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annotate stdint.h @ 16:5ce8bdb1369f

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Better handling of (U)INTx_C macros - now they generate constants of exact width.
author ipse.c99@d525d15b-5824-0410-80a3-6185d19c2cde
date Tue, 26 Jun 2007 12:53:23 +0000
parents f831bbea3401
children 5f2b8140b2cd
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15
f831bbea3401 Fix typo: Miscrosoft -> Microsoft.
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1 // ISO C9x compliant stdint.h for Microsoft Visual Studio
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2 // Based on ISO/IEC 9899:TC2 Committee draft (May 6, 2005) WG14/N1124
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3 //
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4 // Copyright (c) 2006 Alexander Chemeris
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5 //
5
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6 // Redistribution and use in source and binary forms, with or without
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7 // modification, are permitted provided that the following conditions are met:
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8 //
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9 // 1. Redistributions of source code must retain the above copyright notice,
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10 // this list of conditions and the following disclaimer.
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11 //
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12 // 2. Redistributions in binary form must reproduce the above copyright
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13 // notice, this list of conditions and the following disclaimer in the
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14 // documentation and/or other materials provided with the distribution.
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15 //
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16 // 3. The name of the author may be used to endorse or promote products
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17 // derived from this software without specific prior written permission.
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18 //
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19 // THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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20 // WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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21 // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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22 // EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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24 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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25 // OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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26 // WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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27 // OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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28 // ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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29 //
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30 ///////////////////////////////////////////////////////////////////////////////
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31
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32 #ifndef _MSC_VER // [
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33 #error "Use this header only with Microsoft Visual C++ compilers!"
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34 #endif // _MSC_VER ]
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35
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36 #ifndef _MSC_STDINT_H_ // [
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37 #define _MSC_STDINT_H_
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38
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39 #if _MSC_VER > 1000
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40 #pragma once
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41 #endif
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42
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43 #include <limits.h>
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44
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45 // For Visual Studio 6 in C++ mode wrap <wchar.h> include with 'extern "C++" {}'
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46 // or compiler give many errors like this:
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47 // error C2733: second C linkage of overloaded function 'wmemchr' not allowed
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48 #if (_MSC_VER < 1300) && defined(__cplusplus)
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49 extern "C++" {
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50 #endif
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51 # include <wchar.h>
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52 #if (_MSC_VER < 1300) && defined(__cplusplus)
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53 }
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54 #endif
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55
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56 // 7.18.1 Integer types
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57
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58 // 7.18.1.1 Exact-width integer types
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59 typedef __int8 int8_t;
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60 typedef __int16 int16_t;
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61 typedef __int32 int32_t;
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62 typedef __int64 int64_t;
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63 typedef unsigned __int8 uint8_t;
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64 typedef unsigned __int16 uint16_t;
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65 typedef unsigned __int32 uint32_t;
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66 typedef unsigned __int64 uint64_t;
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67
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68 // 7.18.1.2 Minimum-width integer types
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69 typedef int8_t int_least8_t;
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70 typedef int16_t int_least16_t;
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71 typedef int32_t int_least32_t;
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72 typedef int64_t int_least64_t;
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73 typedef uint8_t uint_least8_t;
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74 typedef uint16_t uint_least16_t;
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75 typedef uint32_t uint_least32_t;
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76 typedef uint64_t uint_least64_t;
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77
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78 // 7.18.1.3 Fastest minimum-width integer types
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79 typedef int8_t int_fast8_t;
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80 typedef int16_t int_fast16_t;
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81 typedef int32_t int_fast32_t;
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82 typedef int64_t int_fast64_t;
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83 typedef uint8_t uint_fast8_t;
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84 typedef uint16_t uint_fast16_t;
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85 typedef uint32_t uint_fast32_t;
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86 typedef uint64_t uint_fast64_t;
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87
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88 // 7.18.1.4 Integer types capable of holding object pointers
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89 #ifdef _WIN64 // [
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90 typedef __int64 intptr_t;
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91 typedef unsigned __int64 uintptr_t;
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92 #else // _WIN64 ][
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93 typedef int intptr_t;
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94 typedef unsigned int uintptr_t;
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95 #endif // _WIN64 ]
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96
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97 // 7.18.1.5 Greatest-width integer types
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98 typedef int64_t intmax_t;
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99 typedef uint64_t uintmax_t;
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100
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101
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102 // 7.18.2 Limits of specified-width integer types
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103
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104 #if !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS) // [ See footnote 220 at page 257 and footnote 221 at page 259
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105
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106 // 7.18.2.1 Limits of exact-width integer types
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107 #define INT8_MIN _I8_MIN
