0 or 0L for empty pointers?

[Lubos Lunak]

On Friday 23 June 2006 14:03, Stefan Teleman wrote:
> On Friday 23 June 2006 07:42, Frans Englich wrote:
> > Yes, some features should be avoided
> > in any case like dynamic_cast, but perhaps there's some template
> > features or the like that should be avoided.
>
> Just out of curiosity, why is dynamic_cast<> a Bad Thing(TM) ?

 It is not, in general. But one needs to be careful when using dynamic_cast 
across dlopen boundaries, because under some conditions g++ emits multiple 
rtti info instances which are not merged without using RTLD_GLOBAL and that 
may make dynamic_cast fail. It should be fixable though.

-- 
Lubos Lunak
KDE developer
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