/*
 * This file is part of the Black Magic Debug project.
 *
 * Copyright (C) 2023 1BitSquared <info@1bitsquared.com>
 * Written by Rafael Silva <perigoso@riseup.net>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its
 *    contributors may be used to endorse or promote products derived from
 *    this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef INCLUDE_ALIGN_H
#define INCLUDE_ALIGN_H

#include <stdalign.h>

typedef enum align {
	ALIGN_8BIT = 0U,
	ALIGN_16BIT = 1U,
	ALIGN_32BIT = 2U,
	ALIGN_64BIT = 3U,
} align_e;

#define ALIGN_OF(x)     (((x)&3U) == 0 ? ALIGN_32BIT : (((x)&1U) == 0 ? ALIGN_16BIT : ALIGN_8BIT))
#define MIN_ALIGN(x, y) MIN(ALIGN_OF(x), ALIGN_OF(y))

#define ALIGN(x, n) (((x) + (n)-1) & ~((n)-1))

#define BMD_ALIGN_DEF(x) _Alignas(x)

#ifdef _MSC_VER
#define BMD_ALIGN_DECL(x) __declspec(align(x))
#else
#define BMD_ALIGN_DECL(x) __attribute__((aligned(x)))
#endif

#endif /* INCLUDE_ALIGN_H */
