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