 
> I rewrite *local_variable* function in hush.c with:
    > 1) remove many memory leaks
    > 2) add support read_only protect (require write builtin function for set this,
    > I write this special for variable HUSH_VERION=0.01)
    > 3) commad read set only local variable now
    > 4) remove many error messages if "set unset export" not defined variable
    > (bash syntax not put and set error code). Hmm, if I set result to -1, you hush
    > called waitpid and returned with error "no waitpid" ( i not found place this
    > error).
    > 5) destroy error in new version check xgetcwd()==NULL and set "(unknow)" -
    > this have error: crashe in next call `pwd`, but xgetcwd(not null) called
    > free(arg).
    > 6) next add integraion with libbb

Valdimir's patch missed two cases of local variable handling
    FOO=bar
    export FOO=baz
    unset FOO
and
    export FOO=bar
    FOO=baz
which were working before, so I fixed those two cases.
 2001-05-19 03:00:46 +00:00
Eric Andersen
bfae2529b8 It turns out job control in both hush and lash was broken by the 
signal handling in cmdedit.c.  Disabling it makes the shells behave
themselves again.  hush isn't quite there, but is getting close...
 -Erik
 2001-05-17 00:14:27 +00:00
Eric Andersen
bc604a2f41 Move init of a bunch of globals into main so we are at least 
a bit more reentrant.
 -Erik
 2001-05-16 05:24:03 +00:00
Eric Andersen
f72f562b2f Fix the behavior of local shell variables to match that of bash and ash. 
-Erik
 2001-05-15 23:21:41 +00:00
Eric Andersen
15649c11f3 Oops. I left in some debug noise. 2001-05-15 17:28:26 +00:00
Eric Andersen
20a69a77d2 Write set_local_var() and fixup lookup_param() so you can now use 
shell local variables.
 -Erik
 2001-05-15 17:24:44 +00:00
Eric Andersen
78a7c99f7f This patch covers one big part of variable handling. 
$ a=b foo
should be handled correctly.
$ a=b
is parsed OK, but the actual variable setting is not
yet written.  Except for some weird exceptions related
to quoting rules, this code passes (matches ash behavior)
all the tests I threw at it.

If someone now writes set_local_var(), and updates lookup_param()
to match, we can claim success!

       - Larry
 2001-05-15 16:30:25 +00:00
Eric Andersen
cfa88ecb72 Fix up some silly warnings 2001-05-11 18:08:16 +00:00
Eric Andersen
5f265b755a Fix a segfault in lash, hush, and cmdedit. Each of these used 
xgetcwd, but did not check the return for a NULL, and then continued
to call strlen on the NULL when the cwd had been removed from under it.
 -Erik
 2001-05-11 16:58:46 +00:00
Eric Andersen
9d94deabd3 Use xgetcwd 2001-05-11 16:36:03 +00:00
Eric Andersen
1a6d39b259 A few more structural updates for job control. 
-Erik
 2001-05-08 05:11:54 +00:00
Eric Andersen
0a36de0580 Fix a stupid segfault caused by dereferencing a NULL ptr. 
-Erik
 2001-05-08 04:25:46 +00:00
Eric Andersen
45e92ba2ce This patch from Evin Robertson <nitfol@my-deja.com> fixes export so it works. 
This way leaks memory, but oh well.  We will probably fix that when we get
around to doing local variables.
 2001-05-07 23:53:09 +00:00
Eric Andersen
83a2ae2184 More hush updates from Larry: 
Update some comments.  Generate partial placeholders for the missing
    builtins.  Write builtin_umask.  Properly treat exec without arguments
    as a means to open/close files within the running script.  Implement
    "4<&-" that encodes for file descriptor closure.
 2001-05-07 17:59:25 +00:00
Eric Andersen
2dcfba7117 Larry's variant on Evin Robertson's fix to what I messed up 
trying to make job control work.  This fix makes it so that
hush doesn't error out when init hasn't set up job control,
as in when init=/bin/sh
 2001-05-04 22:13:37 +00:00
Matt Kraai
d24f878546 Don't reset parents context when we encounter an terminator. Fixes 
if true; then if true; then true; fi; fi
 2001-05-04 21:20:20 +00:00
Eric Andersen
e5ffb911e8 If it fails to run a builtin, let it fall through to 
exec the real thing.
 -Erik
 2001-05-04 16:30:29 +00:00
Matt Kraai
80abc45182 Move up waitpid error check so that errno isn't clobbered by tcsetpgrp. 2001-05-02 21:48:17 +00:00
Eric Andersen
0fcd447d59 Some more job control updates. It will now sucessfully background 
stuff.  Good luck getting things back into the foreground though...
 -Erik
 2001-05-02 20:12:03 +00:00
Matt Kraai
20a3069ec0 Don't treat newline as pipe separator when processing substitutions. 2001-05-02 17:52:49 +00:00
Matt Kraai
9f8caf134f Fix $(...) construction. Noted and patched by Larry Doolittle 
<ldoolitt@recycle.lbl.gov>.  I'm just a patch whore.  :)
 2001-05-02 16:26:12 +00:00
Eric Andersen
bafd94f154 First pass at getting job control working. This gets the infrastructure 
in place, but something is still missing/wrong in there.  Testing with
'grep foo &' seems to put _hush_ into the background.  Pondering...
 -Erik
 2001-05-02 16:11:59 +00:00
Matt Kraai
1c8a59ab95 Use the current pgrp, not pid, when resetting the foreground process group. 
Fixes bizarre suspension when executing `echo`.
 2001-05-02 15:37:09 +00:00
Matt Kraai
f162e7d09d Don't segfault if the first word is the empty string. 2001-05-02 14:48:48 +00:00
Eric Andersen
e67c3ce327 Another update from Larry: 
Makes hush return code equal to that of the last command executed.
    Fixes the mode where input comes from a file.
 2001-05-02 02:09:36 +00:00
Eric Andersen
4ed5e37d4b Another hush update from Larry: 
Minor improvements.  Something is still broken with running
    scripts via "hush filename".  All the following are now handled
    acceptably (matches ash, not bash).

    if true; then echo foo1; fi
    if
     true; then echo foo2; fi
    if true; false; then echo bar; else echo foo3; fi
    if true || false; then echo foo4; fi

	  - Larry
 2001-05-01 01:49:50 +00:00
Eric Andersen
aac75e5a78 Some more hush.c updates from Larry Doolittle. 2001-04-30 18:18:45 +00:00
Eric Andersen
088875fec4 Use BUFSIZ for the_command to match size used in cmdedit 2001-04-27 07:49:41 +00:00
Eric Andersen
af44a0e8f4 An update to hush from Larry: 
It should recover more smoothly from syntax errors, and it now
    has a decent guess when the reserved word construct is over
    (or not) to control execution and prompting.  I took out all the
    redundant standalone test copies of libbb routines, but left in a
    hook so I can include those for my testing.  I'll post that include
    file on my web site.

	    - Larry
 2001-04-27 07:26:12 +00:00
Eric Andersen
25f2703015 This is the initial checkin of Larry Doolittle's hush.c, using his 
April 25, 2001 snapshot, adjusted a bit by me so it has cmdedit support.

This checkin also removes sh.c.  In the future sh.c will be a symlink to
your shell of choice.  For now, this symlink will default to pointing to
lash.c (as in the past).  If you change the symlink to point to hush.c,
then thats what you will get.  This symlink business is a temporary situation,
which will be cleaned up Real Soon Now(tm).

 -Erik
 2001-04-26 23:22:31 +00:00