From 0d20130d07d69bb8ac4392af8f2ed25e5ea0bbad Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@duempel.org>
Date: Thu, 26 Dec 2013 11:42:34 +0100
Subject: util/Cast: new utility library

---
 src/tag/TagPool.cxx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/tag/TagPool.cxx')

diff --git a/src/tag/TagPool.cxx b/src/tag/TagPool.cxx
index cc28ea9a6..8e1e670c9 100644
--- a/src/tag/TagPool.cxx
+++ b/src/tag/TagPool.cxx
@@ -20,6 +20,7 @@
 #include "config.h"
 #include "TagPool.hxx"
 #include "TagItem.hxx"
+#include "util/Cast.hxx"
 
 #include <glib.h>
 
@@ -67,7 +68,7 @@ calc_hash(TagType type, const char *p)
 static inline struct slot *
 tag_item_to_slot(TagItem *item)
 {
-	return (struct slot*)(((char*)item) - offsetof(struct slot, item));
+	return ContainerCast(item, slot, item);
 }
 
 static struct slot *slot_alloc(struct slot *next,
-- 
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