From b65a28d10126756961ed7bd2ccbe87448477ad80 Mon Sep 17 00:00:00 2001
Message-Id: <b65a28d10126756961ed7bd2ccbe87448477ad80.1715649320.git.mdw@distorted.org.uk>
From: Mark Wooding <mdw@chiark.greenend.org.uk>
Date: Sun, 12 Oct 2003 14:44:26 +0000
Subject: [PATCH] General alignment assumptions and tweaks.
Organization: Straylight/Edgeware

From: mdw <mdw>

---
 align.h | 69 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 align.h

diff --git a/align.h b/align.h
new file mode 100644
index 0000000..386ed47
--- /dev/null
+++ b/align.h
@@ -0,0 +1,69 @@
+/* -*-c-*-
+ *
+ * $Id: align.h,v 1.1 2003/10/12 14:44:26 mdw Exp $
+ *
+ * Pointer alignment hack
+ *
+ * (c) 2003 Straylight/Edgeware
+ */
+
+/*----- Licensing notice --------------------------------------------------* 
+ *
+ * This file is part of the mLib utilities library.
+ *
+ * mLib is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Library General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ * 
+ * mLib is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Library General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Library General Public
+ * License along with mLib; if not, write to the Free
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA 02111-1307, USA.
+ */
+
+/*----- Revision history --------------------------------------------------* 
+ *
+ * $Log: align.h,v $
+ * Revision 1.1  2003/10/12 14:44:26  mdw
+ * General alignment assumptions and tweaks.
+ *
+ */
+
+#ifndef MLIB_ALIGN_H
+#define MLIB_ALIGN_H
+
+#ifdef __cplusplus
+  extern "C" {
+#endif
+
+/*----- Data structures ---------------------------------------------------*/
+
+union align {
+  int i;
+  long l;
+  double d;
+  void *p;
+  void (*f)(void *);
+  struct notexist *s;
+};
+
+/*----- Macros provided ---------------------------------------------------*/
+
+#define ALIGN(sz) do {							\
+  sz += sizeof(union align) - 1;					\
+  sz -= sz % sizeof(union align);					\
+} while (0)
+
+/*----- That's all, folks -------------------------------------------------*/
+
+#ifdef __cplusplus
+  }
+#endif
+
+#endif
-- 
[mdw]