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133 Commits

Author SHA1 Message Date
christos ff008dabf6 Fix PR/1760, where 'cd -' before any other command could cause a reference 
to an uninitialized pointer. Use getcwd() to get the current working directory,
instead of forking /bin/pwd [per Scott's suggestion]
 1995-11-19 23:27:37 +00:00
christos c22dddc4e0 Parallel make fixes. 1995-10-22 00:15:02 +00:00
christos 893ade3fac - fix PR1620, -DNO_HISTORY did not work. 
- restore parsing state after parsing old style command substitution.
  The ';' in '`echo z;`' broke the following:
	for i in 1; do
		cat > /dev/tty << __EOF__
		`echo z;`
		__EOF__
	done

cVS: Enter Log.  Lines beginning with `CVS: ' are removed automatically
 1995-10-19 04:14:37 +00:00
christos 92380da725 fixed previous booboo that broke command line editing input. 1995-10-06 21:38:18 +00:00
christos c1b02d9bff - Fix -v flag, so that it works properly when the shell reads from scripts. 
- Bad style to fix my own PR, but I'd like to commit the parallel make
  changes soon, and this is a necessary prerequisite.
 1995-09-26 13:25:19 +00:00
jtc d4fe82df8d Handle %q format directive; from Mike Long (PR #1454). 1995-09-14 16:19:06 +00:00
christos f9382bca1a Fix return builtin to work like it does in ksh: 
When not in a function, it skips the rest of the current input file.
Instances of `return' outside function definitions were previously ignored.
What does joe posix have to say about this?
[fixes PR/1444]
 1995-09-11 17:05:41 +00:00
christos 782cb68126 Fix bin/1240, from Dennis Ferguson. the exit builtin with no arguments 
should return the exitcode of the previous command but it always returned 0.
 1995-07-20 15:04:16 +00:00
pk edae5ead03 Relocate pointers after re-allocation of the job table. 1995-07-04 16:26:45 +00:00
jtc 88fc62fe16 Changed type of rlimit values from quad_t to rlim_t. Cast rlim_t's to 
quad_t's and use "%qd" in printf.
Eliminated unneccessary conditional.
 1995-06-12 19:44:16 +00:00
mycroft 332b7d5213 Add a DPADD. 1995-06-10 20:19:40 +00:00
christos a45947b2a4 Changed so that 'PATH=newpath command' works, instead of looking at the 
old path. Synced input.c with vangogh.
 1995-06-09 01:53:44 +00:00
cgd dcb82cbdbc needs string.h 1995-06-07 16:28:03 +00:00
christos 9d255ec409 Ignore result of sigaction when setting traps. Traps will succeed even 
on SIGKILL or SIGSTOP. This is what other bourne shells do. (suggested
by mycroft)
 1995-06-07 04:16:57 +00:00
christos b842cc2784 Avoid trapping SIGKILL. Pretend that we did, so that we will not keep 
failing trying to trap it later. This is what the other bourne shells do.
 1995-06-05 14:24:33 +00:00
christos 58e18fc330 Fixed bug where 
$ cat foo
echo $FOO

$ FOO=1 . ./foo
$ echo $FOO

Did not echo 1 at all. Now variable assignments before sourced scripts
are honored during and after the execution of the script.
 1995-05-28 18:09:48 +00:00
christos 4fb6f609aa Changed so that syntax errors (EXERROR) set the exit status to 2, 
and commands that are not found set the exit status to 1 like all
other bourne shells.
[It used to be 0 and 2 respectively]
 1995-05-19 15:08:55 +00:00
christos 56a08eccca Fixed bug where ${#} was interpreted incorrectly as ${#var} and thus 
misparsed. Keith Bostic reported it.
 1995-05-17 00:05:25 +00:00
cgd b5f33fc18e re-add an #endif that was (apprently) clobbered. 1995-05-15 03:29:54 +00:00
christos fbac2e9de2 Fixed new bug the previous fix introduced: 
false
    foo=bar
    echo $?

