On Wed, Oct 30, 2013 at 01:40:27AM +0100, Peter Huewe wrote: > strcmp does return the difference between two strings not only -1,0,1 > consequently > if (strcmp (a,b) == -1) > might lead to taking the wrong branch > > -> compare with <= instead.
I've always thought this was the preferred idiom: cmp(a,b) == 0 cmp(a,b) < 0 cmp(a,b) > 0 As the operator matches what is actually happening in all cases. '>= -1' doesn't mean a >= b. Regards, Jason -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
