Re: [xml] exception/segfault on xmlFreeDoc()

[Daniel Veillard <veillard redhat com>]

On Wed, Mar 10, 2004 at 06:54:02PM +0100, oliverst online de wrote:
> When I run test_LoadDocument() I get a exception/segfault in the
> xmlFreeDoc() after the successful LoadDocument.
>
> With MSVC++ and libxml2-2.6.5 it crashes in dict.c line 709, because
> dict has already been free'd. 
>
> The libxml2 has been linked statically and was compiled with teh
> following configuration and defines:
>
> cscript configure.js xml_debug=no debug=no static=yes iconv=no
> schemas=no regexps=no docb=no threads=native ftp=no http=no reader=no
> walker=no legacy=no xpath=yes xptr=no catalog=no xinclude=no c14n=no
> cruntime=/MT
>
> LIBXML_STATIC / LIBXML_STATIC_FOR_DLL / _REENTRANT / HAVE_WIN32_THREADS
>
> And trying an older version (I don't have the version number handy) in
> MinGW also crashes. The crash does happen in valid.c line 2856
> (xmlGetDtdAttrDesc() -> if (dtd->attributes == NULL) return(NULL);)
> because dtd has already been free'd.
>
> I looked all over it and couldn't see the problem at all. It all looked
> fine to me. I unlinked the nodes properly.

  If you start moving subtrees from different document, use the
new xmlReadxxx() function and pass it the XML_PARSE_NODICT option.

Daniel

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