On 30 May 2007 18:05, Andreas Schwab wrote: > Lothar Werzinger writes: > >> Eyal Lebedinsky wrote: >> >>> I see two kinds of warnings: >>> warning: logical '||' with non-zero constant will always evaluate as true >>> warning: logical '&&' with non-zero constant will always evaluate as true >>> >>> The first statement is true, the second false. It can say (if the case is >>> such) warning: logical '&&' with zero constant will always evaluate as >>> false and even warn of warning: logical '&&' with non-zero constant will >>> have no effect >> >> That depends, if the non-zero constant is the LHS of the && operator the >> warning is IMHO correct. > > 1 && 0 is still 0.
But the 0 will never be evaluated. It's more significant in a case such as "<const> && <function call>". cheers, DaveK -- Can't think of a witty .sigline today....