1 | /** @file
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2 | * IPRT - stdint.h wrapper (for backlevel compilers like MSC).
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3 | */
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4 |
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5 | /*
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6 | * Copyright (C) 2009 Oracle Corporation
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7 | *
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8 | * This file is part of VirtualBox Open Source Edition (OSE), as
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9 | * available from http://www.virtualbox.org. This file is free software;
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10 | * you can redistribute it and/or modify it under the terms of the GNU
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11 | * General Public License (GPL) as published by the Free Software
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12 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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13 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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14 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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15 | *
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16 | * The contents of this file may alternatively be used under the terms
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17 | * of the Common Development and Distribution License Version 1.0
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18 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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19 | * VirtualBox OSE distribution, in which case the provisions of the
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20 | * CDDL are applicable instead of those of the GPL.
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21 | *
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22 | * You may elect to license modified versions of this file under the
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23 | * terms and conditions of either the GPL or the CDDL or both.
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24 | */
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25 |
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26 | #ifndef __iprt_stdint_h
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27 | #define __iprt_stdint_h
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28 |
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29 | #include <iprt/cdefs.h>
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30 |
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31 |
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32 | /*
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33 | * Use the stdint.h on systems that have one.
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34 | */
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35 | #if !(defined(RT_OS_LINUX) && defined(__KERNEL__)) \
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36 | && !(defined(RT_OS_FREEBSD) && defined(_KERNEL)) \
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37 | && !defined(_MSC_VER) \
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38 | && !defined(__IBMC__) \
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39 | && !defined(__IBMCPP__) \
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40 | && !defined(IPRT_NO_CRT) \
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41 | && !defined(IPRT_DONT_USE_SYSTEM_STDINT_H) \
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42 | && !defined(DOXYGEN_RUNNING)
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43 |
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44 | # ifndef __STDC_CONSTANT_MACROS
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45 | # define __STDC_CONSTANT_MACROS
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46 | # endif
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47 | # ifndef __STDC_LIMIT_MACROS
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48 | # define __STDC_LIMIT_MACROS
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49 | # endif
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50 | # include <stdint.h>
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51 |
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52 | # if defined(RT_OS_DARWIN) && defined(KERNEL) && defined(RT_ARCH_AMD64)
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53 | /*
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54 | * Kludge to fix the incorrect 32-bit constant macros in
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55 | * Kernel.framework/Headers/stdin.h. uint32_t and int32_t are
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56 | * int not long as these macros use, which is significant when
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57 | * targeting AMD64. (10a222)
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58 | */
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59 | # undef INT32_C
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60 | # define INT32_C(Value) (Value)
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61 | # undef UINT32_C
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62 | # define UINT32_C(Value) (Value ## U)
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63 | # endif /* 64-bit darwin kludge. */
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64 |
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65 | #elif defined(RT_OS_FREEBSD) && defined(_KERNEL)
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66 |
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67 | # ifndef __STDC_CONSTANT_MACROS
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68 | # define __STDC_CONSTANT_MACROS
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69 | # endif
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70 | # ifndef __STDC_LIMIT_MACROS
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71 | # define __STDC_LIMIT_MACROS
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72 | # endif
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73 | # include <sys/stdint.h>
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74 |
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75 | #else /* No system stdint.h */
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76 |
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77 | /*
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78 | * Define the types we use.
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79 | * The linux kernel defines all these in linux/types.h, so skip it.
