| Commit message (Collapse) | Author | Age | Files | Lines |
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changes that have crept into the GPL v2.
p4raw-id: //depot/perl@30408
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in the terse installation instructions in README.
p4raw-id: //depot/perl@29227
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Message-Id: <7BF48AB1-5285-4A9D-929B-8DD697348664@fsck.com>
p4raw-id: //depot/perl@29223
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p4raw-id: //depot/perl@26572
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p4raw-id: //depot/perl@23738
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Message-ID: <Pine.SOL.4.58.0406011619090.4066@maxwell.phys.lafayette.edu>
p4raw-id: //depot/perl@22890
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p4raw-id: //depot/perl@22733
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(Lots of Perl 5 source code archaeology was involved.)
Larry didn't make strangled noises when I showed him
the patch, either :-)
p4raw-id: //depot/perl@19242
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p4raw-id: //depot/perl@18807
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p4raw-id: //depot/perl@18801
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Message-ID: <20020223013522.GA8694@not.autrijus.org>
p4raw-id: //depot/perl@14841
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p4raw-id: //depot/perl@14391
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Message-Id: <20011108135902.2275.qmail@plover.com>
p4raw-id: //depot/perl@12898
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p4raw-id: //depot/perl@8289
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Message-Id: <200008291938.VAA98259@smtp1.nikoma.de>
p4raw-id: //depot/perl@6894
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Subject: Patch for README
Message-ID: <20000802132509.I10379@chaos.wustl.edu>
p4raw-id: //depot/perl@6505
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years (from Gisle Aas)
p4raw-id: //depot/perl@5009
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p4raw-id: //depot/perl@4433
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To: Jarkko Hietaniemi <jhi@iki.fi>
cc: perl5-porters@perl.org
Subject: Re: Perl Installation Problem
Message-ID: <Pine.SOL.3.91.990729144440.1035A-100000@gateway.grumman.com>
and private email from Andy Dougherty.
p4raw-id: //depot/cfgperl@3900
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p4raw-id: //depot/perl@3202
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p4raw-id: //depot/perl@1871
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p4raw-link: @753 on //depot/maint-5.004/perl: d1828021020f24bd64418fabe04b27e70428ad8d
p4raw-link: @752 on //depot/maint-5.004/perl: 34b6b77de831d6635128d32b913e21377b083965
p4raw-id: //depot/win32/perl@932
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[editor's note: The changes between this and 5.004 were processed from
the m1t2 release, which was a bad idea as it was the _01 release which
had the final corrected attributions. The differences between the
various m*t* releases do that; I considered it most valuable just to
look at the _NN releases. Many patches have been separated out and/or
applied from the p5p archives nonetheless.]
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BUILD PROCESS
Subject: Make configure.gnu a copy of configure; make configure writea
From: Chip Salzenberg <chip@atlantic.net>
Files: MANIFEST configure.gnu
Subject: Regen Configure with metaconfig: +ARCHNAME, -FILE_filbuf
From: Chip Salzenberg <chip@perl.com>
Files: Configure config_H config_h.SH hints/lynxos.sh os2/diff.configure os2/os2ish.h plan9/config.plan9 sv.c utils/perlbug.PL vms/config.vms vms/fndvers.com
Subject: Compile with optimization when testing memory functions
From: Chip Salzenberg <chip@atlantic.net>
Files: Configure
CORE LANGUAGE CHANGES
Subject: Disallow changing $_[0] in __DIE__ handlers
From: Chip Salzenberg <chip@atlantic.net>
Files: pod/perlfunc.pod util.c
Subject: Fix overloading with inheritance and AUTOLOAD
Date: Mon, 20 Jan 1997 17:26:32 -0500 (EST)
From: Ilya Zakharevich <ilya@math.ohio-state.edu>
Files: gv.c lib/diagnostics.pm lib/overload.pm pod/perldebug.pod pod/perldiag.pod pod/perlfunc.pod pod/perlop.pod pod/perlre.pod pod/perltoc.pod pod/perlxs.pod
Msg-ID: <199701202226.RAA05072@monk.mps.ohio-state.edu>
(applied based on p5p patch as commit e7ea3e70155d0bea30720ba41eb6bb6742aac0d1)
Subject: Nested here-docs
Date: Mon, 20 Jan 1997 15:13:42 -0800
From: Larry Wall <larry@wall.org>
Files: toke.c
Msg-ID: <199701202313.PAA11693@wall.org>
(applied based on p5p patch as commit fd2d0953290ddd46f0820dbd6c87245486b7ab28)
Subject: Revert $^X to old behavior (plus HP-UX bug fix)
From: Chip Salzenberg <chip@atlantic.net>
Files: hints/hpux.sh toke.c
Subject: Protect against '0' in 'stmt while <HANDLE>'
From: Chip Salzenberg <chip@atlantic.net>
Files: op.c
Subject: Don't warn when closure uses var at file scope
From: Chip Salzenberg <chip@atlantic.net>
Files: op.c
CORE PORTABILITY
Subject: VMS patches for _22
Date: Mon, 20 Jan 1997 22:50:21 -0500 (EST)
From: Charles Bailey <bailey@HMIVAX.HUMGEN.UPENN.EDU>
Files: ext/POSIX/POSIX.xs lib/ExtUtils/MM_VMS.pm lib/ExtUtils/xsubpp lib/Test/Harness.pm toke.c vms/Makefile vms/descrip.mms vms/genconfig.pl vms/perly_c.vms vms/vmsish.h x2p/a2p.h vms/Makefile vms/config.vms vms/descrip.mms vms/perly_c.vms
private-msgid: <01IEGBJ2TMYS003PCL@hmivax.humgen.upenn.edu>
Subject: Plan9 update
From: Luther Huffman <lutherh@stratcom.com>
Files: plan9/config.plan9 plan9/mkfile
Subject: hints & Configure changes to build perl on DC/OSx
Date: Thu, 16 Jan 1997 16:43:52 -0800
From: Stephen Zander <stephen.zander@interlock.mckesson.com>
Files: Configure MANIFEST hints/dcosx.sh
Msg-ID: <199701170043.QAA25985@wsbip1.mckesson.com>
(applied based on p5p patch as commit 23f8769697279d7912be5943de9fdf93f6aa3013)
DOCUMENTATION
Subject: Additional docs for __DIE__ and __WARN__
From: Gurusamy Sarathy <gsar@engin.umich.edu>
Files: pod/perlfunc.pod pod/perlrun.pod pod/perlvar.pod
Subject: Document #line directive
Date: Fri, 24 Jan 1997 04:08:44 -0500
From: Gurusamy Sarathy <gsar@engin.umich.edu>
Files: pod/perlsyn.pod pod/perltoc.pod
private-msgid: <199701240908.EAA23846@aatma.engin.umich.edu>
Subject: delta for perldelta
Date: Fri, 24 Jan 1997 07:57:43 -0800
From: Tom Christiansen <tchrist@mox.perl.com>
Files: pod/perlnews.pod pod/perltoc.pod
private-msgid: <804.854121463@jinete>
Subject: Updates to perldelta
Date: Mon, 20 Jan 1997 06:48:49 -0500 (EST)
From: Ilya Zakharevich <ilya@math.ohio-state.edu>
Files: pod/perlnews.pod pod/perltoc.pod
private-msgid: <199701211610.LAA06227@monk.mps.ohio-state.edu>
Subject: perlnews.pod diff for the Fcntl
Date: Tue, 21 Jan 1997 18:00:56 +0200 (EET)
From: Jarkko Hietaniemi <jhi@cc.hut.fi>
Files: pod/perlnews.pod
private-msgid: <199701211600.SAA30117@alpha.hut.fi>
Subject: Rename perlnews -> perldelta per Tom's request
From: Chip Salzenberg <chip@atlantic.net>
Files: MANIFEST pod/Makefile pod/buildtoc pod/perl.pod pod/perldelta.pod pod/perltoc.pod pod/roffitall
LIBRARY AND EXTENSIONS
Subject: Refresh IO to 1.15 (plus DESTROY and new_tmpfile fixes)
From: Chip Salzenberg <chip@atlantic.net>
Files: ext/IO/lib/IO/File.pm ext/IO/lib/IO/Handle.pm ext/IO/lib/IO/Pipe.pm ext/IO/lib/IO/Seekable.pm ext/IO/lib/IO/Socket.pm t/lib/io_pipe.t
Subject: Allow IO.xs to remain at 1.15 while $VERSION is 1.1501
From: Chip Salzenberg <chip@atlantic.net>
Files: XSUB.h ext/IO/Makefile.PL ext/IO/lib/IO/Handle.pm
Subject: Add E* and SA_* constants
Date: Wed, 22 Jan 1997 21:36:07 -0500
From: Roderick Schertler <roderick@gate.net>
Files: ext/POSIX/POSIX.pm ext/POSIX/POSIX.pod ext/POSIX/POSIX.xs
private-msgid: <23338.853986967@eeyore.ibcinc.com>
OTHER CORE CHANGES
Subject: Make PERL5LIB and -I work like C<use lib>
Date: Thu, 23 Jan 1997 15:23:27 +0000
From: Tim Bunce <Tim.Bunce@ig.co.uk>
Files: lib/lib.pm perl.c
private-msgid: <9701231523.AA26613@toad.ig.co.uk>
Subject: Fix /\G.a/
From: Chip Salzenberg <chip@atlantic.net>
Files: regcomp.c regcomp.h regexec.c regexp.h toke.c
Subject: Extend stack in pp_undef (!)
