1*699cd480SApple OSS Distributions /*
2*699cd480SApple OSS Distributions * Copyright (c) 2022 Apple Inc. All rights reserved.
3*699cd480SApple OSS Distributions *
4*699cd480SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*699cd480SApple OSS Distributions *
6*699cd480SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code
7*699cd480SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License
8*699cd480SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in
9*699cd480SApple OSS Distributions * compliance with the License. The rights granted to you under the License
10*699cd480SApple OSS Distributions * may not be used to create, or enable the creation or redistribution of,
11*699cd480SApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to
12*699cd480SApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any
13*699cd480SApple OSS Distributions * terms of an Apple operating system software license agreement.
14*699cd480SApple OSS Distributions *
15*699cd480SApple OSS Distributions * Please obtain a copy of the License at
16*699cd480SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*699cd480SApple OSS Distributions *
18*699cd480SApple OSS Distributions * The Original Code and all software distributed under the License are
19*699cd480SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*699cd480SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*699cd480SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*699cd480SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*699cd480SApple OSS Distributions * Please see the License for the specific language governing rights and
24*699cd480SApple OSS Distributions * limitations under the License.
25*699cd480SApple OSS Distributions *
26*699cd480SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*699cd480SApple OSS Distributions */
28*699cd480SApple OSS Distributions
29*699cd480SApple OSS Distributions #ifndef __STDLIB_H__
30*699cd480SApple OSS Distributions #define __STDLIB_H__
31*699cd480SApple OSS Distributions
32*699cd480SApple OSS Distributions #include <machine/trap.h>
33*699cd480SApple OSS Distributions
34*699cd480SApple OSS Distributions typedef struct {
35*699cd480SApple OSS Distributions int quot;
36*699cd480SApple OSS Distributions int rem;
37*699cd480SApple OSS Distributions } div_t;
38*699cd480SApple OSS Distributions
39*699cd480SApple OSS Distributions typedef struct {
40*699cd480SApple OSS Distributions long quot;
41*699cd480SApple OSS Distributions long rem;
42*699cd480SApple OSS Distributions } ldiv_t;
43*699cd480SApple OSS Distributions
44*699cd480SApple OSS Distributions typedef struct {
45*699cd480SApple OSS Distributions long long quot;
46*699cd480SApple OSS Distributions long long rem;
47*699cd480SApple OSS Distributions } lldiv_t;
48*699cd480SApple OSS Distributions
49*699cd480SApple OSS Distributions static inline div_t
div(int numer,int denom)50*699cd480SApple OSS Distributions div(int numer, int denom)
51*699cd480SApple OSS Distributions {
52*699cd480SApple OSS Distributions div_t retval;
53*699cd480SApple OSS Distributions
54*699cd480SApple OSS Distributions retval.quot = numer / denom;
55*699cd480SApple OSS Distributions retval.rem = numer % denom;
56*699cd480SApple OSS Distributions if (numer >= 0 && retval.rem < 0) {
57*699cd480SApple OSS Distributions retval.quot++;
58*699cd480SApple OSS Distributions retval.rem -= denom;
59*699cd480SApple OSS Distributions }
60*699cd480SApple OSS Distributions return retval;
61*699cd480SApple OSS Distributions }
62*699cd480SApple OSS Distributions
63*699cd480SApple OSS Distributions static inline ldiv_t
ldiv(long numer,long denom)64*699cd480SApple OSS Distributions ldiv(long numer, long denom)
65*699cd480SApple OSS Distributions {
66*699cd480SApple OSS Distributions ldiv_t retval;
67*699cd480SApple OSS Distributions
68*699cd480SApple OSS Distributions retval.quot = numer / denom;
69*699cd480SApple OSS Distributions retval.rem = numer % denom;
70*699cd480SApple OSS Distributions if (numer >= 0 && retval.rem < 0) {
71*699cd480SApple OSS Distributions retval.quot++;
72*699cd480SApple OSS Distributions retval.rem -= denom;
73*699cd480SApple OSS Distributions }
74*699cd480SApple OSS Distributions return retval;
75*699cd480SApple OSS Distributions }
76*699cd480SApple OSS Distributions
77*699cd480SApple OSS Distributions static inline lldiv_t
lldiv(long long numer,long long denom)78*699cd480SApple OSS Distributions lldiv(long long numer, long long denom)
79*699cd480SApple OSS Distributions {
80*699cd480SApple OSS Distributions lldiv_t retval;
81*699cd480SApple OSS Distributions
82*699cd480SApple OSS Distributions retval.quot = numer / denom;
83*699cd480SApple OSS Distributions retval.rem = numer % denom;
84*699cd480SApple OSS Distributions if (numer >= 0 && retval.rem < 0) {
85*699cd480SApple OSS Distributions retval.quot++;
86*699cd480SApple OSS Distributions retval.rem -= denom;
87*699cd480SApple OSS Distributions }
88*699cd480SApple OSS Distributions return retval;
89*699cd480SApple OSS Distributions }
90*699cd480SApple OSS Distributions
91*699cd480SApple OSS Distributions static inline void __attribute__((noreturn, cold))
abort(void)92*699cd480SApple OSS Distributions abort(void)
93*699cd480SApple OSS Distributions {
94*699cd480SApple OSS Distributions ml_fatal_trap(0x0800);
95*699cd480SApple OSS Distributions }
96*699cd480SApple OSS Distributions
97*699cd480SApple OSS Distributions #endif
98