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b055001b6a
Commit Graph

709 Commits

Author SHA1 Message Date
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
1744cb1861 hush: prepare testsuite for new, fixed error message format 2007-05-23 15:16:41 +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
94dace3016 fix execute bit on hush-misc/shift.tests 2007-05-23 00:26:32 +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
8805eeb44a shells: update README and testsuite. environment memory leak 
needs to be fixed - and documented!
 2007-05-21 10:19:48 +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
46846e25a4 ash: implement type -p, costs less than 10 bytes 
(patch by Mats Erik Andersson <mats.andersson64@comhem.se>)
 2007-05-20 13:08:31 +00:00
Denis Vlasenko
6d709972cd cttyhack: new applet. 2007-05-18 09:45:36 +00:00
Denis Vlasenko
5b34083004 several *.c files: 
move 'extern environ' up to the location of #includes
 2007-05-17 23:02:14 +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
d6050949b8 hush: move testsuite files from hush-bugs to hush-parsing 
(as these bugs are now fixed)
 2007-05-14 22:09:52 +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
119b995437 hush: reinstate hush_test, add testcases for process subst 2007-05-11 12:57:35 +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
2b54aaa9bf msh: fix obscure case with backticks and closed fd 1 2007-05-09 22:16:08 +00:00
Denis Vlasenko
92c0b8222e tail: fix SEGV on "tail -N" 
config system: clarify PREFER_APPLETS/SH_STANDALONE effects in help text
 2007-05-08 17:27:17 +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
3349fc4da9 applets: fix compile-time warning 2007-05-04 14:54:36 +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
f20de5bb42 ash,kill: use common code for kill applet/builtin 
# make bloatcheck
function                                             old     new   delta
evaltreenr                                           644     654     +10
evaltree                                             644     654     +10
parse_conf                                          1440    1444      +4
dpkg_deb_main                                        426     429      +3
ed_main                                             3319    3321      +2
passwd_main                                         2093    2091      -2
kill_main                                            830     826      -4
singlemount                                         4609    4601      -8
find_command                                         962     954      -8
get_lcm                                              123     105     -18
.rodata                                           132243  132147     -96
killcmd                                              449     120    -329
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 5/7 up/down: 29/-465)          Total: -436 bytes

# size busybox_old busybox_unstripped
   text    data     bss     dec     hex filename
 723901    2940   27504  754345   b82a9 busybox_old
 723457    2940   27504  753901   b80ed busybox_unstripped
 2007-04-29 23:42:54 +00:00
Denis Vlasenko
08c8c1d3b3 ash: fix infinite loop on exit if tty is not there anymore 2007-04-28 22:39:02 +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