Use nothrow and add InitCheck method to check if allocation went fine.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42765 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/shared/WeakReferenceable.h

@@ -8,6 +8,8 @@
 
 #include <Referenceable.h>
 
+#include <new>
+
 
 namespace BPrivate {
 
@@ -38,6 +40,8 @@ public:
 								BWeakReferenceable();
 	virtual						~BWeakReferenceable();
 
+			status_t			InitCheck();
+
 			void				AcquireReference()
 									{ fPointer->GetUnchecked(); }
 
@@ -243,7 +247,7 @@ WeakPointer::GetUnchecked()
 inline
 BWeakReferenceable::BWeakReferenceable()
 	:
-	fPointer(new WeakPointer(this))
+	fPointer(new(std::nothrow) WeakPointer(this))
 {
 }
 
@@ -255,6 +259,15 @@ BWeakReferenceable::~BWeakReferenceable()
 }
 
 
+inline status_t
+BWeakReferenceable::InitCheck()
+{
+	if (fPointer == NULL)
+		return B_NO_MEMORY;
+	return B_OK;
+}
+
+
 inline WeakPointer*
 BWeakReferenceable::GetWeakPointer()
 {