1*0f4c859eSApple OSS Distributions /*
2*0f4c859eSApple OSS Distributions * Copyright (c) 2022 Apple Inc. All rights reserved.
3*0f4c859eSApple OSS Distributions *
4*0f4c859eSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*0f4c859eSApple OSS Distributions *
6*0f4c859eSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code
7*0f4c859eSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License
8*0f4c859eSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in
9*0f4c859eSApple OSS Distributions * compliance with the License. The rights granted to you under the License
10*0f4c859eSApple OSS Distributions * may not be used to create, or enable the creation or redistribution of,
11*0f4c859eSApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to
12*0f4c859eSApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any
13*0f4c859eSApple OSS Distributions * terms of an Apple operating system software license agreement.
14*0f4c859eSApple OSS Distributions *
15*0f4c859eSApple OSS Distributions * Please obtain a copy of the License at
16*0f4c859eSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*0f4c859eSApple OSS Distributions *
18*0f4c859eSApple OSS Distributions * The Original Code and all software distributed under the License are
19*0f4c859eSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*0f4c859eSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*0f4c859eSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*0f4c859eSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*0f4c859eSApple OSS Distributions * Please see the License for the specific language governing rights and
24*0f4c859eSApple OSS Distributions * limitations under the License.
25*0f4c859eSApple OSS Distributions *
26*0f4c859eSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*0f4c859eSApple OSS Distributions */
28*0f4c859eSApple OSS Distributions
29*0f4c859eSApple OSS Distributions #ifndef __STDLIB_H__
30*0f4c859eSApple OSS Distributions #define __STDLIB_H__
31*0f4c859eSApple OSS Distributions
32*0f4c859eSApple OSS Distributions #include <machine/trap.h>
33*0f4c859eSApple OSS Distributions
34*0f4c859eSApple OSS Distributions typedef struct {
35*0f4c859eSApple OSS Distributions int quot;
36*0f4c859eSApple OSS Distributions int rem;
37*0f4c859eSApple OSS Distributions } div_t;
38*0f4c859eSApple OSS Distributions
39*0f4c859eSApple OSS Distributions typedef struct {
40*0f4c859eSApple OSS Distributions long quot;
41*0f4c859eSApple OSS Distributions long rem;
42*0f4c859eSApple OSS Distributions } ldiv_t;
43*0f4c859eSApple OSS Distributions
44*0f4c859eSApple OSS Distributions typedef struct {
45*0f4c859eSApple OSS Distributions long long quot;
46*0f4c859eSApple OSS Distributions long long rem;
47*0f4c859eSApple OSS Distributions } lldiv_t;
48*0f4c859eSApple OSS Distributions
49*0f4c859eSApple OSS Distributions static inline div_t
div(int numer,int denom)50*0f4c859eSApple OSS Distributions div(int numer, int denom)
51*0f4c859eSApple OSS Distributions {
52*0f4c859eSApple OSS Distributions div_t retval;
53*0f4c859eSApple OSS Distributions
54*0f4c859eSApple OSS Distributions retval.quot = numer / denom;
55*0f4c859eSApple OSS Distributions retval.rem = numer % denom;
56*0f4c859eSApple OSS Distributions if (numer >= 0 && retval.rem < 0) {
57*0f4c859eSApple OSS Distributions retval.quot++;
58*0f4c859eSApple OSS Distributions retval.rem -= denom;
59*0f4c859eSApple OSS Distributions }
60*0f4c859eSApple OSS Distributions return retval;
61*0f4c859eSApple OSS Distributions }
62*0f4c859eSApple OSS Distributions
63*0f4c859eSApple OSS Distributions static inline ldiv_t
ldiv(long numer,long denom)64*0f4c859eSApple OSS Distributions ldiv(long numer, long denom)
65*0f4c859eSApple OSS Distributions {
66*0f4c859eSApple OSS Distributions ldiv_t retval;
67*0f4c859eSApple OSS Distributions
68*0f4c859eSApple OSS Distributions retval.quot = numer / denom;
69*0f4c859eSApple OSS Distributions retval.rem = numer % denom;
70*0f4c859eSApple OSS Distributions if (numer >= 0 && retval.rem < 0) {
71*0f4c859eSApple OSS Distributions retval.quot++;
72*0f4c859eSApple OSS Distributions retval.rem -= denom;
73*0f4c859eSApple OSS Distributions }
74*0f4c859eSApple OSS Distributions return retval;
75*0f4c859eSApple OSS Distributions }
76*0f4c859eSApple OSS Distributions
77*0f4c859eSApple OSS Distributions static inline lldiv_t
lldiv(long long numer,long long denom)78*0f4c859eSApple OSS Distributions lldiv(long long numer, long long denom)
79*0f4c859eSApple OSS Distributions {
80*0f4c859eSApple OSS Distributions lldiv_t retval;
81*0f4c859eSApple OSS Distributions
82*0f4c859eSApple OSS Distributions retval.quot = numer / denom;
83*0f4c859eSApple OSS Distributions retval.rem = numer % denom;
84*0f4c859eSApple OSS Distributions if (numer >= 0 && retval.rem < 0) {
85*0f4c859eSApple OSS Distributions retval.quot++;
86*0f4c859eSApple OSS Distributions retval.rem -= denom;
87*0f4c859eSApple OSS Distributions }
88*0f4c859eSApple OSS Distributions return retval;
89*0f4c859eSApple OSS Distributions }
90*0f4c859eSApple OSS Distributions
91*0f4c859eSApple OSS Distributions static inline void __attribute__((noreturn, cold))
abort(void)92*0f4c859eSApple OSS Distributions abort(void)
93*0f4c859eSApple OSS Distributions {
94*0f4c859eSApple OSS Distributions ml_fatal_trap(0x0800);
95*0f4c859eSApple OSS Distributions }
96*0f4c859eSApple OSS Distributions
97*0f4c859eSApple OSS Distributions #endif
98