happy belated New Year

[openldap] / libraries / liblutil / avl.c

diff --git a/libraries/liblutil/avl.c b/libraries/liblutil/avl.c
index 2dc1e122b679a06022e02a926d23d9fc63c68267..c95d26a24623c173d068ff3ce8a17b044de326d3 100644 (file)
--- a/libraries/liblutil/avl.c
+++ b/libraries/liblutil/avl.c
@@ -2,7 +2,7 @@
 /* $OpenLDAP$ */
 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
- * Copyright 1998-2008 The OpenLDAP Foundation.
+ * Copyright 1998-2010 The OpenLDAP Foundation.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,6 +34,7 @@
 
 #include "portable.h"
 
+#include <limits.h>
 #include <stdio.h>
 #include <ac/stdlib.h>
 
@@ -48,6 +49,9 @@
 #define AVL_INTERNAL
 #include "avl.h"
 
+/* Maximum tree depth this host's address space could support */
+#define MAX_TREE_DEPTH (sizeof(void *) * CHAR_BIT)
+
 static const int avl_bfs[] = {LH, RH};
 
 /*
@@ -180,8 +184,8 @@ avl_delete( Avlnode **root, void* data, AVL_CMP fcmp )
        int side, side_bf, shorter, nside;
 
        /* parent stack */
-       Avlnode *pptr[sizeof(void *)*8];
-       unsigned char pdir[sizeof(void *)*8];
+       Avlnode *pptr[MAX_TREE_DEPTH];
+       unsigned char pdir[MAX_TREE_DEPTH];
        int depth = 0;
 
        if ( *root == NULL )