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      1 /*	$NetBSD: util.h,v 1.1.1.1 2008/12/22 00:18:13 haad Exp $	*/
      2 
      3 /*
      4  * Copyright (C) 2007 Red Hat, Inc. All rights reserved.
      5  *
      6  * This file is part of LVM2.
      7  *
      8  * This copyrighted material is made available to anyone wishing to use,
      9  * modify, copy, or redistribute it subject to the terms and conditions
     10  * of the GNU Lesser General Public License v.2.1.
     11  *
     12  * You should have received a copy of the GNU Lesser General Public License
     13  * along with this program; if not, write to the Free Software Foundation,
     14  * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
     15  */
     16 
     17 #ifndef _LVM_UTIL_H
     18 #define _LVM_UTIL_H
     19 
     20 #define min(a, b) ({ typeof(a) _a = (a); \
     21 		     typeof(b) _b = (b); \
     22 		     (void) (&_a == &_b); \
     23 		     _a < _b ? _a : _b; })
     24 
     25 #define max(a, b) ({ typeof(a) _a = (a); \
     26 		     typeof(b) _b = (b); \
     27 		     (void) (&_a == &_b); \
     28 		     _a > _b ? _a : _b; })
     29 
     30 #define uninitialized_var(x) x = x
     31 
     32 #endif
     33