From: Chip Salzenberg <chip@atlantic.net>
Files: pp.c
Subject: Allow for sub to be redefined while executing
From: Chip Salzenberg <chip@atlantic.net>
Files: cop.h pp_hot.c t/op/misc.t
Subject: Eliminate redundant flag CVf_FORMAT
From: Chip Salzenberg <chip@atlantic.net>
Files: cv.h op.c perl.c perly.c perly.y proto.h sv.c toke.c
Subject: Generate IVs when possible in abs() and int()
From: Chip Salzenberg <chip@atlantic.net>
Files: pp.c
Subject: Efficiency patchlet for pp_aassign()
Date: Mon, 20 Jan 1997 22:05:39 -0500 (EST)
From: Ilya Zakharevich <ilya@math.ohio-state.edu>
Files: pp_hot.c
Msg-ID: <199701210305.WAA05451@monk.mps.ohio-state.edu>
(applied based on p5p patch as commit 7e42bd57a6867e174bc3bc555c3268b485940a98)
Subject: Remove "suidperl security patch" message
From: Chip Salzenberg <chip@atlantic.net>
Files: perl.c
TESTS
Subject: Fix tests of $^X and $0 to work with QNX
From: Chip Salzenberg <chip@atlantic.net>
Files: t/lib/io_pipe.t t/lib/open2.t t/lib/open3.t t/op/magic.t
Subject: Patch tests for systems without fork()
Date: Thu, 23 Jan 1997 23:51:28 +0100
From: "Norbert Pueschel" <pueschel@imsdd.meb.uni-bonn.de>
Files: t/io/pipe.t t/lib/filehand.t t/lib/io_pipe.t t/lib/io_sock.t t/lib/open2.t t/lib/open3.t t/op/fork.t
private-msgid: <77724697@Armageddon.meb.uni-bonn.de>
Subject: Test patches for OS/2
Date: Thu, 16 Jan 1997 23:48:18 -0500 (EST)
From: Ilya Zakharevich <ilya@math.ohio-state.edu>
Files: os2/OS2/ExtAttr/t/os2_ea.t os2/OS2/PrfDB/t/os2_prfdb.t os2/OS2/REXX/t/rx_cmprt.t os2/OS2/REXX/t/rx_dllld.t os2/OS2/REXX/t/rx_objcall.t os2/OS2/REXX/t/rx_sql.test os2/OS2/REXX/t/rx_tiesql.test os2/OS2/REXX/t/rx_tievar.t os2/OS2/REXX/t/rx_tieydb.t os2/OS2/REXX/t/rx_varset.t os2/OS2/REXX/t/rx_vrexx.t t/README t/cmd/while.t t/comp/colon.t t/comp/multiline.t t/io/argv.t t/lib/anydbm.t t/lib/gdbm.t t/lib/ndbm.t t/lib/odbm.t t/lib/sdbm.t t/op/cmp.t t/op/magic.t
Msg-ID: <199701170448.XAA28948@monk.mps.ohio-state.edu>
(applied based on p5p patch as commit bbad36071d5a6d4be3588f0f10c88247439076d8)
UTILITIES
Subject: Translate \200 to È in pod2html
From: Chip Salzenberg <chip@atlantic.net>
Files: pod/pod2html.PL
Subject: VMS patches: '.com' extension on scripts
Date: Fri, 24 Jan 1997 18:42:29 -0500 (EST)
From: Charles Bailey <bailey@HMIVAX.HUMGEN.UPENN.EDU>
Files: pod/checkpods.PL pod/pod2html.PL pod/pod2latex.PL pod/pod2man.PL pod/pod2text.PL utils/c2ph.PL utils/h2ph.PL utils/h2xs.PL utils/perlbug.PL utils/perldoc.PL utils/pl2pm.PL utils/splain.PL vms/Makefile vms/descrip.mms x2p/find2perl.PL x2p/s2p.PL
private-msgid: <01IELNPDLYJM003E7J@hmivax.humgen.upenn.edu>
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[editor's note: no patch file was found for this release, so no
fine-grained changes]
I can't find the password for our ftp server, so I had to drop it into
ftp://ftp.sems.com/pub/incoming/perl5.002b3.tar.gz, which is a drop
directory you can't ls.
The current plan is that Andy is gonna whack on this a little more, and
then release a gamma in a few days when he's happy with it. So don't get
carried away. This is now *late* beta.
In other words, have less than the appropriate amount of fun. :-)
Larry
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To apply, change to your perl directory, run the command above, then
apply with
patch -p1 -N < thispatch.
This is a consolidation patch. It contains many of the most commonly
applied or agreed-to patches that have been circulating since
patch.1m.
It also changes the 'unofficial patchlevel' in perl.c.
There are some problems (see items marked with '***').
I will attempt to address those in a patch.1o in a few days.
This patch contains the following packages:
My Jumbo Configure patch vs. 1m, with subsequent patches 1, 2, and 3.
Mainly, this provides easier use of local libraries, documents
the installation process in a new INSTALL file, moves important
questions towards the beginning, and improves detection of
signal names (mostly for Linux).
xsubpp-1.922.
Patches from Larry:
eval "1" memory leak patch (as modified by GSAR to apply to 5.001m).
NETaa14551 Infinite loop in formats,
NETaa13729 scope.c patch (fixed problems on AIX and others)
NETaa14138 "substr() & s///" (pp_hot.c)
Patches from ftp.perl.com:
ftp://ftp.perl.com/pub/perl/src/patches/closure-bug.patch,
version of 20 Sep 1995
Includes fix for NETaa14347 (32k limit in regex), and other
fixes.
ftp://ftp.perl.com/pub/perl/src/patches/debugger.patch,
version of 27 Aug 1995
ftp://ftp.perl.com/pub/perl/src/patches/glob-undef.patch,
version of 4 Sep 1995
NETaa14421 $_ doesn't undef
ftp://ftp.perl.com/pub/perl/src/patches/op-segfault.patch,
version of 21 Aug 1995
ftp://ftp.perl.com/pub/perl/src/patches/warn-ref-hash-key.patch,
version of 5 Jun 1995
Tim Bunce's Jumbo DynaLoader patch for Perl5.001m, which is
NETaa14636 Jumbo DynaLoader patch for Perl5.001m, and
Additional patch for NETaa14636 Jumbo DynaLoader patch for Perl5.001m
version of 09 Oct 1995.
***This needs some additional parentheses.***
MakeMaker-5.00. Supercedes NETaa13540 (VMS MakeMaker patches).
(Updates minimod.PL as well.)
***This has a couple of minor problems.
pod2man is run even if it isn't available.
LD_RUN_PATH gets set to some mysterious values.***
NETaa14657 Paul Marquess Net::Ping patch. I've included
Net-Ping-1.00.
NETaa14661 Dean Roehrich DProf. Installed as ext/Devel/DProf.
Configure should pick this up automatically. (5 Apr 1995
version.)
NETaa13742 Jack Shirazi Socket in 5.001. I've also included
his socket.t test in t/lib/socket.t.
c2ph-1.7.
Dean's perlapi patches of Oct 12, 1995, which superceded those
of Oct 8, 1995. This is the one that did
mv perlapi.pid perlxs.pod.
NETaa14310 Tim Bunce A trivial patch for configpm (handy for shell scripts)
DB_File-1.0 patch from Paul Marquess (pmarquess@bfsec.bt.co.uk)
last modified 7th October 1995
version 1.0
Added or updated the following hints files:
hints/hpux.sh
hints/ncr_tower.sh
hints/netbsd.sh
hints/ultrix.sh
Patch and enjoy.
Andy Dougherty doughera@lafcol.lafayette.edu
Dept. of Physics
Lafayette College, Easton PA 18042
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To apply, change to your perl directory and apply with
patch -p1 -N < thispatch.
After you apply this patch, I would recommend:
rm config.sh
sh Configure [whatever options you use]
make depend
make
make test
Here are the highlights:
Linux fixes: Now correctly sets & uses stdio _ptr and _cnt
tricks only when feasible (Configure, config_h.SH, config_H,
doio.c, sv.c x2p/str.c)
#!path-to-perl fixed to use $binexp instead of $bin. This should
really be fixed to do the correct perl start-up stuff. Volunteers?
(c2ph.SH, h2ph.SH, h2xs.SH, makeaperl.SH, perldoc.SH,
pod/pod2*.SH, x2p/find2perl.SH, x2p/s2p.SH)
hint updates: hints/apollo.sh, hints/linux.sh, hints/freebsd.sh,
hints/sco_3.sh.
xsubpp version 1.7. (includes CASE support)
pod/perlbot updates.
my lib/AutoLoader patch (to use @INC).
[ON]DBM_File/Makefile.PL now have a few hint files.
Other sundry small things.
Patch and enjoy,
Andy Dougherty doughera@lafcol.lafayette.edu
Dept. of Physics
Lafayette College Easton, PA 18042
Here's the file-by-file breakdown of what's included:
Configure
Checks if File_ptr(fp) and File_cnt(fp) can be assigned to.
Fix typo: s/sytem/system/
MANIFEST
Include new extension hint files.
README
Some clarifications, thanks to John Stoeffel. Tell users how to
not use dynamic loading.
c2ph.SH
Use $binexp instead of $bin.
config_H
Updated to match config_h.SH.
config_h.SH
Include defines for whether File_ptr(fp) and File_cnt(fp)
can be assigned to.
doio.c
Use defines for whether File_ptr(fp) and File_cnt(fp) can be assigned to.
ext/DynaLoader/DynaLoader.pm
Improve error messages and a little documentation.
ext/NDBM_File/hints/solaris.pl
New hint file.
ext/ODBM_File/Makefile.PL
Removed -ldbm.nfs, since it's now in the sco hint file.
ext/ODBM_File/hints/sco.pl
ext/ODBM_File/hints/solaris.pl
ext/ODBM_File/hints/svr4.pl
New hint files.
h2ph.SH
h2xs.SH
Use $binexp instead of $bin.
hints/apollo.sh
hints/freebsd.sh
hints/linux.sh
hints/sco_3.sh
Updated.
lib/AutoLoader.pm
Eliminate else clause in sub import.
