X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=src%2Fdaemon%2Futils_avltree.c;h=e251975bac6479e8410d64aa9e16b898e38a8839;hb=45e631cf6134de4a5dd3bcf01794c9fdd539c412;hp=da793b32d0fdf51d7e3bf98f041c9a99c3d6669f;hpb=77243847767b4bc2ea6600a5f88ef45f2a8ec713;p=collectd.git

diff --git a/src/daemon/utils_avltree.c b/src/daemon/utils_avltree.c
index da793b32..e251975b 100644
--- a/src/daemon/utils_avltree.c
+++ b/src/daemon/utils_avltree.c
@@ -146,6 +146,9 @@ 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;
@@ -170,7 +173,7 @@ 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)
@@ -187,6 +190,9 @@ 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;