Messages in this thread | | | From | Daniel Phillips <> | Subject | Re: Large block device patch, part 1 of 9 | Date | Tue, 3 Sep 2002 22:02:38 +0200 |
| |
On Tuesday 03 September 2002 21:50, Benjamin LaHaise wrote: > On Tue, Sep 03, 2002 at 09:42:56PM +0200, Daniel Phillips wrote: > > and I expect it will be this time too. It's just a printk! Who cares if it > > wastes a few bytes. It's even conceivable that if we use this idiom heavily > > enough, some gcc boffin will take the time to optimize away the useless > > conversions. > > The issue of casting was never successfully treated by any of the approaches > that were presented, except by Neil's llsect() function. It's shorter than > (long long)sect and has type safety, so let's just use it.
If you must have a clever macro:
#define lli(foo) (long long int) (foo) #define llu(foo) (long long unsigned) (foo)
The %lli/%llu have to be there in the format string (modulo as-yet-uninvented printk hackery) so the cast might as well be there as well.
-- Daniel - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |