* Bart Van Assche <bart.vanassche@xxxxxxxxx> wrote: > If someone writes (!x & !y) instead of (!x && !y) because both x and y > have to be evaluated, this means that both x and y have side effects. > Please keep in mind that the C language does not specify whether x or > y has to be evaluated first, so if x and y have to be evaluated in > that order, an expression like (!x & !y) can be the cause of very > subtle bugs. I prefer readability above brevity. such expressions _must_ be written as: ret1 = x(); ret2 = y(); if (ret1 && ret2) ... any side-effects are totally un-obvious when they are in expressions and someone doing cleanups later on could easily change the '&' to '&&' and introduce a bug. Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-sparse" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
