1 | /* |
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2 | * Copyright (c) 2004, 2005 by |
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3 | * Ralf Corsepius, Ulm/Germany. All rights reserved. |
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4 | * |
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5 | * Permission to use, copy, modify, and distribute this software |
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6 | * is freely granted, provided that this notice is preserved. |
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7 | */ |
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8 | |
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9 | /* |
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10 | * @todo - Add fast<N>_t types. |
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11 | * @todo - Add support for wint_t types. |
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12 | */ |
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13 | |
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14 | #ifndef _STDINT_H |
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15 | #define _STDINT_H |
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16 | |
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17 | #include <sys/types.h> |
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18 | #include <bits/wordsize.h> |
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19 | |
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20 | #ifdef __cplusplus |
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21 | extern "C" { |
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22 | #endif |
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23 | |
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24 | #if defined(__GNUC__) && (__GNUC__ >= 3 ) \ |
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25 | && defined(__GNUC_MINOR__) && (__GNUC_MINOR__ > 2 ) |
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26 | #define __STDINT_EXP(x) __##x##__ |
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27 | #else |
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28 | #define __STDINT_EXP(x) x |
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29 | #include <limits.h> |
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30 | #endif |
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31 | |
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32 | #if __STDINT_EXP(SCHAR_MAX) == 0x7f |
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33 | #define __int8_t_defined 1 |
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34 | #endif |
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35 | |
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36 | #if __int8_t_defined |
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37 | typedef signed char int_least8_t; |
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38 | typedef unsigned char uint_least8_t; |
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39 | #define __int_least8_t_defined 1 |
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40 | #endif |
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41 | |
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42 | #if __STDINT_EXP(SHRT_MAX) == 0x7fff |
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43 | #define __int16_t_defined 1 |
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44 | #elif __STDINT_EXP(INT_MAX) == 0x7fff |
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45 | #define __int16_t_defined 1 |
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46 | #elif __STDINT_EXP(SCHAR_MAX) == 0x7fff |
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47 | #define __int16_t_defined 1 |
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48 | #endif |
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49 | |
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50 | #if __int16_t_defined |
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51 | typedef int16_t int_least16_t; |
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52 | typedef uint16_t uint_least16_t; |
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53 | #define __int_least16_t_defined 1 |
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54 | |
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55 | #ifndef __int_least8_t_defined |
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56 | typedef int16_t int_least8_t; |
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57 | typedef uint16_t uint_least8_t; |
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58 | #define __int_least8_t_defined 1 |
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59 | #endif |
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60 | #endif |
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61 | |
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62 | #if __STDINT_EXP(INT_MAX) == 0x7fffffffL |
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63 | #define __int32_t_defined 1 |
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64 | #elif __STDINT_EXP(LONG_MAX) == 0x7fffffffL |
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65 | #define __int32_t_defined 1 |
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66 | #define __have_long32 1 |
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67 | #elif __STDINT_EXP(SHRT_MAX) == 0x7fffffffL |
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68 | #define __int32_t_defined 1 |
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69 | #elif __STDINT_EXP(SCHAR_MAX) == 0x7fffffffL |
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70 | #define __int32_t_defined 1 |
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71 | #endif |
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72 | |
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73 | #if __int32_t_defined |
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74 | typedef int32_t int_least32_t; |
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75 | typedef uint32_t uint_least32_t; |
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76 | #define __int_least32_t_defined 1 |
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77 | |
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78 | #ifndef __int_least8_t_defined |
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79 | typedef int32_t int_least8_t; |
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80 | typedef uint32_t uint_least8_t; |
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81 | #define __int_least8_t_defined 1 |
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82 | #endif |
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83 | |
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84 | #ifndef __int_least16_t_defined |
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85 | typedef int32_t int_least16_t; |
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86 | typedef uint32_t uint_least16_t; |
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87 | #define __int_least16_t_defined 1 |
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88 | #endif |
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89 | #endif |
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90 | |
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91 | /* Fast types. */ |
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92 | |
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93 | /* Signed. */ |
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94 | typedef signed char int_fast8_t; |
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95 | #if __WORDSIZE == 64 |
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96 | typedef long int int_fast16_t; |
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97 | typedef long int int_fast32_t; |
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98 | typedef long int int_fast64_t; |
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99 | #else |
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100 | typedef int int_fast16_t; |
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101 | typedef int int_fast32_t; |
