/* See the end of this file for copyright and license terms. */

#include <gay/types.h>
#include <gay/util.h>

void *ptr_align(void *ptr, int log)
{
	uintptr_t shifted = 1 << abs(log);
	uintptr_t aligned = (uintptr_t)ptr & ~(shifted - 1);

	if (log > 0 && aligned != (uintptr_t)ptr)
		aligned += shifted;

	return (void *)aligned;
}

/*
 * This file is part of GayBSD.
 * Copyright (c) 2021 fef <owo@fef.moe>.
 *
 * GayBSD is nonviolent software: you may only use, redistribute, and/or
 * modify it under the terms of the Cooperative Nonviolent Public License
 * (CNPL) as found in the LICENSE file in the source code root directory
 * or at <https://git.pixie.town/thufie/npl-builder>; either version 7
 * of the license, or (at your option) any later version.
 *
 * GayBSD comes with ABSOLUTELY NO WARRANTY, to the extent
 * permitted by applicable law.  See the CNPL for details.
 */