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[perl #108952] [PATCH] 97df921 fix PerlIO-scalar test when unpack J fails

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rurban @ cpanel . net
January 24, 2012 09:04
[perl #108952] [PATCH] 97df921 fix PerlIO-scalar test when unpack J fails
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This is a bug report for perl from,
generated with the help of perlbug 1.39 running under perl 5.15.7.

>From 97df9213259879b2702a65c775e31af615cc0380 Mon Sep 17 00:00:00 2001
From: Reini Urban <>
Date: Tue, 24 Jan 2012 11:00:46 -0600
Subject: [PATCH] fix PerlIO-scalar test when unpack J fails
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cygwin with use64bitint fails in unpack J. be defensive
 ext/PerlIO-scalar/t/scalar.t |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

Content-Type: text/x-patch; name="0001-fix-PerlIO-scalar-test-when-unpack-J-fails.patch"
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Content-Disposition: attachment; filename="0001-fix-PerlIO-scalar-test-when-unpack-J-fails.patch"

diff --git a/ext/PerlIO-scalar/t/scalar.t b/ext/PerlIO-scalar/t/scalar.t
index ccf66dd..0c1cd4c 100644
--- a/ext/PerlIO-scalar/t/scalar.t
+++ b/ext/PerlIO-scalar/t/scalar.t
@@ -329,6 +329,7 @@ sub has_trailing_nul(\$) {
    return 0 if $cur >= $len;
    my $pv_addr = unpack 'J', pack 'P', $$ref;
+   $pv_addr = unpack 'I', pack 'p', $$ref unless $pv_addr;
    my $trailing = unpack 'P', pack 'J', $pv_addr+$cur;
    return $trailing eq "\0";


Site configuration information for perl 5.15.7:

Configured by rurban at Sun Jan 22 12:13:34 CST 2012.

Summary of my perl5 (revision 5 version 15 subversion 7) configuration:
    osname=linux, osvers=3.0.0-1-amd64, archname=x86_64-linux
    uname='linux reini 3.0.0-1-amd64 #1 smp sun jul 24 02:24:44 utc 2011 x86_64 gnulinux '
    config_args='-de -Dusedevel -Dinstallman1dir=none -Dinstallman3dir=none -Dinstallsiteman1dir=none -Dinstallsiteman3dir=none -Uuseithreads -Accflags='-msse4.2' -Accflags='-march=corei7' -Dcf_email='' -Dperladmin='' -Duseshrplib'
    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
    cc='cc', ccflags ='-msse4.2 -march=corei7 -fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64',
    cppflags='-msse4.2 -march=corei7 -fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include'
    ccversion='', gccversion='4.6.1', 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 /usr/lib /usr/lib/x86_64-linux-gnu /lib64 /usr/lib64
    libs=-lnsl -lgdbm -ldb -ldl -lm -lcrypt -lutil -lc -lgdbm_compat
    perllibs=-lnsl -ldl -lm -lcrypt -lutil -lc
    libc=, so=so, useshrplib=true,
  Dynamic Linking:
    dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E -Wl,-rpath,/usr/local/lib/perl5/5.15.7/x86_64-linux/CORE'
    cccdlflags='-fPIC', lddlflags='-shared -O2 -L/usr/local/lib -fstack-protector'

Locally applied patches:

@INC for perl 5.15.7:

Environment for perl 5.15.7:
    LANGUAGE (unset)
    LD_LIBRARY_PATH (unset)
    LOGDIR (unset)
    PERL_BADLANG (unset)

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