[xsl] How to capture errors in XSLT transformation?

[Esther Parrilla Endrino <esther.parrilla@xxxxxxxxxxxxxxxx>]

Hello all,

I am using the example posted in the libxslt web page to transform an 
input XML file into HTML, my code is very simple:

-snip-

	// parse XSL
	cur = xsltParseStylesheetFile((const xmlChar *)xslFile_name);
	
	// parse XML
	doc = xmlParseFile(xmlFile_name);
	
	// apply XSL
	res = xsltApplyStylesheet(cur, doc, params);
	
	// display in stdout
	//xsltSaveResultToFile(stdout, res, cur);
	
	// saves formatted file to disk
	xmlSaveFile(formattedFile_name, res);

	// deallocate
	xsltFreeStylesheet(cur);
	xmlFreeDoc(res);
	xmlFreeDoc(doc);
        xsltCleanupGlobals();
        xmlCleanupParser();


-snip-

If for example, the XML is validated against a schema that contains 
namespaces and into the XSL I delete the reference to that Namespace 
location, the file is transformed but erroneously and I get this error 
onto the console...
How can I catch the error in my code? How are managed erros in thei 
library?
THefucntions I call does not rerun an error code I can catch and manage! :(

Any help shall be appreciated

esther

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