| 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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