mirror_zfs/include/linux/math64_compat.h
Olaf Faaland ce319db57b Make include/linux/ conform to ZFS style standard
No semantic changes.

Fix the following types of style issues:
	blank after preprocessor #
	#define followed by space instead of tab
	improper first line of block comment
	indent by spaces instead of tabs
	last line in file is blank
	missing blank after open comment
	missing space before left brace
	non-continuation indented 4 spaces
	spaces instead of tabs
	unparenthesized return expression

Signed-off-by: Olaf Faaland <faaland1@llnl.gov>
2017-10-09 14:27:27 -07:00

33 lines
1.2 KiB
C

/*
* Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
* Copyright (C) 2007 The Regents of the University of California.
* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
* Written by Brian Behlendorf <behlendorf1@llnl.gov>.
* UCRL-CODE-235197
*
* This file is part of the SPL, Solaris Porting Layer.
* For details, see <http://zfsonlinux.org/>.
*
* The SPL 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.
*
* The SPL 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 the SPL. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _SPL_MATH64_COMPAT_H
#define _SPL_MATH64_COMPAT_H
#ifndef abs64
#define abs64(x) ({ uint64_t t = (x) >> 63; ((x) ^ t) - t; })
#endif
#endif /* _SPL_MATH64_COMPAT_H */