Rob Shearman : oleaut32: Fix a crash in dump_DispParms when running the typelib test with debug tracing on .

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 47bf80da8cc279c4e4be57f49eaca02a534701ee
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=47bf80da8cc279c4e4be57f49eaca02a534701ee

Author: Rob Shearman <rob at codeweavers.com>
Date:   Tue Oct 24 13:01:00 2006 +0100

oleaut32: Fix a crash in dump_DispParms when running the typelib test with debug tracing on.

---

 dlls/oleaut32/typelib.c |   16 ++++++++++------
 1 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/dlls/oleaut32/typelib.c b/dlls/oleaut32/typelib.c
index 8cf4357..0f8f287 100644
--- a/dlls/oleaut32/typelib.c
+++ b/dlls/oleaut32/typelib.c
@@ -1298,15 +1298,19 @@ static void dump_DispParms(const DISPPAR
 
     TRACE("args=%u named args=%u\n", pdp->cArgs, pdp->cNamedArgs);
 
-    if (pdp->cNamedArgs)
+    if (pdp->cNamedArgs && pdp->rgdispidNamedArgs)
+    {
         TRACE("named args:\n");
-    for (index = 0; index < pdp->cNamedArgs; index++)
-        TRACE( "\t0x%x\n", pdp->rgdispidNamedArgs[index] );
+        for (index = 0; index < pdp->cNamedArgs; index++)
+            TRACE( "\t0x%x\n", pdp->rgdispidNamedArgs[index] );
+    }
 
-    if (pdp->cArgs)
+    if (pdp->cArgs && pdp->rgvarg)
+    {
         TRACE("args:\n");
-    for (index = 0; index < pdp->cArgs; index++)
-        dump_Variant( &pdp->rgvarg[index] );
+        for (index = 0; index < pdp->cArgs; index++)
+            dump_Variant( &pdp->rgvarg[index] );
+    }
 }
 
 static void dump_TypeInfo(const ITypeInfoImpl * pty)