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Description: Nokogiri (鋸) is an HTML, XML, SAX, and Reader parser with XPath and CSS selector support.
Homepage: http://nokogiri.rubyforge.org/
Clone URL: git://github.com/tenderlove/nokogiri.git 
fixing memory issues. removing old code that freed the context object on 
error, and making sure we deallocate only at garbage_collect time, not at 
gc_mark time.
mdalessio (author)
Tue Sep 30 09:16:34 -0700 2008
commit  8e34e5b2357dc308345f7f5dbd6c6d9720ec46d8
tree    95704d2073d4c49edb1ba91d0e0482f6f3fcffb0
parent  ff434d21e8cd63cf0aa15981711df205d75ed53a
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ext/nokogiri/xml_xpath_context.c 
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@@ -37,7 +37,6 @@ static VALUE evaluate(VALUE self, VALUE search_path)
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   xmlChar* query = (xmlChar *)StringValuePtr(search_path);
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   xmlXPathObjectPtr xpath = xmlXPathEvalExpression(query, ctx);
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   if(xpath == NULL) {
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-    xmlXPathFreeContext(ctx);
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     rb_raise(rb_eRuntimeError, "Couldn't evaluate expression '%s'", query);
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   }
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   return Nokogiri_wrap_xml_xpath(xpath);
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@@ -52,7 +51,7 @@ static VALUE new(VALUE klass, VALUE nodeobj)
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   xmlXPathContextPtr ctx = xmlXPathNewContext(node->doc);
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   ctx->node = node ;
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-  return Data_Wrap_Struct(klass, deallocate, 0, ctx);
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+  return Data_Wrap_Struct(klass, 0, deallocate, ctx);
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 }
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 VALUE cNokogiriXmlXpathContext;

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