[PATCH 2/3] defs: define PRI__[uxs]64 to print __[su]64 values

[Dmitry V. Levin]

On Wed, Mar 30, 2016 at 09:19:26PM -0400, Jeff Mahoney wrote:
[...]
> +/*
> + * The kernel used to define 64-bit types on 64-bit systems on a per-arch
> + * basis.  Some architectures would use unsigned long and others would use
> + * unsigned long long.  These types were exported as part of the
> + * kernel-userspace ABI and now must be maintained forever.  This matches
> + * what the kernel exports for each architecture so we don't need to cast
> + * every printing of __u64 or __s64 to stdint types.
> + */
> +#if BITS_PER_LONG == 32
> +#define PRI__64 "ll"

How portable is BITS_PER_LONG?

> +#elif defined(__mips__) || defined(__powerpc__) || defined(__alpha__) || defined(__ia64__)
> +#define PRI__64 "l"

Is there any simple way to verify this?


-- 
ldv
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