Commit Graph

50 Commits

Author SHA1 Message Date
stefanf
9135b54d07 MFC: Fix expanding of quoted positional parameters in case patterns. 2006-11-22 00:28:04 +00:00
stefanf
16d01601a5 MFC: Report invalid parameter expansions only when they are executed. 2006-11-22 00:26:06 +00:00
stefanf
58babfa98f Sync with HEAD's code:
- Support for command -v and -V.
- Fixes for the errexit option.
- A fix for a crash caused by SIGINT.
- POSIX compliant set +o ouput.
- A fix for unalias' exit code.
- Man page updates.
- Code cleanups, WARNS 3.
2005-11-06 20:39:48 +00:00
delphij
909e7ff886 Fix a bug when shell expansion is done against dangling symlinks, by
converting the stat() call to a lstat() call, which will cover the
situation.  One can exercise this bug by referring a dangling link with
something like */the-link.

Approved by:	re (scottl)
Submitted by:	Simon 'corecode' Schubert [corecode fs ei tum de]
Obtained from:	NetBSD via DragonFlyBSD (NetBSD rev. 1.51 and DragonFly
		rev. 1.6)
MFC After:	3 days
2005-07-07 18:10:33 +00:00
markm
4383f14801 Remove clause 3 from the UCB licenses.
OK'ed by:	imp, core
2004-04-06 20:06:54 +00:00
ache
df9eb04e40 Remove collate_range_cmp() stabilization, it conflicts with ranges 2003-08-03 04:28:10 +00:00
dds
34719e1dbb Changes following CScout analysis:
- Removed dead declarations
- Made objects that should have been declared as static, static.

The changes use STATIC instead of static, following the existing
convention in the rest of the code.

Approved by:	schweikh (mentor)
MFC after:	2 weeks
2003-07-05 15:18:44 +00:00
fenner
99d6402b40 Instead of eating trailing newlines after inserting them into the
output buffer, don't insert them at all.  This prevents a buffer
*underrun* when the substitution consists completely of newlines
(e.g. `echo`) and the byte before the source buffer to which p
points is a '\n', in which case more characters would be removed
from the output buffer than were inserted.

This fixes certain port builds on sparc64.

Approved by:	re (scottl)
Reviewed by:	des, tjr
2003-05-31 06:27:57 +00:00
ru
6999b65340 Fixed (soon might be fatal) -Wformat warnings. 2003-03-15 07:56:59 +00:00
tjr
d53165c37b Do not strip CTL* escapes from redirection filenames in exptilde(),
expari(), expbackq() and evalvar(). Similar to revision 1.39.
Patch from Tor Egge.

PR:		45349
MFC after:	2 weeks
2003-01-08 10:50:08 +00:00
tjr
3b9687df3d Add the "wordexp" shell built-in command which will be used to implement
the POSIX wordexp() function.
2002-12-26 14:28:54 +00:00
tjr
33d1a8b9c2 Do not strip CTL* escapes from redirection filenames in argstr(); they
are later stripped with rmescapes() in expandarg(). If the filename has
already been unescaped, doing it again in rmescapes() can walk off the
end of the string, leading to memory corruption and eventually SIGSEGV.

Noticed by:	kris
2002-10-08 11:22:49 +00:00
charnier
c88222c6c0 Replace various spellings with FALLTHROUGH which is lint()able 2002-08-25 13:01:47 +00:00
obrien
f6f518b207 Consistently use FBSDID 2002-06-30 05:15:05 +00:00
tjr
b19972e699 Implement the -u (-o nounset) option, which gives an error message if
an unset variable is expanded.

Obtained from:	NetBSD (bjh21, christos)
2002-05-19 08:30:16 +00:00
imp
5ef5088ac4 o __P has been reoved
o Old-style K&R declarations have been converted to new C89 style
o register has been removed
o prototype for main() has been removed (gcc3 makes it an error)
o int main(int argc, char *argv[]) is the preferred main definition.
o Attempt to not break style(9) conformance for declarations more than
  they already are.
o Change
	int
	foo() {
	...
  to
	int
	foo(void)
	{
	...
2002-02-02 06:50:57 +00:00
tegge
b0e7279ba2 Don't check uninitialized memory for having the shell control character
value CTLARI since this might break expansion of arithmetic expressions.

Don't access memory below start of stackblock.

