On Thursday 27 June 2013 11:31:48 Ville Syrjälä wrote:
> On Thu, Jun 27, 2013 at 10:10:43AM +0200, Laurent Pinchart wrote:
> > On Monday 24 June 2013 18:08:37 Ville Syrjälä wrote:
> > > On Fri, Jun 14, 2013 at 11:34:42PM +0200, Laurent Pinchart wrote:
> > > > The -w parameter can be used to set a property value from the command
> > > > line, using the target object ID and the property name.
> > > >
> > > > Signed-off-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
> > > > ---
> > > >
> > > > tests/modetest/modetest.c | 108 ++++++++++++++++++++++++++++++++++++-
> > > > 1 file changed, 106 insertions(+), 2 deletions(-)
> > > >
> > > > diff --git a/tests/modetest/modetest.c b/tests/modetest/modetest.c
> > > > index 778af62..858d480 100644
> > > > --- a/tests/modetest/modetest.c
> > > > +++ b/tests/modetest/modetest.c
> > >
> > > <snip>
> > >
> > > > @@ -1008,9 +1082,20 @@ static int parse_plane(struct plane_arg *p,
> > > > const char *arg)
> > > > return 0;
> > > > }
> > > >
> > > > +static int parse_property(struct property_arg *p, const char *arg)
> > > > +{
> > > > + if (sscanf(arg, "%d:%32[^:]:%" SCNu64, &p->obj_id, p->name, &p-
> > >
> > >value)
> > >
> > > > != 3)
> > >
> > > nit: could use stringification to get rid of the magic number 32 here.
> >
> > What do you mean exactly ?
>
> Something like this:
>
> #define str(x) #x
> #define xstr(x) str(x)
> sscanf(arg, "%d:%" xstr(DRM_PROP_NAME_LEN) "[^:]:%" SCNu64, ...
>
> Although it does make it a bit hard to parse for a human.
Right. I'm fine with both. "%m[^:]" might be an interesting alternative
option.
--
Regards,
Laurent Pinchart
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