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102 | __extension__ |
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103 | typedef long long int int_fast64_t; |
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104 | #endif |
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105 | |
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106 | /* Unsigned. */ |
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107 | typedef unsigned char uint_fast8_t; |
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108 | #if __WORDSIZE == 64 |
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109 | typedef unsigned long int uint_fast16_t; |
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110 | typedef unsigned long int uint_fast32_t; |
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111 | typedef unsigned long int uint_fast64_t; |
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112 | #else |
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113 | typedef unsigned int uint_fast16_t; |
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114 | typedef unsigned int uint_fast32_t; |
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115 | __extension__ |
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116 | typedef unsigned long long int uint_fast64_t; |
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117 | #endif |
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118 | |
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119 | #if __STDINT_EXP(LONG_MAX) > 0x7fffffff |
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120 | #define __int64_t_defined 1 |
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121 | #define __have_long64 1 |
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122 | #elif defined(__LONG_LONG_MAX__) && (__LONG_LONG_MAX__ > 0x7fffffff) |
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123 | #define __int64_t_defined 1 |
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124 | #define __have_longlong64 1 |
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125 | #elif defined(LLONG_MAX) && (LLONG_MAX > 0x7fffffff) |
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126 | #define __int64_t_defined 1 |
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127 | #define __have_longlong64 1 |
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128 | #elif __STDINT_EXP(INT_MAX) > 0x7fffffff |
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129 | #define __int64_t_defined 1 |
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130 | #endif |
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131 | |
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132 | #if __int64_t_defined |
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133 | typedef int64_t int_least64_t; |
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134 | typedef uint64_t uint_least64_t; |
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135 | #define __int_least64_t_defined 1 |
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136 | |
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137 | #ifndef __int_least8_t_defined |
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138 | typedef int64_t int_least8_t; |
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139 | typedef uint64_t uint_least8_t; |
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140 | #define __int_least8_t_defined 1 |
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141 | #endif |
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142 | |
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143 | #ifndef __int_least16_t_defined |
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144 | typedef int64_t int_least16_t; |
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145 | typedef uint64_t uint_least16_t; |
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146 | #define __int_least16_t_defined 1 |
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147 | #endif |
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148 | |
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149 | #ifndef __int_least32_t_defined |
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150 | typedef int64_t int_least32_t; |
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151 | typedef uint64_t uint_least32_t; |
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152 | #define __int_least32_t_defined 1 |
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153 | #endif |
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154 | #endif |
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155 | |
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156 | /* Greatest-width integer types */ |
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157 | /* Modern GCCs provide __INTMAX_TYPE__ */ |
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158 | #if defined(__INTMAX_TYPE__) |
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159 | typedef __INTMAX_TYPE__ intmax_t; |
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160 | #elif __have_longlong64 |
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161 | typedef signed long long intmax_t; |
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162 | #else |
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163 | typedef signed long intmax_t; |
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164 | #endif |
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165 | |
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166 | /* Modern GCCs provide __UINTMAX_TYPE__ */ |
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167 | #if defined(__UINTMAX_TYPE__) |
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168 | typedef __UINTMAX_TYPE__ uintmax_t; |
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169 | #elif __have_longlong64 |
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170 | typedef unsigned long long uintmax_t; |
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171 | #else |
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172 | typedef unsigned long uintmax_t; |
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173 | #endif |
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174 | |
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175 | /* Limits of Specified-Width Integer Types */ |
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176 | |
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177 | #if __int8_t_defined |
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178 | #define INT8_MIN -128 |
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179 | #define INT8_MAX 127 |
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180 | #define UINT8_MAX 255 |
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181 | #endif |
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182 | |
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183 | #if __int_least8_t_defined |
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184 | #define INT_LEAST8_MIN -128 |
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185 | #define INT_LEAST8_MAX 127 |
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186 | #define UINT_LEAST8_MAX 255 |
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187 | #else |
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188 | #error required type int_least8_t missing |
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189 | #endif |
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190 | |
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191 | #if __int16_t_defined |
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192 | #define INT16_MIN -32768 |
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193 | #define INT16_MAX 32767 |
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194 | #define UINT16_MAX 65535 |
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195 | #endif |
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196 | |
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197 | #if __int_least16_t_defined |
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198 | #define INT_LEAST16_MIN -32768 |
