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More Assertions and checks for null similar to the last checkin. r=me

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This commit is contained in:
dougt%netscape.com 2001-04-14 02:01:37 +00:00
parent 62514913c5
commit 48b4fc668c
1 changed files with 17 additions and 8 deletions
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25
xpcom/proxy/src/nsProxyEventObject.cpp
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@ -202,13 +202,20 @@ nsProxyEventObject::GetNewOrUsedProxy(nsIEventQueue *destQueue,
// this must not be a nsCOMPtr since we need to make sure that we do a QI.
nsCOMPtr<nsISupports> rootObject;
if(NS_FAILED(rawObject->QueryInterface(NS_GET_IID(nsISupports), getter_AddRefs(rootObject))))
return nsnull;
return nsnull;
NS_ASSERTION(rootObject, "where did my root object go!");
if (!rootObject)
return nsnull;
/* get our hash table */
nsProxyObjectManager *manager = nsProxyObjectManager::GetInstance();
if (manager == nsnull) return nsnull;
if (manager == nsnull)
return nsnull;
nsHashtable *realToProxyMap = manager->GetRealObjectToProxyObjectMap();
if (realToProxyMap == nsnull) return nsnull;
if (realToProxyMap == nsnull)
return nsnull;
// we need to do make sure that we addref the passed in object as well as ensure
// that it is of the requested IID;
@ -216,14 +223,16 @@ nsProxyEventObject::GetNewOrUsedProxy(nsIEventQueue *destQueue,
nsCOMPtr<nsISupports> requestedInterface;
if(NS_FAILED(rawObject->QueryInterface(aIID, getter_AddRefs(requestedInterface))))
return nsnull;
return nsnull;
NS_ASSERTION(requestedInterface, "where did my requestedInterface object go!");
if (!rootObject)
return nsnull;
// this will be our key in the hash table.
// this must not be a nsCOMPtr since we need to make sure that we do a QI.
nsCOMPtr<nsISupports> destQRoot;
destQRoot = do_QueryInterface(destQueue, &rv);
if (NS_FAILED(rv))
nsCOMPtr<nsISupports> destQRoot = do_QueryInterface(destQueue, &rv);
if (NS_FAILED(rv) || !destQRoot)
return nsnull;
nsProxyEventKey rootkey(rootObject.get(), destQRoot.get(), proxyType);