From: Rhodri James <rhodri@kynesim.co.uk>
Date: Tue, 25 Apr 2017 16:32:04 +0000 (+0100)
Subject: Validate parser parameter to XML_SetUnparsedEntityDeclHandler
X-Git-Tag: R_2_2_1~51^2~33
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=eaaa8e6a9a6b9263d29554900341b01d49e8373e;p=libexpat

Validate parser parameter to XML_SetUnparsedEntityDeclHandler
---

diff --git a/expat/lib/xmlparse.c b/expat/lib/xmlparse.c
index 8f71fcab..a89cf0e1 100644
--- a/expat/lib/xmlparse.c
+++ b/expat/lib/xmlparse.c
@@ -1500,7 +1500,8 @@ void XMLCALL
 XML_SetUnparsedEntityDeclHandler(XML_Parser parser,
                                  XML_UnparsedEntityDeclHandler handler)
 {
-  unparsedEntityDeclHandler = handler;
+  if (parser != NULL)
+    unparsedEntityDeclHandler = handler;
 }
 
 void XMLCALL