renamed capwap directory to cw.

FossilOrigin-Name: 8a43dd9d05a4cb73210243ddd8df2a26f16c7ef2c4d4e36ab446de1f65d88223

src/cw/avltree_foreach_from_lr.c

@@ -0,0 +1,31 @@
+#include "avltree.h"
+
+
+// XXX Function is buggy
+
+int avltree_foreach_from_lr(struct avltree *t, struct avlnode *n, void *data,int (*callback)(void *,void *),void *cbpriv)
+{
+        if (!n)
+                return 1;
+
+        int rc=t->cmp(data,n->data);
+        if (rc<0){
+                if(!avltree_foreach_from_lr(t,n->left,data,callback,cbpriv))
+			return 0;
+                if (!callback(cbpriv,n->data))
+			return 0;
+                return avltree_foreach_lr(n->right,callback,cbpriv);
+        }
+
+        if (rc>0) {
+                avltree_foreach_from_lr(t,n->right,data,callback,cbpriv);
+                return 0;
+        }
+
+        if (!callback(cbpriv,n->data))
+		return 0;
+
+	return avltree_foreach_lr(n->right,callback,cbpriv);
+}
+
+