From: Marko Kreen <markokr@gmail.com>
Date: Wed, 3 Mar 2010 07:03:30 +0000 (+0200)
Subject: aatree: add 'const' to aatree_is_nil_node()
X-Git-Url: http://git.postgresql.org/gitweb/static/%7B%7Bpgdulink%28?a=commitdiff_plain;h=f7f63e4de1c1d9620825b3b0af2041c703ccbf31;p=libusual.git

aatree: add 'const' to aatree_is_nil_node()
---

diff --git a/usual/aatree.h b/usual/aatree.h
index 821a1ea..aff1a9d 100644
--- a/usual/aatree.h
+++ b/usual/aatree.h
@@ -63,7 +63,7 @@ void aatree_walk(struct AATree *tree, enum AATreeWalkType wtype, aatree_walker_f
 void aatree_destroy(struct AATree *tree);
 
 /* aatree does not use NULL pointers */
-static inline int aatree_is_nil_node(struct AANode *node)
+static inline int aatree_is_nil_node(const struct AANode *node)
 {
 	return (node->left == node);
 }