Handle case where @INC contains relative paths.
lib/ExtUtils/xsubpp
Update to version 1.7. This includes CASE support.
lib/I18N/Collate.pm
Updated documentation.
lib/ftp.pl
Look for socket.ph or sys/socket.ph
lib/getcwd.pl
Use defined().
makeaperl.SH
Use $binexp instead of $bin.
perl.c
fputs("\tUnofficial patchlevel 1j.\n",stdout);
perldoc.SH
Use $binexp instead of $bin.
Turn off debugging messages.
pod/perlbot.pod
Updated.
pod/pod2html.SH
pod/pod2latex.SH
pod/pod2man.SH
Use $binexp instead of $bin.
sv.c
Use defines for whether File_ptr(fp) and File_cnt(fp) can be assigned to.
toke.c
Fix spelling of ambiguous.
x2p/find2perl.SH
x2p/s2p.SH
Use $binexp instead of $bin.
x2p/str.c
Use defines for whether File_ptr(fp) and File_cnt(fp) can be assigned to.
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To apply, change to your perl directory, run the commands above, then
apply with
patch -p1 -N < thispatch.
After you apply this patch, I would recommend:
rm config.sh
sh Configure [whatever options you use]
make depend
make
make test
Here are the highlights:
All pod documentation now installed, along with corresponding man
pages, if possible (Configure allows you to change this).
cppstdin no longer points back to the build directory. This
necessitated two changes to the test suite: comp/cpp.t is now a
front end that punts if cppstdin is not yet available (the old
perl4 trick doesn't work for perl5). The op/misc.t test
./perl -P -e 'use POSIX;' has been dropped since I couldn't think
of an elegant way to bypass it for systems that need the cppstdin
wrapper.
Grand autoload patch included (minus the installperl, lib/, and
ext/ changes). The lib/ changes are in patch.1g, and the
ext/ changes are in patch.1h.
Better detection and use of stdio variants, especially on SVR4.
Sarathy's consolidated patches (for ties) included.
New filter stuff included.
Three patches from Larry (gv.c, toke.c, pp_ctl.c)
Patch and enjoy,
Andy Dougherty doughera@lafcol.lafayette.edu
Dept. of Physics
Lafayette College Easton, PA 18042
Here's the file-by-file breakdown of what's included:
Changes.Conf
Document changes in the Configure & build process.
Configure
Upgrade to metaconfig PL55.
Add /opt hierarchy to paths searched for programs.
Tye McQueen's updated std stdio testing.
Prompting for installation info for perl module pages.
Add possible SITELIB to include site-specific include directories.
By default this is disabled, but it seemed a neat idea now that
the standard perl library is getting so big.
Check that the compiler chosen exists and actually supports the
options the user specified.
Correctly sort multiple shared library version numbers.
Use a compile & link test for gconvert(), dlopen(), and dlerror().
Do not include build directory name in cppstdin wrapper.
MANIFEST
Updated.
Makefile.SH
Reorganized a bit to support separate install.perl and install.man
targets to use the new installman script and to accomodate those who
don't want to install the man pages.
Organize cleanup of .SH files a little better.
No longer automatically make the pod/*.man files. This is done by
installman only if requested.
Include additional error messages and info for regenerating the
automatically maintained header files.
Add 'minitest' target.
README
Updated.
README.vms
Fix perl5-porters subscription info.
config_H
Updated.
config_h.SH
Updated.
configpm
Embedded pod.
configure
GNU configure-like front end to metaconfig's Configure.
Only supports a few options.
doio.c
Updated to use new std stdio testing.
embed.h
Add new symbols for filtering.
global.sym
see embed.h.
gv.c
C<sub method;> patch from lwall.
hints/README.hints
Updated.
hints/aux.sh
Updated.
hints/cxux.sh
Updated.
hints/epix.sh
New file.
hints/freebsd.sh
Updated.
hints/irix_4.sh
Updated.
hints/irix_5.sh
Updated.
hints/irix_6.sh
Updated.
hints/linux.sh
Updated.
hints/powerunix.sh
Updated.
installman
New file to install pod/*.pod and lib/*.p(m|od) man pages.
installperl
Move installation of man pages over to installman script.
Install pod/*.pod files in $privlib/pod/.
Preserve timestamps on .a files.
makedepend.SH
Now includes . and .. in PATH to explicitly find cppstdin wrapper.
opcode.h
opcode.pl
shmwrite fix.
perl.c
Changed unofficial patchlevel message.
Included optional SITELIB directory.
perl.h
#include <memory.h>
cryptswitch gone/filters added.
EUNICE replaced by UNLINK_ALL_VERSIONS. Only matters for VMS.
perldoc.SH
New file.
pod/perl.pod
Describe where modpods are.
pp_ctl.c
sort bug fix from lwall.
pp_hot.c
csh glob bug fix from tchrist.
Sarathy's consolidated "tie" patch for NETaa13753 N 2 trey
pp_sys.c
Emulate flock with lockf, if possible.
Use new std stdio unit.
proto.h
Filters stuff.
prototype for unlnk() is only needed #if UNLINK_ALL_VERSIONS
sv.c
Sarathy's consolidated "tie" patch for NETaa13753 N 2 trey
Sarathy's consolidated patch for nested ties.
Use new std stdio unit.
t/comp/cpp.aux
New file. This only gets called if cppstdin is avaiable.
t/comp/cpp.t
Calls cpp.aux test only if cppstdin is available.
t/op/misc.t
Drop
perl -P -e 'use POSIX;' test.
it couldn't work on systems without the cppstdin wrapper
installed, and is usually misleading when it fails anyway.
toke.c
filter stuff.
fix for NETaa13798 from lwall.
unixish.h
undef UNLINK_ALL_VERSIONS since it's irrelevant for unix.
util.c
s/EUNICE/UNLINK_ALL_VERSIONS/ for the unlnk() function.
vms/config.vms
VMS updates from Charles Bailey.
std stdio updates to match changes in perl sources.
add UNLINK_ALL_VERSIONS constant, but leave it #undef.
vms/ext/MM_VMS.pm
vms/ext/VMS/stdio/stdio.xs
vms/perlvms.pod
vms/vms.c
VMS updates from Charles Bailey.
x2p/Makefile.SH
Updated to match man page Configure questions.
Slight clean-up on .SH targets.
x2p/str.c
Use new std stdio unit.
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Configure
Updated to dist PL53.
Fix overlapping memcpy test.
Add check for ld. Use $cc instead, if on an ELF system.
With -d, don't reuse config.sh unless $myuname matches.
Warn more explicitly about changing compilers before reloading
old config.sh.
Detect Linux ELF format in nm scan.
Better detection of d_castneg. (ISC 4.1 was passing the test,
but couldn't cast in an argument list.)
Suggest -fpic for dynamic loading if you're using GNU CC under any
name.
No longer test for byacc, fmod, or drem, since they are not used.
Makefile.SH
Use $ld, not ld (only matters for SVR4)
Silence some byacc-related harmless error messages.
README
Suggest using -Dcc=gcc (or whatever).
Warn about reusing old config.sh. (The warning was already there
in 5.001; I've just expanded it a little.)
Warn against using GNU as and GNU ld on SunOS & Solaris.
config.H
config_h.SH
Updated to match Configure.
doio.c
Add socket includes.
ext/Fcntl/Fcntl.xs
Fix typo: s/SETFL/F_SETFL/;
handy.h
Check _G_HAVE_BOOL, not just if it's defined.
hints/dynix.sh
hints/hpux_9.sh
hints/linux.sh
hints/netbsd.sh
hints/titanos.sh
Updated. ELF on linux should probably work.
installperl
Install pod2html, pod2latex, and pod2man.
lib/ExtUtils/MakeMaker.pm
Updated to 4.091. (4.09 + a small writedoc() patch.)
myconfig
Now includes 'ld' command.
perl.c
Revised an #elif clause since Pyramid's cpp doesn't understand
#elif.
perl.h
Fix U_L, I_V, and I_32 cast macros to ensure that
the cast_ulong(), cast_iv(), and cast_i32() functions (if used)
are passed a double. In particular, the FIXSTATUS macros were
handing int's to U_L().
Remove unnecessary HAS_FMOD testing (See util.c).
proto.h
Remove my_fmod() prototype. (See util.c)
sv.h
Fix GV/CV typo.
util.c
Simplified cast_i32() and cast_iv() to mimic what *actually*
happens on a SPARC running SunOS 4.1.3. (Previously, they did
some complicated fmod() calculation. I've since discovered that's
not what happens on the SPARC.)
With this change, fmod() is no longer necessary. Hence my_fmod
is removed. This also means the HAS_FMOD and HAS_DREM tests are
no longer needed in Configure, so they are gone too.
vms/config.vms
Remove unnecessary HAS_FMOD and HAS_DREM defines.
x2p/Makefile.SH
Silence byacc-related things.
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[See the Changes file for a list of changes]
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This is my patch patch.0m for perl5.000.
This patch fixes all remaining problems that I am aware of, and for
which I have a solution. It also updates some hint files and
documentation.
Here's what's new:
Configure
Protect against spaces in uname -m output (unicos).
Look in <stdlib.h> for malloctype and freetype.
Check if user has void free() or int free().
Look in linux/signal.h for signal names.
MANIFEST
MANIFEST.new
Two new hint files: cxux.sh and PowerUNIX.sh.
Sorted.
README
Indicate what gets installed and where it usually goes.
Thanks to Hallvard B. Furuseth <h.b.furuseth@usit.uio.no>
for suggesting this.
U/Myinit.U
Update extliblist comment.
U/dist3_051.pat
This file contains patches to dist 3 (PL 51) that I used to generate
Configure for perl.
