1 /* SPDX-License-Identifier: LGPL-2.1 OR MIT */ 2 /* 3 * Standard definitions and types for NOLIBC 4 * Copyright (C) 2023 Vincent Dagonneau <v@vda.io> 5 */ 6 7 #ifndef _NOLIBC_STDINT_H 8 #define _NOLIBC_STDINT_H 9 10 typedef unsigned char uint8_t; 11 typedef signed char int8_t; 12 typedef unsigned short uint16_t; 13 typedef signed short int16_t; 14 typedef unsigned int uint32_t; 15 typedef signed int int32_t; 16 typedef unsigned long long uint64_t; 17 typedef signed long long int64_t; 18 typedef __SIZE_TYPE__ size_t; 19 typedef signed long ssize_t; 20 typedef unsigned long uintptr_t; 21 typedef signed long intptr_t; 22 typedef signed long ptrdiff_t; 23 24 typedef int8_t int_least8_t; 25 typedef uint8_t uint_least8_t; 26 typedef int16_t int_least16_t; 27 typedef uint16_t uint_least16_t; 28 typedef int32_t int_least32_t; 29 typedef uint32_t uint_least32_t; 30 typedef int64_t int_least64_t; 31 typedef uint64_t uint_least64_t; 32 33 typedef int8_t int_fast8_t; 34 typedef uint8_t uint_fast8_t; 35 typedef ssize_t int_fast16_t; 36 typedef size_t uint_fast16_t; 37 typedef ssize_t int_fast32_t; 38 typedef size_t uint_fast32_t; 39 typedef int64_t int_fast64_t; 40 typedef uint64_t uint_fast64_t; 41 42 typedef int64_t intmax_t; 43 typedef uint64_t uintmax_t; 44 45 /* limits of integral types */ 46 47 #define INT8_MIN (-128) 48 #define INT16_MIN (-32767-1) 49 #define INT32_MIN (-2147483647-1) 50 #define INT64_MIN (-9223372036854775807LL-1) 51 52 #define INT8_MAX (127) 53 #define INT16_MAX (32767) 54 #define INT32_MAX (2147483647) 55 #define INT64_MAX (9223372036854775807LL) 56 57 #define UINT8_MAX (255) 58 #define UINT16_MAX (65535) 59 #define UINT32_MAX (4294967295U) 60 #define UINT64_MAX (18446744073709551615ULL) 61 62 #define INT_LEAST8_MIN INT8_MIN 63 #define INT_LEAST16_MIN INT16_MIN 64 #define INT_LEAST32_MIN INT32_MIN 65 #define INT_LEAST64_MIN INT64_MIN 66 67 #define INT_LEAST8_MAX INT8_MAX 68 #define INT_LEAST16_MAX INT16_MAX 69 #define INT_LEAST32_MAX INT32_MAX 70 #define INT_LEAST64_MAX INT64_MAX 71 72 #define UINT_LEAST8_MAX UINT8_MAX 73 #define UINT_LEAST16_MAX UINT16_MAX 74 #define UINT_LEAST32_MAX UINT32_MAX 75 #define UINT_LEAST64_MAX UINT64_MAX 76 77 #define SIZE_MAX ((size_t)(__LONG_MAX__) * 2 + 1) 78 #define INTPTR_MIN (-__LONG_MAX__ - 1) 79 #define INTPTR_MAX __LONG_MAX__ 80 #define PTRDIFF_MIN INTPTR_MIN 81 #define PTRDIFF_MAX INTPTR_MAX 82 #define UINTPTR_MAX SIZE_MAX 83 84 #define INT_FAST8_MIN INT8_MIN 85 #define INT_FAST16_MIN INTPTR_MIN 86 #define INT_FAST32_MIN INTPTR_MIN 87 #define INT_FAST64_MIN INT64_MIN 88 89 #define INT_FAST8_MAX INT8_MAX 90 #define INT_FAST16_MAX INTPTR_MAX 91 #define INT_FAST32_MAX INTPTR_MAX 92 #define INT_FAST64_MAX INT64_MAX 93 94 #define UINT_FAST8_MAX UINT8_MAX 95 #define UINT_FAST16_MAX SIZE_MAX 96 #define UINT_FAST32_MAX SIZE_MAX 97 #define UINT_FAST64_MAX UINT64_MAX 98 99 #define INTMAX_MIN INT64_MIN 100 #define INTMAX_MAX INT64_MAX 101 #define UINTMAX_MAX UINT64_MAX 102 103 #ifndef INT_MIN 104 #define INT_MIN (-__INT_MAX__ - 1) 105 #endif 106 #ifndef INT_MAX 107 #define INT_MAX __INT_MAX__ 108 #endif 109 110 #ifndef LONG_MIN 111 #define LONG_MIN (-__LONG_MAX__ - 1) 112 #endif 113 #ifndef LONG_MAX 114 #define LONG_MAX __LONG_MAX__ 115 #endif 116 117 #ifndef ULONG_MAX 118 #define ULONG_MAX ((unsigned long)(__LONG_MAX__) * 2 + 1) 119 #endif 120 121 #ifndef LLONG_MIN 122 #define LLONG_MIN (-__LONG_LONG_MAX__ - 1) 123 #endif 124 #ifndef LLONG_MAX 125 #define LLONG_MAX __LONG_LONG_MAX__ 126 #endif 127 128 #ifndef ULLONG_MAX 129 #define ULLONG_MAX ((unsigned long long)(__LONG_LONG_MAX__) * 2 + 1) 130 #endif 131 132 #endif /* _NOLIBC_STDINT_H */ 133