blob: d06ed42a11f92bb197b191be44c74582960ea126 (
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
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
/*
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or copy at
* http://www.boost.org/LICENSE_1_0.txt)
*
* Copyright (c) 2014 Andrey Semashev
*/
/*!
* \file atomic/detail/int_sizes.hpp
*
* This header defines macros for testing buitin integer type sizes
*/
#ifndef BOOST_ATOMIC_DETAIL_INT_SIZES_HPP_INCLUDED_
#define BOOST_ATOMIC_DETAIL_INT_SIZES_HPP_INCLUDED_
#include <boost/atomic/detail/config.hpp>
#ifdef BOOST_HAS_PRAGMA_ONCE
#pragma once
#endif
// GCC and compatible compilers define internal macros with builtin type traits
#if defined(__SIZEOF_SHORT__)
#define BOOST_ATOMIC_DETAIL_SIZEOF_SHORT __SIZEOF_SHORT__
#endif
#if defined(__SIZEOF_INT__)
#define BOOST_ATOMIC_DETAIL_SIZEOF_INT __SIZEOF_INT__
#endif
#if defined(__SIZEOF_LONG__)
#define BOOST_ATOMIC_DETAIL_SIZEOF_LONG __SIZEOF_LONG__
#endif
#if defined(__SIZEOF_LONG_LONG__)
#define BOOST_ATOMIC_DETAIL_SIZEOF_LLONG __SIZEOF_LONG_LONG__
#endif
#if defined(__SIZEOF_WCHAR_T__)
#define BOOST_ATOMIC_DETAIL_SIZEOF_WCHAR_T __SIZEOF_WCHAR_T__
#endif
#if defined(__SIZEOF_POINTER__)
#define BOOST_ATOMIC_DETAIL_SIZEOF_POINTER __SIZEOF_POINTER__
#elif defined(_MSC_VER)
#if defined(_M_AMD64) || defined(_M_IA64)
#define BOOST_ATOMIC_DETAIL_SIZEOF_POINTER 8
#else
#define BOOST_ATOMIC_DETAIL_SIZEOF_POINTER 4
#endif
#endif
#if !defined(BOOST_ATOMIC_DETAIL_SIZEOF_SHORT) || !defined(BOOST_ATOMIC_DETAIL_SIZEOF_INT) ||\
!defined(BOOST_ATOMIC_DETAIL_SIZEOF_LONG) || !defined(BOOST_ATOMIC_DETAIL_SIZEOF_LLONG)
// Try to deduce sizes from limits
#include <limits.h>
#include <boost/cstdint.hpp>
#if (USHRT_MAX + 0) == 0xff
#define BOOST_ATOMIC_DETAIL_SIZEOF_SHORT 1
#elif (USHRT_MAX + 0) == 0xffff
#define BOOST_ATOMIC_DETAIL_SIZEOF_SHORT 2
#elif (USHRT_MAX + 0) == 0xffffffff
#define BOOST_ATOMIC_DETAIL_SIZEOF_SHORT 4
#elif (USHRT_MAX + 0) == UINT64_C(0xffffffffffffffff)
#define BOOST_ATOMIC_DETAIL_SIZEOF_SHORT 8
#endif
#if (UINT_MAX + 0) == 0xff
#define BOOST_ATOMIC_DETAIL_SIZEOF_INT 1
#elif (UINT_MAX + 0) == 0xffff
#define BOOST_ATOMIC_DETAIL_SIZEOF_INT 2
#elif (UINT_MAX + 0) == 0xffffffff
#define BOOST_ATOMIC_DETAIL_SIZEOF_INT 4
#elif (UINT_MAX + 0) == UINT64_C(0xffffffffffffffff)
#define BOOST_ATOMIC_DETAIL_SIZEOF_INT 8
#endif
#if (ULONG_MAX + 0) == 0xff
#define BOOST_ATOMIC_DETAIL_SIZEOF_LONG 1
#elif (ULONG_MAX + 0) == 0xffff
