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116 Commits

Author SHA1 Message Date
steve
27cda073a4 Correct a bogon in an example. 
PR:		5415
Submitted by:	Sergei S. Laskavy <laskavy@pc759.cs.msu.su>
 1998-01-02 19:23:05 +00:00
alex
0f42dce470 Added $Id$. 1997-12-29 00:00:10 +00:00
eivind
2208ac1acf Remove simultaneous include of <sys/param.h> and <sys/types.h>. 
Reorder includes to be alphabetical some places since I already was in
here.
 1997-12-10 22:18:54 +00:00
jdp
33bb94d305 Document the exit status for a command that was terminated by a 
signal.
 1997-11-12 04:32:50 +00:00
bde
9dbc4bc4ff Fixed some type and value mismatches. setsignal() returned a bogusly 
cast value that was always ignored.  Rev.1.9 of trap.c made this
more bogus by returning a semantically different value after calling
siginterrupt().  Avoid these problems by not returning a value.
 1997-11-10 11:32:24 +00:00
ache
01ee8c1bbd 1) Fix longstanding bug: 
trap 'echo xxx' 1 2 3 15
	read x
is not interrupted by ^C (due to restartable read syscall) and must be
interrupted per POSIX
Worse case:
	read -t 5 x
hangs forever after ^C pressed (supposed to timeout after 5 secs)
Fixed by adding siginterrupt(signo, 1) after catch handler installed

2) Do not reinstall sighandler immediately after it is called,
BSD do it for us
 1997-11-05 23:33:58 +00:00
jkh
418d0a6a92 Changes to support full make parallelism (-j<n>) in the world 
target.
Reviewed by:	<many different folks>
Submitted by:	Nickolay N. Dudorov" <nnd@nnd.itfs.nsk.su>
 1997-10-05 09:40:24 +00:00
msmith
c0121f12cf Add the '-t timeout' option to the 'read' builtin. This allows the 
'read' command to return an error if the user fails to supply any
input withink a given time period.  The behaviour of this option is
similar to that of the like-named option in ksh93.

Reviewed by:	joerg
 1997-09-29 15:15:16 +00:00
wosch
bb524100fb PR: docs/4449 
The -c flag is not documented in the sh(1) manapge.

Submitted by: adrian@virginia.edu
 1997-09-13 17:40:00 +00:00
bde
c0ad342824 Restored clobbered parts of rev.1.15 (build intermediate object files 
for tools).
 1997-08-25 19:50:01 +00:00
steve
4d76e42e81 Make all status values an integral type and use 
pid_t when referring to process IDs.
 1997-08-18 02:53:20 +00:00
jkh
e5f80c5114 Back out previous fix - this bug's got diplomatic immunity as a registered 
political issue.
 1997-06-19 17:57:06 +00:00
jkh
7f875c5f66 >Number: 3780 
>Category:       bin
>Synopsis:       WEXITSTATUS() may return nagative value, which causes sh to generate bad $?

PR:		3780
Submitted by:	sanewo@ba2.so-net.or.jp
 1997-06-19 15:14:01 +00:00
ache
837346c6cf Now [^abc] means the same as [!abc] like bash and *csh already does 1997-06-06 23:04:33 +00:00
steve
27968b9dee Make sh(1) less aware of the bit fields returned by wait by 
using the WIF* macros in sys/wait.h.

PR: bin/3668
Submitted by:	dholland@eecs.harvard.edu
 1997-05-24 21:04:55 +00:00
steve
bc7339d881 Remove y.tab.h from the beforedepend target. Also add a 
rule that shows the dependency of arith_lex.[co] on y.tab.h.

Suggested by: Bruce Evans <bde@zeta.org.au>
 1997-05-21 03:23:23 +00:00
steve
cc4887cc10 Add explicit y.tab.h rule so that 'make depend clean all' does 
not fail with an "don't know how to make y.tab.h" error.
 1997-05-19 00:29:29 +00:00
steve
2f84314766 Use the __unused attribute where warranted. 1997-05-19 00:18:52 +00:00
steve
a5235db275 Miscellaneous sorting and addition of rules for object files that 
depend on generated headers.

Reviewed by:	Bruce Evans <bde@zeta.org.au>
 1997-05-19 00:16:27 +00:00
steve
360ef2058c Revise the section that explains how to protect parts of an $ENV script 
from being executed in non-interactive mode.

Suggested and Reviewed by: Brian Somers <brian@freebsd.org>
 1997-05-07 11:42:00 +00:00
steve
ed817524a2 Don't source $ENV unless this is an interactive shell. 1997-05-05 03:45:17 +00:00
steve
c2743ee837 Turn on the new type builtin. 1997-04-28 03:50:07 +00:00
steve
9b0ffd7cdc Sync with NetBSD's revision 1.29 of this file. 
Obtained from: NetBSD
 1997-04-28 03:28:43 +00:00
steve
6186f8a0bf Remove an extra semicolon and nuke register keyword usage. 1997-04-28 03:27:12 +00:00
steve
1601bfa863 Fix redirection of unopened file descriptors and nuke register 
keyword usage.