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80 | */
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81 | # if !(defined(RT_OS_LINUX) && defined(__KERNEL__)) \
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82 | || defined(IPRT_NO_CRT) \
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83 | || defined(IPRT_DONT_USE_SYSTEM_STDINT_H) \
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84 | || defined(DOXGEN_RUNNING)
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85 |
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86 | /* Simplify the [u]int64_t type detection mess. */
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87 | # undef IPRT_STDINT_USE_STRUCT_FOR_64_BIT_TYPES
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88 | # ifdef __IBMCPP__
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89 | # if __IBMCPP__ < 350 && (defined(__WINDOWS__) || defined(_AIX) || defined(__OS2__))
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90 | # defined IPRT_STDINT_USE_STRUCT_FOR_64_BIT_TYPES
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91 | # endif
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92 | # endif
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93 | # ifdef __IBMC__
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94 | # if __IBMC__ < 350 && (defined(__WINDOWS__) || defined(_AIX) || defined(__OS2__))
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95 | # defined IPRT_STDINT_USE_STRUCT_FOR_64_BIT_TYPES
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96 | # endif
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97 | # endif
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98 |
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99 | /* x-bit types */
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100 | # if defined(RT_ARCH_AMD64) || defined(RT_ARCH_X86) || defined(RT_ARCH_SPARC) || defined(RT_ARCH_SPARC64)
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101 | # if !defined(_INT8_T_DECLARED) && !defined(_INT8_T)
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102 | typedef signed char int8_t;
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103 | # endif
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104 | # if !defined(_UINT8_T_DECLARED) && !defined(_UINT8_T)
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105 | typedef unsigned char uint8_t;
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106 | # endif
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107 | # if !defined(_INT16_T_DECLARED) && !defined(_INT16_T)
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108 | typedef signed short int16_t;
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109 | # endif
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110 | # if !defined(_UINT16_T_DECLARED) && !defined(_UINT16_T)
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111 | typedef unsigned short uint16_t;
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112 | # endif
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113 | # if !defined(_INT32_T_DECLARED) && !defined(_INT32_T)
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114 | typedef signed int int32_t;
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115 | # endif
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116 | # if !defined(_UINT32_T_DECLARED) && !defined(_UINT32_T)
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117 | typedef unsigned int uint32_t;
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118 | # endif
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119 | # if defined(_MSC_VER)
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120 | # if !defined(_INT64_T_DECLARED) && !defined(_INT64_T)
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121 | typedef signed _int64 int64_t;
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122 | # endif
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123 | # if !defined(_UINT64_T_DECLARED) && !defined(_UINT64_T)
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124 | typedef unsigned _int64 uint64_t;
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125 | # endif
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126 | # elif defined(IPRT_STDINT_USE_STRUCT_FOR_64_BIT_TYPES)
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127 | # if !defined(_INT64_T_DECLARED) && !defined(_INT64_T)
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128 | typedef struct { uint32_t lo; int32_t hi; } int64_t;
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129 | # endif
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130 | # if !defined(_UINT64_T_DECLARED) && !defined(_UINT64_T)
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131 | typedef struct { uint32_t lo; uint32_t hi; } uint64_t;
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132 | # endif
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133 | # else /* Use long long for 64-bit types */
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134 | # if !defined(_INT64_T_DECLARED) && !defined(_INT64_T)
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135 | typedef signed long long int64_t;
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136 | # endif
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137 | # if !defined(_UINT64_T_DECLARED) && !defined(_UINT64_T)
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138 | typedef unsigned long long uint64_t;
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139 | # endif
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140 | # endif
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141 |
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142 | /* max integer types */
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143 | # if !defined(_INTMAX_T_DECLARED) && !defined(_INTMAX_T)
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144 | typedef int64_t intmax_t;
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145 | # endif
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146 | # if !defined(_UINTMAX_T_DECLARED) && !defined(_UINTMAX_T)
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147 | typedef uint64_t uintmax_t;
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148 | # endif
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149 |
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150 | # else
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151 | # error "PORTME: Add architecture. Don't forget to check the [U]INTx_C() and [U]INTMAX_MIN/MAX macros."
