Re: [PATCH] use %p for pointers

[H. Peter Anvin]

Jakub Jelinek wrote:
> On Wed, Oct 11, 2006 at 11:45:10AM -0700, H. Peter Anvin wrote:
> > Al Viro wrote:
> > > %p will do no such thing in the kernel.  As for the difference...  %x
> > > might happen to work on some architectures (where sizeof(void 
> > > *)==sizeof(int)),
> > > but it's not portable _and_ not right.  %p is proper C for that...
> > It's really too bad gcc bitches about %#p, because that's arguably The 
> > Right Thing.
>
> It is correct that gcc warns about %#p, that invokes undefined behavior
> in ISO C99.

Yes, it's a bug in the standard.

	-hpa

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