1 | /* Copyright (C) 1992-2015 Free Software Foundation, Inc.
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2 |
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3 | This file is part of GCC.
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4 |
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5 | GCC is free software; you can redistribute it and/or modify it under
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6 | the terms of the GNU General Public License as published by the Free
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7 | Software Foundation; either version 3, or (at your option) any later
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8 | version.
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9 |
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10 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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11 | WARRANTY; without even the implied warranty of MERCHANTABILITY or
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12 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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13 | for more details.
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14 |
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15 | Under Section 7 of GPL version 3, you are granted additional
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16 | permissions described in the GCC Runtime Library Exception, version
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17 | 3.1, as published by the Free Software Foundation.
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18 |
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19 | You should have received a copy of the GNU General Public License and
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20 | a copy of the GCC Runtime Library Exception along with this program;
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21 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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22 | <http://www.gnu.org/licenses/>. */
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23 |
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24 | /* This administrivia gets added to the beginning of limits.h
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25 | if the system has its own version of limits.h. */
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26 |
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27 | /* We use _GCC_LIMITS_H_ because we want this not to match
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28 | any macros that the system's limits.h uses for its own purposes. */
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29 | #ifndef _GCC_LIMITS_H_ /* Terminated in limity.h. */
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30 | #define _GCC_LIMITS_H_
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31 |
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32 | #ifndef _LIBC_LIMITS_H_
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33 | /* Use "..." so that we find syslimits.h only in this same directory. */
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34 | #include "syslimits.h"
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35 | #endif
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36 | /* Copyright (C) 1991-2015 Free Software Foundation, Inc.
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37 |
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38 | This file is part of GCC.
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39 |
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40 | GCC is free software; you can redistribute it and/or modify it under
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41 | the terms of the GNU General Public License as published by the Free
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42 | Software Foundation; either version 3, or (at your option) any later
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43 | version.
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44 |
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45 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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46 | WARRANTY; without even the implied warranty of MERCHANTABILITY or
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47 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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48 | for more details.
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49 |
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50 | Under Section 7 of GPL version 3, you are granted additional
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51 | permissions described in the GCC Runtime Library Exception, version
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52 | 3.1, as published by the Free Software Foundation.
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53 |
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54 | You should have received a copy of the GNU General Public License and
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55 | a copy of the GCC Runtime Library Exception along with this program;
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56 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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57 | <http://www.gnu.org/licenses/>. */
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58 |
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59 | #ifndef _LIMITS_H___
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60 | #define _LIMITS_H___
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61 |
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62 | /* Number of bits in a `char'. */
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63 | #undef CHAR_BIT
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64 | #define CHAR_BIT __CHAR_BIT__
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65 |
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66 | /* Maximum length of a multibyte character. */
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67 | #ifndef MB_LEN_MAX
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68 | #define MB_LEN_MAX 1
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69 | #endif
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70 |
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71 | /* Minimum and maximum values a `signed char' can hold. */
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72 | #undef SCHAR_MIN
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73 | #define SCHAR_MIN (-SCHAR_MAX - 1)
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74 | #undef SCHAR_MAX
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75 | #define SCHAR_MAX __SCHAR_MAX__
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76 |
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77 | /* Maximum value an `unsigned char' can hold. (Minimum is 0). */
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78 | #undef UCHAR_MAX
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79 | #if __SCHAR_MAX__ == __INT_MAX__
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80 | # define UCHAR_MAX (SCHAR_MAX * 2U + 1U)
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81 | #else
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82 | # define UCHAR_MAX (SCHAR_MAX * 2 + 1)
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83 | #endif
