msxml3: Always set out pointer to null on failed QueryInterface.

dlls/msxml3/attribute.c

@@ -77,6 +77,7 @@ static HRESULT WINAPI domattr_QueryInterface(
     else
     {
         FIXME("Unsupported interface %s\n", debugstr_guid(riid));
+        *ppvObject = NULL;
         return E_NOINTERFACE;
     }
 

dlls/msxml3/bsc.c

@@ -74,6 +74,7 @@ static HRESULT WINAPI bsc_QueryInterface(
     }
 
     TRACE("interface %s not implemented\n", debugstr_guid(riid));
+    *ppobj = NULL;
     return E_NOINTERFACE;
 }
 

dlls/msxml3/cdata.c

@@ -70,12 +70,6 @@ static HRESULT WINAPI domcdata_QueryInterface(
     {
         *ppvObject = iface;
     }
-    else if ( IsEqualGUID( riid, &IID_IXMLDOMText ) ||
-              IsEqualGUID( riid, &IID_IXMLDOMElement ) )
-    {
-        TRACE("Unsupported interface\n");
-        return E_NOINTERFACE;
-    }
     else if(node_query_interface(&This->node, riid, ppvObject))
     {
         return *ppvObject ? S_OK : E_NOINTERFACE;
@@ -83,6 +77,7 @@ static HRESULT WINAPI domcdata_QueryInterface(
     else
     {
         FIXME("Unsupported interface %s\n", debugstr_guid(riid));
+        *ppvObject = NULL;
         return E_NOINTERFACE;
     }
 

dlls/msxml3/comment.c

@@ -77,6 +77,7 @@ static HRESULT WINAPI domcomment_QueryInterface(
     else
     {
         FIXME("Unsupported interface %s\n", debugstr_guid(riid));
+        *ppvObject = NULL;
         return E_NOINTERFACE;
     }
 

dlls/msxml3/docfrag.c

@@ -76,6 +76,7 @@ static HRESULT WINAPI domfrag_QueryInterface(
     else
     {
         FIXME("Unsupported interface %s\n", debugstr_guid(riid));
+        *ppvObject = NULL;
         return E_NOINTERFACE;
     }
 

dlls/msxml3/doctype.c

@@ -78,6 +78,7 @@ static HRESULT WINAPI domdoctype_QueryInterface(
     else
     {
         FIXME("interface %s not implemented\n", debugstr_guid(riid));
+        *ppvObject = NULL;
         return E_NOINTERFACE;
     }
 

dlls/msxml3/domimpl.c

@@ -70,6 +70,7 @@ static HRESULT WINAPI dimimpl_QueryInterface(
     else
     {
         FIXME("Unsupported interface %s\n", debugstr_guid(riid));
+        *ppvObject = NULL;
         return E_NOINTERFACE;
     }
 

dlls/msxml3/element.c

@@ -86,6 +86,7 @@ static HRESULT WINAPI domelem_QueryInterface(
     else
     {
         FIXME("interface %s not implemented\n", debugstr_guid(riid));
+        *ppvObject = NULL;
         return E_NOINTERFACE;
     }
 

dlls/msxml3/entityref.c

@@ -76,6 +76,7 @@ static HRESULT WINAPI entityref_QueryInterface(
     else
     {
         FIXME("Unsupported interface %s\n", debugstr_guid(riid));
+        *ppvObject = NULL;
         return E_NOINTERFACE;
     }
 

dlls/msxml3/factory.c

@@ -80,6 +80,7 @@ static HRESULT WINAPI ClassFactory_QueryInterface(
     }
 
     FIXME("interface %s not implemented\n", debugstr_guid(riid));
+    *ppobj = NULL;
     return E_NOINTERFACE;
 }
 

dlls/msxml3/nodemap.c

@@ -82,6 +82,7 @@ static HRESULT WINAPI xmlnodemap_QueryInterface(
     else
     {
         FIXME("interface %s not implemented\n", debugstr_guid(riid));
+        *ppvObject = NULL;
         return E_NOINTERFACE;
     }
 

dlls/msxml3/parseerror.c

@@ -71,6 +71,7 @@ static HRESULT WINAPI parseError_QueryInterface(
     else
     {
         FIXME("interface %s not implemented\n", debugstr_guid(riid));
+        *ppvObject = NULL;
         return E_NOINTERFACE;
     }
 

dlls/msxml3/pi.c

@@ -76,6 +76,7 @@ static HRESULT WINAPI dom_pi_QueryInterface(
     else
     {
         FIXME("Unsupported interface %s\n", debugstr_guid(riid));
+        *ppvObject = NULL;
         return E_NOINTERFACE;
     }
 

dlls/msxml3/schema.c

@@ -948,6 +948,7 @@ static HRESULT WINAPI schema_cache_QueryInterface(IXMLDOMSchemaCollection2* ifac
     else
     {
         FIXME("interface %s not implemented\n", debugstr_guid(riid));
+        *ppvObject = NULL;
         return E_NOINTERFACE;
     }
 

dlls/msxml3/stylesheet.c

@@ -96,6 +96,7 @@ static HRESULT WINAPI xsltemplate_QueryInterface(
     else
     {
         FIXME("Unsupported interface %s\n", debugstr_guid(riid));
+        *ppvObject = NULL;
         return E_NOINTERFACE;
     }
 

dlls/msxml3/text.c

@@ -75,16 +75,10 @@ static HRESULT WINAPI domtext_QueryInterface(
     {
         return *ppvObject ? S_OK : E_NOINTERFACE;
     }
-    else if ( IsEqualGUID( riid, &IID_IXMLDOMElement ) ||
-              IsEqualGUID( riid, &IID_IXMLDOMCDATASection ) )
-    {
-        /* IXMLDOMText is known to be correct in not implementing these */
-        TRACE("Unsupported interface\n");
-        return E_NOINTERFACE;
-    }
     else
     {
         FIXME("Unsupported interface %s\n", debugstr_guid(riid));
+        *ppvObject = NULL;
         return E_NOINTERFACE;
     }
 

dlls/msxml3/xmldoc.c

@@ -95,6 +95,7 @@ static HRESULT WINAPI xmldoc_QueryInterface(IXMLDocument *iface, REFIID riid, vo
     else
     {
         FIXME("interface %s not implemented\n", debugstr_guid(riid));
+        *ppvObject = NULL;
         return E_NOINTERFACE;
     }
 

dlls/msxml3/xmlelem.c

@@ -75,6 +75,7 @@ static HRESULT WINAPI xmlelem_QueryInterface(IXMLElement *iface, REFIID riid, vo
     else
     {
         FIXME("interface %s not implemented\n", debugstr_guid(riid));
+        *ppvObject = NULL;
         return E_NOINTERFACE;
     }