On Mon, Nov 19, 2007 at 02:15:37PM +1100, Andrew Nelson wrote:
> Dear List,
> I am using the latest version of libxml2 (2.6.30) to provide XML
> support for a program called IGOR Pro on Win32 + MacOSX. This
> project takes the form of a C plugin.
Replying to this very old mail...
> -I compiled the libxml2 source myself.
> -My test XML file is:
> _______________________
> <?xml version="1.0"?>
> <XMLutils/>
> _______________________
>
> -the code fragment I have in my plugin is listed below. When we get
> to this stage doc is a valid xmlDocPtr, and xpathExpr = BAD_CAST ("/
> XMLutils")
> _____________________________________________________
[...]
> If I run this fragment on the console it works fine. However, it
> crashes everytime in my plugin. The stacktrace is
>
> 0 libxml2.2.dylib 0x17ba9561 xmlPatternMaxDepth +
> 111 (pattern.c:2545)
> 1 libxml2.2.dylib 0x17b0d261 xmlXPathRunStreamEval
> + 69 (xpath.c:14043)
> 2 libxml2.2.dylib 0x17b0d823 xmlXPathRunEval + 296
> (xpath.c:14295)
> 3 libxml2.2.dylib 0x17b0e281
> xmlXPathCompiledEvalInternal + 233 (xpath.c:14681)
> 4 libxml2.2.dylib 0x17b0e3d2 xmlXPathCompiledEval +
> 46 (xpath.c:14745)
> 5 com.apple.carbonbundletemplate 0x179e5186
> execute_xpath_expression(_xmlDoc*, unsigned char*, unsigned char*,
> int*) + 180 (XMLevaluateXPathExpression.cpp:126)
>
> I investigated the cause of the crash and it appears that in
> xmlPatternMaxDepth(pattern.c:2545) the pointer comp->stream is
Are you sure when running in your plugin environment you are not
linking to a *different* libxml2 shared library with different options
compiled in ? This sounds the most probable source of the problem.
Daniel
--
Red Hat Virtualization group http://redhat.com/virtualization/
Daniel Veillard | virtualization library http://libvirt.org/
[EMAIL PROTECTED] | libxml GNOME XML XSLT toolkit http://xmlsoft.org/
http://veillard.com/ | Rpmfind RPM search engine http://rpmfind.net/
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