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authorBrad Bishop <bradleyb@us.ibm.com>2014-06-30 22:10:16 -0500
committerPatrick Williams <iawillia@us.ibm.com>2014-07-02 22:49:29 -0500
commitbf4630076762d9c20c16c80c1c791f352b046dd1 (patch)
treeefc67bad010a28fd1abf5aeeefda2a969514fd97 /clib/max.h
downloadffs-bf4630076762d9c20c16c80c1c791f352b046dd1.tar.gz
ffs-bf4630076762d9c20c16c80c1c791f352b046dd1.zip
Port FFS tools over from Building Block repository.
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+/*
+ * Copyright (c) International Business Machines Corp., 2014
+ *
+ * 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
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/*
+ * File: max.h
+ * Author:
+ * Descr: typesafe max function
+ * Note:
+ * Date: 10/22/10
+ */
+
+#ifndef __MAX_H__
+#define __MAX_H__
+
+#define max(x,y) \
+({ \
+ typeof(x) _x = (x); \
+ typeof(y) _y = (y); \
+ (void)((void*)&_x == (void*)&_y); \
+ _x < _y ? _y : _x; \
+})
+
+#endif /* __MAX_H__ */
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