[libvirt] PATCH: Pass -name argument to QEMU

[Daniel P. Berrange]

On Thu, May 15, 2008 at 10:36:18AM -0400, Daniel Veillard wrote:
> On Tue, May 13, 2008 at 12:21:02AM +0100, Daniel P. Berrange wrote:
> > This patch makes libvirt pass the -name argumet to QEMU it if it supported
> > by the QEMU binary in question. THis allows QEMU to set the VNC title and
> > allows Xenner to set the Xen guest name in xenstore.
> 
> 
>   Fine by me, +1
> 
> > @@ -2348,6 +2350,7 @@
> >      len = 1 + /* qemu */
> >          2 + /* machine type */
> >          disableKQEMU + /* Disable kqemu */
> > +        (vm->qemuCmdFlags & QEMUD_CMD_FLAG_NAME ? 2 : 0) + /* -name XXX */
> >          2 * vm->def->ndisks + /* disks*/
> >          (vm->def->nnets > 0 ? (4 * vm->def->nnets) : 2) + /* networks */
> >          1 + /* usb */
> > @@ -2394,6 +2397,12 @@
> 
>   I just start to find that arg length computation a bit long and messy.
> As we add the args maybe it's time to do that a bit more dynamically, no ?

Yes it is getting a little messy. Its probably worth dynamically expanding
the array as we add each arg. If we define a simple macro to handle the 
realloc of argv, and the strdup of the actual arg in one go, it should make
the code fairly clear.

Dan.
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