U/mallocsrc.U
Look in <stdlib.h> for malloctype and freetype.
Check if user has void free() or int free().
config_h.SH
config.H
Add Free_t to handle void free() vs. int free().
ext/DynaLoader/README
Updated comment.
ext/POSIX/POSIX.pm
creat() has 2 arguments, not 3 (thanks, Paul).
ext/POSIX/POSIX.xs
Fix return type of lseek.
ext/SDBM_File/sdbm/sdbm.h
Add I_STDLIB guard on #include <stdlib.h>
ext/util/extliblist
Add note indicating this is obsolete. Don't remove it because
people might be using it for their own private extensions.
hints/PowerUNIX.sh
hints/cxux.sh
New files. Written by Tom.Horsley@mail.hcsc.com
hints/linux.sh
Simplified.
lib/ExtUtils/MakeMaker.pm
Typo fixed, only affected aix?
malloc.c
Allow for possible int free().
perl.h
pp_sys.c
util.c
If the user is not using vfork, move the #define vfork fork
util after various #include files. Since vfork() and fork() might
have different prototypes, the #define could cause a conflict in
system header files. (Reported for 386bsd.)
Makefile.SH
make realclean will remove h2xs and makeaperl (but leave behind
the .SH versions, of course).
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after patches 0a through 0i
Specifically, here's what's included:
Configure
Regenerated with metaconfig patchlevel 50. This changed
a variety of things, mostly related to selecting and changing
the installation prefix.
Handle csh, sed, and byacc no matter what the setting of
d_portable. (This was causing glob problems in patch.0i).
Set d_portable to default to 'y'. It doesn't matter anyway,
but gives people a warm fuzzy feeling.
Remove useless d_group and d_passwd tests.
Add check for <sys/stat.h>.
Improve & generalize AIX version detection.
Consider /opt/man/man1 as a possible place to install man pages.
Be a little more robust about OS version changes when deciding
if the output of uname -a has really changed.
MANIFEST
MANIFEST.new
Added hints/mpeix.sh.
README
Tell users the Configure defaults are probably right.
Makefile.SH
Better detection of whether user has byacc.
Use $(MAKE) instead of make.
U/Loc_sed.U
Works again with d_portable='define'.
U/Myinit.U
Set d_portable=define as default.
U/d_byacc.U
Detect whether user has byacc even if d_portable=define.
U/d_csh.U
Works again with d_portable='define'.
U/d_group.U
Empty file to avoid useless metaconfig test.
U/d_passwd.U
Empty file to avoid useless metaconfig test.
U/dist.patch
This file contains two minor updates to dist3 PL50 that were used
to generage Configure.
U/i_sysstat.U
New test. See if sys/stat.h is available.
config.H
Updated.
config_h.SH
Updated to metaconfig patchlevel 50.
ext/NDBM_File/Makefile.PL
ext/ODBM_File/Makefile.PL
Add -lucb for SVR4 systems.
handy.h
Protect agains g++-2.6.3, which predefines bool. g++ can be
used to compile an extension, but not perl itself. Still, the
extension will #include "perl.h", which eventually gets
"handy.h", which #define's bool. If this happens to you, add
-DHAS_BOOL to your ccflags in your extension, or else ensure that
_G_config.h is #include'd before perl.h. (_G_config.h will define
_G_HAVE_BOOL, if indeed your version of g++ has bool.)
hints/aix.sh
Updated. Handles AIX 3.2.x and 4.1. Comments included!
hints/hpux_9.sh
Updated.
hints/irix_4.sh
Updated. Includes comments for IRIX 4.0.4
hints/linux.sh
Updated. Beginnings of ELF support added, but completely
untested.
hints/mpeix.sh
New hint file.
hints/solaris_2.sh
Useless ccflags="$ccflags" line removed.
hints/svr4.sh
Updated.
installperl
Doesn't use Config anymore (it already reads config.sh
directly. That's probably backwards, but, oh well.
Install perl.exp for AIX.
lib/ExtUtils/MakeMaker.pm
Upgraded from 4.01 to 4.03.
makedepend.SH
Use $MAKE instead of plain make.
Index: op.c
Remove overlapping strcpy().
perl.h
Add test for <sys/stat.h>.
Delete unused VOIDSIG stuff.
Delete unused typedef struct lstring Lstring;
perl_exp.SH
Add safexxxx calls.
pp_sys.c
Delete wayward break in HAS_ALARM section.
proto.h
Change true and false (!) in function prototypes to please
g++-2.6.3, which has true and false built in. (See notes for
handy.h.)
Index: unixish.h
Long-overdue housekeeping.
HAS_GROUP and HAS_PASSWD are always defined.
util.c
Yet another (char*) cast for bcmp.
vms/config.vms
Changed comments to match unixish.h.
writemain.SH
Now correctly handles nested static extensions. Recent
MakeMakers have moved where they get built.
x2p/a2p.h
More definitions that will doubtless cause trouble somewhere
else.
x2p/a2py.c
x2p/walk.c
Remove unprotected char *strchr();
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for Configure]
This patch incorporates various portability fixes and uses the latest
metaconfig to generate Configure (and config_h.SH).
It would take a long time to summarize all that I've changed. I
haven't included many code changes because I'm trying *not* to
duplicate bug fixes Larry may already have applied.
Here's an older description I prepared that's still mostly accurate:
I've also included a few portability fixes in the main source, but
these are certainly not a complete set of everything that's been
reported.
Don't be put off by the size of the patch. Mostly, it's just
rearrangement of the parts in Configure and some cosmetic changes.
Since gcc often supports long long, I had started to add quad support
to Configure. Since SunOS 4.1.3 defines a conflicting "quad"
structure, I changed the name from 'quad' to Quad_t, consistent with
other Configure "types." I also changed "QUAD" to "HAS_QUAD".
However, it turns out it's pretty hard to actually *use* Quad_t.
Neither system I have access to can sprintf() a "long long", nor can
they carry one around in an IV, unless I make IV "long long", which I
didn't want to force generally. Thus I wonder whether any but a
precious few could actually use Quad_t, and dropped the tests from
Configure. I left in the s/quad/Quad_t/ and s/QUAD/HAS_QUAD/ stuff in
case someone else wants to pick it up, and also because I was too lazy
to take it back out :-).
Some highlights:
Configure
Several new options. Use Configure -h to learn more. Also,
read the directions Configure prints. :-)
Spaces now allowed in -D command line options.
New -O option that overrides config.sh.
You can start interactively and then change that to accepting
all the defaults by specifying &-d at any Configure prompt. This
is useful if you have to re-run Configure to only change a few
settings.
Signal type set correctly for the cast{i32,neg} tests.
archname detection improved a bit
guard against ksh users who have set -u
Oldconfig.U cleaned up and regularized a bit more.
Guard against hint files using (and over-writing) $tmp.
Command line options now are processed after metaconfig INIT
lines. Thus things like Configure -Uuseposix should work now.
Various miscellaneous clean-ups.
better use/detection of tr.
i_db.U now checks for hash and prefix type (I think!) I can't
test it here.
i_?db*.U now all check for an associated function before deciding
to include or not the header.
MANIFEST
MANIFEST.new
Sorted & updated.
Makefile.SH
Some shells/makes bombed out on test -d lib/auto || mkdir lib/auto
Use makedir instead.
README
Some additional notes that people won't read :-).
cflags.SH
Now calls $startsh. Weird things were happening on Intergraph,
and this might be related.
config.H
Updated.
config_h.SH
Regenerated.
deb.c
Varargs dependencies on STANDARD_C replaced by I_STDARG.
doop.c
quad stuff.
ext/DB_File/DB_File.xs
Use the new DB_Hash_t and DB_Prefix_t symbols.
ext/SDBM_File/sdbm/sdbm.h
Fix #defines to be more robust.
mg.c
Replace VOIDSIG by metaconfig's Signal_t.
opcode.h
opcode.pl
semop only takes 2 arguments, not 3.
perl.c
Better guard on getenv() prototype. A hint file can use this, if
necessary. Me, I think some compilers are just too picky.
perl.h
The (very) beginnings of some Quad support. See above.
Remove the very troublesome sprintf() prototype. Since we don't
_use_ the return value anyway (since it's not portable) this
should be o.k. The problem was that some systems CAN_PROTOTYPE
but include char *sprintf(); in <stdio.h>. That's incompatible
with the version we used to have in perl.h. Most people have
a prototype for sprintf() in <stdio.h>. Those that don't probably
can get by without it anyway.
Protect the timesbuf by the specific HAS_TIMES test. Some older
gcc-2.something/Solaris 2.something installations apparently don't
have times.
pp.c
More quad stuff.
pp_ctl.c
s/STANDARD_C/I_STDARG/ for varargs stuff.
pp_sys.c
use Signal_t.
proto.h
Update to match new metaconfig names.
util.c
s/STANDARD_C/I_STDARG/ for varargs stuff.
comment out <unistd.h>. A pause prototype was causing problems on
some systems.
vms/config.vms
Changed to use Signal_t.
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[editor's note: this commit combines approximate 4 months of furious
releases of Andy Dougherty and Larry Wall - see pod/perlhist.pod for
details. Andy notes that;
Alas neither my "Irwin AccuTrack" nor my DC 600A quarter-inch cartridge
backup tapes from that era seem to be readable anymore. I guess 13 years
exceeds the shelf life for that backup technology :-(.
]
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[the last one taken from the September '94 InfoMagic CD; a similar
style of cleanup as the previous commits was performed]
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[editor's note: the sparc executables have not been included,
and emacs backup files and other cruft such as patch backup files have
been removed. This was reconstructed from a tarball found on the
September 1994 InfoMagic CD]
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[editor's note: from history.perl.org. The sparc executables
originally included in the distribution are not in this commit.]