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108 #define INT8_MAX _I8_MAX
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109 #define INT16_MIN _I16_MIN
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110 #define INT16_MAX _I16_MAX
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111 #define INT32_MIN _I32_MIN
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112 #define INT32_MAX _I32_MAX
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113 #define INT64_MIN _I64_MIN
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114 #define INT64_MAX _I64_MAX
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115 #define UINT8_MAX _UI8_MAX
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116 #define UINT16_MAX _UI16_MAX
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117 #define UINT32_MAX _UI32_MAX
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118 #define UINT64_MAX _UI64_MAX
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119
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120 // 7.18.2.2 Limits of minimum-width integer types
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121 #define INT_LEAST8_MIN INT8_MIN
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122 #define INT_LEAST8_MAX INT8_MAX
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123 #define INT_LEAST16_MIN INT16_MIN
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124 #define INT_LEAST16_MAX INT16_MAX
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125 #define INT_LEAST32_MIN INT32_MIN
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126 #define INT_LEAST32_MAX INT32_MAX
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127 #define INT_LEAST64_MIN INT64_MIN
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128 #define INT_LEAST64_MAX INT64_MAX
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129 #define UINT_LEAST8_MAX UINT8_MAX
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130 #define UINT_LEAST16_MAX UINT16_MAX
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131 #define UINT_LEAST32_MAX UINT32_MAX
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132 #define UINT_LEAST64_MAX UINT64_MAX
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133
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134 // 7.18.2.3 Limits of fastest minimum-width integer types
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135 #define INT_FAST8_MIN INT8_MIN
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136 #define INT_FAST8_MAX INT8_MAX
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137 #define INT_FAST16_MIN INT16_MIN
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138 #define INT_FAST16_MAX INT16_MAX
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139 #define INT_FAST32_MIN INT32_MIN
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140 #define INT_FAST32_MAX INT32_MAX
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141 #define INT_FAST64_MIN INT64_MIN
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142 #define INT_FAST64_MAX INT64_MAX
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143 #define UINT_FAST8_MAX UINT8_MAX
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144 #define UINT_FAST16_MAX UINT16_MAX
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145 #define UINT_FAST32_MAX UINT32_MAX
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146 #define UINT_FAST64_MAX UINT64_MAX
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147
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148 // 7.18.2.4 Limits of integer types capable of holding object pointers
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149 #ifdef _WIN64 // [
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150 # define INTPTR_MIN INT64_MIN
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151 # define INTPTR_MAX INT64_MAX
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152 # define UINTPTR_MAX UINT64_MAX
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153 #else // _WIN64 ][
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154 # define INTPTR_MIN INT32_MIN
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155 # define INTPTR_MAX INT32_MAX
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156 # define UINTPTR_MAX UINT32_MAX
0
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157 #endif // _WIN64 ]
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158
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159 // 7.18.2.5 Limits of greatest-width integer types
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160 #define INTMAX_MIN INT64_MIN
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161 #define INTMAX_MAX INT64_MAX
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162 #define UINTMAX_MAX UINT64_MAX
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163
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164 // 7.18.3 Limits of other integer types
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165
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166 #ifdef _WIN64 // [
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167 # define PTRDIFF_MIN _I64_MIN
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168 # define PTRDIFF_MAX _I64_MAX
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169 #else // _WIN64 ][
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170 # define PTRDIFF_MIN _I32_MIN
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171 # define PTRDIFF_MAX _I32_MAX
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172 #endif // _WIN64 ]
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173
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174 #define SIG_ATOMIC_MIN INT_MIN
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175 #define SIG_ATOMIC_MAX INT_MAX
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176
6
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177 #ifndef SIZE_MAX // [
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178 # ifdef _WIN64 // [
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179 # define SIZE_MAX _UI64_MAX
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180 # else // _WIN64 ][
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181 # define SIZE_MAX _UI32_MAX
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182 # endif // _WIN64 ]
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183 #endif // SIZE_MAX ]
0
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184
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185 // WCHAR_MIN and WCHAR_MAX are also defined in <wchar.h>
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186 #ifndef WCHAR_MIN // [
6
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187 # define WCHAR_MIN 0
0
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188 #endif // WCHAR_MIN ]
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189 #ifndef WCHAR_MAX // [
6
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190 # define WCHAR_MAX _UI16_MAX
0
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191 #endif // WCHAR_MAX ]
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192
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193 #define WINT_MIN 0
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194 #define WINT_MAX _UI16_MAX
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195
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196 #endif // __STDC_LIMIT_MACROS ]
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197
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198
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199 // 7.18.4 Limits of other integer types
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200
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201 #if !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS) // [ See footnote 224 at page 260
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202
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203 // 7.18.4.1 Macros for minimum-width integer constants
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204
16
5ce8bdb1369f Better handling of (U)INTx_C macros - now they generate constants of exact width.
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205 #define INT8_C(val) val##i8
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206 #define INT16_C(val) val##i16
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207 #define INT32_C(val) val##i32
0
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208 #define INT64_C(val) val##i64
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209
16
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210 #define UINT8_C(val) val##ui8
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211 #define UINT16_C(val) val##ui16
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212 #define UINT32_C(val) val##ui32
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213 #define UINT64_C(val) val##ui64
0
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214
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215 // 7.18.4.2 Macros for greatest-width integer constants
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216 #define INTMAX_C INT64_C
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217 #define UINTMAX_C UINT64_C
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218
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219 #endif // __STDC_CONSTANT_MACROS ]
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220
85c12d7e8144 Initial check in.
alexander.chemeris@d525d15b-5824-0410-80a3-6185d19c2cde
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221
85c12d7e8144 Initial check in.
alexander.chemeris@d525d15b-5824-0410-80a3-6185d19c2cde
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222 #endif // _MSC_STDINT_H_ ]