Re: RFC: Fix various problems with "printf" and warnings

Daniel Jacobowitz
2006-01-22T02:36:05Z

On Sun, Jan 22, 2006 at 02:22:09AM +0100, Andreas Schwab wrote:
> Daniel Jacobowitz <drow@false.org> writes:
>
> > + case 'o':
> > + case 'x':
> > + case 'X':
> > + if (seen_space || seen_plus)
> > + bad = 1;
>
> I don't think this should be rejected. I've got only the C99 spec, but I
> don't think that C89 is different here in that space and plus are ignored
> for unsigned and non-numeric conversions.

That's what I figured too, but on the other hand, GCC warns about them:

drow@nevyn:~% gcc -Wformat -o a a.c
a.c: In function 'main':
a.c:7: warning: ' ' flag used with '%o' printf format