On Sun, May 04, 2014 at 07:01:22PM +0000, brian m. carlson wrote:

> On Sun, May 04, 2014 at 01:12:55AM -0500, Felipe Contreras wrote:
> > This is in gcc 4.9.0:
> > 
> >   wt-status.c: In function ‘wt_status_print_unmerged_header’:
> >   wt-status.c:191:2: warning: zero-length gnu_printf format string 
> > [-Wformat-zero-length]
> >     status_printf_ln(s, c, "");
> >     ^
> > 
> > We could pass -Wno-format-zero-length, but it seems compiler-specific
> > flags are frowned upon, so let's just avoid the warning altogether.
> I believe these warnings existed before GCC 4.9 as well, but I'm not
> opposed to the change.

Yeah, this started last summer when we added __attribute__((format)) to
the status_printf_ln calls, and I posted essentially the same patch.  We
kind of waffled between "eh, just set -Wno-format-zero-length" and doing
something, and ended up at the former. I'd be fine with doing it this
way; we're not likely to add a lot of new callsites that would make it a
hassle to keep up with.

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