Bernd Schmidt <bernds@redhat.co.uk> said:
> On Tue, 17 Oct 2000, Richard Guenther wrote:
> > On Tue, 17 Oct 2000, Bernd Schmidt wrote:
> > > On Tue, 17 Oct 2000, Richard Guenther wrote:
> > > > The following one is wrong, tho - should be rather
> > > > str[i] = dn[i]; i++;
> > >
> > > Nope. (Well, at least you need to add extra braces.) The comma is a
> > > sequence point.
> > Umm, I thought, dn[i], i++ evaluates to i and dn[i++] evaluates
> > to dn[i], so it should be either i++, dn[i-1] or the one I showed
> > above?
> According to operator precedence rules,
> str[i] = dn[i], i++;
> is equivalent to
> (str[i] = dn[i]), i++;
> Comma has the lowest precedence of all C operators.
If knowledgeable C users have doubts on the code's meaning, *rewrite
it*. This is just misunderstandings (and bugs) waiting for the unwary.
-- Dr. Horst H. von Brand mailto:vonbrand@inf.utfsm.cl Departamento de Informatica Fono: +56 32 654431 Universidad Tecnica Federico Santa Maria +56 32 654239 Casilla 110-V, Valparaiso, Chile Fax: +56 32 797513 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Mon Oct 23 2000 - 21:00:11 EST