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virsh: snapshot: move variables inside the loop

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Use g_auto to free them, instead of open-coding it.

Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
This commit is contained in:
Ján Tomko 2021-08-10 19:20:30 +02:00
parent 7f1c6736fa
commit 56bb594532
1 changed files with 5 additions and 18 deletions
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23
tools/virsh-snapshot.c
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@ -1490,11 +1490,7 @@ cmdSnapshotList(vshControl *ctl, const vshCmd *cmd)
bool ret = false;
unsigned int flags = 0;
size_t i;
xmlDocPtr xml = NULL;
xmlXPathContextPtr ctxt = NULL;
char *doc = NULL;
virDomainSnapshotPtr snapshot = NULL;
char *state = NULL;
long long creation_longlong;
g_autoptr(GDateTime) then = NULL;
bool tree = vshCommandOptBool(cmd, "tree");
@ -1504,7 +1500,6 @@ cmdSnapshotList(vshControl *ctl, const vshCmd *cmd)
bool roots = vshCommandOptBool(cmd, "roots");
bool current = vshCommandOptBool(cmd, "current");
const char *from_snap = NULL;
char *parent_snap = NULL;
virDomainSnapshotPtr start = NULL;
struct virshSnapshotList *snaplist = NULL;
vshTable *table = NULL;
@ -1592,15 +1587,13 @@ cmdSnapshotList(vshControl *ctl, const vshCmd *cmd)
for (i = 0; i < snaplist->nsnaps; i++) {
g_autofree gchar *thenstr = NULL;
g_autoptr(xmlDoc) xml = NULL;
g_autoptr(xmlXPathContext) ctxt = NULL;
g_autofree char *parent_snap = NULL;
g_autofree char *state = NULL;
g_autofree char *doc = NULL;
const char *snap_name;
/* free up memory from previous iterations of the loop */
VIR_FREE(parent_snap);
VIR_FREE(state);
xmlXPathFreeContext(ctxt);
xmlFreeDoc(xml);
VIR_FREE(doc);
snapshot = snaplist->snaps[i].snap;
snap_name = virDomainSnapshotGetName(snapshot);
assert(snap_name);
@ -1648,14 +1641,8 @@ cmdSnapshotList(vshControl *ctl, const vshCmd *cmd)
ret = true;
cleanup:
/* this frees up memory from the last iteration of the loop */
virshSnapshotListFree(snaplist);
VIR_FREE(parent_snap);
VIR_FREE(state);
virshDomainSnapshotFree(start);
xmlXPathFreeContext(ctxt);
xmlFreeDoc(xml);
VIR_FREE(doc);
virshDomainFree(dom);
vshTableFree(table);