Hi.
I'm not sure if this is a Perl or libxml question.
I have an XSLT stylesheet which process multiple XML files.
I have added extension functions to lookup information (based on
attributes in the XML) from a different, constant XML file
and return a nodelist of additional information which is used in a
for-each loop in the XSLT.
This all works fine in Windows XP.
But under Linux - using variuous versions of libxml/libxslt - I get a
segmentation or memory fault error:
E.g.
Recoding from TM_OUT to CM_OUT
.*** glibc detected *** double free or corruption (fasttop): 0x08c787e8 ***
Aborted
If I set the extension functions to return an empty NodeList then I get
no errors
(but obviously not the output I want!).
I have also tried creating a new XML::LibXML::NodeList,
cloning each node found from the constant XML file,
setting the owner document to the current XML data
and pushing these nodes onto the new nodelist.
E.G.
# !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
my $dumndlist=XML::LibXML::NodeList->new();
# !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
my $fn_drgcombo= sub {
my $tandem_UID=shift || '""';
my $root=shift;
###return $dumndlist;
my $od=$root->get_node(0)->ownerDocument();
my $newl=XML::LibXML::NodeList->new();
my $nl=$drgcombo->findnodes('/DRGCOMBOLIST/[EMAIL PROTECTED]'.$tandem_UID.']');
for my $n ($nl->get_nodelist() ) {
my $nn=$n->cloneNode(1);
$nn->setOwnerDocument($od);
$newl->push($nn);
}
return $newl;
};
# !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
but I still get the memory error.
Any idea how to return a nodelist from an extension function in XML::LibXSLT
(or is this a bug)?
Thanks
Mike Trotman
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