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38 Commits

Author SHA1 Message Date
elric e6bccfe4be Back out previous vfork changes. 2000-05-22 10:18:46 +00:00
elric 756a2ca1bd Now we use vfork(2) instead of fork(2) when we can. 2000-05-13 20:50:14 +00:00
simonb d2f6a4723d Include <errno.h> instead of using "extern int errno;". 2000-04-14 05:54:20 +00:00
christos d6ac7627ea Fix bin/9184, bin/9194, bin/9265, bin/9266 
Exitcode and negation problems (From Martin Husemann)
 2000-01-27 23:39:38 +00:00
christos 3d42469030 compile with WARNS = 2 1999-07-09 03:05:49 +00:00
christos 832949b912 When we execute commands from a shell script, make sure that the signals 
are being caught (reported by Alexis Rosen), similar to the -c case.

#!/bin/sh
vi "$@"

^C when the script is running...
 1999-03-27 13:46:19 +00:00
christos 1666f88d5d Fix the -c problem differently. We cannot just ignore SIGINT etc, otherwise 
we cannot interrupt sh -c <command>
 1999-02-05 21:21:27 +00:00
christos dd65252560 PR/1788: Shinya Taniguchi: sh -c does not setup signals properly. 
[Reminded to me by Alexis Rosen -- thx!]
 1999-02-04 11:20:40 +00:00
cjs 9063efaca0 Add -q option, which when used with -v and/or -x, turns off the tracing 
during the execution of /etc/profile, .profile and $ENV.
 1999-02-04 00:27:07 +00:00
itohy 362c3e31c9 The builtin . (dot) command no longer sees the current working directory 
even if the specified file is not in the PATH.
This change enforces security and makes it conform to POSIX.

Closes PR #6794.
I thought Christos committed this but not appeared yet. :)

The setstackmark()/popstackmark() pair in dotcmd(), used for freeing
stack storage possibly allocated by find_dot_file(), is redundant for now
since dotcmd() is surrounded by another pair in evalcommand().
This redundancy, however, may help future modifications
(suggested by Christos).
 1999-02-02 15:49:52 +00:00
mycroft ee9e50eacb Be more retentive about use of NOTREACHED and noreturn. 1998-07-28 11:41:40 +00:00
mycroft 9dc385beb1 Delint. 1998-07-28 05:31:22 +00:00
christos cd799663e4 Fix compiler warnings. 1997-07-04 21:01:48 +00:00
christos 23745b89db Don't call getpwd() because if that fails the shell cannot start. (from scott) 1997-04-11 23:01:44 +00:00
christos 2a9c11dd53 PR/287: Shell does not exit with 126/127 when permission denied/ 
command not found. Add extra exception type and generalize
	error handling routines to take that exception type. Use
	a global variable exerrno to keep the last exec error.
 1996-10-16 14:35:42 +00:00
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 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
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 07bae7eddd Merge in my changes from vangogh, and fix the x=`false`; echo $? == 0 
bug.
 1995-05-11 21:28:33 +00:00
cgd 49f0ad8601 convert to new RCS id conventions. 1995-03-21 09:01:59 +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 8cc67c8556 Don't source the file specified by $ENV if either the real and effective 
user IDs or the real and effective group IDs of the process are different.
Thanks to Mark Weaver who pointed this out in PR 262.
 1994-08-03 16:25:26 +00:00
mycroft cafd1f7e9f Add RCS ids. 1994-06-11 16:11:35 +00:00
jtc a81e412494 Include appropriate header files to bring function prototypes into scope. 1994-05-12 17:03:32 +00:00
jtc a3f60d8978 forgot some include files 1994-05-11 17:54:32 +00:00
jtc 52a20605b9 integrate NetBSD's path searching for dot files 1994-05-11 17:47:12 +00:00
jtc 37ed7877b2 sync with 4.4lite 1994-05-11 17:09:42 +00:00
jtc 036641804e Removed theo's change to check S_ISLNK() for dot commands. This is 
unnecessary, since stat() allready resolves symlinks (and fails, if
the link is broken).
 1994-01-26 19:50:03 +00:00
deraadt d7b3f4d90a source/$PATH thing for symbolic links too, reportedly 1994-01-25 21:05:34 +00:00
deraadt 90ac3da053 but don't try that for absolute or relative paths 1994-01-25 08:16:00 +00:00
deraadt be0472fcd1 make . (source) command search $PATH as it should. from dkionka@Cadence.COM (Daniel P. Kionka) and fixed by me 1994-01-25 07:59:25 +00:00
mycroft 8542364e07 Add RCS identifiers. 1993-08-01 18:49:50 +00:00
cgd 06be60083d changed "Id" to "Header" for rcsids 1993-03-23 00:22:59 +00:00
cgd 346aa5dd48 added rcs ids to all files 1993-03-22 08:04:00 +00:00
cgd 61f282557f initial import of 386bsd-0.1 sources 1993-03-21 09:45:37 +00:00