/*
 * Copyright (c) 2022 Apple Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 *
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 *
 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this file.
 *
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
 */

#ifndef __STDLIB_H__
#define __STDLIB_H__

#include <sys/_types/_size_t.h>
#include <machine/trap.h>

typedef struct {
	int quot;
	int rem;
} div_t;

typedef struct {
	long quot;
	long rem;
} ldiv_t;

typedef struct {
	long long quot;
	long long rem;
} lldiv_t;

static inline div_t
div(int numer, int denom)
{
	div_t retval;

	retval.quot = numer / denom;
	retval.rem = numer % denom;
	if (numer >= 0 && retval.rem < 0) {
		retval.quot++;
		retval.rem -= denom;
	}
	return retval;
}

static inline ldiv_t
ldiv(long numer, long denom)
{
	ldiv_t retval;

	retval.quot = numer / denom;
	retval.rem = numer % denom;
	if (numer >= 0 && retval.rem < 0) {
		retval.quot++;
		retval.rem -= denom;
	}
	return retval;
}

static inline lldiv_t
lldiv(long long numer, long long denom)
{
	lldiv_t retval;

	retval.quot = numer / denom;
	retval.rem = numer % denom;
	if (numer >= 0 && retval.rem < 0) {
		retval.quot++;
		retval.rem -= denom;
	}
	return retval;
}

static inline void __attribute__((noreturn, cold))
abort(void)
{
	ml_fatal_trap(0x0800);
}

#endif