1*e3723e1fSApple OSS Distributions /*
2*e3723e1fSApple OSS Distributions * Copyright (c) 2022 Apple Inc. All rights reserved.
3*e3723e1fSApple OSS Distributions *
4*e3723e1fSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*e3723e1fSApple OSS Distributions *
6*e3723e1fSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code
7*e3723e1fSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License
8*e3723e1fSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in
9*e3723e1fSApple OSS Distributions * compliance with the License. The rights granted to you under the License
10*e3723e1fSApple OSS Distributions * may not be used to create, or enable the creation or redistribution of,
11*e3723e1fSApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to
12*e3723e1fSApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any
13*e3723e1fSApple OSS Distributions * terms of an Apple operating system software license agreement.
14*e3723e1fSApple OSS Distributions *
15*e3723e1fSApple OSS Distributions * Please obtain a copy of the License at
16*e3723e1fSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*e3723e1fSApple OSS Distributions *
18*e3723e1fSApple OSS Distributions * The Original Code and all software distributed under the License are
19*e3723e1fSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*e3723e1fSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*e3723e1fSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*e3723e1fSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*e3723e1fSApple OSS Distributions * Please see the License for the specific language governing rights and
24*e3723e1fSApple OSS Distributions * limitations under the License.
25*e3723e1fSApple OSS Distributions *
26*e3723e1fSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*e3723e1fSApple OSS Distributions */
28*e3723e1fSApple OSS Distributions
29*e3723e1fSApple OSS Distributions #ifndef __STDLIB_H__
30*e3723e1fSApple OSS Distributions #define __STDLIB_H__
31*e3723e1fSApple OSS Distributions
32*e3723e1fSApple OSS Distributions #include <sys/_types/_size_t.h>
33*e3723e1fSApple OSS Distributions #include <machine/trap.h>
34*e3723e1fSApple OSS Distributions
35*e3723e1fSApple OSS Distributions typedef struct {
36*e3723e1fSApple OSS Distributions int quot;
37*e3723e1fSApple OSS Distributions int rem;
38*e3723e1fSApple OSS Distributions } div_t;
39*e3723e1fSApple OSS Distributions
40*e3723e1fSApple OSS Distributions typedef struct {
41*e3723e1fSApple OSS Distributions long quot;
42*e3723e1fSApple OSS Distributions long rem;
43*e3723e1fSApple OSS Distributions } ldiv_t;
44*e3723e1fSApple OSS Distributions
45*e3723e1fSApple OSS Distributions typedef struct {
46*e3723e1fSApple OSS Distributions long long quot;
47*e3723e1fSApple OSS Distributions long long rem;
48*e3723e1fSApple OSS Distributions } lldiv_t;
49*e3723e1fSApple OSS Distributions
50*e3723e1fSApple OSS Distributions static inline div_t
div(int numer,int denom)51*e3723e1fSApple OSS Distributions div(int numer, int denom)
52*e3723e1fSApple OSS Distributions {
53*e3723e1fSApple OSS Distributions div_t retval;
54*e3723e1fSApple OSS Distributions
55*e3723e1fSApple OSS Distributions retval.quot = numer / denom;
56*e3723e1fSApple OSS Distributions retval.rem = numer % denom;
57*e3723e1fSApple OSS Distributions if (numer >= 0 && retval.rem < 0) {
58*e3723e1fSApple OSS Distributions retval.quot++;
59*e3723e1fSApple OSS Distributions retval.rem -= denom;
60*e3723e1fSApple OSS Distributions }
61*e3723e1fSApple OSS Distributions return retval;
62*e3723e1fSApple OSS Distributions }
63*e3723e1fSApple OSS Distributions
64*e3723e1fSApple OSS Distributions static inline ldiv_t
ldiv(long numer,long denom)65*e3723e1fSApple OSS Distributions ldiv(long numer, long denom)
66*e3723e1fSApple OSS Distributions {
67*e3723e1fSApple OSS Distributions ldiv_t retval;
68*e3723e1fSApple OSS Distributions
69*e3723e1fSApple OSS Distributions retval.quot = numer / denom;
70*e3723e1fSApple OSS Distributions retval.rem = numer % denom;
71*e3723e1fSApple OSS Distributions if (numer >= 0 && retval.rem < 0) {
72*e3723e1fSApple OSS Distributions retval.quot++;
73*e3723e1fSApple OSS Distributions retval.rem -= denom;
74*e3723e1fSApple OSS Distributions }
75*e3723e1fSApple OSS Distributions return retval;
76*e3723e1fSApple OSS Distributions }
77*e3723e1fSApple OSS Distributions
78*e3723e1fSApple OSS Distributions static inline lldiv_t
lldiv(long long numer,long long denom)79*e3723e1fSApple OSS Distributions lldiv(long long numer, long long denom)
80*e3723e1fSApple OSS Distributions {
81*e3723e1fSApple OSS Distributions lldiv_t retval;
82*e3723e1fSApple OSS Distributions
83*e3723e1fSApple OSS Distributions retval.quot = numer / denom;
84*e3723e1fSApple OSS Distributions retval.rem = numer % denom;
85*e3723e1fSApple OSS Distributions if (numer >= 0 && retval.rem < 0) {
86*e3723e1fSApple OSS Distributions retval.quot++;
87*e3723e1fSApple OSS Distributions retval.rem -= denom;
88*e3723e1fSApple OSS Distributions }
89*e3723e1fSApple OSS Distributions return retval;
90*e3723e1fSApple OSS Distributions }
91*e3723e1fSApple OSS Distributions
92*e3723e1fSApple OSS Distributions static inline void __attribute__((noreturn, cold))
abort(void)93*e3723e1fSApple OSS Distributions abort(void)
94*e3723e1fSApple OSS Distributions {
95*e3723e1fSApple OSS Distributions ml_fatal_trap(0x0800);
96*e3723e1fSApple OSS Distributions }
97*e3723e1fSApple OSS Distributions
98*e3723e1fSApple OSS Distributions #endif
99