X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flibpspp%2Ftower.c;h=9157987774e555c625d63af41a9343dc4447c574;hb=a554ee5cd3f34f39bd202f6a40a79256b537c40d;hp=e8d253d086731c61dd539962cbc79f9c2b3b0750;hpb=7fbfc32fc3c636959b0a25b3e76609f86519e84a;p=pspp

diff --git a/src/libpspp/tower.c b/src/libpspp/tower.c
index e8d253d086..9157987774 100644
--- a/src/libpspp/tower.c
+++ b/src/libpspp/tower.c
@@ -1,5 +1,5 @@
 /* PSPP - a program for statistical analysis.
-   Copyright (C) 2007 Free Software Foundation, Inc.
+   Copyright (C) 2007, 2009 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -21,6 +21,7 @@
 #include <limits.h>
 
 #include <libpspp/assertion.h>
+#include <libpspp/cast.h>
 #include <libpspp/compiler.h>
 
 static struct tower_node *abt_to_tower_node (const struct abt_node *);
@@ -184,7 +185,7 @@ tower_lookup (const struct tower *t_,
               unsigned long height,
               unsigned long *node_start)
 {
-  struct tower *t = (struct tower *) t_;
+  struct tower *t = CONST_CAST (struct tower *, t_);
   struct abt_node *p;
 
   assert (height < tower_height (t));
@@ -237,7 +238,7 @@ tower_lookup (const struct tower *t_,
 struct tower_node *
 tower_get (const struct tower *t_, unsigned long int index) 
 {
-  struct tower *t = (struct tower *) t_;
+  struct tower *t = CONST_CAST (struct tower *, t_);
   struct abt_node *p;
 
   assert (index < tower_count (t));