int64_t and printf

[Sean C. Farley]

On Sun, 5 Jun 2011, Ben Laurie wrote:

> So, for example int64_t has no printf modifier I am aware of. Likewise 
> its many friends.
>
> In the past I've handled this by having a define somewhere along the 
> lines of...
>
> #if <something>
> # define INT_64_T_FMT "%ld"
> #else
> # define INT_64_T_FMT "%lld"
> #endif
>
> but I have no idea where to put such a thing in FreeBSD. Opinions? 
> Also, I guess I'd really need to do a modifier rather than a format, 
> for full generality.

You need to include inttypes.h, which includes machine/_inttypes.h. 
This will provide the appropriate macro which in this case is PRId64.

Sean
-- 
scf at FreeBSD.org