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virsh-snapshot: Refactor cmdSnapshotDumpXML

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This patch simplifies error paths and switches to use
vshCommandOptStringReq for argument retrieval in cmdSnapshotDumpXML
This commit is contained in:
Peter Krempa 2013-01-21 17:54:17 +01:00
parent e9dc07393a
commit 351f7a2f2c
1 changed files with 9 additions and 14 deletions
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23
tools/virsh-snapshot.c
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@ -1775,31 +1775,26 @@ cmdSnapshotDumpXML(vshControl *ctl, const vshCmd *cmd)
if (vshCommandOptBool(cmd, "security-info"))
flags |= VIR_DOMAIN_XML_SECURE;
dom = vshCommandOptDomain(ctl, cmd, NULL);
if (dom == NULL)
if (vshCommandOptStringReq(ctl, cmd, "snapshotname", &name) < 0)
return false;
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
return false;
if (!(snapshot = virDomainSnapshotLookupByName(dom, name, 0)))
goto cleanup;
if (vshCommandOptString(cmd, "snapshotname", &name) <= 0)
goto cleanup;
snapshot = virDomainSnapshotLookupByName(dom, name, 0);
if (snapshot == NULL)
goto cleanup;
xml = virDomainSnapshotGetXMLDesc(snapshot, flags);
if (!xml)
if (!(xml = virDomainSnapshotGetXMLDesc(snapshot, flags)))
goto cleanup;
vshPrint(ctl, "%s", xml);
ret = true;
cleanup:
VIR_FREE(xml);
if (snapshot)
virDomainSnapshotFree(snapshot);
if (dom)
virDomainFree(dom);
virDomainFree(dom);
return ret;
}