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Subject: added eval {}
Subject: eval 'stuff' now optimized to eval {stuff}
This set of patches doesn't have many enhancements but this is
one of them. The eval operator has two distinct semantic functions.
First, it runs the parser on some random string and executes it.
Second, it traps exceptions and returns them in $@. There are times
when you'd like to get the second function without the first. In
order to do that, you can now eval a block of code, which is parsed
like ordinary code at compile time, but which traps any run-time
errors and returns them in the $@ variable. For instance, to
trap divide by zero errors:
eval {
$answer = $foo / $bar;
};
warn $@ if $@;
Since single-quoted strings don't ever change, they are optimized
to the eval {} form the first time they are encountered at run-time.
This doesn't happen too often, though some of you have written things
like eval '&try_this;'. However, the righthand side of s///e is
evaluated as a single-quoted string, so this construct should run
somewhat faster now.
Subject: added sort {} LIST
Another enhancement that some of you have been hankering for.
You can now inline the sort subroutine as a block where the
subroutine name used to go:
@articles = sort {$a <=> $b;} readdir(DIR);
Subject: added some support for 64-bit integers
For Convexen and Crayen, which have 64-bit integers, there's
now pack, unpack and sprintf support for 64-bit integers.
Subject: sprintf() now supports any length of s field
You can now use formats like %2048s and %-8192.8192s. Perl will
totally bypass your system's sprintf() function on these. No,
you still probably can't say %2048d. No, I'm not going to
change that any time soon.
Subject: substr() and vec() weren't allowed in an lvalue list
Subject: extra comma at end of list is now allowed in more places (Hi, Felix!)
Subject: underscore is now allowed within literal octal and hex numbers
Various syntactic relaxations. You can now get away with
(substr($foo,0,3), substr($bar,0,3)) = ('abc', 'def');
(1,2,3,)[$x];
$addr = 0x1a20_ff0b;
Subject: safe malloc code now integrated into Perl's malloc when possible
To save a bunch of subroutine calls. If you use your system's
malloc it still has to use wrappers.
Subject: added support for dbz
By saying "make dbzperl" you can make a copy of Perl that can
access C news's dbz files. You still have to follow the dbz rules,
though, if you're going to try to write a dbz file.
Subject: there are now subroutines for calling back from C into Perl
Subject: usub/curses.mus now supports SysV curses
More C linkage support. I still haven't got Perl embeddable, but
we're getting there. That's too big an enhancement for this
update, in which I've been trying to stick to bug fixes, with some
success.
Subject: prepared for ctype implementations that don't define isascii()
A larger percentage of this update consists of code to do
consistent ctype processing whether or not <ctype.h> is 8-bit
clean.
Subject: /$foo/o optimizer could access deallocated data
Subject: certain optimizations of //g in array context returned too many values
Subject: regexp with no parens in array context returned wacky $`, $& and $'
Subject: $' not set right on some //g
Subject: grep of a split lost its values
Subject: # fields could write outside allocated memory
Subject: length($x) was sometimes wrong for numeric $x
Recently added or modified stuff that you kind of expect to be
a bit flaky still. Well, I do...
Subject: passing non-existend array elements to subrouting caused core dump
Subject: "foo" x -1 dumped core
Subject: truncate on a closed filehandle could dump
Subject: a last statement outside any block caused occasional core dumps
Subject: missing arguments caused core dump in -D8 code
Subject: cacheout.pl could dump core from invalid comparison operator
Subject: *foo = undef coredumped
Subject: warn '-' x 10000 dumped core
Subject: index("little", "longer string") could visit faraway places
A bunch of natty little bugs that you wouldn't generally run into
unless you're trying to be coy.
Subject: hex() didn't understand leading 0x
It wasn't documented that it should work, but oct() understands 0x,
so why not hex()? I dunno...
Subject: "foo\0" eq "foo" was sometimes optimized to true
Subject: eval confused by string containing null
Yet more holdovers from the time before Perl was 8-bit clean.
Subject: foreach on null list could spring memory leak
Subject: local(*FILEHANDLE) had a memory leak
Kind of slow leaks, as leaks go. Still...
Subject: minimum match length calculation in regexp is now cumulative
More substitutions can be done in place now because Perl knows
that patterns like in s/foo\s+bar/1234567/ have to match a
certain number of characters total. It used to be on that
particular pattern that it only knew that it had to match at
least 3 characters. Now it know it has to match at least 7.
Subject: multiple reallocations now avoided in 1 .. 100000
You still don't want to say 1 .. 1000000, but at least it will
refrain from allocating intermediate sized blocks while it's
constructing the value, and won't do the extra copies implied
by realloc.
Subject: indirect subroutine calls through magic vars (e.g. &$1) didn't work
Subject: defined(&$foo) and undef(&$foo) didn't work
Subject: certain perl errors should set EBADF so that $! looks better
Subject: stats of _ forgot whether prior stat was actually lstat
Subject: -T returned true on NFS directory
Subject: sysread() in socket was substituting recv()
Subject: formats didn't fill their fields as well as they could
Subject: ^ fields chopped hyphens on line break
Subject: -P didn't allow use of #elif or #undef
Subject: $0 was being truncated at times
Subject: forked exec on non-existent program now issues a warning
Various things you'd expect to work the way you expect, but
didn't when you did, or I did, or something...
Subject: perl mistook some streams for sockets because they return mode 0 too
Subject: reopening STDIN, STDOUT and STDERR failed on some machines
Problems opening files portably. So what's new?
Subject: cppstdin now installed outside of source directory
Subject: installperl now overrides installer's umask
People who used cppstdin for the cpp filter or who had their
umask set to 700 will now be happier. (And Configure will now
prefer /lib/cpp over cppstdin like it used to. If this gives
your machine heartburn because /lib/cpp doesn't set the symbols
it should, write a hints file to poke them into ccflags.)
Subject: initial .* in pattern had dependency on value of $*
An initial .* was optimized to have a ^ on the front to avoid retrying
when we know it won't match. Unfortunately this implicit ^ was
paying attention to $*, which it shouldn't have been.
Subject: certain patterns made use of garbage pointers from uncleared memory
Many of you saw this as a failure in t/op/pat.t.
Subject: perl now issues warning if $SIG{'ALARM'} is referenced
Since the book mentions "SIGALARM", I thought we needed this.
Subject: solitary subroutine references no longer trigger typo warnings
You can now use -w (more) profitably on programs that require
other files. I figured if you mistype a subroutine name you'll
get a fatal error anyway, unlike a variable, which just defaults
to being undefined.
Subject: $foo .= <BAR> could overrun malloced memory
Good old-fashioned bug.
Subject: \$ didn't always make it through double-quoter to regexp routines
Subject: \x and \c were subject to double interpretation in regexps
Subject: nested list operators could miscount parens
Subject: sort eval "whatever" didn't work
Syntactic misfeatures of various sorts.
Subject: find2perl produced incorrect code for -group
Subject: find2perl could be confused by names containing whitespace
Subject: in a2p, split on whitespace produced extra null field
Translator stuff.
Subject: new complete.pl from Wayne Thompson
Subject: assert.pl and exceptions.pl from Tom Christiansen
Subject: added Tom's c2ph stuff
Subject: getcwd.pl from Brandon S. Allbery
Subject: fastcwd.pl from John Basik
Subject: chat2.pl from Randal L. Schwartz
New contributed stuff. Thanks!
(Not that a lot of the other stuff isn't contributed too...)
Subject: debugger got confused over nested subroutine definitions
Subject: once-thru blocks didn't display right in the debugger
Subject: perldb.pl modified to run within emacs in perldb-mode
Debugger stuff. The first two were caused by not saving line
numbers at exactly the right moment.
Subject: documented meaning of scalar(%foo)
I also updated the Errata section of the man page.
Subject: various portability fixes
Subject: random cleanup
Subject: saberized perl
Type casts, saber warning message suppression, hints files and various
metaconfig fiddlehoods.
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See patch #4.
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Subject: Configure now handles defaults much better
Subject: Configure now knows if config.sh was built on this machine
Subject: Configure now checks file existence more efficiently
Subject: Configure now handles stupid SCO csh
Configure has been heavily revised. Many of the tests that used
to simply force a decision now check that decision against the
previous value of the variable, and offer to let you change it.
The default now is to keep the old value, so that you don't lose
information from your previous run.
Because of this, it's now more important to know whether, in fact,
config.sh was produced on this machine and on this version of
the operating system. config.sh now contains a lastuname variable
which contains the output of uname -a. If this matches the current
output of uname -a, Configure defaults to including the old config.sh.
Otherwise not. If there is no valid config.sh, then Configure looks
defaults for the current architecture in the hints/ subdirectory
instead. The guesswork I've done in this section of code is
phenomenal, so you'll have to instruct me where I've misparsed
the output of uname (a problem in portability all of its own).
Subject: Configure now differentiates getgroups() type from getgid() type
Subject: Configure now figures out malloc ptr type
Subject: Configure now does better on sprintf()
Configure was assuming that the array of values returned from
getgroups was the same type as the gids returned by other system
calls. Unfortunately, reality set in. Likewise for malloc() and
sprintf(), which there is only one portable way to find out the return
value of: try it one way or the other, and see if it blows up.
Subject: C flags are now settable on a per-file basis
Subject: reduced maximum branch distance in eval.c
Certain compilers and/or optimizers get bozoed out by large
compilation units, or by large structures within those units.
Previously, you either had to change the compiler flags for all
the files, or do hairy editing in Makefile.SH and remake the Makefile,
necessitating a make depend. Now there is a script called cflags.SH
whose duty it is to return the proper CFLAGS for any given C file.
You can change the flags in just one spot now and they will be
immediately reflected in the next make (or even in the current
make, if one is running). Eventually I expect that any of the hints
files could modify cflags.SH, but I haven't done that yet.
