Re: Large block device patch, part 1 of 9

H. Peter Anvin (hpa@zytor.com)
2 Dec 2002 16:03:44 -0800


Followup to: <Pine.LNX.4.44.0209030900410.1997-100000@home.transmeta.com>
By author: Linus Torvalds <torvalds@transmeta.com>
In newsgroup: linux.dev.kernel
>
> I wonder if the right answer isn't to just make things like "__u64" be
> "long long" even on 64-bit architectures (at least those on which it is 64
> bit, of course. I _think_ that's true of all of them). And then just use
> "llu" for it all.
>
> Of course, the really _best_ option would be to have gcc's printf string
> format be extensible and dynamic.
>
> Davem, is sparc64 "long long" 64-bit?
>

Some C libraries have "Ixx" as an extension meaning (u)intXX_t -- it's
used in the same way as the other size modifiers, i.e. %I64x instead
of %lx. This might be a useful extension to mimic.

-hpa

-- 
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
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