[libvirt] [PATCHv2 4/6] util: add new file for virTypedParameter utils
Daniel P. Berrange
berrange at redhat.com
Thu Jan 19 21:12:40 UTC 2012
On Thu, Jan 19, 2012 at 01:16:01PM -0700, Eric Blake wrote:
> On 01/19/2012 12:01 PM, Daniel P. Berrange wrote:
> >> +
> >> +VIR_ENUM_DECL(virTypedParameter)
> >> +VIR_ENUM_IMPL(virTypedParameter, VIR_TYPED_PARAM_STRING + 1,
> >
> > I'm slowly coming to the view that we should juust add "_LAST" to
> > every single one of our public enums.
> >
> > But perhaps have them disabled by default, unless the app developer
> > does
> >
> > #define LIBVIRT_ENUM_SENTINALS
> >
> > before including libvirt.h, so they make a concious decision to use a
> > enum value known to change.
>
> Sounds like an interesting idea, but I'll save it for a followup.
Sure, no problem.
> Would it be acceptable to protect existing _LAST values when adding all
> the new ones, or must we keep those unconditionally defined to avoid
> breaking compilation of anyone that was using them?
I think we could get away with protecting existing ones too, since
apps can easily just add the #define, even when building with older
libvirt and it'll be harmless
Daniel
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