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 */