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 | #ifndef _SYS__INTSUP_H |
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10 | #define _SYS__INTSUP_H |
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11 | |
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12 | #include <sys/features.h> |
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13 | |
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14 | #if __GNUC_PREREQ (3, 2) |
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15 | /* gcc > 3.2 implicitly defines the values we are interested */ |
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16 | #define __STDINT_EXP(x) __##x##__ |
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17 | #else |
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18 | #define __STDINT_EXP(x) x |
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19 | #include <limits.h> |
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20 | #endif |
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21 | |
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22 | /* Determine how intptr_t and intN_t fastN_t and leastN_t are defined by gcc |
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23 | for this target. This is used to determine the correct printf() constant in |
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24 | inttypes.h and other constants in stdint.h. |
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25 | So we end up with |
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26 | ?(signed|unsigned) char == 0 |
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27 | ?(signed|unsigned) short == 1 |
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28 | ?(signed|unsigned) int == 2 |
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29 | ?(signed|unsigned) short int == 3 |
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30 | ?(signed|unsigned) long == 4 |
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31 | ?(signed|unsigned) long int == 6 |
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32 | ?(signed|unsigned) long long == 8 |
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33 | ?(signed|unsigned) long long int == 10 |
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34 | */ |
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35 | #pragma push_macro("signed") |
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36 | #pragma push_macro("unsigned") |
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37 | #pragma push_macro("char") |
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38 | #pragma push_macro("short") |
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39 | #pragma push_macro("__int20") |
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40 | #pragma push_macro("int") |
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41 | #pragma push_macro("long") |
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42 | #undef signed |
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43 | #undef unsigned |
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44 | #undef char |
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45 | #undef short |
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46 | #undef int |
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47 | #undef __int20 |
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48 | #undef long |
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49 | #define signed +0 |
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50 | #define unsigned +0 |
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51 | #define char +0 |
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52 | #define short +1 |
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53 | #define __int20 +2 |
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54 | #define int +2 |
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55 | #define long +4 |
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56 | #if (__INTPTR_TYPE__ == 8 || __INTPTR_TYPE__ == 10) |
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57 | #define _INTPTR_EQ_LONGLONG |
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58 | #elif (__INTPTR_TYPE__ == 4 || __INTPTR_TYPE__ == 6) |
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59 | #define _INTPTR_EQ_LONG |
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60 | /* Note - the tests for _INTPTR_EQ_INT and _INTPTR_EQ_SHORT are currently |
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61 | redundant as the values are not used. But one day they may be needed |
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62 | and so the tests remain. */ |
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63 | #elif __INTPTR_TYPE__ == 2 |
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64 | #define _INTPTR_EQ_INT |
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65 | #elif (__INTPTR_TYPE__ == 1 || __INTPTR_TYPE__ == 3) |
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66 | #define _INTPTR_EQ_SHORT |
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67 | #else |
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68 | #error "Unable to determine type definition of intptr_t" |
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69 | #endif |
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70 | #if (__INT32_TYPE__ == 4 || __INT32_TYPE__ == 6) |
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71 | #define _INT32_EQ_LONG |
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72 | #elif __INT32_TYPE__ == 2 |
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73 | /* Nothing to define because int32_t is safe to print as an int. */ |
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74 | #else |
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75 | #error "Unable to determine type definition of int32_t" |
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76 | #endif |
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77 | |
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78 | #if (__INT8_TYPE__ == 0) |
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79 | #define __INT8 "hh" |
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80 | #elif (__INT8_TYPE__ == 1 || __INT8_TYPE__ == 3) |
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81 | #define __INT8 "h" |
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82 | #elif (__INT8_TYPE__ == 2) |
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83 | #define __INT8 |
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84 | #elif (__INT8_TYPE__ == 4 || __INT8_TYPE__ == 6) |
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85 | #define __INT8 "l" |
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86 | #elif (__INT8_TYPE__ == 8 || __INT8_TYPE__ == 10) |
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87 | #define __INT8 "ll" |
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88 | #endif |
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89 | #if (__INT16_TYPE__ == 1 || __INT16_TYPE__ == 3) |
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90 | #define __INT16 "h" |
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91 | #elif (__INT16_TYPE__ == 2) |
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92 | #define __INT16 |
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93 | #elif (__INT16_TYPE__ == 4 || __INT16_TYPE__ == 6) |
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94 | #define __INT16 "l" |
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95 | #elif (__INT16_TYPE__ == 8 || __INT16_TYPE__ == 10) |
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96 | #define __INT16 "ll" |
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97 | #endif |
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98 | #if (__INT32_TYPE__ == 2) |
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99 | #define __INT32 |
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100 | #elif (__INT32_TYPE__ == 4 || __INT32_TYPE__ == 6) |
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101 | #define __INT32 "l" |
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102 | #elif (__INT32_TYPE__ == 8 || __INT32_TYPE__ == 10) |
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103 | #define __INT32 "ll" |