The particular problem of long jump offsets in eval.c has been at
least partially alleviated by locating some of the labels in the
middle of the function instead of at the end. This still doesn't
help the poor Vax when you compile with -g, since it puts a jump
to the end of the function to allocate the stack frame and then
jumps back to the beginning of the function to execute it. For
now Vaxen will have to stick with -O or hand assemble eval.c and
teval.c with a -J switch.
Subject: fixed "Bad free" error
Subject: fixed debugger coredump on subroutines
Subject: regexec only allocated space for 9 subexpresssions
These are problems that were reported on the net and had unofficial
patches. Now they have official patches. Be sure to patch a
copy of your files without the unofficial patches, or the patch
program will get confused.
Subject: you may now use "die" and "caller" in a signal handler
Someone pointed out that using die to raise an exception out
of a signal handler trashed the expression value stack if the
exception was caught by eval. While fixing that, I also fixed
the longstanding problem that signal handlers didn't have a normal
call frame, which prevented the caller function from working.
Subject: fixed undefined environ problem
Subject: hopefully straightened out some of the Xenix mess
Subject: random cleanup in cpp namespace
Just keeping up with the current progress in non-standardization.
Subject: fixed failed fork to return undef as documented
The open function returns undef on failed implicit forks. The Book
assumed that the same was true of an explicit fork. I've made the
function behave like the Book says. It's a pity there's no way
to have an undefined value that returns -1 in a numeric context
but false in a boolean context...
Subject: generalized the yaccpar fixer some
Thanks to Andy Dougherty, perly.fixer now knows how to fix SVR3 2.2's
yaccpar code to do dynamic parse stack allocation. He also made it
easy for other people to insert their code there. Hooray!
Subject: find2perl sometimes needs to stat on the 2nd leg of a -o
Subject: find2perl didn't correctly handle switches with an argument of 0
In attempting to delay the lstat to the last moment, in case a filename
could be rejected on the basis of its name, find2perl neglected to
take into account the fact that control might pass to the 2nd half
of a -o without executing all of the 1st half, in particular without
executing the lstat.
find2perl was wisely removing leading zeroes from numbers that would
mistakenly be interpreted as octal numbers by Perl. Unfortunately,
this caused it to delete the number 0 entirely.
Subject: fixed dumpvar not to dump internal debugging info
Subject: substr($ENV{"PATH"},0,0) = "/foo:" didn't modify environment
Subject: $foo .= <BAR> could cause core dump for certain lengths of $foo
Subject: perl -de "print" wouldn't stop at the first statement
Random glitchy little things.
Subject: I'm at NetLabs now
I'm now working for NetLabs, Inc., and I hadn't changed my
address everywhere.
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So far, 4.0 is still a beta test version. For the last production
version, look in pub/perl.3.0/kits@44.
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Most of these patches are pretty self-explanatory. Much of this
is random cleanup in preparation for version 4.0, so I won't talk
about it here. A couple of things should be noted, however.
First, there's a new -0 option that allows you to specify (in octal)
the initial value of $/, the record separator. It's primarily
intended for use with versions of find that support -print0 to
delimit filenames with nulls, but it's more general than that:
null
^A
default
CR
paragraph mode
file slurp mode
This feature is so new that it didn't even make it into the book.
The other major item is that different patchlevels of perl can
now coexist in your bin directory. The names "perl" and "taintperl"
are just links to "perl3.044" and "tperl3.044". This has several
benefits. The perl3.044 invokes the corresponding tperl3.044 rather
than taintperl, so it always runs the correct version. Second, you can
"freeze" a script by putting a #! line referring to a version that
it is known to work with. Third, you can put a new version out
there to try out before making it the default perl. Lastly, it
sells more disk drives. :-)
Barring catastrophe, this will likely be the last patch before
version 4.0 comes out.
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Here's the requisite dinky patch to fix the problems of the
preceding large set of patches. In this case, a couple of
malloc/free problems--one of which involved overrunning the end
of an allocated string, and the other of which involved freeing
with invalid pointers. (There was also a bug in there involving
variable magicalness propagating incorrectly, which resulting in
a dbm anomoly.)
I updated README to mention that dnix needs to avoid -O.
I added the hp malloc union overhead strut that Jan Dr{rv posted.
(Eventually this should be determined by Configure, but laziness
has its advantages.)
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Forget the description, it's too late at night...
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I tried to take the strlen of an integer on systems without wait4()
or waitpid(). For some reason this didn't work too well...
In hash.c there was a call to dbm_nextkey() which needed to be
ifdefed on old dbm systems.
A pattern such as /foo.*bar$/ was wrongly optimized to do
tail matching on "foo". This was a longstanding bug that
was unmasked by patch 36.
Some systems have some SYS V IPC but not all of it. Configure
now figures this out.
Patch 36 put the user's PATH in front of Configures, but to make
it work right I needed to change all calls of loc to ./loc in
Configure.
$cryptlib needed to be mentioned in the Makefile.
Apollo 10.3 and Sun 3.5 have some compilation problems, so I
mentioned them in README.
Cray has weird restrictions on setjmp locations--you can't say
if (result = setjmp(...))
Random typos and cleanup.
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This set of patches pretty much brings you up to the functionality
that version 4.0 will have. The Perl Book documents version 4.0.
Perhaps these should be called release notes... :-)
Enhancements:
Many of the changes relate to making the debugger work better.
It now runs your scripts at nearly full speed because it no longer
calls a subroutine on every statement. The debugger now doesn't
get confused about packages, evals and other filenames. More
variables (though still not all) are available within the debugger.
Related to this is the fact that every statement now knows which
package and filename it was compiled in, so package semantics are
now much more straightforward. Every variable also knows which
package it was compiled in. So many places that used to print
out just the variable name now prefix the variable name with the
package name. Notably, if you print *foo it now gives *package'foo.
Along with these, there is now a "caller" function which returns
the context of the current subroutine call. See the man page for
more details.
Chip Salzenberg sent the patches for System V IPC (msg, sem and shm)
so I dropped them in.
There was no way to wait for a specific pid, which was silly, since
Perl was already keeping track of the information. So I added
the waitpid() call, which uses Unix's wait4() or waitpid() if
available, and otherwise emulates them (at least as far as letting
you wait for a particular pid--it doesn't emulate non-blocking wait).
For use in sorting routines, there are now two new operators,
cmp and <=>. These do string and numeric comparison, returning
-1, 0 or 1 when the first argument is less than, equal to or
greater than the second argument.
Occasionally one finds that one wants to evaluate an operator in
a scalar context, even though it's part of a LIST. For this purpose,
there is now a scalar() operator. For instance, the approved
fix for the novice error of using <> in assigning to a local is now:
local($var) = scalar(<STDIN>);
Perl's ordinary I/O is done using standard I/O routines. Every
now and then this gets in your way. You may now access the system
calls read() and write() via the Perl functions sysread() and
syswrite(). They should not be intermixed with ordinary I/O calls
unless you know what you're doing.
Along with this, both the sysread() and read() functions allow you
an optional 4th argument giving an offset into the string you're
reading into, so for instance you can easily finish up partial reads.
As a bit of syntactic sugar, you can now use the file tests -M, -A
and -C to determine the age of a file in (possibly fractional) days
as of the time the script started running. This makes it much
easier to write midnight cleanup scripts with precision.
The index() and rindex() functions now have an optional 3rd argument
which tells it where to start looking, so you can now iterate through
a string using these functions.
The substr() function's 3rd argument is now optional, and if omitted,
the function returns everything to the end of the string.
The tr/// translation function now understands c, d and s options, just
like the tr program. (Well, almost just like. The d option only
deletes characters that aren't in the replacement string.) The
c complementes the character class to match and the s option squishes
out multiple occurrences of any replacement class characters.
The reverse function, used in a scalar context, now reverses its
scalar argument as a string.
Dale Worley posted a patch to add @###.## type fields to formats.
I said, "Neat!" and dropped it in, lock, stock and sinker.
Kai Uwe Rommel sent a bunch of MSDOS and OS/2 updates, which I (mostly)
incorporated. I can't vouch for them, but they look okay.
Any data stored after the __END__ marker can be accesses now via
the DATA filehandle, which is automatically opened onto the script
at that point. (Well, actually, it's just kept open, since it
was already open to read the script.)
The taintperl program now checks for world writable PATH components,
and complains if any are found (if PATH is used).
Bug fixes:
It used to be that you could get core dumps by such means as
@$foo=();
@foo[42];
(1,2,3)[42];
$#foo = 50;
foreach $elem (@foo) {
$elem = 1;
}
This is no longer so. (For those who are up on Perl internals, the
stack policy no longer allows Nullstr--all undefined values must
be passed as &str_undef.)
If you say something like
local($foo,$bar);
or
local($initialized,$foo,$bar) = ('one value');
$foo and $bar are now initialized to the undefined value, rather
than the defined null string.
Array assignment to special arrays is now better supported. For
instance, @ENV = () clears the environment, and %foo = () will
now clear any dbm file bound to %foo.
On the subject of dbm files, the highly visible bugs at patchlevel
28 have been fixed. You can now open dbm files readonly, and you
don't have to do a dummy assignment to make the cache allocate itself.
The modulus operator wasn't working right on negative values because
of a misplaced cast. For instance, -5 % 5 was returning
the value 5, which is clearly wrong.
Certain operations coredumped if you didn't supply a value:
close;
eof;
Previously, if the subroutine supplied for a sort operation didn't
exist, it failed quietly. Now it produces a fatal error.
The bitwise complement operator ~ didn't work on vec() strings longer
than one byte because of failure to increment a loop variable.
The oct and hex functions returned a negative result if the highest
bit was set. They now return an unsigned result, which seems a
little less confusing. Likewise, the token 0x80000000 also produces
an unsigned value now.
