Andrew Davies | 0fd0e2b | 2015-08-13 13:11:37 -0700 | [diff] [blame^] | 1 | /* Copyright (C) 1992-2014 Free Software Foundation, Inc. |
| 2 | |
| 3 | This file is part of GCC. |
| 4 | |
| 5 | GCC is free software; you can redistribute it and/or modify it under |
| 6 | the terms of the GNU General Public License as published by the Free |
| 7 | Software Foundation; either version 3, or (at your option) any later |
| 8 | version. |
| 9 | |
| 10 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
| 11 | WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 12 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 13 | for more details. |
| 14 | |
| 15 | Under Section 7 of GPL version 3, you are granted additional |
| 16 | permissions described in the GCC Runtime Library Exception, version |
| 17 | 3.1, as published by the Free Software Foundation. |
| 18 | |
| 19 | You should have received a copy of the GNU General Public License and |
| 20 | a copy of the GCC Runtime Library Exception along with this program; |
| 21 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| 22 | <http://www.gnu.org/licenses/>. */ |
| 23 | |
| 24 | /* This administrivia gets added to the beginning of limits.h |
| 25 | if the system has its own version of limits.h. */ |
| 26 | |
| 27 | /* We use _GCC_LIMITS_H_ because we want this not to match |
| 28 | any macros that the system's limits.h uses for its own purposes. */ |
| 29 | #ifndef _GCC_LIMITS_H_ /* Terminated in limity.h. */ |
| 30 | #define _GCC_LIMITS_H_ |
| 31 | |
| 32 | #ifndef _LIBC_LIMITS_H_ |
| 33 | /* Use "..." so that we find syslimits.h only in this same directory. */ |
| 34 | #include "syslimits.h" |
| 35 | #endif |
| 36 | /* Copyright (C) 1991-2014 Free Software Foundation, Inc. |
| 37 | |
| 38 | This file is part of GCC. |
| 39 | |
| 40 | GCC is free software; you can redistribute it and/or modify it under |
| 41 | the terms of the GNU General Public License as published by the Free |
| 42 | Software Foundation; either version 3, or (at your option) any later |
| 43 | version. |
| 44 | |
| 45 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
| 46 | WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 47 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 48 | for more details. |
| 49 | |
| 50 | Under Section 7 of GPL version 3, you are granted additional |
| 51 | permissions described in the GCC Runtime Library Exception, version |
| 52 | 3.1, as published by the Free Software Foundation. |
| 53 | |
| 54 | You should have received a copy of the GNU General Public License and |
| 55 | a copy of the GCC Runtime Library Exception along with this program; |
| 56 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| 57 | <http://www.gnu.org/licenses/>. */ |
| 58 | |
| 59 | #ifndef _LIMITS_H___ |
| 60 | #define _LIMITS_H___ |
| 61 | |
| 62 | /* Number of bits in a `char'. */ |
| 63 | #undef CHAR_BIT |
| 64 | #define CHAR_BIT __CHAR_BIT__ |
| 65 | |
| 66 | /* Maximum length of a multibyte character. */ |
| 67 | #ifndef MB_LEN_MAX |
| 68 | #define MB_LEN_MAX 1 |
| 69 | #endif |
| 70 | |
| 71 | /* Minimum and maximum values a `signed char' can hold. */ |
| 72 | #undef SCHAR_MIN |
| 73 | #define SCHAR_MIN (-SCHAR_MAX - 1) |
| 74 | #undef SCHAR_MAX |
| 75 | #define SCHAR_MAX __SCHAR_MAX__ |
| 76 | |
| 77 | /* Maximum value an `unsigned char' can hold. (Minimum is 0). */ |
| 78 | #undef UCHAR_MAX |
