[PATCH 15/36] datatypes: convert virDomainCheckpoint to GObject

[Daniel P. Berrangé]

On Mon, Apr 06, 2020 at 09:50:59AM +0200, Rafael Fonseca wrote:
> On Fri, Apr 3, 2020 at 5:16 PM Rafael Fonseca <r4f4rfs at gmail.com> wrote:
> >
> > +#define VIR_TYPE_DOMAIN_CHECKPOINT vir_domain_checkpoint_get_type()
> > +G_DECLARE_FINAL_TYPE(virDomainCheckpoint,
> > +                     vir_domain_checkpoint,
> > +                     VIR,
> > +                     DOMAIN_CHECKPOINT,
> > +                     GObject);
> > +
> >  extern virClassPtr virAdmConnectClass;
> >
> >  #define VIR_TYPE_ADM_SERVER vir_adm_server_get_type()
> > @@ -327,8 +333,8 @@ G_DECLARE_FINAL_TYPE(virAdmClient, vir_adm_client, VIR, ADM_CLIENT, GObject);
> >
> >  #define virCheckDomainCheckpointReturn(obj, retval) \
> >      do { \
> > -        virDomainCheckpointPtr _check = (obj); \
> > -        if (!virObjectIsClass(_check, virDomainCheckpointClass) || \
> > +        virDomainCheckpointPtr _check = VIR_DOMAIN_CHECKPOINT(obj); \
> > +        if (!G_IS_OBJECT(_check) || !(G_OBJECT_TYPE(_check) == VIR_TYPE_DOMAIN_CHECKPOINT) || \
> 
> I guess `VIR_IS_DOMAIN_CHECKPOINT` created by `G_DECLARE_FINAL_TYPE`
> is enough here for this check?

Yes, we can slim this right now and avoid the casts / intermediate
variable entirely, to just this I think:

   #define virCheckDomainCheckpointReturn(obj, retval) \
      if (!VIR_IS_DOMAIN_CHECKPOINT(obj)) { \
        return retval; \
      }

Regards,
Daniel
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