Hi Jason,
I modified the CreateDOMDocument sample to do the following (modified from
your original posting):
{
XMLCh xfoo[] = {chLatin_f, chLatin_o, chLatin_o, chNull};
DOMImplementation* impl =
DOMImplementationRegistry::getDOMImplementation(X("Core"));
for (int foobar=0; foobar<1000; foobar++)
{
try
{
DOMDocumentType* dt = impl->createDocumentType(xfoo,xfoo,xfoo);
dt->release();
}
catch (...)
{
XERCES_STD_QUALIFIER cerr << "An error occurred creating the
document" << XERCES_STD_QUALIFIER endl;
errorCode = 3;
}
}}
When I run the sample through purify on windows it reports that there is no
memory leak. How are you determining there is a leak?
I am not using the infinite loop (while (1)) but have tried going up to
100,000... If there was a problem I thought it would show up by then...
Regards,
David A. Cargill
XML Parser Development
[EMAIL PROTECTED]
tics.com (Jason
E. Stewart) To
Sent by: "Jason [email protected]
E. Stewart" cc
<[EMAIL PROTECTED]
atics.com> Subject
Re: createDocuemntType leaking
05/31/2005 01:42
AM
Please respond to
c-dev
----- Message from [EMAIL PROTECTED] (Jason E. Stewart) on Sat, 28
May 2005 17:17:10 +0530 -----
To: [email protected]
Subject: Re: Using delete() instead of release()
Gareth Reakes <[EMAIL PROTECTED]> writes:
> Hey,
>
> Wrote a short one
>
>
http://blog.parthenoncomputing.com/xerces/archives/2005/05/memory_manageme.html
>
> Please give comments. This comes up now and again so its worth
> spending a bit of time on to make it understandable.
Hey Gareth,
I've re-examined this. Your blog entry says:
"To release all memory consumed then you must call release on the
document. If, after calling release the document you still see a
memory leak then there may well be a memory leak."
My code does the following:
1) gets a DOMImplementation
2) calls createDocumentType()
3) calls createDocument()
4) calls doc->release()
and it leaks memory. Calling delete on the DOMImplementation is
obviously wrong because the call to getDOMImplementation segfaults
next time around.
I don't have anything else to call release() on, do I?
So I've exhausted my ideas. Why is this not a leak?
Cheers,
jas.
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