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
10typedef unsigned char       uint8_t;
11typedef   signed char        int8_t;
12typedef unsigned short     uint16_t;
13typedef   signed short      int16_t;
14typedef unsigned int       uint32_t;
15typedef   signed int        int32_t;
16typedef unsigned long long uint64_t;
17typedef   signed long long  int64_t;
18typedef __SIZE_TYPE__        size_t;
19typedef   signed long       ssize_t;
20typedef unsigned long     uintptr_t;
21typedef   signed long      intptr_t;
22typedef   signed long     ptrdiff_t;
23
24typedef   int8_t       int_least8_t;
25typedef  uint8_t      uint_least8_t;
26typedef  int16_t      int_least16_t;
27typedef uint16_t     uint_least16_t;
28typedef  int32_t      int_least32_t;
29typedef uint32_t     uint_least32_t;
30typedef  int64_t      int_least64_t;
31typedef uint64_t     uint_least64_t;
32
33typedef   int8_t        int_fast8_t;
34typedef  uint8_t       uint_fast8_t;
35typedef  ssize_t       int_fast16_t;
36typedef   size_t      uint_fast16_t;
37typedef  ssize_t       int_fast32_t;
38typedef   size_t      uint_fast32_t;
39typedef  int64_t       int_fast64_t;
40typedef uint64_t      uint_fast64_t;
41
42typedef  int64_t           intmax_t;
43typedef 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#ifndef INT_MIN
100#define INT_MIN          (-__INT_MAX__ - 1)
101#endif
102#ifndef INT_MAX
103#define INT_MAX          __INT_MAX__
104#endif
105
106#ifndef LONG_MIN
107#define LONG_MIN         (-__LONG_MAX__ - 1)
108#endif
109#ifndef LONG_MAX
110#define LONG_MAX         __LONG_MAX__
111#endif
112
113#endif /* _NOLIBC_STDINT_H */
114