1 /* SPDX-License-Identifier: BSD-2-Clause */ 2 /* 3 * Copyright (c) 2014, STMicroelectronics International N.V. 4 */ 5 6 #include <limits.h> 7 8 /* 9 * This file provides what C99 standard requires in 10 * 7.18 interger types <stdint.h> 11 */ 12 13 #ifndef STDINT_H 14 #define STDINT_H 15 #define _STDINT_H 16 17 /* 18 * If compiler supplies neither __ILP32__ or __LP64__, try to figure it out 19 * here. 20 */ 21 #if !defined(__ILP32__) && !defined(__LP64__) 22 #if defined(__SIZEOF_INT__) && defined(__SIZEOF_POINTER__) && \ 23 defined(__SIZEOF_LONG__) 24 #if __SIZEOF_INT__ == 4 && __SIZEOF_POINTER__ == 4 && __SIZEOF_LONG__ == 4 25 #define __ILP32__ 1 26 #endif 27 #if __SIZEOF_INT__ == 4 && __SIZEOF_POINTER__ == 8 && __SIZEOF_LONG__ == 8 28 #define __LP64__ 1 29 #endif 30 #endif 31 #endif /* !defined(__ILP32__) && !defined(__LP64__) */ 32 33 #if !defined(__ILP32__) && !defined(__LP64__) 34 #error Neither __ILP32__ nor __LP64__ is defined 35 #endif 36 37 #ifndef __ASSEMBLER__ 38 39 /* 7.18.1.1 Exact-width interger types */ 40 #ifndef __int8_t_defined 41 # define __int8_t_defined 42 typedef signed char int8_t; 43 typedef short int int16_t; 44 typedef int int32_t; 45 #ifdef __ILP32__ 46 __extension__ 47 typedef long long int int64_t; 48 #endif /*__ILP32__*/ 49 #ifdef __LP64__ 50 typedef long int int64_t; 51 #endif /*__LP64__*/ 52 #endif 53 54 /* Unsigned. */ 55 typedef unsigned char uint8_t; 56 typedef unsigned short int uint16_t; 57 #ifndef __uint32_t_defined 58 typedef unsigned int uint32_t; 59 # define __uint32_t_defined 60 #endif 61 #ifdef __ILP32__ 62 __extension__ 63 typedef unsigned long long int uint64_t; 64 #endif /*__ILP32__*/ 65 #ifdef __LP64__ 66 typedef unsigned long int uint64_t; 67 #endif /*__LP64__*/ 68 69 /* 7.18.1.2 Minimum-width integer types */ 70 typedef int8_t int_least8_t; 71 typedef int16_t int_least16_t; 72 typedef int32_t int_least32_t; 73 typedef int64_t int_least64_t; 74 typedef uint8_t uint_least8_t; 75 typedef uint16_t uint_least16_t; 76 typedef uint32_t uint_least32_t; 77 typedef uint64_t uint_least64_t; 78 79 /* 7.18.1.3 Fastest minimum-width integer types */ 80 typedef int8_t int_fast8_t; 81 typedef int16_t int_fast16_t; 82 typedef int32_t int_fast32_t; 83 typedef int64_t int_fast64_t; 84 typedef uint8_t uint_fast8_t; 85 typedef uint16_t uint_fast16_t; 86 typedef uint32_t uint_fast32_t; 87 typedef uint64_t uint_fast64_t; 88 89 /* 7.18.1.4 Integer types capable of holding object pointers */ 90 typedef long intptr_t; 91 typedef unsigned long uintptr_t; 92 93 typedef int64_t intmax_t; 94 typedef uint64_t uintmax_t; 95 96 #endif /*__ASSEMBLER__*/ 97 98 /* 99 * 7.18.2 Limits of specified-width integer types 100 */ 101 102 /* 7.18.2.1 Limits of exact-width interger types */ 103 104 #define INT8_MIN (-0x7f-1) 105 #define INT16_MIN (-0x7fff-1) 106 #define INT32_MIN (-0x7fffffff-1) 107 #define INT64_MIN (-0x7fffffffffffffffL-1) 108 109 #define INT8_MAX 0x7f 110 #define INT16_MAX 0x7fff 111 #define INT32_MAX 0x7fffffff 112 #define INT64_MAX 0x7fffffffffffffffL 113 114 #define UINT8_MAX 0xff 115 #define UINT16_MAX 0xffff 116 #define UINT32_MAX 0xffffffffU 117 #define UINT64_MAX 0xffffffffffffffffUL 118 119 /* 7.18.2.2 Limits of minimum-width integer types */ 120 121 #define INT_LEAST8_MIN INT8_MIN 122 #define INT_LEAST16_MIN INT16_MIN 123 #define INT_LEAST32_MIN INT32_MIN 124 #define INT_LEAST64_MIN INT64_MIN 125 126 #define INT_LEAST8_MAX INT8_MAX 127 #define INT_LEAST16_MAX INT16_MAX 128 #define INT_LEAST32_MAX INT32_MAX 129 #define INT_LEAST64_MAX INT64_MAX 130 131 #define UINT_LEAST8_MAX UINT8_MAX 132 #define UINT_LEAST16_MAX UINT16_MAX 133 #define UINT_LEAST32_MAX UINT32_MAX 134 #define UINT_LEAST64_MAX UINT64_MAX 135 136 /* 7.18.2.3 Limits of fastest minimum-width integer types */ 137 138 #define INT_FAST8_MIN INT8_MIN 139 #define INT_FAST16_MIN INT16_MIN 140 #define INT_FAST32_MIN INT32_MIN 141 #define INT_FAST64_MIN INT64_MIN 142 143 #define INT_FAST8_MAX INT8_MAX 144 #define INT_FAST16_MAX INT16_MAX 145 #define INT_FAST32_MAX INT32_MAX 146 #define INT_FAST64_MAX INT64_MAX 147 148 #define UINT_FAST8_MAX UINT8_MAX 149 #define UINT_FAST16_MAX UINT16_MAX 150 #define UINT_FAST32_MAX UINT32_MAX 151 #define UINT_FAST64_MAX UINT64_MAX 152 153 /* 7.18.2.4 Limits of integer types capable of holding object pointers */ 154 155 #define INTPTR_MIN LONG_MIN 156 #define INTPTR_MAX LONG_MAX 157 #define UINTPTR_MAX ULONG_MAX 158 159 /* 7.18.2.5 Limits of greatest-width integer types */ 160 #define INTMAX_MAX INT64_MAX 161 #define INTMAX_MIN INT64_MIN 162 #define UINTMAX_MAX UINT64_MAX 163 164 /* 7.18.3 Limits of other integer types */ 165 #define SIZE_MAX ULONG_MAX 166 167 /* 168 * 7.18.4 Macros for integer constants 169 */ 170 171 #ifdef __ASSEMBLER__ 172 #define U(v) v 173 #define UL(v) v 174 #define ULL(v) v 175 #define L(v) v 176 #define LL(v) v 177 #else 178 #define U(v) v ## U 179 #define UL(v) v ## UL 180 #define ULL(v) v ## ULL 181 #define L(v) v ## L 182 #define LL(v) v ## LL 183 #endif 184 185 /* 7.18.4.1 Macros for minimum-width integer constants */ 186 187 #define INT8_C(v) v 188 #define UINT8_C(v) v 189 #define INT16_C(v) v 190 #define UINT16_C(v) v 191 #define INT32_C(v) v 192 #define UINT32_C(v) U(v) 193 #ifdef __ILP32__ 194 #define INT64_C(v) LL(v) 195 #define UINT64_C(v) ULL(v) 196 #endif 197 #ifdef __LP64__ 198 #define INT64_C(v) L(v) 199 #define UINT64_C(v) UL(v) 200 #endif 201 202 #define UINTPTR_C(v) UL(v) 203 204 /* 7.18.4.2 Macros for greatest-width integer constants */ 205 206 #define INTMAX_C(v) INT64_C(v) 207 #define UINTMAX_C(v) UINT64_C(v) 208 209 #endif /* STDINT_H */ 210