Ian Campbell writes ("Re: [Xen-devel] libxl: Is the nic param to
libxl_network_device_add an (in)_out parameter?"):
> On Tue, 2014-11-18 at 15:28 +0000, Euan Harris wrote:
> > If I call libxl_device_nic_add and pass in a mostly-default
> > libxl_device_nic structure, the function fills in the unspecified default
> > config fields with data for the NIC which it has just created:
...
> > Is this behaviour an intentional part of the API which I can rely on,
> > or just an artefact of the current implementation? In other words, is
> > nic meant to be an (in)_out parameter?
Yes.
> I believe so, yes. The comment under "Devices" in libxl.h probably ought
> to be adjusted to say so explicitly.
>
> Ian (J) -- do you agree?
I do. I think this applies to other kinds of device too, which might
have unspecified parameters which get filled in.
Euan, would you like to send us a doc patch for libxl.h ?
Ian.
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