[libvirt] [PATCHv3 5/6] virsh: Add vshSuspendTargetCompleter
Tomas Meszaros
exo at tty.sk
Wed Aug 28 17:19:05 UTC 2013
On 26/08/13 at 02:43pm, Eric Blake wrote:
> On 08/26/2013 06:36 AM, Tomas Meszaros wrote:
> > vshSuspendTargetCompleter returns targets available for suspend.
> >
> > This completer can be used for the command option completion
> > (for dompmsuspend, etc.).
> >
> > virsh> dompmsuspend --target <TAB>
> > mem disk hybrid
> > virsh> dompmsuspend --target h<TAB>
> > virsh> dompmsuspend --target hybrid
> > ---
> > v2
> > * label cleanup renamed to error
> > * vshSuspendTargetCompleter added to opts_dom_pm_suspend
> >
> > v3
> > * removed useless if
> > * used virStringFreeList() instead of iteration
> >
> > tools/virsh-domain.c | 3 ++-
> > tools/virsh.c | 23 +++++++++++++++++++++++
> > tools/virsh.h | 1 +
> > 3 files changed, 26 insertions(+), 1 deletion(-)
>
> This patch looks pretty decent, especially since it is installed as a
> per-option handler.
>
> >
> > +char **
> > +vshSuspendTargetCompleter(unsigned int unused_flags ATTRIBUTE_UNUSED)
> > +{
> > + const char *targets[] = {"mem", "disk", "hybrid"};
> > + const unsigned int targets_size = ARRAY_CARDINALITY(targets);
> > + char **names = NULL;
> > + size_t i;
> > +
> > + names = vshMalloc(NULL, sizeof(char *) * (targets_size + 1));
> > +
> > + for (i = 0; i < targets_size; i++) {
> > + if (VIR_STRDUP(names[i], targets[i]) < 0)
> > + goto error;
> > + }
> > +
> > + names[i] = NULL;
> > + return names;
>
> Call me a hacker, but what's wrong with this equivalent implementation
> done by reusing existing code:
>
> char **
> vshSuspendTargetCompleter(unsigned int ignored ATTRIBUTE_UNUSED)
> {
> return virStringSplit("mem disk hybrid", " ", 0);
> }
Yeah, this is much better. I will definitely use this.
--
Tomas Meszaros
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