blob: 4f4d3306d5da80dfb21ef4e9b5fb2fc9598b4bec (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
/*
* Copyright 2015-2021 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#ifndef OSSL_INTERNAL_NUMBERS_H
# define OSSL_INTERNAL_NUMBERS_H
# pragma once
# include <limits.h>
# if (-1 & 3) == 0x03 /* Two's complement */
# define __MAXUINT__(T) ((T) -1)
# define __MAXINT__(T) ((T) ((((T) 1) << ((sizeof(T) * CHAR_BIT) - 1)) ^ __MAXUINT__(T)))
# define __MININT__(T) (-__MAXINT__(T) - 1)
# elif (-1 & 3) == 0x02 /* One's complement */
# define __MAXUINT__(T) (((T) -1) + 1)
# define __MAXINT__(T) ((T) ((((T) 1) << ((sizeof(T) * CHAR_BIT) - 1)) ^ __MAXUINT__(T)))
# define __MININT__(T) (-__MAXINT__(T))
# elif (-1 & 3) == 0x01 /* Sign/magnitude */
# define __MAXINT__(T) ((T) (((((T) 1) << ((sizeof(T) * CHAR_BIT) - 2)) - 1) | (((T) 1) << ((sizeof(T) * CHAR_BIT) - 2))))
# define __MAXUINT__(T) ((T) (__MAXINT__(T) | (((T) 1) << ((sizeof(T) * CHAR_BIT) - 1))))
# define __MININT__(T) (-__MAXINT__(T))
# else
# error "do not know the integer encoding on this architecture"
# endif
# ifndef INT8_MAX
# define INT8_MIN __MININT__(int8_t)
# define INT8_MAX __MAXINT__(int8_t)
# define UINT8_MAX __MAXUINT__(uint8_t)
# endif
# ifndef INT16_MAX
# define INT16_MIN __MININT__(int16_t)
# define INT16_MAX __MAXINT__(int16_t)
# define UINT16_MAX __MAXUINT__(uint16_t)
# endif
# ifndef INT32_MAX
# define INT32_MIN __MININT__(int32_t)
# define INT32_MAX __MAXINT__(int32_t)
# define UINT32_MAX __MAXUINT__(uint32_t)
# endif
# ifndef INT64_MAX
# define INT64_MIN __MININT__(int64_t)
# define INT64_MAX __MAXINT__(int64_t)
# define UINT64_MAX __MAXUINT__(uint64_t)
# endif
# ifndef INT128_MAX
# if defined(__SIZEOF_INT128__) && __SIZEOF_INT128__ == 16
typedef __int128_t int128_t;
typedef __uint128_t uint128_t;
# define INT128_MIN __MININT__(int128_t)
# define INT128_MAX __MAXINT__(int128_t)
# define UINT128_MAX __MAXUINT__(uint128_t)
# endif
# endif
# ifndef SIZE_MAX
# define SIZE_MAX __MAXUINT__(size_t)
# endif
# ifndef OSSL_INTMAX_MAX
# define OSSL_INTMAX_MIN __MININT__(ossl_intmax_t)
# define OSSL_INTMAX_MAX __MAXINT__(ossl_intmax_t)
# define OSSL_UINTMAX_MAX __MAXUINT__(ossl_uintmax_t)
# endif
#endif
|
