1 /* SPDX-License-Identifier: LGPL-2.1 OR MIT */
3 * Standard definitions and types for NOLIBC
4 * Copyright (C) 2023 Vincent Dagonneau <v@vda.io>
7 #ifndef _NOLIBC_STDINT_H
8 #define _NOLIBC_STDINT_H
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;
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;
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;
42 typedef int64_t intmax_t;
43 typedef uint64_t uintmax_t;
45 /* limits of integral types */
47 #define INT8_MIN (-128)
48 #define INT16_MIN (-32767-1)
49 #define INT32_MIN (-2147483647-1)
50 #define INT64_MIN (-9223372036854775807LL-1)
52 #define INT8_MAX (127)
53 #define INT16_MAX (32767)
54 #define INT32_MAX (2147483647)
55 #define INT64_MAX (9223372036854775807LL)
57 #define UINT8_MAX (255)
58 #define UINT16_MAX (65535)
59 #define UINT32_MAX (4294967295U)
60 #define UINT64_MAX (18446744073709551615ULL)
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
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
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
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
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
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
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
99 #define INTMAX_MIN INT64_MIN
100 #define INTMAX_MAX INT64_MAX
101 #define UINTMAX_MAX UINT64_MAX
104 #define INT_MIN (-__INT_MAX__ - 1)
107 #define INT_MAX __INT_MAX__
111 #define LONG_MIN (-__LONG_MAX__ - 1)
114 #define LONG_MAX __LONG_MAX__
118 #define ULONG_MAX ((unsigned long)(__LONG_MAX__) * 2 + 1)
122 #define LLONG_MIN (-__LONG_LONG_MAX__ - 1)
125 #define LLONG_MAX __LONG_LONG_MAX__
129 #define ULLONG_MAX ((unsigned long long)(__LONG_LONG_MAX__) * 2 + 1)
132 #endif /* _NOLIBC_STDINT_H */