Re: [xml] xmlParseFile alocates memory and xmlFreeDoc does not free all the memory

[Daniel Veillard <veillard redhat com>]

On Thu, Dec 02, 2004 at 09:16:10PM +0100, Ioan Paul Pirau wrote:
>        //check if the file is valid against it's DTD
>        xmlDoValidityCheckingDefaultValue = 1;
>        xmlParserCtxtPtr pctxt;
>        pctxt = xmlCreateFileParserCtxt(strFileName.c_str());
>        xmlParseDocument(pctxt);
>        if (!pctxt->valid)
>        {
>            p_Result = NoBook;
>            return;
>        }
>
>        doc = xmlParseFile((char*)strFileName.c_str());
>
>        xmlFreeDoc(doc);//clear memory
>        xmlCleanupParser();
>        xmlMemoryDump();
>
> ... and the thing is that xmlFreeDoc does not delete all the memory 
> allocated by the calls :
>
>    xmlParseDocument(pctxt);
> and
>    xmlParseFile((char*)strFileName.c_str());
>
> In my case I use a 2 Mb XML file and the memory leak is quite big ...

  You are parsing the document *twice* !
You are freeing *one* document. You are not freeing pctxt, you look
extremely confused, I suggest you use the examples as guidelines instead of
poking randomly at the API 
   http://xmlsoft.org/examples/index.html#parse2.c

  forget about the code you have shown us and restart from the one 
in the example.

Daniel

-- 
Daniel Veillard      | Red Hat Desktop team http://redhat.com/
veillard redhat com  | libxml GNOME XML XSLT toolkit  http://xmlsoft.org/
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