David Laight <david@l8s.co.uk> writes:

> > Well, if we are really set to go C99/POSIX-2001 here, I think it would
> > be preferable not to have a 64-bit assumption but cast to intmax_t and
> > format using either %jd or PRIdMAX.
> 
> No - you need to use a format appropriate for the type.
> If the type is explicilty [u]int64_t you want PRId64, no
> point passing a 128 bit integer.....

While that's true, off_t is type which is not explicitly [u]int64_t.
In addition, [u]intmax_t and related utilities are required in
C99/POSIX-2001 while [u]int64_t are optional.

BTW, we do not currently have [u]intmax_t wider than 64 bits.

> Is there a PRIdsize and PRIdssize ???

No, only %z and modifiers.


- Klaus