Boost logo

Boost Users :

From: Cory Nelson (phrosty_at_[hidden])
Date: 2005-04-20 23:36:45


So long as Type has no ctor/dtor, I don't see a reason why it wouldn't work.

On 4/20/05, Sean DeNigris <lotusone_at_[hidden]> wrote:
>
>
>
> Hey-hey,
>
> Is it proper to to use static_cast like this:
>
>
>
> //Library.h - legacy library
>
> typedef ??? Type; //library-defined, we don't know the actual type
>
> typedef Type* PType; //library-defined pointer type
>
>
>
> //sets bufSize to # bytes necessary if buf not big enough
>
> LibraryFunction(PType buf, int* bufSize);
>
>
>
> //MyCode.cpp
>
> int bytesNeeded = 0;
>
> LibraryFunction(0, &bytesNeeded);
>
> scoped_array<Type>(static_cast<PType>(new
> BYTE[bytesNeeded]));
>
>
>
> The legacy library tells us storage requirements in BYTEs, but I want to
> deal with 'Type's, not BYTEs.
>
>
>
> Is there a conceivable reason why this could not be safe, even if it happens
> to be with the current implementation?
>
> Thanks.
>
> - Sean
> _______________________________________________
> Boost-users mailing list
> Boost-users_at_[hidden]
> http://lists.boost.org/mailman/listinfo.cgi/boost-users
>
>

-- 
Cory Nelson
http://www.int64.org

Boost-users list run by williamkempf at hotmail.com, kalb at libertysoft.com, bjorn.karlsson at readsoft.com, gregod at cs.rpi.edu, wekempf at cox.net