1*8d741a5dSApple OSS Distributions /*
2*8d741a5dSApple OSS Distributions * Copyright (c) 2022 Apple Inc. All rights reserved.
3*8d741a5dSApple OSS Distributions *
4*8d741a5dSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*8d741a5dSApple OSS Distributions *
6*8d741a5dSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code
7*8d741a5dSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License
8*8d741a5dSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in
9*8d741a5dSApple OSS Distributions * compliance with the License. The rights granted to you under the License
10*8d741a5dSApple OSS Distributions * may not be used to create, or enable the creation or redistribution of,
11*8d741a5dSApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to
12*8d741a5dSApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any
13*8d741a5dSApple OSS Distributions * terms of an Apple operating system software license agreement.
14*8d741a5dSApple OSS Distributions *
15*8d741a5dSApple OSS Distributions * Please obtain a copy of the License at
16*8d741a5dSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*8d741a5dSApple OSS Distributions *
18*8d741a5dSApple OSS Distributions * The Original Code and all software distributed under the License are
19*8d741a5dSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*8d741a5dSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*8d741a5dSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*8d741a5dSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*8d741a5dSApple OSS Distributions * Please see the License for the specific language governing rights and
24*8d741a5dSApple OSS Distributions * limitations under the License.
25*8d741a5dSApple OSS Distributions *
26*8d741a5dSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*8d741a5dSApple OSS Distributions */
28*8d741a5dSApple OSS Distributions
29*8d741a5dSApple OSS Distributions #ifndef __STDLIB_H__
30*8d741a5dSApple OSS Distributions #define __STDLIB_H__
31*8d741a5dSApple OSS Distributions
32*8d741a5dSApple OSS Distributions #include <sys/_types/_size_t.h>
33*8d741a5dSApple OSS Distributions #include <machine/trap.h>
34*8d741a5dSApple OSS Distributions
35*8d741a5dSApple OSS Distributions typedef struct {
36*8d741a5dSApple OSS Distributions int quot;
37*8d741a5dSApple OSS Distributions int rem;
38*8d741a5dSApple OSS Distributions } div_t;
39*8d741a5dSApple OSS Distributions
40*8d741a5dSApple OSS Distributions typedef struct {
41*8d741a5dSApple OSS Distributions long quot;
42*8d741a5dSApple OSS Distributions long rem;
43*8d741a5dSApple OSS Distributions } ldiv_t;
44*8d741a5dSApple OSS Distributions
45*8d741a5dSApple OSS Distributions typedef struct {
46*8d741a5dSApple OSS Distributions long long quot;
47*8d741a5dSApple OSS Distributions long long rem;
48*8d741a5dSApple OSS Distributions } lldiv_t;
49*8d741a5dSApple OSS Distributions
50*8d741a5dSApple OSS Distributions static inline div_t
div(int numer,int denom)51*8d741a5dSApple OSS Distributions div(int numer, int denom)
52*8d741a5dSApple OSS Distributions {
53*8d741a5dSApple OSS Distributions div_t retval;
54*8d741a5dSApple OSS Distributions
55*8d741a5dSApple OSS Distributions retval.quot = numer / denom;
56*8d741a5dSApple OSS Distributions retval.rem = numer % denom;
57*8d741a5dSApple OSS Distributions if (numer >= 0 && retval.rem < 0) {
58*8d741a5dSApple OSS Distributions retval.quot++;
59*8d741a5dSApple OSS Distributions retval.rem -= denom;
60*8d741a5dSApple OSS Distributions }
61*8d741a5dSApple OSS Distributions return retval;
62*8d741a5dSApple OSS Distributions }
63*8d741a5dSApple OSS Distributions
64*8d741a5dSApple OSS Distributions static inline ldiv_t
ldiv(long numer,long denom)65*8d741a5dSApple OSS Distributions ldiv(long numer, long denom)
66*8d741a5dSApple OSS Distributions {
67*8d741a5dSApple OSS Distributions ldiv_t retval;
68*8d741a5dSApple OSS Distributions
69*8d741a5dSApple OSS Distributions retval.quot = numer / denom;
70*8d741a5dSApple OSS Distributions retval.rem = numer % denom;
71*8d741a5dSApple OSS Distributions if (numer >= 0 && retval.rem < 0) {
72*8d741a5dSApple OSS Distributions retval.quot++;
73*8d741a5dSApple OSS Distributions retval.rem -= denom;
74*8d741a5dSApple OSS Distributions }
75*8d741a5dSApple OSS Distributions return retval;
76*8d741a5dSApple OSS Distributions }
77*8d741a5dSApple OSS Distributions
78*8d741a5dSApple OSS Distributions static inline lldiv_t
lldiv(long long numer,long long denom)79*8d741a5dSApple OSS Distributions lldiv(long long numer, long long denom)
80*8d741a5dSApple OSS Distributions {
81*8d741a5dSApple OSS Distributions lldiv_t retval;
82*8d741a5dSApple OSS Distributions
83*8d741a5dSApple OSS Distributions retval.quot = numer / denom;
84*8d741a5dSApple OSS Distributions retval.rem = numer % denom;
85*8d741a5dSApple OSS Distributions if (numer >= 0 && retval.rem < 0) {
86*8d741a5dSApple OSS Distributions retval.quot++;
87*8d741a5dSApple OSS Distributions retval.rem -= denom;
88*8d741a5dSApple OSS Distributions }
89*8d741a5dSApple OSS Distributions return retval;
90*8d741a5dSApple OSS Distributions }
91*8d741a5dSApple OSS Distributions
92*8d741a5dSApple OSS Distributions static inline void __attribute__((noreturn, cold))
abort(void)93*8d741a5dSApple OSS Distributions abort(void)
94*8d741a5dSApple OSS Distributions {
95*8d741a5dSApple OSS Distributions ml_fatal_trap(0x0800);
96*8d741a5dSApple OSS Distributions }
97*8d741a5dSApple OSS Distributions
98*8d741a5dSApple OSS Distributions #endif
99