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/*
* version.h -- get running kernel version
*
* Copyright (C) 2008 Oracle. All rights reserved.
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 0211-1301 USA
*
*/
#ifndef _NFS_UTILS_MOUNT_VERSION_H
#define _NFS_UTILS_MOUNT_VERSION_H
#include <stdio.h>
#include <limits.h>
#include <sys/utsname.h>
static inline unsigned int MAKE_VERSION(unsigned int p, unsigned int q,
unsigned int r)
{
return (65536 * p) + (256 * q) + r;
}
static inline unsigned int linux_version_code(void)
{
struct utsname my_utsname;
unsigned int p, q = 0, r = 0;
/* UINT_MAX as backward compatibility code should not be run */
if (uname(&my_utsname))
return UINT_MAX;
/* UINT_MAX as future versions might not start with an integer */
if (sscanf(my_utsname.release, "%u.%u.%u", &p, &q, &r) < 1)
return UINT_MAX;
return MAKE_VERSION(p, q, r);
}
#endif /* _NFS_UTILS_MOUNT_VERSION_H */
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