On 5/26/07, H. Peter Anvin <[email protected]> wrote:
Satyam Sharma wrote:
>
> But __attribute__((noreturn)) is simply a _function attribute_. Of course,
> it is legal / valid only for functions with return-type void, so it does
> make
> sense to combine both void and __attribute__((noreturn)) in the same
> macro like you say. But that's not syntactically necessary. In fact,
> grepping through the sources, a lot of people do prefer to place the
> attribute _after_ the function declarator.
>
> Anyway, I'm fine either way.
>
Sorry to say, but weren't you the person who didn't recognize !! as the
idiomatic booleanizing operator?
Yes, of course, please prove a link / connection between that and this?
I think you need to learn that everything that the compiler accepts
isn't necessarily idiomatic, readable code. Consider
__attribute__((noreturn)); it's a nonstandard feature implemented using
a generic gcc mechanism -- thus what the compiler will accept is quite
flexible, because it's a generic building block. It doesn't mean it's a
good idea.
The reason it's often written at the end of the expression mostly has to
do with bugs in some very early versions of gcc.
That might be, but I was only saying that there is no syntactical
*compulsion* to combine the attribute with the return type. As for what's
readable, it is subjective. And as for what's common / standard / idiomatic
in the kernel code as of today, nothing beats a grep. Anyway, as I said
previously, I'm fine with either way.
Satyam
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