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152 | # endif
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153 |
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154 | # endif /* !linux kernel or stuff */
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155 |
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156 | /* pointer <-> integer types */
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157 | # if !defined(_MSC_VER) || defined(DOXYGEN_RUNNING)
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158 | # if ARCH_BITS == 32 \
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159 | || defined(RT_OS_LINUX) \
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160 | || defined(RT_OS_FREEBSD)
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161 | # if !defined(_INTPTR_T_DECLARED) && !defined(_INTPTR_T)
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162 | typedef signed long intptr_t;
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163 | # endif
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164 | # if !defined(_UINTPTR_T_DECLARED) && !defined(_UINTPTR_T)
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165 | typedef unsigned long uintptr_t;
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166 | # endif
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167 | # else
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168 | # if !defined(_INTPTR_T_DECLARED) && !defined(_INTPTR_T)
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169 | typedef int64_t intptr_t;
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170 | # endif
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171 | # if !defined(_UINTPTR_T_DECLARED) && !defined(_UINTPTR_T)
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172 | typedef uint64_t uintptr_t;
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173 | # endif
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174 | # endif
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175 | # endif /* !_MSC_VER */
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176 |
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177 | #endif /* no system stdint.h */
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178 |
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179 |
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180 | /*
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181 | * Make sure the [U]INTx_C(c) macros are present.
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182 | * For In C++ source the system stdint.h may have skipped these if it was
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183 | * included before we managed to define __STDC_CONSTANT_MACROS. (Kludge alert!)
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184 | */
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185 | #if !defined(INT8_C) \
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186 | || !defined(INT16_C) \
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187 | || !defined(INT32_C) \
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188 | || !defined(INT64_C) \
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189 | || !defined(INTMAX_C) \
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190 | || !defined(UINT8_C) \
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191 | || !defined(UINT16_C) \
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192 | || !defined(UINT32_C) \
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193 | || !defined(UINT64_C) \
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194 | || !defined(UINTMAX_C)
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195 | # define INT8_C(Value) (Value)
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196 | # define INT16_C(Value) (Value)
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197 | # define INT32_C(Value) (Value)
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198 | # define INT64_C(Value) (Value ## LL)
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199 | # define UINT8_C(Value) (Value)
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200 | # define UINT16_C(Value) (Value)
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201 | # define UINT32_C(Value) (Value ## U)
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202 | # define UINT64_C(Value) (Value ## ULL)
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203 | # define INTMAX_C(Value) INT64_C(Value)
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204 | # define UINTMAX_C(Value) UINT64_C(Value)
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205 | #endif
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206 |
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207 |
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208 | /*
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209 | * Make sure the INTx_MIN and [U]INTx_MAX macros are present.
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210 | * For In C++ source the system stdint.h may have skipped these if it was
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211 | * included before we managed to define __STDC_LIMIT_MACROS. (Kludge alert!)
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212 | */
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213 | #if !defined(INT8_MIN) \
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214 | || !defined(INT16_MIN) \
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215 | || !defined(INT32_MIN) \
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216 | || !defined(INT64_MIN) \
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217 | || !defined(INT8_MAX) \
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218 | || !defined(INT16_MAX) \
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219 | || !defined(INT32_MAX) \
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220 | || !defined(INT64_MAX) \
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221 | || !defined(UINT8_MAX) \
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222 | || !defined(UINT16_MAX) \
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223 | || !defined(UINT32_MAX) \
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224 | || !defined(UINT64_MAX)
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225 | # define INT8_MIN (INT8_C(-0x7f) - 1)
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226 | # define INT16_MIN (INT16_C(-0x7fff) - 1)
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227 | # define INT32_MIN (INT32_C(-0x7fffffff) - 1)
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228 | # define INT64_MIN (INT64_C(-0x7fffffffffffffff) - 1)
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229 | # define INT8_MAX INT8_C(0x7f)
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230 | # define INT16_MAX INT16_C(0x7fff)
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231 | # define INT32_MAX INT32_C(0x7fffffff)
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232 | # define INT64_MAX INT64_C(0x7fffffffffffffff)
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233 | # define UINT8_MAX UINT8_C(0xff)
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234 | # define UINT16_MAX UINT16_C(0xffff)
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235 | # define UINT32_MAX UINT32_C(0xffffffff)
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236 | # define UINT64_MAX UINT64_C(0xffffffffffffffff)
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237 |
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238 | # define INTMAX_MIN INT64_MIN
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239 | # define INTMAX_MAX INT64_MAX
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240 | # define UINTMAX_MAX UINT64_MAX
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241 | #endif
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242 |
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243 | #endif
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244 |
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