Problem analyzed by hunt@iprg.nokia.com, slightly different patch applied.

PR:		24443
Submitted by:	hunt@iprg.nokia.com
2001-09-19 20:16:38 +00:00
tegge
0c39138a0b BASESYNTAX, DQSYNTAX, SQSYNTAX and ARISYNTAX handles negative indexes.
Allow those to be used to properly quote characters in the shell
control character range.
2001-09-19 20:07:47 +00:00
cracauer
31c479dcd8 Fix environment passung to eval'ed commands.
PR:		bin/6577
Submitted by:	Anatoly Vorobey <mellon@pobox.com>
Approved by:	silence amoung other sh experts
2000-05-15 12:33:17 +00:00
cracauer
ea70a76b31 First round of 8-bit fixes. 1999-12-15 11:46:32 +00:00
cracauer
46e40e0c76 Fix "subscript has type `char'" warnings by casting to int, as
discussed on -arch.
1999-12-04 17:12:47 +00:00
peter
66312e4a8d $Id$ -> $FreeBSD$ 1999-08-27 23:15:48 +00:00
kris
713dd62834 Various spelling/formatting changes.
Submitted by: Philippe Charnier <charnier@xp11.frmug.org>
1999-05-08 10:22:15 +00:00
cracauer
da2b842fad Next approach to make loops in interactive interruptable.
PR:		bin/9173
1999-04-21 11:52:39 +00:00
tegge
82a8c819f3 During variable expansion, the internal representation of the expression
might be relocated.  Handle this case.
PR:		7059
1999-04-13 04:13:09 +00:00
tegge
e35119550e When a variable expansion is enclosed in double quotes, the internal
representation of the expression is quoted.  Take care of this when
doing pattern matching in conjunction with trimming.

	#!/bin/sh
	c=d:e; echo "${c%:e}"

PR:		NetBSD PR#7231
Noticed by:	Havard Eidnes <Havard.Eidnes@runit.sintef.no>
1999-04-09 15:23:48 +00:00
tegge
c82e121ce7 Be more consistent with handling of quote mark control character.
Don't output double-quotes inside variable expansion/arithmetic
expansion region in here-documents.  When leaving the arithmetic
expansion syntax mode, adjust the dblquote flag according to
previous syntax, in order to avoid splitting of quoted variables.
1998-09-13 19:24:57 +00:00
tegge
ac59a0c5cd Better handling of word splitting. Don't record the same region
multiple times when performing nested variable expansion, and
preserve some quoting information in order to avoid removing
apparently empty expansion result.
1998-09-06 21:13:09 +00:00
charnier
86bc037e71 Add rcsid. Spelling. 1998-05-18 06:44:24 +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
2f84314766 Use the __unused attribute where warranted. 1997-05-19 00:18:52 +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
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
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
c58aca035e Merge in NetBSD mods and -Wall cleaning.
Obtained from: NetBSD, me
1996-12-14 06:20:03 +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
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
peter
5195be912e Merge of 4.4-Lite2 sh source, plus some gcc -Wall cleaning. This is a
merge of parallel duplicate work by Steve Price and myself. :-]

There are some changes to the build that are my fault...  mkinit.c was
trying (poorly) to duplicate some of the work that make(1) is designed to
do.  The Makefile hackery is my fault too, the depend list was incomplete
because of some explicit OBJS+= entries, so mkdep wasn't picking up their
source file #includes.

This closes a pile of /bin/sh PR's, but not all of them..

Submitted by: Steve Price <steve@bonsai.hiwaay.net>, peter
1996-09-01 10:22:36 +00:00
ache
05aa8617cf Convert to newly added collate compare function 1996-08-12 19:31:11 +00:00
ache
8affe69b98 Localize it 1996-08-11 22:51:00 +00:00
rgrimes
1888033949 Remove trailing whitespace.
Reviewed by:	phk
1995-05-30 00:07:29 +00:00
guido
a28e8018c8 Fix the deletion of trailing newlines with backquote expansion.
Reviewed by:
Submitted by:
Obtained from:
1995-03-01 13:04:15 +00:00
dg
8722740e7f Added $Id$ 1994-09-24 02:59:15 +00:00
rgrimes
e3cfc8ce61 BSD 4.4 Lite bin Sources 1994-05-26 06:18:55 +00:00