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cc4887cc10
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100 Commits

Author SHA1 Message Date
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
peter
5ec5b27841 Back out rev 1.7 which was to fix PR#1206 (to be reopened). 
This patch causes too many side effects, one of which bites hard is
when interrupting a 'make fetch' in the ports tree (PR#1990).
This whole area is a real can of worms....

This most definately should go into 2.2

Reviewed by: steve, bde
 1996-11-12 18:35:06 +00:00
ache
3bd90e16be 1) define STATIC as static and not empty 
2) replace collate_range_cmp call with its code
 1996-10-31 07:15:57 +00:00
steve
ac82f35222 Add the -p (privileged) commandline switch 
found in bash, zsh, and friends.

Reviewed by: joerg
 1996-10-29 03:12:51 +00:00
bde
e638a9f05e Build intermediate object files for mkinit, mknodes and mksyntax 
so that simple regresssion tests based on `cmp' work.  mkdep still
doesn't work right for these tools.  They should probably be in
separate directories.

Sorted dependencies.
 1996-10-25 14:49:24 +00:00
steve
0fef6071c4 Close PR# 1206. sh(1) now ignores SIGINT and SIGQUIT 
when a child is forked and the -c commandline switch
has been specified.

Reviewed by: joerg
 1996-10-22 03:02:07 +00:00
steve
0b67136d65 Benign | --> || correction. 1996-10-16 02:30:39 +00:00
steve
b5b97925c5 Fix a problem with sh that conflicts with the -e 
flag text in the man page.  Now this will work
correctly:

	/bin/sh -ec 'false && true; echo hi'

Obtained from: VaX#n8 <vax@linkdead.paranoia.com>
 1996-10-06 15:17:19 +00:00
peter
943436c3c8 re-activate the printf builtin now that src/usr.bin/printf.c has been 
tweaked to work as a builtin better (ie: calls the real printf formatting
code, not sh's cut-down out1fmt() function)
 1996-10-01 04:59:13 +00:00
adam
ee00aff02c Mend 'exit' without breaking 'exit 1' 
*blush* %-\

Pointed out by: bruce
 1996-09-12 12:41:46 +00:00
bde
073456f615 Backed out last change. It broke even `exit 1'. 1996-09-12 02:23:33 +00:00
peter
614a655c28 Ok, lets try this again, shall we? It was definatly my mistake, not 
Steve's.. :-]
 1996-09-10 02:42:33 +00:00
peter
3d58e0bf86 ack! back these out so I can see what I did wrong. It looks like a 
patch-by-hand botch, but it sig-11's during make world.
 1996-09-10 02:07:27 +00:00
peter
aae29b5fef Fix for PR#1248, sh doesn't expand past ${9} 
Submitted by: Steve Price <sprice@hiwaay.net>
 1996-09-10 01:24:11 +00:00
adam
84c0874422 let the "exit" command return status when it is implicit 1996-09-08 03:12:22 +00:00
peter
ad9b91037f eek, how did that happen? I must have committed something left over from 
when I was experimenting looking for an alternate format.  *blush*
 1996-09-03 14:24:44 +00:00
peter
0475c084c2 Fix for PR#1287. This makes sh behave sensibly in case statements in the 
face of aliases.  Note, bash doesn't do aliases while running scripts, but
"real" ksh does..

Also:
  Reduce redundant .Nm macros in (unused) bltin/echo.1
  nuke error2, it's hardly used.
  More -Wall cleanups
  dont do certain history operations if NO_HISTORY defined
  handle quad_t's from resource limits

Submitted by: Steve Price <sprice@hiwaay.net>  (minor tweaks by me)
 1996-09-03 14:16:06 +00:00