# HG changeset patch
# User Tuomo Valkonen <tuomov@iki.fi>
# Date 1109410640 -3600
# Node ID 17a16ed84bbf6d8f936abef6ca0abb782b88ba1f
# Parent  308dfa54da3edb3fb61b651f92309bc1ab2f8692
Added struct field address macros.

diff -r 308dfa54da3e -r 17a16ed84bbf pointer.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/pointer.h	Sat Feb 26 10:37:20 2005 +0100
@@ -0,0 +1,16 @@
+/*
+ * libtu/pointer.h
+ *
+ * Copyright (c) Tuomo Valkonen 2005. 
+ *
+ * You may distribute and modify this library under the terms of either
+ * the Clarified Artistic License or the GNU LGPL, version 2.1 or later.
+ */
+
+#ifndef LIBTU_POINTER_H
+#define LIBTU_POINTER_H
+
+#define FIELD_OFFSET(T, F) ((long)((char*)&((T*)0)->F))
+#define FIELD_TO_STRUCT(T, F, A) ((T*)(((char*)A)-FIELD_OFFSET(T, F)))
+
+#endif /* LIBTU_POINTER_H */