#define BOOST_ATOMIC_DETAIL_SIZEOF_LONG 2
#elif (ULONG_MAX + 0) == 0xffffffff
#define BOOST_ATOMIC_DETAIL_SIZEOF_LONG 4
#elif (ULONG_MAX + 0) == UINT64_C(0xffffffffffffffff)
#define BOOST_ATOMIC_DETAIL_SIZEOF_LONG 8
#endif
#if defined(__hpux) // HP-UX's value of ULONG_LONG_MAX is unusable in preprocessor expressions
#define BOOST_ATOMIC_DETAIL_SIZEOF_LLONG 8
#else
// The list of the non-standard macros (the ones except ULLONG_MAX) is taken from cstdint.hpp
#if defined(ULLONG_MAX)
#define BOOST_ATOMIC_DETAIL_ULLONG_MAX ULLONG_MAX
#elif defined(ULONG_LONG_MAX)
#define BOOST_ATOMIC_DETAIL_ULLONG_MAX ULONG_LONG_MAX
#elif defined(ULONGLONG_MAX)
#define BOOST_ATOMIC_DETAIL_ULLONG_MAX ULONGLONG_MAX
#elif defined(_LLONG_MAX) // strangely enough, this one seems to be holding the limit for the unsigned integer
#define BOOST_ATOMIC_DETAIL_ULLONG_MAX _LLONG_MAX
#endif
#if (BOOST_ATOMIC_DETAIL_ULLONG_MAX + 0) == 0xff
#define BOOST_ATOMIC_DETAIL_SIZEOF_LLONG 1
#elif (BOOST_ATOMIC_DETAIL_ULLONG_MAX + 0) == 0xffff
#define BOOST_ATOMIC_DETAIL_SIZEOF_LLONG 2
#elif (BOOST_ATOMIC_DETAIL_ULLONG_MAX + 0) == 0xffffffff
#define BOOST_ATOMIC_DETAIL_SIZEOF_LLONG 4
#elif (BOOST_ATOMIC_DETAIL_ULLONG_MAX + 0) == UINT64_C(0xffffffffffffffff)
#define BOOST_ATOMIC_DETAIL_SIZEOF_LLONG 8
#endif
#endif // defined(__hpux)
#endif
#if !defined(BOOST_ATOMIC_DETAIL_SIZEOF_WCHAR_T)
#include <wchar.h>
#include <boost/cstdint.hpp>
#if defined(_MSC_VER) && _MSC_VER <= 1310
// MSVC 7.1 defines WCHAR_MAX to a value not suitable for constant expressions
#define BOOST_ATOMIC_DETAIL_SIZEOF_WCHAR_T 2
#elif (WCHAR_MAX + 0) == 0xff || (WCHAR_MAX + 0) == 0x7f
#define BOOST_ATOMIC_DETAIL_SIZEOF_WCHAR_T 1
#elif (WCHAR_MAX + 0) == 0xffff || (WCHAR_MAX + 0) == 0x7fff
#define BOOST_ATOMIC_DETAIL_SIZEOF_WCHAR_T 2
#elif (WCHAR_MAX + 0) == 0xffffffff || (WCHAR_MAX + 0) == 0x7fffffff
#define BOOST_ATOMIC_DETAIL_SIZEOF_WCHAR_T 4
#elif (WCHAR_MAX + 0) == UINT64_C(0xffffffffffffffff) || (WCHAR_MAX + 0) == INT64_C(0x7fffffffffffffff)
#define BOOST_ATOMIC_DETAIL_SIZEOF_WCHAR_T 8
#endif
#endif
#if !defined(BOOST_ATOMIC_DETAIL_SIZEOF_SHORT) || !defined(BOOST_ATOMIC_DETAIL_SIZEOF_INT) ||\
!defined(BOOST_ATOMIC_DETAIL_SIZEOF_LONG) || !defined(BOOST_ATOMIC_DETAIL_SIZEOF_LLONG) ||\
!defined(BOOST_ATOMIC_DETAIL_SIZEOF_WCHAR_T)
#error Boost.Atomic: Failed to determine builtin integer sizes, the target platform is not supported. Please, report to the developers.
#endif
#endif // BOOST_ATOMIC_DETAIL_INT_SIZES_HPP_INCLUDED_
|
Swift