Hey All,
When porting some code from DOM to IDOM I got a segfault when I called
IDDOMImplementation::createDocumentType().
Here's the offending bit of code:
return new IDDocumentTypeImpl(0, qualifiedName, publicId, systemId);
It passes in a null pointer as the ownerDocument to:
IDDocumentTypeImpl::IDDocumentTypeImpl(IDOM_Document *ownerDoc,
const XMLCh *qualifiedName,
const XMLCh *pubId,
const XMLCh *sysId)
: fNode(ownerDoc),
fParent(ownerDoc)
{
IDDocumentImpl *docImpl = (IDDocumentImpl *)ownerDoc;
publicId = docImpl->cloneString(pubId);
systemId = docImpl->cloneString(sysId);
At which point it calls cloneString() which attempts to allocate
memory and assign it to the (NULL) ownerDocument ==> segfault.
This code is taken (nearly) verbatim from DOM, where it works because
memory management is handled differently.
How is this every supposed to work for IDOM? Before I create a
Document, I have to first create a DocumentType, but in order to have
one of those the memory must be allocated to an existing
Document...
Catch 22 ...
I would offer a patch but this is hopeless.
jas.
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