Re: [PATCH 1/2] Add C99-style constructor macros for specific-sized integers

From: Al Viro
Date: Mon Mar 03 2008 - 01:21:40 EST


On Sun, Mar 02, 2008 at 08:43:22PM -0800, H. Peter Anvin wrote:
> >>+#define S64_C(x) x ## LL
> >>+#define U64_C(x) x ## ULL
> >
> >but can't we use the latter for all arches?
> >
>
> You really don't want to, as the whole point is that you want it to
> match what u64/s64 is defined as, in order to avoid spurious warnings.

Excuse me, in which contexts? Where does replacement of explicitly long
constant with explicitly long long one generate warnings on a host that has
range(long) equal to range(long long)?
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