perl plugin: Removed commented code
[collectd.git] / src / utils_avltree.c
index 6a25fb5..a9b3862 100644 (file)
@@ -142,6 +142,9 @@ static c_avl_node_t *rotate_right (c_avl_tree_t *t, c_avl_node_t *x)
        c_avl_node_t *y;
        c_avl_node_t *b;
 
+       assert (x != NULL);
+       assert (x->left != NULL);
+
        p = x->parent;
        y = x->left;
        b = y->right;
@@ -166,7 +169,7 @@ static c_avl_node_t *rotate_right (c_avl_tree_t *t, c_avl_node_t *x)
        y->height = calc_height (y);
 
        return (y);
-} /* void rotate_left */
+} /* void rotate_right */
 
 /*
  *    (x)                   (y)
@@ -183,6 +186,9 @@ static c_avl_node_t *rotate_left (c_avl_tree_t *t, c_avl_node_t *x)
        c_avl_node_t *y;
        c_avl_node_t *b;
 
+       assert (x != NULL);
+       assert (x->right != NULL);
+
        p = x->parent;
        y = x->right;
        b = y->left;
@@ -235,7 +241,7 @@ static void rebalance (c_avl_tree_t *t, c_avl_node_t *n)
                {
                        assert (n->right != NULL);
                        b_bottom = BALANCE (n->right);
-                       assert ((b_bottom >= -1) || (b_bottom <= 1));
+                       assert ((b_bottom >= -1) && (b_bottom <= 1));
                        if (b_bottom == 1)
                                n = rotate_right_left (t, n);
                        else
@@ -245,7 +251,7 @@ static void rebalance (c_avl_tree_t *t, c_avl_node_t *n)
                {
                        assert (n->left != NULL);
                        b_bottom = BALANCE (n->left);
-                       assert ((b_bottom >= -1) || (b_bottom <= 1));
+                       assert ((b_bottom >= -1) && (b_bottom <= 1));
                        if (b_bottom == -1)
                                n = rotate_left_right (t, n);
                        else
@@ -642,6 +648,7 @@ int c_avl_pick (c_avl_tree_t *t, void **key, void **value)
        *value = n->value;
 
        free_node (n);
+       --t->size;
        rebalance (t, p);
 
        return (0);