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585 Commits

Author SHA1 Message Date
christos
2554aff24b PR/36531: Greg A. Woods: another very helpful DEBUG TRACE() call for execve() 
failures in /bin/sh
 2007-06-24 18:36:23 +00:00
christos
546dff6580 PR/36533: Greg A. Woods: minor doc fixes for sh(1) 2007-06-24 17:57:56 +00:00
dsl
8da3353686 Fix sh -c 'true && ! true | false; echo $?' 
Add some more TRACE((...)) calls to aid such debugging.
Fixes PR bin/36435
Clearly no one tried this test when the changes of rev 1.31 and 1.44 were done!
 2007-06-07 20:57:59 +00:00
apb
faafdc7e21 Document that shell arithmetic now uses intmax_t. Document that 
variables in shell arithmetic don't need "$" signs.
 2007-03-25 06:56:43 +00:00
apb
1a20cbd95e WARNS=4 2007-03-25 06:30:37 +00:00
apb
91ce988bec Make /bin/sh use intmax_t (instead of int) for arithmetic in $((...)). 2007-03-25 06:29:26 +00:00
rillig
9da5e43f4d Since interpreting ELF binaries as shell scripts is not very useful, and 
since the current error message is less than helpful, improve it.
 2007-02-15 12:02:59 +00:00
christos
30760cbdc7 PR/35410: Valeriy E. Ushakov: /bin/sh mishandles shell function definitions 
with function names that are not plain words
1. remove the escape annotations from the function name.
2. check if the function has a valid name before storing it.
 2007-01-13 18:58:26 +00:00
christos
a54fe38a0d fix a volatile variable; from Anon Ymous 2006-12-18 00:37:33 +00:00
wiz
5c056f6785 s/apparant/apparent/, from Zafer. 2006-11-24 22:54:47 +00:00
christos
272937609b sprinkle volatile. 2006-10-16 00:36:19 +00:00
christos
ab28bede4c Prefix "Syntax Error" with the program name, if the command name is not 
available. At least this way we get an idea of what program gives us the
message.
 2006-10-04 15:00:38 +00:00
dsl
1719403bf2 Fix typo, update date. 
Fixes PR/34472
 2006-09-04 20:30:36 +00:00
dsl
c58b829dda Set the 'not a parameter' flag when we skip initial whitespace. 
Otherwise:
    ./sh -c 'x=" "; for a in $x; do echo a${a}a; done'
is processed as a single empty parameter (instead of no parameters).
Should fix the breakage I introdiced in rev 1.75 and PR/34256 and PR/34254
 2006-08-22 18:11:42 +00:00
dsl
413b7762c2 Rework the code changes from revisions 1.69, 1.70 and 1.74 so that the code 
behaves correctly.
As far as I can tell, "x$@y" now expands correctly, as does IFS=:; set -$IFS.
Fixes PR/33472 (again) and PR/33956
 2006-08-21 21:30:14 +00:00
christos
a8b3562160 PR/33775: YAMAMOTO Takashi: /bin/sh doesn't accept "(" before case patterns 2006-06-20 15:57:44 +00:00
dsl
0e765f005a When expanding "$@" add a \0 byte after the last argument (as well as all 
the earlier ones) so that a separator is added before it when it is empty.
This wasn't needed before a recent change that chenged the behaviour of
trailing whitespace IFS characters.
Fixed PR/33472
 2006-05-20 13:57:27 +00:00
christos
e80f354dab Coverity CID 3384: Don't close -1. 2006-05-13 19:47:22 +00:00
mrg
084c052803 quell GCC 4.1 uninitialised variable warnings. 
XXX: we should audit the tree for which old ones are no longer needed
after getting the older compilers out of the tree..
 2006-05-10 21:53:14 +00:00
simonb
15dc85722d Make the change for bin/31548 to set $PWD on shell startup non-fatal if 
the current directory doesn't exist.
 2006-05-04 11:16:53 +00:00
snj
a640fe8c43 It's "its." 2006-04-24 19:00:29 +00:00
snj
bf5ceaae16 It's "its." 2006-04-24 18:00:53 +00:00
christos
da09d1a838 PR/33281: Martin J. Laubach: Prevent core-dump on "echo abc | { }". bash 
prints and error and ksh prints nothing. We go the ksh way.
 2006-04-18 14:44:05 +00:00
christos
3e359756c9 Coverity CID 620: Remove dead code. 2006-03-18 05:25:56 +00:00
christos
f6828859fa Coverity CID 890: Possible NULL pointer deref. 2006-03-18 05:23:08 +00:00
christos
169a269417 Coverity CID 1329: Possible NULL deref. 2006-03-18 05:17:36 +00:00
christos
df8cbb182e Coverity CID 2479: Clarify confusion about uninitialized variable in the 
presence of setjmp/vfork.
 2006-03-17 17:20:47 +00:00
rumble
2174dda221 Handle asprintf failing to allocate. 2006-03-17 14:43:11 +00:00
aymeric
d5d0c11532 Make the -s flag of fc work correctly. Ensure that only one command is specified 
and ensure that we break out of the loop after executing it.
With the previous code, because the re-executed command was added to the
history, it would think that it still had to execute it, leading to an infinite
loop.

