nfs-utils-1.2.2/utils/mount/version.h

/*
 * 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., 59 Temple Place - Suite 330,
 * Boston, MA 021110-1307, USA.
 *
 */

#ifndef _NFS_UTILS_MOUNT_VERSION_H
#define _NFS_UTILS_MOUNT_VERSION_H

#include <stdlib.h>
#include <string.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, r;

	if (uname(&my_utsname))
		return 0;

	p = atoi(strtok(my_utsname.release, "."));
	q = atoi(strtok(NULL, "."));
	r = atoi(strtok(NULL, "."));
	return MAKE_VERSION(p, q, r);
}

#endif	/* _NFS_UTILS_MOUNT_VERSION_H */