Re: {put,get}_user() side effects

[Xavier Bestel]

On Tue, 2004-04-06 at 08:30 -0700, Kevin P. Fleming wrote:
> Xavier Bestel wrote:
> 
> > Sorry, I read too fast. I didn't know sizeof could avoid side effects.
> > 
> 
> Both typeof and sizeof are compile-time constructs, so there is no 
> opportunity for any expression side effects to occur. Presumably one 
> could do:
> 
> typeof(1/0UL)
> 
> without ever causing the obvious side effect either (granted, this is a 
> pointless piece of code :-)).

Yeah, now that you tell it, it seems obvious when you consider macros
like min/max and friends which rely on typeof to avoid side-effects.


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/