Messages in this thread | | | Date | Tue, 6 Apr 2004 13:46:41 +0200 (MEST) | From | Geert Uytterhoeven <> | Subject | Re: {put,get}_user() side effects |
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On Tue, 6 Apr 2004, Andi Kleen wrote: > Geert Uytterhoeven <geert@linux-m68k.org> writes: > > On most (all?) architectures {get,put}_user() has side effects: > > > > #define put_user(x,ptr) \ > > __put_user_check((__typeof__(*(ptr)))(x),(ptr),sizeof(*(ptr))) > > Neither typeof not sizeof are supposed to have side effects. If your > compiler generates them that's a compiler bug.
From a simple compile test, you seem to be right... Weird, since it does expand to 3 times 'pIndex++', but pIndex is incremented only once.
Gr{oetje,eeting}s,
Geert
-- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
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