X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=rbtree.c;h=95bcee398d7d04b869479529f8b1c3b5eb72c516;hp=ed8f0ac7c9a545187dfaaab578e60ba74d7b11ea;hb=e0acbd356abf4d9f1b693065b1ff23c57c53ab1e;hpb=f6f50d03a09d6bc423324206d274336e9905bbb4

diff --git a/rbtree.c b/rbtree.c
index ed8f0ac7..95bcee39 100644
--- a/rbtree.c
+++ b/rbtree.c
@@ -21,6 +21,8 @@
   linux/lib/rbtree.c
 */
 
+/** \file rbtree.c Red-black tree implementation. */
+
 #include "stddef.h"
 #include "rbtree.h"
 
@@ -436,9 +438,9 @@ struct rb_node *rb_nth(struct rb_node *node, unsigned n)
  */
 int rb_rank(struct rb_node *node, unsigned *rank)
 {
-	*rank = 1;
 	struct rb_node *parent;
 
+	*rank = 1;
 	if (!node)
 		return -1;
 	if (node->rb_left)