[Debburn-devel] Re: [PATCH] fixes for aliasing bugs
Peter Samuelson
peter at p12n.org
Thu Sep 28 05:33:05 UTC 2006
[neologix at free.fr]
> It's not just "not strict ANSI C", it's just false. When performing
> arithmetic on pointers, the compiler _needs_ the type of the pointed
> to objects to do the calculations (it multiplies the offest by the
> object's size).
When he said it's "not strict ANSI C", he meant that it's a gcc
extension. gcc explicitly supports this functionality, treating
sizeof(void) as sizeof(char) for the purpose of pointer arithmetic.
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