On Tue, Nov 19, 2013 at 02:16:43PM -0800, Ethan Jackson wrote: > Ben's the authority on this, but FWIW a macro sounds fine to me. > We've already got PRI_U32 etc, adding a PRI_ZU seems reasonable. I don't object to that, I just want to make sure that there's some Makefile rule to blacklist %zu so that new uses don't get introduced.