Some machines didn't like to see 0x87654321 in an #ifdef because
they think of the symbols as signed. The tests have been changed
to just look at the lower 4 nybbles of the value, which is sufficient
to determine endianness, at least as far as the #ifdefs are concerned.
The unshift operator did not return the documented value, which
was the number of elements in the new array. Instead it returned
the last unshifted argument, more or less by accident.
-w sometimes printed spurious warnings about ARGV and ENV when
referencing the arrays indirectly through shift or exec. This
was because the typo test was misplaced before the code that
exempts special variables from the typo test.
If you said 'require "./foo.pl"', it would look in someplace like
/usr/local/lib/perl/./foo.pl instead of the current directory. This
works more like people expect now. The require error messages also
referred to wrong file, if they worked at all.
The h2ph program didn't translate includes right--it should have
changed .h to .ph.
Patterns with multiple short literal strings sometimes failed.
This was a problem with the code that looks for a maximal literal
string to feed to the Boyer-Moore searching routine. The code
was gluing together literal strings that weren't continuous.
The $* variable controls multi-line pattern matching. When it's
0, patterns are supposed to match as if the string contained a
single line. Unfortunately, /^pat/ occasionally matched in middle
of string under certain conditions.
Recently the regular expression routines were upgraded to do
{n,m} more efficiently. In doing this, however, I manufactured
a couple of bugs: /.{n,m}$/ could match with fewer than n characters
remaining on the line, and patterns like /\d{9}/ could match more
than 9 characters.
The undefined value has an actual physical location in Perl, and
pointers to it are passed around. By certain circuitous routes
it was possible to clobber the undefined value so that it
was no longer undefined--kind of like making /dev/null into
a real file. Hopefully this can't happen any more.
op.stat could fail if /bin/0 existed, because of a while (<*>) {...
This has been changed to a while (defined($_ = <*>)) {...
The length of a search pattern was limited by the length of
tokenbuf internally. This restriction has been removed.
The null character gave the tokener indigestion when used as
a delimiter for m// or s///.
There was a bunch of other cleanupish things that are too trivial
to mention here.
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You now have the capability of linking C subroutines into a
special version of perl. See the files in usub/ for an example.
There is now an operator to include library modules with duplicate
suppression and error checking, called "require". (makelib has been
renamed to h2ph, and Tom Christiansen's h2pl stuff has been included
too. Perl .h files are now called .ph files to avoid confusion.)
It's now possible to truncate files if your machines supports any
of ftruncate(fd, size), chsize(fd, size) or fcntl(fd, F_FREESP, size).
Added -c switch to do compilation only, that is, to suppress
execution. Useful in combination with -D1024.
There's now a -x switch to extract a script from the input stream
so you can pipe articles containing Perl scripts directly into perl.
Previously, the only places you could use bare words in Perl were as
filehandles or labels. You can now put bare words (identifiers)
anywhere. If they have no interpretation as filehandles or labels,
they will be treated as if they had single quotes around them.
This works together nicely with the fact that you can use a
symbol name indirectly as a filehandle or to assign to *name.
It basically means you can write subroutines and pass filehandles
without quoting or *-ing them. (It also means the grammar is even
more ambiguous now--59 reduce/reduce conflicts!!! But it seems
to do the Right Thing.)
Added __LINE__ and __FILE__ tokens to let you interpolate the
current line number or filename, such as in a call to an error
routine, or to help you translate eval linenumbers to real
linenumbers.
Added __END__ token to let you mark the end of the program in
the input stream. (^D and ^Z are allowed synonyms.) Program text
and data can now both come from STDIN.
`command` in array context now returns array of lines. Previously
it would return a single element array holding all the lines.
An empty %array now returns 0 in scalar context so that you can
use it profitably in a conditional: &blurfl if %seen;
The include search path (@INC) now includes . explicity at the
end, so you can change it if you wish. Library routines now
have precedence by default.
Several pattern matching optimizations: I sped up /x+y/ patterns
greatly by not retrying on every x, and disabled backoff on
patterns anchored to the end like /\s+$/. This made /\s+$/ run
100 times faster on a string containing 70 spaces followed by an X.
Actual improvements will generally be less than that. I also
sped up {m,n} on simple items by making it a variant of *.
And /.*whatever/ is now optimizaed to /^.*whatever/ to avoid
retrying at every position in the event of failure. I fixed
character classes to allow backslashing hyphen, by popular
request.
In the past, $ in a pattern would sometimes match in the middle
of the string and sometimes not, if $* == 0. Now it will never
match except at the end of the string, or just before a terminating
newline. When $* == 1 behavior is as before.
In the README file, I've expanded on just how I think the GNU
General Public License applies to Perl and to things you might
want to do with Perl.
The interpreter used to set the global variable "line" to be
the current line number. Instead, it now sets a global pointer
to the current Perl statement, which is no more overhead, but
now we will have access to the file name and package name associated
with that statement, so that the debugger soon be upgraded to
allow debugging of evals and packages.
In the past, a conditional construct in an array context passed
the array context on to the conditional expression, causing
general consternation and confusion. Conditionals now always
supply a scalar context to the expression, and if that expression
turns out to be the one whose value is returned, the value is
coerced to an array value of one element.
The switch optimizer was confused by negative fractional values,
and truncating them the wrong direction.
Configure now checks for chsize, select and truncate functions, and
now asks if you want to put scripts into some separate directory
from your binaries. More and more people are establishing a common
directory across architectures for scripts, so this is getting
important.
It used to be that a numeric literal ended up being stored both
as a string and as a double. This could make for lots of wasted
storage if you said things like "$seen{$key} = 1;". So now
numeric literals are now stored only in floating point format,
which saves space, and generates at most one extra conversion per
literal over the life of the script.
The % operator had an off-by-one error if the left argument was
negative.
The pack and unpack functions have been upgraded. You
can now convert native float and double fields using f and d.
You can specify negative relative positions with X<n>, and absolute
positions in the record with @<n>. You can have a length of *
on the final field to indicate that it is to gobble all the rest
of the available fields. In unpack, if you precede a field
spec with %<n>, it does an n-bit checksum on it instead of the
value itself. (Thus "%16C*" will checksum just like the Sys V sum
program.) One totally wacked out evening I hacked a u format
in to pack and unpack uudecode-style strings.
A couple bugs were fixed in unpack--it couldn't unpack an A or a
format field in a scalar context, which is just supposed to
return the first field. The c and C formats were also calling
bcopy to copy each character. Yuck.
Machines without the setreuid() system call couldn't manipulate
$< and $> easily. Now, if you've got setuid(), you can say $< = $>
or $> = $< or even ($<, $>) = ($uid, $uid), as long as it's
something that can be done with setuid(). Similarly for setgid().
I've included various MSDOS and OS/2 patches that people have sent.
There's still more in the hopper...
An open on a pipe for output such as 'open(STDOUT,"|command")' left
STDOUT attached to the wrong file descriptor. This didn't matter
within Perl, but it made subprocesses expecting stdout to be on fd 1
rather irate.
The print command could fail to detect errors such as running out
room on the disk. Now it checks a little better.
Saying "print @foo" might only print out some of the elements
if there undefined elements in the middle of the array, due to
a reversed bit of logic in the print routine.
On machines with vfork the child process would allocate memory
in the parent without the parent knowing about it, or having any way
to free the memory so allocated. The parent now calls a cleanup
routine that knows whether that's what happened.
If the getsockname or getpeername functions returned a normal
Unix error, perl -w would report that you tried I/O on an
unopened socket, even though it was open.
MACH doesn't have seekdir or telldir. Who ever uses them anyway?
Under certain circumstances, an optimized pattern match could
pass a hint into the standard pattern matching routine which
the standard routine would then ignore. The next pattern match
after that would then get a "panic: hint in do_match" because the
hint didn't point into the current string of interest.
The $' variable returned a short string if it contained an
embedded null.
Two common split cases are now special-cased to avoid the regular
expression code. One is /\s+/ (and its cousin ' ', which also
trims leading whitespace). The other is /^/, which is very useful
for splitting a "here-is" quote into lines:
@lines = split(/^/, <<END);
Element 0
Element 1
Element 2
END
You couldn't split on a single case-insensitive letter because
the single character split optimization ignore the case folding
flag.
Sort now handles undefined strings right, and sorts lists
a little more efficiently because it weeds them out before
sorting so it doesn't have to check for them on every comparison.
The each() and keys() functions were returning garbage on null
keys in DBM files because the DBM iterator merely returns a pointer
into the buffer to a string that's not necessarily null terminated.
Internally, Perl keeps a null at the end of every string (though
allowing embedded nulls) and some routines make use of this
to avoid checking for the end of buffer on every comparison. So
this just needed to be treated as a special case.
The &, | and ^ operators will do bitwise operations on two strings,
but for some reason I hadn't implemented ~ to do a complement.
Using an associative array name with a % in dbmopen(%name...)
didn't work right, not because it didn't parse, but because the
dbm opening routine internally did the wrong thing with it.
You can now say dbmopen(name, 'filename', undef) to prevent it
from opening the dbm file if it doesn't exist.
The die operator simply exited if you didn't give an argument,
because that made sense before eval existed. But now it will be
equivalent to "die 'Died';".
Using the return function outside a subroutine returned a cryptic
message about not being able to pop a magical label off the stack.
It's now more informative.
On systems without the rename() system call, it's emulated with
unlink()/link()/unlink(), which could clobber a file if it
happened to unlink it before it linked it. Perl now checks to
make sure the source and destination filenames aren't in fact
the same directory entry.
The -s file test now returns size of file. Why not?
If you tried to write a general subroutine to open files, passing
in the filehandle as *filehandle, it didn't work because nobody
took responsibility to allocate the filehandle structure internally.