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104 | #endif |
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105 | #if (__INT64_TYPE__ == 2) |
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106 | #define __INT64 |
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107 | #elif (__INT64_TYPE__ == 4 || __INT64_TYPE__ == 6) |
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108 | #define __INT64 "l" |
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109 | #elif (__INT64_TYPE__ == 8 || __INT64_TYPE__ == 10) |
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110 | #define __INT64 "ll" |
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111 | #endif |
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112 | #if (__INT_FAST8_TYPE__ == 0) |
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113 | #define __FAST8 "hh" |
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114 | #elif (__INT_FAST8_TYPE__ == 1 || __INT_FAST8_TYPE__ == 3) |
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115 | #define __FAST8 "h" |
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116 | #elif (__INT_FAST8_TYPE__ == 2) |
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117 | #define __FAST8 |
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118 | #elif (__INT_FAST8_TYPE__ == 4 || __INT_FAST8_TYPE__ == 6) |
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119 | #define __FAST8 "l" |
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120 | #elif (__INT_FAST8_TYPE__ == 8 || __INT_FAST8_TYPE__ == 10) |
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121 | #define __FAST8 "ll" |
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122 | #endif |
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123 | #if (__INT_FAST16_TYPE__ == 1 || __INT_FAST16_TYPE__ == 3) |
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124 | #define __FAST16 "h" |
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125 | #elif (__INT_FAST16_TYPE__ == 2) |
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126 | #define __FAST16 |
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127 | #elif (__INT_FAST16_TYPE__ == 4 || __INT_FAST16_TYPE__ == 6) |
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128 | #define __FAST16 "l" |
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129 | #elif (__INT_FAST16_TYPE__ == 8 || __INT_FAST16_TYPE__ == 10) |
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130 | #define __FAST16 "ll" |
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131 | #endif |
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132 | #if (__INT_FAST32_TYPE__ == 2) |
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133 | #define __FAST32 |
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134 | #elif (__INT_FAST32_TYPE__ == 4 || __INT_FAST32_TYPE__ == 6) |
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135 | #define __FAST32 "l" |
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136 | #elif (__INT_FAST32_TYPE__ == 8 || __INT_FAST32_TYPE__ == 10) |
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137 | #define __FAST32 "ll" |
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138 | #endif |
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139 | #if (__INT_FAST64_TYPE__ == 2) |
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140 | #define __FAST64 |
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141 | #elif (__INT_FAST64_TYPE__ == 4 || __INT_FAST64_TYPE__ == 6) |
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142 | #define __FAST64 "l" |
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143 | #elif (__INT_FAST64_TYPE__ == 8 || __INT_FAST64_TYPE__ == 10) |
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144 | #define __FAST64 "ll" |
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145 | #endif |
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146 | |
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147 | #if (__INT_LEAST8_TYPE__ == 0) |
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148 | #define __LEAST8 "hh" |
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149 | #elif (__INT_LEAST8_TYPE__ == 1 || __INT_LEAST8_TYPE__ == 3) |
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150 | #define __LEAST8 "h" |
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151 | #elif (__INT_LEAST8_TYPE__ == 2) |
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152 | #define __LEAST8 |
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153 | #elif (__INT_LEAST8_TYPE__ == 4 || __INT_LEAST8_TYPE__ == 6) |
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154 | #define __LEAST8 "l" |
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155 | #elif (__INT_LEAST8_TYPE__ == 8 || __INT_LEAST8_TYPE__ == 10) |
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156 | #define __LEAST8 "ll" |
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157 | #endif |
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158 | #if (__INT_LEAST16_TYPE__ == 1 || __INT_LEAST16_TYPE__ == 3) |
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159 | #define __LEAST16 "h" |
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160 | #elif (__INT_LEAST16_TYPE__ == 2) |
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161 | #define __LEAST16 |
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162 | #elif (__INT_LEAST16_TYPE__ == 4 || __INT_LEAST16_TYPE__ == 6) |
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163 | #define __LEAST16 "l" |
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164 | #elif (__INT_LEAST16_TYPE__ == 8 || __INT_LEAST16_TYPE__ == 10) |
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165 | #define __LEAST16 "ll" |
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166 | #endif |
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167 | #if (__INT_LEAST32_TYPE__ == 2) |
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168 | #define __LEAST32 |
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169 | #elif (__INT_LEAST32_TYPE__ == 4 || __INT_LEAST32_TYPE__ == 6) |
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170 | #define __LEAST32 "l" |
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171 | #elif (__INT_LEAST32_TYPE__ == 8 || __INT_LEAST32_TYPE__ == 10) |
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172 | #define __LEAST32 "ll" |
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173 | #endif |
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174 | #if (__INT_LEAST64_TYPE__ == 2) |
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175 | #define __LEAST64 |
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176 | #elif (__INT_LEAST64_TYPE__ == 4 || __INT_LEAST64_TYPE__ == 6) |
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177 | #define __LEAST64 "l" |
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178 | #elif (__INT_LEAST64_TYPE__ == 8 || __INT_LEAST64_TYPE__ == 10) |
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179 | #define __LEAST64 "ll" |
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180 | #endif |
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181 | #undef signed |
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182 | #undef unsigned |
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183 | #undef char |
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184 | #undef short |
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185 | #undef int |
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186 | #undef long |
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187 | #pragma pop_macro("signed") |
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188 | #pragma pop_macro("unsigned") |
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189 | #pragma pop_macro("char") |
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190 | #pragma pop_macro("short") |
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191 | #pragma pop_macro("__int20") |
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192 | #pragma pop_macro("int") |
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193 | #pragma pop_macro("long") |
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194 | |
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195 | #endif /* _SYS__INTSUP_H */ |
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