On Sun, Mar 12, 2017 at 12:04 AM, Dibyendu Majumdar <mobile@xxxxxxxxxxxxxxx> wrote: > On 11 March 2017 at 23:02, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote: >> On Sat, Mar 11, 2017 at 2:57 PM, Dibyendu Majumdar >> <mobile@xxxxxxxxxxxxxxx> wrote: >>> >>> Why the division? That seems incorrect to me. >> >> Pointer differences are not byte differences, but index differences. >> So with an "int *" you need to divide the difference by 4 (you don't >> see the subtraction, since subtracting NULL ends up being a no-op). >> > > Okay that makes sense. Yes, as Linus explained. In fact I made the test cases to create this as I suspected some difficulties there since it's the kind of operation that by its nature mix different types. -- Luc -- 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
