1
0
mirror of git://sourceware.org/git/lvm2.git synced 2024-12-28 11:22:15 +03:00
lvm2/lib/misc/util.h
Dave Wysochanski 111829da46 Add uninitialized_var macro to suppress invalid compiler warnings.
One such warning is seen on fedora9 gcc compiler:
/metadata.c:1923: warning: 'results' may be used uninitialized in this function
2008-06-23 19:04:34 +00:00

31 lines
864 B
C

/*
* Copyright (C) 2007 Red Hat, Inc. All rights reserved.
*
* This file is part of LVM2.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License v.2.1.
*
* You should have received a copy of the GNU Lesser 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
*/
#ifndef _LVM_UTIL_H
#define _LVM_UTIL_H
#define min(a, b) ({ typeof(a) _a = (a); \
typeof(b) _b = (b); \
(void) (&_a == &_b); \
_a < _b ? _a : _b; })
#define max(a, b) ({ typeof(a) _a = (a); \
typeof(b) _b = (b); \
(void) (&_a == &_b); \
_a > _b ? _a : _b; })
#define uninitialized_var(x) x = x
#endif