Obtained from: NetBSD
 1997-04-28 03:25:13 +00:00
steve
bd025769ba Revert changes from rev 1.16 to 1.17 for now. Closes PR 2879. 1997-04-28 03:22:09 +00:00
steve
4636b4b5ee mdoc-ify and cleanup UNIMPLEMENTED messages. Closes PR 2880. 1997-04-28 03:20:09 +00:00
steve
f781548b1d Reorder declarations slightly. 1997-04-28 03:17:51 +00:00
steve
1da8ca45aa Avoid a possible NULL pointer dereference, nuke register usage, 
and remove an unnecessary reset.

Obtained from: NetBSD
 1997-04-28 03:16:12 +00:00
steve
a503bbc21f Nuke register keyword usage, #if -> #ifdef, and avoid void * 
arithmetic.

Obtained from: NetBSD
 1997-04-28 03:14:04 +00:00
steve
6ce1ec6c04 Nuke register keyword usage, rename pread to preadfd, and open 
input files FD_CLOEXEC.

Obtained from: NetBSD
 1997-04-28 03:11:52 +00:00
steve
101652d621 When NO_HISTORY is defined and the history command is used 
show an error message.

Inspired by: NetBSD
 1997-04-28 03:10:31 +00:00
steve
d13866ebb9 Add a type builtin and nuke register keyword usage. 
Obtained from: NetBSD
 1997-04-28 03:08:38 +00:00
steve
2b784fa564 Nuke register keyword usage and #if -> #ifdef. 
Obtained from: NetBSD
 1997-04-28 03:06:52 +00:00
steve
9c7a4e1848 Shamelessly pilfer most of NetBSD's Makefile so that the 
problem with 'make -j n' and no .depend file goes away.
I think Bruce mentioned this somewhere on one of the
mailing lists.

Obtained from: NetBSD
 1997-04-28 03:03:23 +00:00
imp
054f35c222 compare return value from getopt against -1 rather than EOF, per the final 
posix standard on the topic.
 1997-03-28 15:24:41 +00:00
peter
83b3c2c161 Revert $FreeBSD$ to $Id$ 1997-02-22 14:13:04 +00:00
steve
45d17b0093 Fix a expansion bug that caused the result of echo $((1 << 30)) 
to get truncated.

Submitted by: bde
 1997-02-16 01:54:19 +00:00
jkh
808a36ef65 Make the long-awaited change from $Id$ to $FreeBSD$ 
This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so long.

Boy, I'm glad we're not using sup anymore.  This update would have been
insane otherwise.
 1997-01-14 07:20:47 +00:00
steve
774419801b Fix a problem that caused some foreground pipelines to die with: 
tcsetpgrp failed, errno=1

Discovered and Reviewed by: joerg
 1997-01-06 01:26:44 +00:00
steve
5936b56fef Make sh(1) think and be in the same place at the same time. This closes 
PR#2331: strange output of sh's pwd on symlinked directories.
 1997-01-04 19:14:29 +00:00
steve
3d5f13bf93 With these changes sh(1)'s trap command should be POSIX-compliant, 
while remaining (becoming :) compatible with other popular shells.
Specifically these changes include:

1) Implement 'trap -l' to get a list of valid signals names.  This
   is useful if you wanted to do something like reset all signal
   handlers to there defaults values, in which case something like
   this will do the trick.

	trap `trap -l`

2) Reformat the output of 'trap' so it can be saved and later eval'd
   to restore the saved settings.

3) Allow the use of signal names as well as signal numbers.

4) Fix trap handling of SIGCHLD so that commands like the following
   (albeit, contrived) won't cause sh(1) to recurse ad infinitum.

	trap uname 0 20

5) Make variables static that are used only in trap.c.

6) Minor 'style(9) police' mods.
 1996-12-24 23:59:53 +00:00
steve
dfe5d3d364 Oops, it needs little more caulk to get it right. 1996-12-23 22:29:03 +00:00
steve
6da76fc1dd Apply a little dab of bit caulk to keep those beggars 
from leaking out.

Noticed by: bde
 1996-12-23 22:16:35 +00:00
steve
c9faf62a80 Don't use _POSIX_PATH_MAX to limit the size of the path, instead 
use 'getcwd(NULL, 0)' just as pwd(1) does.

Suggested by: bde
 1996-12-23 05:31:48 +00:00
steve
cd89de39c0 Make sh(1) a little braver in the face of adversity. sh(1) 
now handles the getpwd() init problem the same way as bash
and ksh do.  Also while I was in here, I cleaned up the format
a little, removed some unnnecessary #if SYMLINKS cruft, and
changed the pwd builtin to use getcwd(3) as Joerg suggested.
 1996-12-21 22:09:40 +00:00
steve
705d04d9c4 This doesn't change any behavior, but may be a slight 
optimization.  (num-- > 0) --> (--num >= 0).

Obtained from: NetBSD
 1996-12-21 15:16:32 +00:00
steve
1b5cb4ee0a Remove extra #undef. 1996-12-21 14:57:38 +00:00
steve
f831af1d64 Fix a problem caused by finger failure on my part. The builtin 
getopts should now work as expected.  This fix was in the NetBSD
code that I was merging from but missed getting into FreeBSD's
version because of 'drain bamage' on my part.

Submitted by:	NetBSD, joerg
 1996-12-21 13:21:57 +00:00
steve
c58aca035e Merge in NetBSD mods and -Wall cleaning. 
Obtained from: NetBSD, me
 1996-12-14 06:20:03 +00:00