The last thing which differs from ksh is that we get the "fc -s " command into
the history, but this is actually rather a feature in my humble opinion.

To test:
$ echo hello
$ fc -s ec
<infinite loop or correct behaviour>
 2006-03-06 00:09:22 +00:00
garbled
6ac601d8c4 Add error printing for ENAMETOOLONG. Partially addresses PR bin/13850 . 
The actual bug mentioned in that PR no longer exists, but it does cause:
~~~~~: error 63
Which this fix cleans up.
 2006-01-02 19:10:33 +00:00
dsl
ea2078818f TOG require that 'set +o' output the options in a form suitable for 
restoring them - make it so.
 2005-12-13 17:44:18 +00:00
dsl
e60beff86b Don't change the name of the directory we are going to 'cd' to just because 
we decide to remove a leading "./" when deciding whether to print the name.
Stops 'cd .//tmp' ending up the same as 'cd /tmp'.
Fixes PR/30735
 2005-11-26 21:44:43 +00:00
christos
8d6ffce2ad PR/31548: Alexander Rigbo: $PWD not set when shell starts up, before pwd 
or cd get executed.
 2005-10-10 21:14:42 +00:00
christos
c05266af8a fix setmode error handling. 2005-10-01 20:23:54 +00:00
tv
964f98e703 Make slightly more portable without extra conditionals needed: 
- Use getpgrp() rather than getpgid(0).
  (getpgrp() is already used elsewhere in this same file.)

- Use waitpid(-1, a, b) rather than wait3(a, b, NULL).
 2005-09-30 18:57:55 +00:00
wiz
2ea3362a10 In mdoc, use .Pp for new paragraphs, not .br. 2005-09-10 22:09:43 +00:00
dsl
8c772bc707 Don't apply CDPATH if the the first component of the target is "." or "..". 
Fixes PR/30973 and applies the principle of least surprise.
Update documentation to match (including date).
(matches behaviour of pdksh - if not it's documentation)
 2005-08-20 21:07:42 +00:00
wiz
980a2652ee Aspell, fix an Xref, drop trailing whitespace. 2005-07-15 22:33:48 +00:00
christos
0df4f0ca31 Only do certain actions when we are trully interactive, not just when we 
are connected to a tty:
	1. enable editor
	2. print directory on directory change.
	3. print job messages
 2005-07-15 17:49:43 +00:00
christos
b0d51313b4 If we have a script and we are interactive, set interactive to 2. This 
allows us to run scripts with -i without printing the prompt like the
other shells do.
 2005-07-15 17:46:54 +00:00
christos
e996b4625d Allow trap to work on ignored signals when the shell is interactive. 2005-07-15 17:23:48 +00:00
christos
ab760d2891 make setsig() return sig_t 2005-07-11 02:37:31 +00:00
christos
3564ac65d4 Don't hard ignore signals that were ignored by our environment, because 
when we try to set a trap on them it will not work. Also while I am here:
1. don't change the action status if the signal system call failed.
2. don't try to sigignore it if signal failed.
3. clear the signal mask in case our parent blocked it for us.
 2005-07-11 02:37:05 +00:00
christos
6310b59691 sprinkle a little const, and now everything compiles with WARNS=3 2005-06-26 19:10:48 +00:00
christos
b61c2197f1 Revert part of the previous commit. We cannot fix the problem by not waiting. 
The problem is that the subshell code is not doing redirections properly.
 2005-06-23 23:05:29 +00:00
christos
306d33d145 Don't wait for a background job in a subshell when we are set to EV_EXIT. 
While I am here, call forkshell() explicitly FORK_FOO flags instead of
depending in FORK_FG == 0 and FORK_BG == 1.
 2005-06-22 23:32:45 +00:00
lukem
5166671bc3 appease gcc -Wuninitialized 2005-06-01 15:41:19 +00:00
lukem
50cde64b47 Mark temp_path volatile so that it won't get clobbered after longjmp. 
(Also appeases gcc -Wuninitialized.)
 2005-06-01 15:38:32 +00:00
wiz
24bf3d8ac3 Whitespace and punctuation fixes. 2005-05-24 00:03:52 +00:00
christos
c3b8cf7d21 Only add the function when we initialize. Restore the binding of tab to 
ed-insert if tabcomplete is cleared.
 2005-05-09 11:35:19 +00:00