1*2c2f96dcSApple OSS Distributions /*
2*2c2f96dcSApple OSS Distributions * Copyright (c) 2022 Apple Inc. All rights reserved.
3*2c2f96dcSApple OSS Distributions *
4*2c2f96dcSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*2c2f96dcSApple OSS Distributions *
6*2c2f96dcSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code
7*2c2f96dcSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License
8*2c2f96dcSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in
9*2c2f96dcSApple OSS Distributions * compliance with the License. The rights granted to you under the License
10*2c2f96dcSApple OSS Distributions * may not be used to create, or enable the creation or redistribution of,
11*2c2f96dcSApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to
12*2c2f96dcSApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any
13*2c2f96dcSApple OSS Distributions * terms of an Apple operating system software license agreement.
14*2c2f96dcSApple OSS Distributions *
15*2c2f96dcSApple OSS Distributions * Please obtain a copy of the License at
16*2c2f96dcSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*2c2f96dcSApple OSS Distributions *
18*2c2f96dcSApple OSS Distributions * The Original Code and all software distributed under the License are
19*2c2f96dcSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*2c2f96dcSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*2c2f96dcSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*2c2f96dcSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*2c2f96dcSApple OSS Distributions * Please see the License for the specific language governing rights and
24*2c2f96dcSApple OSS Distributions * limitations under the License.
25*2c2f96dcSApple OSS Distributions *
26*2c2f96dcSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*2c2f96dcSApple OSS Distributions */
28*2c2f96dcSApple OSS Distributions
29*2c2f96dcSApple OSS Distributions #ifndef __STDLIB_H__
30*2c2f96dcSApple OSS Distributions #define __STDLIB_H__
31*2c2f96dcSApple OSS Distributions
32*2c2f96dcSApple OSS Distributions #include <sys/_types/_size_t.h>
33*2c2f96dcSApple OSS Distributions #include <machine/trap.h>
34*2c2f96dcSApple OSS Distributions
35*2c2f96dcSApple OSS Distributions typedef struct {
36*2c2f96dcSApple OSS Distributions int quot;
37*2c2f96dcSApple OSS Distributions int rem;
38*2c2f96dcSApple OSS Distributions } div_t;
39*2c2f96dcSApple OSS Distributions
40*2c2f96dcSApple OSS Distributions typedef struct {
41*2c2f96dcSApple OSS Distributions long quot;
42*2c2f96dcSApple OSS Distributions long rem;
43*2c2f96dcSApple OSS Distributions } ldiv_t;
44*2c2f96dcSApple OSS Distributions
45*2c2f96dcSApple OSS Distributions typedef struct {
46*2c2f96dcSApple OSS Distributions long long quot;
47*2c2f96dcSApple OSS Distributions long long rem;
48*2c2f96dcSApple OSS Distributions } lldiv_t;
49*2c2f96dcSApple OSS Distributions
50*2c2f96dcSApple OSS Distributions static inline div_t
div(int numer,int denom)51*2c2f96dcSApple OSS Distributions div(int numer, int denom)
52*2c2f96dcSApple OSS Distributions {
53*2c2f96dcSApple OSS Distributions div_t retval;
54*2c2f96dcSApple OSS Distributions
55*2c2f96dcSApple OSS Distributions retval.quot = numer / denom;
56*2c2f96dcSApple OSS Distributions retval.rem = numer % denom;
57*2c2f96dcSApple OSS Distributions if (numer >= 0 && retval.rem < 0) {
58*2c2f96dcSApple OSS Distributions retval.quot++;
59*2c2f96dcSApple OSS Distributions retval.rem -= denom;
60*2c2f96dcSApple OSS Distributions }
61*2c2f96dcSApple OSS Distributions return retval;
62*2c2f96dcSApple OSS Distributions }
63*2c2f96dcSApple OSS Distributions
64*2c2f96dcSApple OSS Distributions static inline ldiv_t
ldiv(long numer,long denom)65*2c2f96dcSApple OSS Distributions ldiv(long numer, long denom)
66*2c2f96dcSApple OSS Distributions {
67*2c2f96dcSApple OSS Distributions ldiv_t retval;
68*2c2f96dcSApple OSS Distributions
69*2c2f96dcSApple OSS Distributions retval.quot = numer / denom;
70*2c2f96dcSApple OSS Distributions retval.rem = numer % denom;
71*2c2f96dcSApple OSS Distributions if (numer >= 0 && retval.rem < 0) {
72*2c2f96dcSApple OSS Distributions retval.quot++;
73*2c2f96dcSApple OSS Distributions retval.rem -= denom;
74*2c2f96dcSApple OSS Distributions }
75*2c2f96dcSApple OSS Distributions return retval;
76*2c2f96dcSApple OSS Distributions }
77*2c2f96dcSApple OSS Distributions
78*2c2f96dcSApple OSS Distributions static inline lldiv_t
lldiv(long long numer,long long denom)79*2c2f96dcSApple OSS Distributions lldiv(long long numer, long long denom)
80*2c2f96dcSApple OSS Distributions {
81*2c2f96dcSApple OSS Distributions lldiv_t retval;
82*2c2f96dcSApple OSS Distributions
83*2c2f96dcSApple OSS Distributions retval.quot = numer / denom;
84*2c2f96dcSApple OSS Distributions retval.rem = numer % denom;
85*2c2f96dcSApple OSS Distributions if (numer >= 0 && retval.rem < 0) {
86*2c2f96dcSApple OSS Distributions retval.quot++;
87*2c2f96dcSApple OSS Distributions retval.rem -= denom;
88*2c2f96dcSApple OSS Distributions }
89*2c2f96dcSApple OSS Distributions return retval;
90*2c2f96dcSApple OSS Distributions }
91*2c2f96dcSApple OSS Distributions
92*2c2f96dcSApple OSS Distributions static inline void __attribute__((noreturn, cold))
abort(void)93*2c2f96dcSApple OSS Distributions abort(void)
94*2c2f96dcSApple OSS Distributions {
95*2c2f96dcSApple OSS Distributions ml_fatal_trap(0x0800);
96*2c2f96dcSApple OSS Distributions }
97*2c2f96dcSApple OSS Distributions
98*2c2f96dcSApple OSS Distributions #endif
99