Re: Offset a void pointer

The cast has the same precedence as other unary operators.

http://web.ics.purdue.edu/~cs240/misc/operators.html

In no specific order: ++  --  +  -  !  ~  &  *  (type_name)  sizeof new delete


On Tue, 12 Oct 2004 10:17 pm, CAVEY GERARD wrote:
> Hi
>
> I have little question
> It seems impossible to me to offset a void pointer with the += operator
> can someone explain me why ?
> I don t really understand the compiler here ... the left casting should
> give him the memory unit size , right?Is left casting forbidden?
>
> void *BufferPtr;
> unnsigned int stridde=5;
> //doesnt compile !
> (char*)BufferPtr+=stride;
> //will compile
> BufferPtr=(char*)BufferPtr+stride;
>
> Thanks
> GC.
>
>
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