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199 | #define INT_LEAST16_MAX 32767 |
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200 | #define UINT_LEAST16_MAX 65535 |
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201 | #else |
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202 | #error required type int_least16_t missing |
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203 | #endif |
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204 | |
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205 | #if __int32_t_defined |
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206 | #define INT32_MIN (-2147483647-1) |
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207 | #define INT32_MAX 2147483647 |
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208 | #define UINT32_MAX 4294967295U |
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209 | #endif |
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210 | |
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211 | #if __int_least32_t_defined |
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212 | #define INT_LEAST32_MIN (-2147483647-1) |
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213 | #define INT_LEAST32_MAX 2147483647 |
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214 | #define UINT_LEAST32_MAX 4294967295U |
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215 | #else |
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216 | #error required type int_least32_t missing |
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217 | #endif |
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218 | |
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219 | #if __int64_t_defined |
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220 | #ifdef __have_long64 |
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221 | #define INT64_MIN (-9223372036854775807L-1L) |
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222 | #define INT64_MAX 9223372036854775807L |
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223 | #define UINT64_MAX 18446744073709551615U |
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224 | #elif defined(__have_longlong64) |
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225 | #define INT64_MIN (-9223372036854775807LL-1LL) |
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226 | #define INT64_MAX 9223372036854775807LL |
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227 | #define UINT64_MAX 18446744073709551615ULL |
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228 | #endif |
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229 | #endif |
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230 | |
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231 | #if __int_least64_t_defined |
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232 | #ifdef __have_long64 |
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233 | #define INT_LEAST64_MIN (-9223372036854775807L-1L) |
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234 | #define INT_LEAST64_MAX 9223372036854775807L |
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235 | #define UINT_LEAST64_MAX 18446744073709551615U |
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236 | #elif defined(__have_longlong64) |
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237 | #define INT_LEAST64_MIN (-9223372036854775807LL-1LL) |
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238 | #define INT_LEAST64_MAX 9223372036854775807LL |
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239 | #define UINT_LEAST64_MAX 18446744073709551615ULL |
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240 | #endif |
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241 | #endif |
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242 | |
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243 | /* This must match size_t in stddef.h, currently long unsigned int */ |
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244 | #define SIZE_MAX (__STDINT_EXP(LONG_MAX) * 2UL + 1) |
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245 | |
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246 | /* This must match sig_atomic_t in <signal.h> (currently int) */ |
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247 | #define SIG_ATOMIC_MIN (-__STDINT_EXP(INT_MAX) - 1) |
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248 | #define SIG_ATOMIC_MAX __STDINT_EXP(INT_MAX) |
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249 | |
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250 | /* This must match ptrdiff_t in <stddef.h> (currently long int) */ |
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251 | #define PTRDIFF_MIN (-__STDINT_EXP(LONG_MAX) - 1L) |
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252 | #define PTRDIFF_MAX __STDINT_EXP(LONG_MAX) |
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253 | |
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254 | /** Macros for minimum-width integer constant expressions */ |
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255 | #define INT8_C(x) x |
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256 | #define UINT8_C(x) x##U |
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257 | |
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258 | #define INT16_C(x) x |
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259 | #define UINT16_C(x) x##U |
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260 | |
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261 | #if __have_long32 |
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262 | #define INT32_C(x) x##L |
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263 | #define UINT32_C(x) x##UL |
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264 | #else |
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265 | #define INT32_C(x) x |
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266 | #define UINT32_C(x) x##U |
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267 | #endif |
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268 | |
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269 | #if __int64_t_defined |
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270 | #if __have_longlong64 |
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271 | #define INT64_C(x) x##LL |
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272 | #define UINT64_C(x) x##ULL |
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273 | #else |
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274 | #define INT64_C(x) x##L |
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275 | #define UINT64_C(x) x##UL |
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276 | #endif |
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277 | #endif |
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278 | |
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279 | /** Macros for greatest-width integer constant expression */ |
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280 | #if __have_longlong64 |
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281 | #define INTMAX_C(x) x##LL |
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282 | #define UINTMAX_C(x) x##ULL |
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283 | #else |
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284 | #define INTMAX_C(x) x##L |
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285 | #define UINTMAX_C(x) x##UL |
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286 | #endif |
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287 | |
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288 | |
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289 | #ifdef __cplusplus |
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290 | } |
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291 | #endif |
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292 | |
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293 | #endif /* _STDINT_H */ |
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