renamed capwap directory to cw.

FossilOrigin-Name: 8a43dd9d05a4cb73210243ddd8df2a26f16c7ef2c4d4e36ab446de1f65d88223

src/cw/mavl_merge.c

@@ -0,0 +1,78 @@
+/*
+    This file is part of libcapwap.
+
+    libcapwap is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    libcapwap 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with Foobar.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+#include "mavl.h"
+
+
+/** 
+ * @file
+ * @brief Implementation if mavl_merge.
+ * @addtogroup MavlFunctions 
+ * @{
+ */
+
+
+static void mavlnode_move(mavl_t m,mavl_t t, struct mavlnode *n)
+{
+	struct mavlnode * mn = mavl_get_node(m,n->data);
+	if (mn) {
+		if (m->del) {
+			m->del(mn->data);
+		}
+		mn->data=n->data;
+	}
+	else{
+		mavl_add(m,n->data);
+
+	}
+	free(n);
+	t->count--;
+}
+
+
+
+static void mavl_merge0(mavl_t m, mavl_t t ,struct mavlnode * n)
+{
+	if (!n)
+		return;
+	mavl_merge0(m,t,n->left);
+	mavl_merge0(m,t,n->right);
+	mavlnode_move(m,t,n);
+}
+
+
+/**
+ * Merge two MAVL Objects
+ *
+ * Move all elements in MAVL object t to MAVL object m. Delete all
+ * elements from MAVL object t. If an element from t already exists
+ * in m, it will be replaced.
+ *
+ * @param m target object 
+ * @param t source object
+ * 
+ * 
+ */ 
+void mavl_merge(mavl_t m, mavl_t t)
+{
+	mavl_merge0(m,t,t->root);		
+	t->root=NULL;
+}
+
+
+/** *@} */