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126 Commits

Author SHA1 Message Date
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
mycroft
06f53b6838 Eliminate uses of some obsolete functions. 1994-09-23 11:28:39 +00:00
mycroft
d22a514772 Fix problem with character classes matching a terminating NUL, from Henry 
Spencer.
 1994-08-29 01:54:39 +00:00
mycroft
08a6730054 Fix a core dump and another parse error related to null commands. 1994-08-24 05:48:26 +00:00
jtc
8cc67c8556 Don't source the file specified by $ENV if either the real and effective 
user IDs or the real and effective group IDs of the process are different.
Thanks to Mark Weaver who pointed this out in PR 262.
 1994-08-03 16:25:26 +00:00
jtc
7acf86db2f Don't dump core when evaluating X % 0. 
Simplify lexer by using %prec feature in yacc grammar.
Implement most of the operators required by POSIX.2.
 1994-07-15 23:45:30 +00:00
mycroft
aaed410145 Fix some problems with empty commands. 1994-07-07 20:53:32 +00:00
mycroft
188b97d955 Bandaid quoting. 1994-07-07 16:24:34 +00:00