[libvirt] [libvirt-glib] Add getter for GVirConfigDomainOS.arch

[Daniel P. Berrange]

On Mon, May 21, 2012 at 07:06:32PM +0300, Zeeshan Ali (Khattak) wrote:
> On Mon, May 21, 2012 at 3:13 PM, Christophe Fergeau <cfergeau at redhat.com> wrote:
> > On Sat, May 19, 2012 at 05:45:31AM +0300, Zeeshan Ali (Khattak) wrote:
> >> From: "Zeeshan Ali (Khattak)" <zeeshanak at gnome.org>
> >>
> >> ---
> >>  libvirt-gconfig/libvirt-gconfig-domain-os.c |    7 +++++++
> >>  libvirt-gconfig/libvirt-gconfig-domain-os.h |    1 +
> >>  libvirt-gconfig/libvirt-gconfig.sym         |    1 +
> >>  3 files changed, 9 insertions(+), 0 deletions(-)
> >>
> >> diff --git a/libvirt-gconfig/libvirt-gconfig-domain-os.c b/libvirt-gconfig/libvirt-gconfig-domain-os.c
> >> index 9a1648a..2e4a69a 100644
> >> --- a/libvirt-gconfig/libvirt-gconfig-domain-os.c
> >> +++ b/libvirt-gconfig/libvirt-gconfig-domain-os.c
> >> @@ -275,6 +275,13 @@ GList *gvir_config_domain_os_get_boot_devices(GVirConfigDomainOs *os)
> >>      return devices;
> >>  }
> >>
> >> +const char *gvir_config_domain_os_get_arch(GVirConfigDomainOs *os)
> >> +{
> >
> > g_return_val_if_fail(GVIR_CONFIG_IS_DOMAIN_OS(os), NULL);
> >
> > ACK with this added. Is it fine to return NULL when no arch is specified,
> > or would it be better to return something else?
> 
> I'm not very sure about returing default values in general since thats
> very much a policy decision and we are not giving any clue to the app
> that we are making the decision for it. Just saying I'm not sure, not
> that I actually have a strong opinion either way.

Returning NULL is the right thing todo IMHO, otherwise as apps read &
update the XML new attributes/elements will unneccessarily get added
to the doc.

Daniel
-- 
|: http://berrange.com      -o-    http://www.flickr.com/photos/dberrange/ :|
|: http://libvirt.org              -o-             http://virt-manager.org :|
|: http://autobuild.org       -o-         http://search.cpan.org/~danberr/ :|
|: http://entangle-photo.org       -o-       http://live.gnome.org/gtk-vnc :|