1*4d495c6eSApple OSS Distributions /*
2*4d495c6eSApple OSS Distributions * Copyright (c) 2022 Apple Inc. All rights reserved.
3*4d495c6eSApple OSS Distributions *
4*4d495c6eSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*4d495c6eSApple OSS Distributions *
6*4d495c6eSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code
7*4d495c6eSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License
8*4d495c6eSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in
9*4d495c6eSApple OSS Distributions * compliance with the License. The rights granted to you under the License
10*4d495c6eSApple OSS Distributions * may not be used to create, or enable the creation or redistribution of,
11*4d495c6eSApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to
12*4d495c6eSApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any
13*4d495c6eSApple OSS Distributions * terms of an Apple operating system software license agreement.
14*4d495c6eSApple OSS Distributions *
15*4d495c6eSApple OSS Distributions * Please obtain a copy of the License at
16*4d495c6eSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*4d495c6eSApple OSS Distributions *
18*4d495c6eSApple OSS Distributions * The Original Code and all software distributed under the License are
19*4d495c6eSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*4d495c6eSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*4d495c6eSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*4d495c6eSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*4d495c6eSApple OSS Distributions * Please see the License for the specific language governing rights and
24*4d495c6eSApple OSS Distributions * limitations under the License.
25*4d495c6eSApple OSS Distributions *
26*4d495c6eSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*4d495c6eSApple OSS Distributions */
28*4d495c6eSApple OSS Distributions
29*4d495c6eSApple OSS Distributions #ifndef __STDLIB_H__
30*4d495c6eSApple OSS Distributions #define __STDLIB_H__
31*4d495c6eSApple OSS Distributions
32*4d495c6eSApple OSS Distributions #include <sys/_types/_size_t.h>
33*4d495c6eSApple OSS Distributions #include <machine/trap.h>
34*4d495c6eSApple OSS Distributions
35*4d495c6eSApple OSS Distributions typedef struct {
36*4d495c6eSApple OSS Distributions int quot;
37*4d495c6eSApple OSS Distributions int rem;
38*4d495c6eSApple OSS Distributions } div_t;
39*4d495c6eSApple OSS Distributions
40*4d495c6eSApple OSS Distributions typedef struct {
41*4d495c6eSApple OSS Distributions long quot;
42*4d495c6eSApple OSS Distributions long rem;
43*4d495c6eSApple OSS Distributions } ldiv_t;
44*4d495c6eSApple OSS Distributions
45*4d495c6eSApple OSS Distributions typedef struct {
46*4d495c6eSApple OSS Distributions long long quot;
47*4d495c6eSApple OSS Distributions long long rem;
48*4d495c6eSApple OSS Distributions } lldiv_t;
49*4d495c6eSApple OSS Distributions
50*4d495c6eSApple OSS Distributions static inline div_t
div(int numer,int denom)51*4d495c6eSApple OSS Distributions div(int numer, int denom)
52*4d495c6eSApple OSS Distributions {
53*4d495c6eSApple OSS Distributions div_t retval;
54*4d495c6eSApple OSS Distributions
55*4d495c6eSApple OSS Distributions retval.quot = numer / denom;
56*4d495c6eSApple OSS Distributions retval.rem = numer % denom;
57*4d495c6eSApple OSS Distributions if (numer >= 0 && retval.rem < 0) {
58*4d495c6eSApple OSS Distributions retval.quot++;
59*4d495c6eSApple OSS Distributions retval.rem -= denom;
60*4d495c6eSApple OSS Distributions }
61*4d495c6eSApple OSS Distributions return retval;
62*4d495c6eSApple OSS Distributions }
63*4d495c6eSApple OSS Distributions
64*4d495c6eSApple OSS Distributions static inline ldiv_t
ldiv(long numer,long denom)65*4d495c6eSApple OSS Distributions ldiv(long numer, long denom)
66*4d495c6eSApple OSS Distributions {
67*4d495c6eSApple OSS Distributions ldiv_t retval;
68*4d495c6eSApple OSS Distributions
69*4d495c6eSApple OSS Distributions retval.quot = numer / denom;
70*4d495c6eSApple OSS Distributions retval.rem = numer % denom;
71*4d495c6eSApple OSS Distributions if (numer >= 0 && retval.rem < 0) {
72*4d495c6eSApple OSS Distributions retval.quot++;
73*4d495c6eSApple OSS Distributions retval.rem -= denom;
74*4d495c6eSApple OSS Distributions }
75*4d495c6eSApple OSS Distributions return retval;
76*4d495c6eSApple OSS Distributions }
77*4d495c6eSApple OSS Distributions
78*4d495c6eSApple OSS Distributions static inline lldiv_t
lldiv(long long numer,long long denom)79*4d495c6eSApple OSS Distributions lldiv(long long numer, long long denom)
80*4d495c6eSApple OSS Distributions {
81*4d495c6eSApple OSS Distributions lldiv_t retval;
82*4d495c6eSApple OSS Distributions
83*4d495c6eSApple OSS Distributions retval.quot = numer / denom;
84*4d495c6eSApple OSS Distributions retval.rem = numer % denom;
85*4d495c6eSApple OSS Distributions if (numer >= 0 && retval.rem < 0) {
86*4d495c6eSApple OSS Distributions retval.quot++;
87*4d495c6eSApple OSS Distributions retval.rem -= denom;
88*4d495c6eSApple OSS Distributions }
89*4d495c6eSApple OSS Distributions return retval;
90*4d495c6eSApple OSS Distributions }
91*4d495c6eSApple OSS Distributions
92*4d495c6eSApple OSS Distributions static inline void __attribute__((noreturn, cold))
abort(void)93*4d495c6eSApple OSS Distributions abort(void)
94*4d495c6eSApple OSS Distributions {
95*4d495c6eSApple OSS Distributions ml_fatal_trap(0x0800);
96*4d495c6eSApple OSS Distributions }
97*4d495c6eSApple OSS Distributions
98*4d495c6eSApple OSS Distributions #endif
99