1*a1e26a70SApple OSS Distributions /*
2*a1e26a70SApple OSS Distributions * Copyright (c) 2022 Apple Inc. All rights reserved.
3*a1e26a70SApple OSS Distributions *
4*a1e26a70SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*a1e26a70SApple OSS Distributions *
6*a1e26a70SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code
7*a1e26a70SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License
8*a1e26a70SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in
9*a1e26a70SApple OSS Distributions * compliance with the License. The rights granted to you under the License
10*a1e26a70SApple OSS Distributions * may not be used to create, or enable the creation or redistribution of,
11*a1e26a70SApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to
12*a1e26a70SApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any
13*a1e26a70SApple OSS Distributions * terms of an Apple operating system software license agreement.
14*a1e26a70SApple OSS Distributions *
15*a1e26a70SApple OSS Distributions * Please obtain a copy of the License at
16*a1e26a70SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*a1e26a70SApple OSS Distributions *
18*a1e26a70SApple OSS Distributions * The Original Code and all software distributed under the License are
19*a1e26a70SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*a1e26a70SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*a1e26a70SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*a1e26a70SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*a1e26a70SApple OSS Distributions * Please see the License for the specific language governing rights and
24*a1e26a70SApple OSS Distributions * limitations under the License.
25*a1e26a70SApple OSS Distributions *
26*a1e26a70SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*a1e26a70SApple OSS Distributions */
28*a1e26a70SApple OSS Distributions
29*a1e26a70SApple OSS Distributions #ifndef __STDLIB_H__
30*a1e26a70SApple OSS Distributions #define __STDLIB_H__
31*a1e26a70SApple OSS Distributions
32*a1e26a70SApple OSS Distributions #include <sys/_types/_size_t.h>
33*a1e26a70SApple OSS Distributions #include <machine/trap.h>
34*a1e26a70SApple OSS Distributions
35*a1e26a70SApple OSS Distributions typedef struct {
36*a1e26a70SApple OSS Distributions int quot;
37*a1e26a70SApple OSS Distributions int rem;
38*a1e26a70SApple OSS Distributions } div_t;
39*a1e26a70SApple OSS Distributions
40*a1e26a70SApple OSS Distributions typedef struct {
41*a1e26a70SApple OSS Distributions long quot;
42*a1e26a70SApple OSS Distributions long rem;
43*a1e26a70SApple OSS Distributions } ldiv_t;
44*a1e26a70SApple OSS Distributions
45*a1e26a70SApple OSS Distributions typedef struct {
46*a1e26a70SApple OSS Distributions long long quot;
47*a1e26a70SApple OSS Distributions long long rem;
48*a1e26a70SApple OSS Distributions } lldiv_t;
49*a1e26a70SApple OSS Distributions
50*a1e26a70SApple OSS Distributions static inline div_t
div(int numer,int denom)51*a1e26a70SApple OSS Distributions div(int numer, int denom)
52*a1e26a70SApple OSS Distributions {
53*a1e26a70SApple OSS Distributions div_t retval;
54*a1e26a70SApple OSS Distributions
55*a1e26a70SApple OSS Distributions retval.quot = numer / denom;
56*a1e26a70SApple OSS Distributions retval.rem = numer % denom;
57*a1e26a70SApple OSS Distributions if (numer >= 0 && retval.rem < 0) {
58*a1e26a70SApple OSS Distributions retval.quot++;
59*a1e26a70SApple OSS Distributions retval.rem -= denom;
60*a1e26a70SApple OSS Distributions }
61*a1e26a70SApple OSS Distributions return retval;
62*a1e26a70SApple OSS Distributions }
63*a1e26a70SApple OSS Distributions
64*a1e26a70SApple OSS Distributions static inline ldiv_t
ldiv(long numer,long denom)65*a1e26a70SApple OSS Distributions ldiv(long numer, long denom)
66*a1e26a70SApple OSS Distributions {
67*a1e26a70SApple OSS Distributions ldiv_t retval;
68*a1e26a70SApple OSS Distributions
69*a1e26a70SApple OSS Distributions retval.quot = numer / denom;
70*a1e26a70SApple OSS Distributions retval.rem = numer % denom;
71*a1e26a70SApple OSS Distributions if (numer >= 0 && retval.rem < 0) {
72*a1e26a70SApple OSS Distributions retval.quot++;
73*a1e26a70SApple OSS Distributions retval.rem -= denom;
74*a1e26a70SApple OSS Distributions }
75*a1e26a70SApple OSS Distributions return retval;
76*a1e26a70SApple OSS Distributions }
77*a1e26a70SApple OSS Distributions
78*a1e26a70SApple OSS Distributions static inline lldiv_t
lldiv(long long numer,long long denom)79*a1e26a70SApple OSS Distributions lldiv(long long numer, long long denom)
80*a1e26a70SApple OSS Distributions {
81*a1e26a70SApple OSS Distributions lldiv_t retval;
82*a1e26a70SApple OSS Distributions
83*a1e26a70SApple OSS Distributions retval.quot = numer / denom;
84*a1e26a70SApple OSS Distributions retval.rem = numer % denom;
85*a1e26a70SApple OSS Distributions if (numer >= 0 && retval.rem < 0) {
86*a1e26a70SApple OSS Distributions retval.quot++;
87*a1e26a70SApple OSS Distributions retval.rem -= denom;
88*a1e26a70SApple OSS Distributions }
89*a1e26a70SApple OSS Distributions return retval;
90*a1e26a70SApple OSS Distributions }
91*a1e26a70SApple OSS Distributions
92*a1e26a70SApple OSS Distributions static inline void __attribute__((noreturn, cold))
abort(void)93*a1e26a70SApple OSS Distributions abort(void)
94*a1e26a70SApple OSS Distributions {
95*a1e26a70SApple OSS Distributions ml_fatal_trap(0x0800);
96*a1e26a70SApple OSS Distributions }
97*a1e26a70SApple OSS Distributions
98*a1e26a70SApple OSS Distributions #endif
99