Re: void* arithmnetic

From: Geert Uytterhoeven
Date: Fri Nov 30 2007 - 06:38:29 EST


On Thu, 29 Nov 2007, WANG Cong wrote:
> On Thu, Nov 29, 2007 at 09:38:46AM +0200, Benny Halevy wrote:
> >On Nov. 29, 2007, 3:19 +0200, "Ming Lei" <tom.leiming@xxxxxxxxx> wrote:
> >> 2007/11/29, Jan Engelhardt <jengelh@xxxxxxxxxxxxxxx>:
> >>> On Nov 29 2007 01:05, J.A. MagallÃn wrote:
> >>>> Since begin of the ages the build of the nvidia driver says things like
> >>>> this:
> >>>>
> >>> Explicitly adding -Wpointer-arith to ones own Makefile is like
> >>> admitting the code might be problematic. :->
> >>>
> >>>
> >>> I think sizeof(void *) == 1 is taken as granted as sizeof(int) >= 4
> >>> these days. Sigh.
> >> sizeof(void *) == 4, sizeof(void)==1, :)
> >well, sizeof(void *) == sizeof(unsigned long) maybe :)
>
> I *heard* that on Win64 sizeof(void *) > sizeof(long). But it's off-topic
> here. ;-)

Yes, Win64 is P64, to make sure it's incompatible with the rest of the
world.

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds