2 files changed, 39 insertions, 0 deletions
diff --git a/calendar/cal-util/cal-util.c b/calendar/cal-util/cal-util.c
index 092fd79889..bfb9c88fff 100644
--- a/calendar/cal-util/cal-util.c
+++ b/calendar/cal-util/cal-util.c
@@ -51,6 +51,31 @@ cal_obj_instance_list_free (GList *list)
 }
 
 /**
+ * cal_obj_change_list_free:
+ * @list: List of #CalObjChange structures.
+ * 
+ * Frees a list of #CalObjChange structures.
+ **/
+void
+cal_obj_change_list_free (GList *list)
+{
+	CalObjChange *c;
+	GList *l;
+
+	for (l = list; l; l = l->next) {
+		c = l->data;
+
+		g_assert (c != NULL);
+		g_assert (c->uid != NULL);
+
+		g_free (c->uid);
+		g_free (c);
+	}
+
+	g_list_free (list);
+}
+
+/**
  * cal_alarm_instance_list_free:
  * @list: List of #CalAlarmInstance structures.
  * 
diff --git a/calendar/cal-util/cal-util.h b/calendar/cal-util/cal-util.h
index 154f4c2ad5..243cc34105 100644
--- a/calendar/cal-util/cal-util.h
+++ b/calendar/cal-util/cal-util.h
@@ -41,6 +41,19 @@ typedef struct {
 
 void cal_obj_instance_list_free (GList *list);
 
+typedef enum {
+	CALOBJ_UPDATED = 1 << 0,
+	CALOBJ_REMOVED = 1 << 1
+} CalObjChangeType;
+
+typedef struct 
+{
+	char *uid;
+	CalObjChangeType type;
+} CalObjChange;
+
+void cal_obj_change_list_free (GList *list);
+
 /* Instance of an alarm trigger */
 typedef struct {
 	char *uid;			/* UID of object */
@@ -66,3 +79,4 @@ void cal_obj_uid_list_free (GList *list);
 END_GNOME_DECLS
 
 #endif
+