On Thursday, March 22, 2012 17:31:33 Javier Cardona wrote: > >> #define SN_GT(x, y) ((long) (y) - (long) (x) < 0) > >> #define SN_LT(x, y) ((long) (x) - (long) (y) < 0) > > > > Your macros tried to address the problem but casting your sequence number > > to long also breaks the wrap around. > > Ah, thanks for your help. I guess we do need those macros after all > but they'd have to be re-written as > > #define SN_LT(x, y) ((s32)(x - y) < 0) > #define SN_GT(x, y) ((s32)(x - y) > 0) No, you need unsigned values for this arithmetic to work (which is why long also fails). > And since this is just to handle wrap arounds, there is no need for > the new SN_EQ that was suggested earlier. Sounds reasonable to me. Regards, Marek -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
