Merge branch 'libxfs-4.15-sync' into for-next

[thirdparty/xfsprogs-dev.git] / libfrog / util.c

/*
 * Copyright (c) 2000-2005 Silicon Graphics, Inc.
 * 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.
 *
 * This program is distributed in the hope that it would 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 the Free Software Foundation,
 * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
#include "platform_defs.h"
#include "libfrog.h"

/*
 * libfrog is a collection of miscellaneous userspace utilities.
 * It's a library of Funny Random Oddball Gunk <cough>.
 */

unsigned int
log2_roundup(unsigned int i)
{
	unsigned int	rval;

	for (rval = 0; rval < NBBY * sizeof(i); rval++) {
		if ((1 << rval) >= i)
			break;
	}
	return rval;
}