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[libvirt] [libvirt-glib] [PATCH 1/4] GVirDomainSnapshot: Add _is_current



From: Timm Bäder <mail baedert org>

Add a way to determine if the given GVirDomainSnapshot is the current
snapshot of its GVirDomain.
---
 libvirt-gobject/libvirt-gobject-domain-snapshot.c | 29 +++++++++++++++++++++++
 libvirt-gobject/libvirt-gobject-domain-snapshot.h |  3 +++
 libvirt-gobject/libvirt-gobject.sym               |  1 +
 3 files changed, 33 insertions(+)

diff --git a/libvirt-gobject/libvirt-gobject-domain-snapshot.c b/libvirt-gobject/libvirt-gobject-domain-snapshot.c
index 7bb89f1..69b6e5a 100644
--- a/libvirt-gobject/libvirt-gobject-domain-snapshot.c
+++ b/libvirt-gobject/libvirt-gobject-domain-snapshot.c
@@ -235,3 +235,32 @@ gboolean gvir_domain_snapshot_delete (GVirDomainSnapshot *snapshot,
     }
     return TRUE;
 }
+
+
+/**
+ * gvir_domain_snapshot_is_current:
+ * @snapshot: The domain snapshot
+ * @flags: Currently unused, pass 0
+ * @error: (allow-none): Place-holder for error or NULL
+ *
+ * Returns: TRUE if the given snapshot is the current snapshot
+ * of its domain or FALSE if it is not or an error occurs.
+ */
+gboolean gvir_domain_snapshot_is_current(GVirDomainSnapshot *snapshot,
+                                         guint flags,
+                                         GError **error) {
+    gint status;
+
+    g_return_val_if_fail(GVIR_IS_DOMAIN_SNAPSHOT(snapshot), FALSE);
+    g_return_val_if_fail(error == NULL || *error == NULL, FALSE);
+
+    status = virDomainSnapshotIsCurrent(snapshot->priv->handle, flags);
+    if (status == -1) {
+        gvir_set_error(error, GVIR_DOMAIN_SNAPSHOT_ERROR, 0,
+                       "Could not determine if `%s' is the current snapshot",
+                       gvir_domain_snapshot_get_name(snapshot));
+        return FALSE;
+    }
+
+    return status;
+}
diff --git a/libvirt-gobject/libvirt-gobject-domain-snapshot.h b/libvirt-gobject/libvirt-gobject-domain-snapshot.h
index b3ebe7f..bf697b3 100644
--- a/libvirt-gobject/libvirt-gobject-domain-snapshot.h
+++ b/libvirt-gobject/libvirt-gobject-domain-snapshot.h
@@ -85,6 +85,9 @@ gboolean gvir_domain_snapshot_delete (GVirDomainSnapshot *snapshot,
                                       guint flags,
                                       GError **error);
 
+gboolean gvir_domain_snapshot_is_current(GVirDomainSnapshot *snapshot,
+                                         guint flags,
+                                         GError **error);
 G_END_DECLS
 
 #endif /* __LIBVIRT_GOBJECT_DOMAIN_SNAPSHOT_H__ */
diff --git a/libvirt-gobject/libvirt-gobject.sym b/libvirt-gobject/libvirt-gobject.sym
index 6aa8b86..641c4da 100644
--- a/libvirt-gobject/libvirt-gobject.sym
+++ b/libvirt-gobject/libvirt-gobject.sym
@@ -242,6 +242,7 @@ LIBVIRT_GOBJECT_0.1.9 {
 	gvir_domain_get_snapshots;
 	gvir_domain_snapshot_delete;
 	gvir_domain_snapshot_list_flags_get_type;
+	gvir_domain_snapshot_is_current;
 } LIBVIRT_GOBJECT_0.1.5;
 
 # .... define new API here using predicted next version number ....
-- 
2.0.3


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