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.

The Makefile rule would probably do the job in this case, but for a more 
generic use case we probably need some sort of a pre-checkin build sanitizer. 
For e.g. how will we prevent unix system calls from being introduced (assuming 
no WIN32 handling)?
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