would print 1
Also fixed the long standing bug:

    false
    echo `echo $?`

would print 0
The exitstatus needs rethinking and rewriting. The trial and error method
is not very efficient
 1995-05-15 02:47:38 +00:00
christos 2e1970487e Fixed bug caused by previous x=`false` not preserving the exit status fix. 
The if statement exit status broke...
 1995-05-14 04:19:18 +00:00
christos 07bae7eddd Merge in my changes from vangogh, and fix the x=`false`; echo $? == 0 
bug.
 1995-05-11 21:28:33 +00:00
christos dae6c6b963 Added missing resource limits and recognize "unlimited" as RLIM_INFINITY 1995-04-11 03:17:45 +00:00
christos df504509f1 1. Don't core dump on 'fc -l' (From Gerard J van der Grinten) 
2. PATH=xxx ls, does the PATH assignment first and then tries to find ls in xxx
3. VAR=xxx exec ls, does the variable assignment.
 1995-03-31 21:58:09 +00:00
christos 6ee2193d9a Reverted to set - turning off -x and -v. Charles corrected me... It is part 
of POSIX.
 1995-03-26 17:25:10 +00:00
christos ad1f891148 set - 
does not anymore clear the -x and -v flags. This was incompatible with
all other bourne shell implementations.
 1995-03-25 23:45:24 +00:00
mycroft 6bfd77e432 Fix typo in previous. 1995-03-23 00:01:03 +00:00
mycroft 3e417cced4 Use sigprocmask(), not sigsetmask(). 1995-03-21 15:40:16 +00:00
cgd 49f0ad8601 convert to new RCS id conventions. 1995-03-21 09:01:59 +00:00
christos 5c42185b5c Oops... typo in the IFS previous fix. 1995-02-28 23:27:24 +00:00
christos 6ab1954578 Changed so that backquote expansion eats all trailing newlines, not just 
the last one.
Reported by guido@gvr.win.tue.nl (Guido van Rooij).
Repeat By:

	echo "`cat file-with-many-newlines`"
 1995-02-28 23:09:43 +00:00
christos 3936aab031 Changed IFS string-splitting so that it breaks spaces even when IFS does not 
begin with a space, but contains one. Fixes PR bin/809.

        #!/bin/sh
        list="a  b c "
        echo "With ordinary IFS"
        for i in $list;do
            echo $i
        done
        IFS=":${IFS}"
        echo "With changed IFS"
        for i in $list;do
            echo $i
        done

Note that before the fix ":${IFS}" behaved differently than "${IFS}:".
 1995-02-28 22:46:12 +00:00
mycroft f5ad44b6ac Use S_IS*(). 1995-01-30 19:30:13 +00:00
christos ad8d5369f5 I added the documented in the manual but not implemented variable expansions: 
${#WORD}
    ${WORD%PAT}
    ${WORD%%PAT}
    ${WORD#PAT}
    ${WORD##PAT}
 1995-01-23 06:33:03 +00:00
mycroft 4d643bf207 Remove `.' from default PATH. 1995-01-20 18:21:16 +00:00
mycroft c4459d08d9 Clean up deleted files. 1995-01-15 10:15:19 +00:00
mycroft 4bcd14e0b4 Remove the gratuitous `security' warning. 1995-01-15 09:29:16 +00:00
jtc cc9fe5ba6d Describe the : shell builtin. 
Fixes PR #712.
 1995-01-12 23:35:56 +00:00
mycroft e848bd4fb5 Fix that last bug in a less expensive way. 1994-12-31 23:56:54 +00:00
cgd 809218efc4 take two: make grabstackstr() work correctly, in the face of strange filling. 1994-12-31 01:56:16 +00:00
mycroft 1c21834ccb Remove previous misguided change. 1994-12-30 06:33:59 +00:00
cgd 58f1733118 be more careful with casts. 1994-12-23 13:24:39 +00:00
cgd 42f0dae5e3 pull prototypes into scope for string functions. 1994-12-23 13:24:10 +00:00
cgd 17ed2a67b2 pull some prototypes into scope. 1994-12-23 13:22:13 +00:00
cgd e9aebcc9d8 don't play fast and loose with memory block allcation. try to allocate 
in more-round sizes, but realize that not everybody will fill them up
exactly.
 1994-12-23 13:21:01 +00:00
cgd db1ae625b5 eliminate two wrong-sized variables which were unused. 1994-12-23 13:20:10 +00:00
cgd 73cf954189 adjust; from jimj. 1994-12-06 19:13:02 +00:00
cgd 4ce0d34a31 clean up further. more patches from Jim Jegers 1994-12-05 19:07:32 +00:00
cgd 5dad143982 from James Jegers <jimj@miller.cs.uwm.edu>: quiet -Wall, and squelch 
some of the worst style errors.
 1994-12-04 07:11:37 +00:00
jtc 6cd3ad1d11 ulimit builtin (PR #388) 
This public domain code, originally by Doug Gwyn, Doug Kingston, Eric
Gisin, and Michael Rendell was ripped from pdksh 5.0.8 and hacked for
use with ash.
 1994-11-04 17:13:27 +00:00