From: Heiko Voigt Date: Wed, 07 May 2014 20:05:42 GMT Subject: Re: Re: [PATCH 3/3] Silence a bunch of format-zero-length warnings Message-ID: <20140507200542.GC4013@sandbox-ub> In-Reply-To: On Wed, May 07, 2014 at 11:19:09AM -0700, Junio C Hamano wrote: > Jeff King writes: > > > 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. > > OK, so I'll take it as your Ack ;-) What happened to this patch? These warnings are still annoying me on my Ubuntu 14.04. Cheers Heiko