[libvirt] [PATCH v1 04/32] util: macaddr: define cleanup function using VIR_DEFINE_AUTOPTR_FUNC

[Erik Skultety]

On Fri, Aug 03, 2018 at 09:30:22AM +0200, Erik Skultety wrote:
> On Sat, Jul 28, 2018 at 11:31:19PM +0530, Sukrit Bhatnagar wrote:
> > Using the new VIR_DEFINE_AUTOPTR_FUNC macro defined in
> > src/util/viralloc.h, define a new wrapper around an existing
> > cleanup function which will be called when a variable declared
> > with VIR_AUTOPTR macro goes out of scope. Also, drop the redundant
> > viralloc.h include, since that has moved from the source module into
> > the header.
> >
> > When a variable of type virMacAddrPtr is declared using VIR_AUTOPTR,
> > the function virMacAddrFree will be run automatically on it when it
> > goes out of scope.
> >
> > Signed-off-by: Sukrit Bhatnagar <skrtbhtngr at gmail.com>
> > ---
> >  src/util/virmacaddr.c | 6 ++++++
> >  src/util/virmacaddr.h | 4 ++++
> >  2 files changed, 10 insertions(+)
> >
> > diff --git a/src/util/virmacaddr.c b/src/util/virmacaddr.c
> > index 7afe032..e739775 100644
> > --- a/src/util/virmacaddr.c
> > +++ b/src/util/virmacaddr.c
> > @@ -252,3 +252,9 @@ virMacAddrIsBroadcastRaw(const unsigned char s[VIR_MAC_BUFLEN])
> >  {
> >      return memcmp(virMacAddrBroadcastAddrRaw, s, sizeof(*s)) == 0;
> >  }
> > +
> > +void
> > +virMacAddrFree(virMacAddrPtr addr)
> > +{
> > +    VIR_FREE(addr);
> > +}
>
> I understand the reason behind this change, however, I don't feel like this
> will bring any benefits only because we said that VIR_AUTOFREE should be used
> with scalar types only, I'd prefer simply using VIR_AUTOFREE here, CC'ng Pavel
> to share his opinion.
>
> Erik

+Pavel