Re: [PATCH 04/18] Reuse VD_AGENT_HAS_CAPABILITY macro for bit array

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On Mon, 2016-09-26 at 05:18 -0400, Frediano Ziglio wrote:
> > 
> > Hi,
> > 
> > does it make a sense to keep the function (or is it to avoid the
> > header inclusion)? What about using the macro directly ?
> > 
> > Pavel
> > 
> 
> 
> The macro could be misleading as it refers to the agent.
> Also macro could have side effects and usually are less type safe..
ok
> 
> But a simple inline function as
> 
> static inline gboolean test_capability(const uint32_t *caps, int
> num_caps, uint32_t cap)
> {
>     return VD_AGENT_HAS_CAPABILITY(caps, num_caps, cap);
> }
> 
looks good

> could work too. I don't think header inclusion is a bit problem in
> red-channel.h.
> 
> Frediano

Thanks,
Pavel
> 
> > On Mon, 2016-09-26 at 09:12 +0100, Frediano Ziglio wrote:
> > > Signed-off-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
> > > ---
> > >  server/red-channel.c | 7 +------
> > >  1 file changed, 1 insertion(+), 6 deletions(-)
> > > 
> > > diff --git a/server/red-channel.c b/server/red-channel.c
> > > index 927e6e9..27c8632 100644
> > > --- a/server/red-channel.c
> > > +++ b/server/red-channel.c
> > > @@ -331,12 +331,7 @@ void
> > > red_channel_register_client_cbs(RedChannel
> > > *channel, const ClientCbs *clien
> > >  
> > >  int test_capability(const uint32_t *caps, int num_caps,
> > > uint32_t
> > > cap)
> > >  {
> > > -    uint32_t index = cap / 32;
> > > -    if (num_caps < index + 1) {
> > > -        return FALSE;
> > > -    }
> > > -
> > > -    return (caps[index] & (1 << (cap % 32))) != 0;
> > > +    return VD_AGENT_HAS_CAPABILITY(caps, num_caps, cap);
> > >  }
> > >  
> > >  static void add_capability(uint32_t **caps, int *num_caps,
> > > uint32_t
> > > cap)
> > > 
> > 
> > 
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