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84 |
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85 | /* Minimum and maximum values a `char' can hold. */
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86 | #ifdef __CHAR_UNSIGNED__
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87 | # undef CHAR_MIN
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88 | # if __SCHAR_MAX__ == __INT_MAX__
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89 | # define CHAR_MIN 0U
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90 | # else
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91 | # define CHAR_MIN 0
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92 | # endif
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93 | # undef CHAR_MAX
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94 | # define CHAR_MAX UCHAR_MAX
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95 | #else
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96 | # undef CHAR_MIN
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97 | # define CHAR_MIN SCHAR_MIN
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98 | # undef CHAR_MAX
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99 | # define CHAR_MAX SCHAR_MAX
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100 | #endif
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101 |
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102 | /* Minimum and maximum values a `signed short int' can hold. */
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103 | #undef SHRT_MIN
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104 | #define SHRT_MIN (-SHRT_MAX - 1)
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105 | #undef SHRT_MAX
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106 | #define SHRT_MAX __SHRT_MAX__
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107 |
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108 | /* Maximum value an `unsigned short int' can hold. (Minimum is 0). */
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109 | #undef USHRT_MAX
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110 | #if __SHRT_MAX__ == __INT_MAX__
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111 | # define USHRT_MAX (SHRT_MAX * 2U + 1U)
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112 | #else
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113 | # define USHRT_MAX (SHRT_MAX * 2 + 1)
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114 | #endif
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115 |
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116 | /* Minimum and maximum values a `signed int' can hold. */
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117 | #undef INT_MIN
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118 | #define INT_MIN (-INT_MAX - 1)
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119 | #undef INT_MAX
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120 | #define INT_MAX __INT_MAX__
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121 |
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122 | /* Maximum value an `unsigned int' can hold. (Minimum is 0). */
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123 | #undef UINT_MAX
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124 | #define UINT_MAX (INT_MAX * 2U + 1U)
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125 |
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126 | /* Minimum and maximum values a `signed long int' can hold.
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127 | (Same as `int'). */
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128 | #undef LONG_MIN
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129 | #define LONG_MIN (-LONG_MAX - 1L)
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130 | #undef LONG_MAX
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131 | #define LONG_MAX __LONG_MAX__
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132 |
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133 | /* Maximum value an `unsigned long int' can hold. (Minimum is 0). */
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134 | #undef ULONG_MAX
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135 | #define ULONG_MAX (LONG_MAX * 2UL + 1UL)
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136 |
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137 | #if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
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138 | /* Minimum and maximum values a `signed long long int' can hold. */
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139 | # undef LLONG_MIN
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140 | # define LLONG_MIN (-LLONG_MAX - 1LL)
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141 | # undef LLONG_MAX
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142 | # define LLONG_MAX __LONG_LONG_MAX__
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143 |
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144 | /* Maximum value an `unsigned long long int' can hold. (Minimum is 0). */
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145 | # undef ULLONG_MAX
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146 | # define ULLONG_MAX (LLONG_MAX * 2ULL + 1ULL)
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147 | #endif
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148 |
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149 | #if defined (__GNU_LIBRARY__) ? defined (__USE_GNU) : !defined (__STRICT_ANSI__)
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150 | /* Minimum and maximum values a `signed long long int' can hold. */
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151 | # undef LONG_LONG_MIN
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152 | # define LONG_LONG_MIN (-LONG_LONG_MAX - 1LL)
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153 | # undef LONG_LONG_MAX
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154 | # define LONG_LONG_MAX __LONG_LONG_MAX__
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155 |
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156 | /* Maximum value an `unsigned long long int' can hold. (Minimum is 0). */
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157 | # undef ULONG_LONG_MAX
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158 | # define ULONG_LONG_MAX (LONG_LONG_MAX * 2ULL + 1ULL)
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159 | #endif
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160 |
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161 | #endif /* _LIMITS_H___ */
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162 | /* This administrivia gets added to the end of limits.h
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163 | if the system has its own version of limits.h. */
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164 |
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165 | #else /* not _GCC_LIMITS_H_ */
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166 |
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167 | #ifdef _GCC_NEXT_LIMITS_H
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168 | #include_next <limits.h> /* recurse down to the real one */
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169 | #endif
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170 |
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171 | #endif /* not _GCC_LIMITS_H_ */
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