Re: RFC: booleans and the kernel
Timothy Covell (timothy.covell@ashavan.org)
Fri, 25 Jan 2002 16:47:50 -0600
On Thursday 24 January 2002 16:33, Xavier Bestel wrote:
> le ven 25-01-2002 à 22:24, Timothy Covell a écrit :
> > On Thursday 24 January 2002 14:39, Oliver Xymoron wrote:
> > > The compiler _will_ turn if(a==0) into a test of a with itself rather
> > > than a comparison against a constant. Since PDP days, no doubt.
> >
> > I thought that the whole point of booleans was to stop silly errors
> > like
> >
> > if ( x = 1 )
> > {
> > printf ("\nX is true\n");
> > }
> > else
> > {
> > // we never get here...
> > }
>
> gcc already warns you about such errors.
>
> Xav
That's funny, I compiled it with "gcc -Wall foo.c" and got no
warnings. Please show me what I'm doing wrong and how
it's _my_ mistake and not the compilers.
--
timothy.covell@ashavan.org.
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