Validate parser parameter to XML_GetErrorCode

diff --git a/expat/lib/xmlparse.c b/expat/lib/xmlparse.c
index 6b4e5868070ef49213db158db813ab133cd9a8a2..c64d0a647ac5ebce0c13e50d222347b9c817f8d9 100644 (file)
--- a/expat/lib/xmlparse.c
+++ b/expat/lib/xmlparse.c
@@ -2016,6 +2016,8 @@ XML_GetParsingStatus(XML_Parser parser, XML_ParsingStatus *status)
 enum XML_Error XMLCALL
 XML_GetErrorCode(XML_Parser parser)
 {
+  if (parser == NULL)
+    return XML_ERROR_INVALID_ARGUMENT;
   return errorCode;
 }