Hi Peff,
On Tue, 24 Jan 2017, Jeff King wrote:
> On Tue, Jan 24, 2017 at 01:52:13PM -0800, Junio C Hamano wrote:
>
> > > I dunno. As ugly as the "%s" thing is in the source, at least it
> > > doesn't change the output. Not that an extra space is the end of the
> > > world, but it seems like it's letting the problem escape from the
> > > source code.
> > >
> > > Do people still care about resolving this? -Wno-format-zero-length
> > > is in the DEVELOPER options. It wasn't clear to me if that was
> > > sufficient, or if we're going to get a bunch of reports from people
> > > that need to be directed to the right compiler options.
> >
> > I view both as ugly, but probably "%s", "" is lessor of the two evils.
> >
> > Perhaps
> >
> > #define JUST_SHOW_EMPTY_LINE "%s", ""
> >
> > ...
> > warning(JUST_SHOW_EMPTY_LINE);
> > ...
> >
> > or something silly like that?
>
> Gross, but at least it's self documenting. :)
>
> I guess a less horrible version of that is:
>
> static inline warning_blank_line(void)
> {
> warning("%s", "");
> }
>
> We'd potentially need a matching one for error(), but at last it avoids
> macro trickery.
I fail to see how this function, or this definition, makes the code better
than simply calling `warning("%s", "");` and be done with it.
Ciao,
Johannes