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[perl #105232] Tied filehandles need a PerlIO::get_layers interface
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From:
David Golden
Date:
December 2, 2011 19:02
Subject:
[perl #105232] Tied filehandles need a PerlIO::get_layers interface
Message ID:
rt-3.6.HEAD-5084-1322881306-350.105232-75-0@perl.org
# New Ticket Created by David Golden
# Please include the string: [perl #105232]
# in the subject line of all future correspondence about this issue.
# <URL: https://rt.perl.org:443/rt3/Ticket/Display.html?id=105232 >
This is a bug report for perl from dagolden@cpan.org,
generated with the help of perlbug 1.39 running under perl 5.14.0.
-----------------------------------------------------------------
[Please describe your issue here]
Tied filehandles have BINMODE to modify layers on filehandle,
but no corresponding interface to query the layers already on the
filehandle.
Tied filehandles should support a GET_LAYERS method that
PerlIO::get_layers would then use to retrieve layers from
tied filehandles.
This change to core would also require updating Tie::Handle
and Tie::StdHandle accordingly.
[Please do not change anything below this line]
-----------------------------------------------------------------
---
Flags:
category=core
severity=low
---
Site configuration information for perl 5.14.0:
Configured by david at Mon Jun 6 22:42:49 EDT 2011.
Summary of my perl5 (revision 5 version 14 subversion 0) configuration:
Platform:
osname=linux, osvers=2.6.35-28-generic, archname=x86_64-linux
uname='linux icarus 2.6.35-28-generic #50-ubuntu smp fri mar 18
18:42:20 utc 2011 x86_64 gnulinux '
config_args='-de -Dprefix=/home/david/perl5/perlbrew/perls/perl-5.14.0'
hint=recommended, useposix=true, d_sigaction=define
useithreads=undef, usemultiplicity=undef
useperlio=define, d_sfio=undef, uselargefiles=define, usesocks=undef
use64bitint=define, use64bitall=define, uselongdouble=undef
usemymalloc=n, bincompat5005=undef
Compiler:
cc='cc', ccflags ='-fno-strict-aliasing -pipe -fstack-protector
-I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64',
optimize='-O2',
cppflags='-fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include'
ccversion='', gccversion='4.4.5', gccosandvers=''
intsize=4, longsize=8, ptrsize=8, doublesize=8, byteorder=12345678
d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=16
ivtype='long', ivsize=8, nvtype='double', nvsize=8, Off_t='off_t',
lseeksize=8
alignbytes=8, prototype=define
Linker and Libraries:
ld='cc', ldflags =' -fstack-protector -L/usr/local/lib'
libpth=/usr/local/lib /lib/../lib /usr/lib/../lib /lib /usr/lib
/usr/lib/x86_64-linux-gnu /lib64 /usr/lib64
libs=-lnsl -ldl -lm -lcrypt -lutil -lc
perllibs=-lnsl -ldl -lm -lcrypt -lutil -lc
libc=/lib/libc-2.12.1.so, so=so, useshrplib=false, libperl=libperl.a
gnulibc_version='2.12.1'
Dynamic Linking:
dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E'
cccdlflags='-fPIC', lddlflags='-shared -O2 -L/usr/local/lib
-fstack-protector'
Locally applied patches:
---
@INC for perl 5.14.0:
/home/david/perl5/perlbrew/perls/perl-5.14.0/lib/site_perl/5.14.0/x86_64-linux
/home/david/perl5/perlbrew/perls/perl-5.14.0/lib/site_perl/5.14.0
/home/david/perl5/perlbrew/perls/perl-5.14.0/lib/5.14.0/x86_64-linux
/home/david/perl5/perlbrew/perls/perl-5.14.0/lib/5.14.0
.
---
Environment for perl 5.14.0:
HOME=/home/david
LANG=en_US.utf8
LANGUAGE (unset)
LC_COLLATE=C
LC_CTYPE=en_US.UTF-8
LD_LIBRARY_PATH (unset)
LOGDIR (unset)
PATH=~/git/utility-scripts/:/home/david/perl5/perlbrew/bin:/home/david/perl5/perlbrew/perls/perl-5.14.0/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:.
PERLBREW_BASHRC_VERSION=0.30
PERLBREW_HOME=/home/david/.perlbrew
PERLBREW_PATH=/home/david/perl5/perlbrew/bin:/home/david/perl5/perlbrew/perls/perl-5.14.0/bin
PERLBREW_PERL=perl-5.14.0
PERLBREW_ROOT=/home/david/perl5/perlbrew
PERLBREW_VERSION=0.23
PERL_BADLANG (unset)
PERL_EXTUTILS_AUTOINSTALL=--defaultdeps
SHELL=/bin/bash
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[perl #105232] Tied filehandles need a PerlIO::get_layers interface
by David Golden