| 79 | #if __SCHAR_MAX__ == __INT_MAX__ |
| 80 | # define UCHAR_MAX (SCHAR_MAX * 2U + 1U) |
| 81 | #else |
| 82 | # define UCHAR_MAX (SCHAR_MAX * 2 + 1) |
| 83 | #endif |
| 84 | |
| 85 | /* Minimum and maximum values a `char' can hold. */ |
| 86 | #ifdef __CHAR_UNSIGNED__ |
| 87 | # undef CHAR_MIN |
| 88 | # if __SCHAR_MAX__ == __INT_MAX__ |
| 89 | # define CHAR_MIN 0U |
| 90 | # else |
| 91 | # define CHAR_MIN 0 |
| 92 | # endif |
| 93 | # undef CHAR_MAX |
| 94 | # define CHAR_MAX UCHAR_MAX |
| 95 | #else |
| 96 | # undef CHAR_MIN |
| 97 | # define CHAR_MIN SCHAR_MIN |
| 98 | # undef CHAR_MAX |
| 99 | # define CHAR_MAX SCHAR_MAX |
| 100 | #endif |
| 101 | |
| 102 | /* Minimum and maximum values a `signed short int' can hold. */ |
| 103 | #undef SHRT_MIN |
| 104 | #define SHRT_MIN (-SHRT_MAX - 1) |
| 105 | #undef SHRT_MAX |
| 106 | #define SHRT_MAX __SHRT_MAX__ |
| 107 | |
| 108 | /* Maximum value an `unsigned short int' can hold. (Minimum is 0). */ |
| 109 | #undef USHRT_MAX |
| 110 | #if __SHRT_MAX__ == __INT_MAX__ |
| 111 | # define USHRT_MAX (SHRT_MAX * 2U + 1U) |
| 112 | #else |
| 113 | # define USHRT_MAX (SHRT_MAX * 2 + 1) |
| 114 | #endif |
| 115 | |
| 116 | /* Minimum and maximum values a `signed int' can hold. */ |
| 117 | #undef INT_MIN |
| 118 | #define INT_MIN (-INT_MAX - 1) |
| 119 | #undef INT_MAX |
| 120 | #define INT_MAX __INT_MAX__ |
| 121 | |
| 122 | /* Maximum value an `unsigned int' can hold. (Minimum is 0). */ |
| 123 | #undef UINT_MAX |
| 124 | #define UINT_MAX (INT_MAX * 2U + 1U) |
| 125 | |
| 126 | /* Minimum and maximum values a `signed long int' can hold. |
| 127 | (Same as `int'). */ |
| 128 | #undef LONG_MIN |
| 129 | #define LONG_MIN (-LONG_MAX - 1L) |
| 130 | #undef LONG_MAX |
| 131 | #define LONG_MAX __LONG_MAX__ |
| 132 | |
| 133 | /* Maximum value an `unsigned long int' can hold. (Minimum is 0). */ |
| 134 | #undef ULONG_MAX |
| 135 | #define ULONG_MAX (LONG_MAX * 2UL + 1UL) |
| 136 | |
| 137 | #if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L |
| 138 | /* Minimum and maximum values a `signed long long int' can hold. */ |
| 139 | # undef LLONG_MIN |
| 140 | # define LLONG_MIN (-LLONG_MAX - 1LL) |
| 141 | # undef LLONG_MAX |
| 142 | # define LLONG_MAX __LONG_LONG_MAX__ |
| 143 | |
| 144 | /* Maximum value an `unsigned long long int' can hold. (Minimum is 0). */ |
| 145 | # undef ULLONG_MAX |
| 146 | # define ULLONG_MAX (LLONG_MAX * 2ULL + 1ULL) |
| 147 | #endif |
| 148 | |
| 149 | #if defined (__GNU_LIBRARY__) ? defined (__USE_GNU) : !defined (__STRICT_ANSI__) |
| 150 | /* Minimum and maximum values a `signed long long int' can hold. */ |
| 151 | # undef LONG_LONG_MIN |
| 152 | # define LONG_LONG_MIN (-LONG_LONG_MAX - 1LL) |
| 153 | # undef LONG_LONG_MAX |
| 154 | # define LONG_LONG_MAX __LONG_LONG_MAX__ |
| 155 | |
| 156 | /* Maximum value an `unsigned long long int' can hold. (Minimum is 0). */ |
| 157 | # undef ULONG_LONG_MAX |
| 158 | # define ULONG_LONG_MAX (LONG_LONG_MAX * 2ULL + 1ULL) |
| 159 | #endif |
| 160 | |
| 161 | #endif /* _LIMITS_H___ */ |
| 162 | /* This administrivia gets added to the end of limits.h |
| 163 | if the system has its own version of limits.h. */ |
| 164 | |
| 165 | #else /* not _GCC_LIMITS_H_ */ |
| 166 | |
| 167 | #ifdef _GCC_NEXT_LIMITS_H |
| 168 | #include_next <limits.h> /* recurse down to the real one */ |
| 169 | #endif |
| 170 | |
| 171 | #endif /* not _GCC_LIMITS_H_ */ |