[libvirt] [PATCH 4/5] openvz: Implement domainGetHostname
Eric Blake
eblake at redhat.com
Tue Jul 10 21:13:03 UTC 2012
On 07/10/2012 02:46 PM, Guido Günther wrote:
> If the container doesn't have the hostname parameter set an empty string
> ("") is returned.
I'd almost rather return NULL and an error code (either invent a new
error, or maybe reuse VIR_ERR_OPERATION_FAILED) than an empty string if
we fail to get the information.
> +static char* openvzDomainGetHostname(virDomainPtr dom, unsigned int flags)
> +{
> + char *hostname = NULL;
> +
> + virCheckFlags(0, NULL);
> +
> + hostname = openvzVEGetStringParam(dom, "hostname");
> + if (hostname == NULL)
> + goto cleanup;
> +
> + /* vzlist prints an unset hostname as '-' */
> + if (strlen(hostname) == 1 && hostname[0] == '-') {
More efficient to write:
if (STREQ(hostname, "-")) {
> @@ -2127,6 +2154,7 @@ static virDriver openvzDriver = {
> .domainIsUpdated = openvzDomainIsUpdated, /* 0.8.6 */
> .isAlive = openvzIsAlive, /* 0.9.8 */
> .domainUpdateDeviceFlags = openvzDomainUpdateDeviceFlags, /* 0.9.13 */
> + .domainGetHostname = openvzDomainGetHostname, /* 0.9.14 */
Again, a global version cleanup would fix this to 0.10.0.
--
Eric Blake eblake at redhat.com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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