Re: Conversion to generic boolean

From: Pavel Machek
Date: Mon Sep 04 2006 - 08:31:23 EST


Hi!

> > I like it for the annotation we get.
> >
> > int fluff;
> > if(fluff == 0)
> >
> > This does not tell if fluff is an integer or a boolean (that is, what the
> > programmer intended to do -- not the 'int' the compiler sees).
> > If it had been if(!fluff), it would give a hint, but a lot of places also have
> > !x where x really is intended to be an integer (and should have been x==0 or
> > y==NULL resp.)
> >
>
> Bool would not help much either unless declaration is immediately follows
> use. I like Alan Sterns proposal ofencode return value in function name
> better - actions should always return < 0/0 and predicates should always
> be boolean equivalent.

Sounds very reasonable. Even today, 90% of code follows that
convention. Perhaps adding it to codingstyle would help?

--
Thanks for all the (sleeping) penguins.

--
VGER BF report: H 0.254977
-
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/