libvirt/tools/virsh-completer-snapshot.c

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/*
* virsh-completer-snapshot.c: virsh completer callbacks related to snapshots
*
* Copyright (C) 2019 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include "virsh-completer-snapshot.h"
#include "viralloc.h"
#include "virsh-util.h"
#include "virsh.h"
#include "virstring.h"
char **
virshSnapshotNameCompleter(vshControl *ctl,
const vshCmd *cmd,
unsigned int flags)
{
virshControl *priv = ctl->privData;
g_autoptr(virshDomain) dom = NULL;
virDomainSnapshotPtr *snapshots = NULL;
int rc;
int nsnapshots = 0;
size_t i = 0;
char **ret = NULL;
g_auto(GStrv) tmp = NULL;
virCheckFlags(0, NULL);
if (!priv->conn || virConnectIsAlive(priv->conn) <= 0)
return NULL;
if (!(dom = virshCommandOptDomain(ctl, cmd, NULL)))
return NULL;
if ((rc = virDomainListAllSnapshots(dom, &snapshots, flags)) < 0)
goto cleanup;
nsnapshots = rc;
tmp = g_new0(char *, nsnapshots + 1);
for (i = 0; i < nsnapshots; i++) {
const char *name = virDomainSnapshotGetName(snapshots[i]);
tmp[i] = g_strdup(name);
}
ret = g_steal_pointer(&tmp);
cleanup:
for (i = 0; i < nsnapshots; i++)
virshDomainSnapshotFree(snapshots[i]);
g_free(snapshots);
return ret;
}