Nikolay Sivov : oleview: Fix some crashes on unnamed methods/arguments.

[Alexandre Julliard]

Module: wine
Branch: stable
Commit: 3f5359e10a2e1606e4182ccf491893d2d36f604e
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=3f5359e10a2e1606e4182ccf49...

Author: Nikolay Sivov <nsivov(a)codeweavers.com>
Date:   Sun Jan  2 16:05:10 2011 +0300

oleview: Fix some crashes on unnamed methods/arguments.
(cherry picked from commit f88d7bc8ca2e67d4b04870dc6295aaf04661c4b5)

---

 programs/oleview/typelib.c |    9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/programs/oleview/typelib.c b/programs/oleview/typelib.c
index 771305f..d2d6d00 100644
--- a/programs/oleview/typelib.c
+++ b/programs/oleview/typelib.c
@@ -631,7 +631,7 @@ static int EnumFuncs(ITypeInfo *pTypeInfo, TYPEATTR *pTypeAttr, HTREEITEM hParen
             AddToTLDataStrW(tld, wszStdCall);
             AddToTLDataStrW(tld, wszSpace);
         }
-        AddToTLDataStrW(tld, bstrName);
+        if (bstrName) AddToTLDataStrW(tld, bstrName);
         AddToTLDataStrW(tld, wszOpenBrackets2);
 
         for(j=0; j<pFuncDesc->cParams; j++)
@@ -701,8 +701,11 @@ static int EnumFuncs(ITypeInfo *pTypeInfo, TYPEATTR *pTypeAttr, HTREEITEM hParen
             AddToTLDataStrW(tld, wszAfter);
             AddToTLDataStrW(tld, wszSpace);
             if (j+1 < namesNo) {
-                AddToTLDataStrW(tld, bstrParamNames[j+1]);
-                SysFreeString(bstrParamNames[j+1]);
+                if (bstrParamNames[j+1])
+                {
+                    AddToTLDataStrW(tld, bstrParamNames[j+1]);
+                    SysFreeString(bstrParamNames[j+1]);
+                }
             } else {
                 AddToTLDataStrW(tld, szRhs);
             }