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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=4141 Memory leak when validating simple DTD Summary: Memory leak when validating simple DTD Product: Xerces-C++ Version: 1.5.1 Platform: PC OS/Version: Linux Status: NEW Severity: Major Priority: Other Component: Validating Parser (DTD) AssignedTo: [EMAIL PROTECTED] ReportedBy: [EMAIL PROTECTED] We believe we have discovered a repeatable memory leak when validating even a simple DTD. The size of the leak scales linearly both with the size of the DTD and the number of times that it is used to validate XML input. The leak was confirmed by using the SAXPrint tool that comes with the distribution and the DMALLOC memory leak detection tool. Our inputs were as follows: smallleak.dtd: <?xml encoding="ISO-8859-1"?> <!ELEMENT personnel (person)+> <!ELEMENT person ANY> bigleak.dtd: <?xml encoding="ISO-8859-1"?> <!ELEMENT personnel (person)+> <!ELEMENT person (akshay*, garg*, farm*)> <!ELEMENT akshay ANY> <!ATTLIST akshay name CDATA #IMPLIED> <!ELEMENT garg ANY> <!ELEMENT farm ANY> input.xml: <?xml version="1.0" encoding="iso-8859-1"?> <!DOCTYPE personnel SYSTEM "smallleak.dtd"> <!-- change to bigleak.dtd and note size of unfreed memory increases --> <personnel><person></person></personnel> --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
