Jeff King <> writes:

> Most of us who compile with -Wall decided a while ago to use
> -Wno-format-zero-length, because it really is a silly complaint (it
> assumes there are no side effects of the function besides printing the
> format string, which is obviously not true in this case).
> It would be nice to compile out of the box with "-Wall -Werror", and I
> think your solution looks relatively clean. But I am slightly concerned
> about the assumption that it is OK to pass a NULL fmt parameter to a
> function marked with __attribute__((format)).  It certainly seems to be
> the case now, and I do not know of any plans for that to change, but it
> seems like a potentially obvious thing for the compiler to check.

Yes, exactly.
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