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37 lines
1.1 KiB
C
37 lines
1.1 KiB
C
/*
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* Copyright (C) 2007 Red Hat, Inc. All rights reserved.
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*
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* This file is part of LVM2.
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*
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* This copyrighted material is made available to anyone wishing to use,
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* modify, copy, or redistribute it subject to the terms and conditions
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* of the GNU Lesser General Public License v.2.1.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _LVM_UTIL_H
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#define _LVM_UTIL_H
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#define min(a, b) ({ typeof(a) _a = (a); \
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typeof(b) _b = (b); \
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(void) (&_a == &_b); \
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_a < _b ? _a : _b; })
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#define max(a, b) ({ typeof(a) _a = (a); \
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typeof(b) _b = (b); \
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(void) (&_a == &_b); \
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_a > _b ? _a : _b; })
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#if defined(__clang__) || (defined(__GNUC__) && __GNUC__ >= 4 && __GNUC_MINOR__ >= 6)
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#define uninitialized_var(x) x
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#else
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#define uninitialized_var(x) x = x
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#endif
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#define KERNEL_VERSION(major, minor, release) (((major) << 16) + ((minor) << 8) + (release))
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#endif
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