Now, passing *name to subroutine forces filehandle and array
creation on that symbol if they're already not created.
Reading input via <HANDLE> is now a little more efficient--it
does one less string copy.
The dumpvar.pl routine now fixes weird chars to be printable, and
allows you to specify a list of varables to display. The debugger
takes advantage of this. The debugger also now allows \ continuation
lines, and has an = command to let you make aliases easily. Line
numbers should now be correct even after lines containing only
a semicolon.
The action code for parsing split; with no arguments didn't
pass correct a corrent value of bufend to the scanpat it was
using to establish the /\s+/ pattern.
The $] variable returned the rcsid string and patchlevel. It still
returns that in a string context, but in a numeric context it
returns the version number (as in 4.0) + patchlevel / 1000.
So these patches are being applied to 3.018.
The variables $0, %ENV, @ARGV were retaining incorrect information
from the previous incarnation in dumped/undumped scripts.
The %ENV array is suppose to be global even inside packages, but
and off-by-one error kept it from being so.
The $| variable couldn't be set on a filehandle before the file
was opened. Now you can.
If errno == 0, the $! variable returned "Error 0" in a string
context, which is, unfortunately, a true string. It now returns ""
in string context if errno == 0, so you can use it reasonable in
a conditional without comparing it to 0: &cleanup if $!;
On some machines, conversion of a number to a string caused
a malloc string to be overrun by 1 character. More memory is
now allocated for such a string.
The tainting mechanism didn't work right on scripts that were setgid
but not setuid.
If you had reference to an array such as @name in a program, but
didn't invoke any of the usual array operations, the array never
got initialized.
The FPS compiler doesn't do default in a switch very well if the
value can be interpreted as a signed character. There's now a
#ifdef BADSWITCH for such machines.
Certain combinations of backslashed backslashes weren't correctly
parsed inside double-quoted strings.
"Here" strings caused warnings about uninitialized variables because
the string used internally to accumulate the lines wasn't initialized
according to the standards of the -w switch.
The a2p translator couldn't parse {foo = (bar == 123)} due to
a hangover from the old awk syntax. It also needed to put a
chop into a program if the program referenced NF so that the
field count would come out right when the split was done.
There was a missing semicolon when local($_) was emitted.
I also didn't realize that an explicity awk split on ' ' trims
leading whitespace just like the implicit split at the beginning
of the loop. The awk for..in loop has to be translated in one
of two ways in a2p, depending on whether the array was produced
by a split or by subscripting. If the array was a normal array,
a2p put out code that iterated over the array values rather than
the numeric indexes, which was wrong.
The s2p didn't translate \n correctly, stripping the backslash.
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There is now support for compiling perl under the Microsoft C
compiler on MSDOS. Special thanks go to Diomidis Spinellis
<dds@cc.ic.ac.uk> for this. To compile under MSDOS, look at the
readme file in the msdos subdirectory.
As a part of this, six files will be renamed when you run
Configure. These are config.h.SH, perl.man.[1-4] and t/op.subst.
Suns (and perhaps other machines) can't cast negative floating
point numbers to unsigned ints reasonably. Configure now detects
this and takes appropriate action.
Configure looked for optional libraries but then didn't ever use
them, even if there was no config.sh value to override.
System V Release 4 provides us with yet another nm format for
Configure to parse. No doubt it's "better". Sigh.
MIPS CPUs running under Ultrix were getting configured for volatile
support, but they don't like volatile when applied to a type generated
by a typedef. Configure now tests for this.
I've added two new perl library routines: ctime.pl from
Waldemar Kebsch and Marion Hakanson, and syslog.pl from Tom
Christiansen and me.
In subroutines, non-terminal blocks should never have arrays
requested of them, even if the subroutine call's context is
looking for an array.
Formats didn't work inside eval. Now they do.
Any $foo++ that doesn't return a value is now optimized to ++$foo
since the latter doesn't require generation of a temporary to hold
the old value.
A self-referential printf pattern such as sprintf($s,...,$s,...)
would end up with a null as the first character of the next field.
On machines that don't support executing scripts in the kernel,
perl has to emulate that when an exec fails. In this case,
the do_exec() routine can lose arguments passed to the script.
A memory leakage in pattern matching triggered by use of $`, $& or $'
has been fixed.
A splice that pulls up the front of an array such as splice(@array,0,$n)
can cause a duplicate free error.
The grep operator blew up on undefined array values. It now handles
them reasonably, setting $_ to undef.
The .. operator in an array context is used to generate number
ranges. This has been generalized to allow any string ranges that
can be generated with the magical increment code of ++. So
you can say 'a' .. 'f', '000'..'999', etc.
The ioctl function didn't return non-zero values correctly.
Associative array slices from dbm files like @dbmvalues{'foo','bar'}
could use the same cache entry for multiple values, causing loss of
some of the values of the slice. Cache values are now not flushed
until the end of a statement.
The do FILE operator blew up when used inside an eval, due to trying
to free the eval code it was still executing.
If you did s/^prefix// on a string, and subsequently assigned a
value that didn't contain a string value to the string, you could
get a bad free error.
One of the taint checks blew up on undefined array elements, which
showed up only when taintperl was run.
The final semicolon in program is supposed to be optional now.
Unfortunately this wasn't true when -p or -n added extra code
around your code. Now it's true all the time.
A tail anchored pattern such as /foo$/ could cause grief if you
searched a string that was shorter than that.
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I added the list slice operator: (LIST)[LIST]
$hexdigit = (0..9,'a','b','c','d','e','f')[$fourbits]
There was no way to cut stuff out of the middle of an array
or to insert stuff without copying the head and tail of the array,
which is gross. I added the splice operator to do this:
@oldelems = splice(@array,$offset,$len,LIST)
Equivalencies:
splice(@array,0,1)
splice(@array,0,0,$x,$y)
splice(@array,-1,1)
splice(@array,$#array+1,0,$x,$y)
splice(@array,$x,1,$y)
Having -lPW as one of the libraries that Configure looks for
was causing lots of people grief. It was only there for
people using bison who otherwise don't have alloca(), so I
zapped it.
Some of the questions that supported the ~name syntax didn't
say so, and some that should have supported it didn't. Now they do.
If you selected the manp directory for your man pages, the manext
variable was left set to 'n'.
When Configure sees that the optional libraries have previously
been determined in config.sh, it now believes it rather than using
the list it generates.
In the test for byteorder, some compilers get indigestion on the
constant 0x0807060504030201. It's now split into two parts.
Some compilers don't like it if you put CCFLAGS after the .c file
on the command line. Some of the Configure tests did this.
On some systems, the test for vprintf() needs to have stdio.h
included in order to give valid results.
Some machines don't support the volatile declaration as applied
to a pointer. The Configure test now checks for this.
Also, cmd.c had some VOLATILE declarations on pointed-to items
rather than the pointers themselves, causing MIPS heartburn.
In Makefile.SH, some of the t*.c files needed to have dependencies
on perly.h. Additionally, some parallel makes can't handle a
dependency line with two targets, so the perly.h and perl.c lines
have been separated. Also, when perly.h is generated, it will
now have a declaration added to it for yylval--bison wasn't supplying
this.
The construct "while (s/x//) {}" was partially fixed in patch 9, but
there were still some weirdnesses about it. Hopefully these are
ironed out now.
If you did a switch structure based on numeric value, and there
was some action attached to when the variable is greater than
the maximum specified value, that action would not happen. Instead,
any action for values under the minimum value happened.
The debugger had some difficulties after patch 9, due to changes
in the meaning of @array in a scalar context, and because of
an pointer error in patch 9.
Because of the fix in patch 9 to let return () work right, the
construct "return (@array)" did counter-intuitive things. It
now returns an array value. "return @array" and "return (@array)"
now mean the same thing.
A pack of ascii strings could call str_ncat() with negative length
when the length of the string was greater than the length specified
for the field.
Patch 9 fixed *name values so that the wouldn't collide with ordinary
string values, but there were two places I missed, one in perldb,
and one in the sprintf code.
Perl looks at commands it is going to execute to see if it can
bypass /bin/sh and execute them directly. Ordinarily = is not
a shell metacharacter, but in a command like "system 'FOO=bar command'"i
it indicates that /bin/sh should be used, since it's setting an
environment variable. It now does that (other than that construct,
the = character is still not a shell metacharacter).
If a runtime pattern to split happens to be null, it was being
interpreted as if it were a space, that is, as the awk-emulating
split. It now splits all characters apart, since that's more in
line with what people expect, and the other behavior wasn't documented.
Patch 9 added the reserved word "pipe". The scripts eg/g/gsh and
/eg/scan/scanner used pipe as filehandle since they were written
before the recommendation of upper-case filehandles was devised.
They now use PIPE.
The undef $/ command was supposed to let you slurp in an entire
binary file with one <>, but it didn't work as advertised.
Xenix systems have been having problems with Configure setting
up ndir right. Hopefully this will work better now, but it's
possible the changes will blow someone else up. Such is life...
The construct (LIST,) is now legal, so that you can say
@foo = (
1,
2,
3,
);
Various changes were made to the documentation.
In double quoted strings, you could say \0 to mean the null
character. In pattern matches, only \000 was allowed since
\0 was taken to be a \<digit> backreference. Since it doesn't
make sense to refer to the whole matched string before it's done,
there's no reason \0 can't mean null in a pattern too. So now
it does.
You could modify a numeric variable by using substr as an lvalue,
and if you then reference the variable numerically, you'd get
the old number out rather than one derived from the new string.
Now the old number is invalidated on lvalued substr.
The test t/op.mkdir should create directories 0777 rather than 0666.
As Randal requested, the last semicolon of a program is now optional.
Actually, he just asked for -e 'prog' to have that behaviour, but
it seemed reasonable to generalize it slightly. It's been that
way with eval for some time.
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