"Peter Dimov" <[EMAIL PROTECTED]> wrote in message 00bb01c2a046$671b1c20$1d00a8c0@pdimov2">news:00bb01c2a046$671b1c20$1d00a8c0@pdimov2... > From: "Johan Nilsson" <[EMAIL PROTECTED]> > [...] > > template<typename T> > > T* dynamic_void_cast(void* pv) > > { > > struct rtti_obj__ > > { > > virtual ~rtti_obj__() = 0; > > }; > > > > rtti_obj__* pro = static_cast<rtti_obj__*>(pv); > > > > try > > { > > return dynamic_cast<T*>(pro); > > } > > This is not required to work. T's vtable pointer is not guaranteed to be at > offset 0. >
But I thought that it _might_ be required to be at the same offset for T as for rtti_obj. For that part, IIRC, a vtable isn't required at all, or? // Johan _______________________________________________ Unsubscribe & other changes: http://lists.boost.org/mailman/listinfo.cgi/boost
