On Thu, Oct 29, 2020 at 02:19:27PM +0000, David Laight wrote:
> From: Andrew Lunn
> > Sent: 28 October 2020 00:23
> >
> > net/rose/af_rose.c: In function ‘rose_info_show’:
> > net/rose/af_rose.c:1413:20: warning: trigraph ??- ignored, use -trigraphs
> > to enable [-Wtrigraphs]
> > 1413 | callsign = "??????-?";
> >
> > ??- is a trigraph, and should be replaced by a ˜ by the
> > compiler. However, trigraphs are being ignored in the build. Fix the
> > warning by escaping the ?? prefix of a trigraph.
> >
> > Signed-off-by: Andrew Lunn <and...@lunn.ch>
> > ---
> > net/rose/af_rose.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
> > index cf7d974e0f61..2c297834d268 100644
> > --- a/net/rose/af_rose.c
> > +++ b/net/rose/af_rose.c
> > @@ -1410,7 +1410,7 @@ static int rose_info_show(struct seq_file *seq, void
> > *v)
> > ax2asc(buf, &rose->dest_call));
> >
> > if (ax25cmp(&rose->source_call, &null_ax25_address) == 0)
> > - callsign = "??????-?";
> > + callsign = "????\?\?-?";
>
> I think I'd just split the string, eg: "?????" "-?".
Humm. I think we need a language lawyer.
Does it concatenate the strings and then evaluate for trigraphs? Or
does it evaluate for trigraphs, and then concatenate the strings?
Andrew
