/*
 * Copyright (c) 2004, 2005 by
 * Ralf Corsepius, Ulm/Germany. All rights reserved.
 *
 * Permission to use, copy, modify, and distribute this software
 * is freely granted, provided that this notice is preserved.
 */

#ifndef _STDINT_H
#define _STDINT_H

#ifdef __cplusplus
extern "C"
{
#endif

#if defined(__GNUC__) &&                                                                           \
  ((__GNUC__ >= 4) || ((__GNUC__ >= 3) && defined(__GNUC_MINOR__) && (__GNUC_MINOR__ > 2)))
/* gcc > 3.2 implicitly defines the values we are interested */
#define __STDINT_EXP(x) __##x##__
#else
#define __STDINT_EXP(x) x
#include "limits.h"
#endif

/* Check if "long long" is 64bit wide */
/* Modern GCCs provide __LONG_LONG_MAX__, SUSv3 wants LLONG_MAX */
#if (defined(__LONG_LONG_MAX__) && (__LONG_LONG_MAX__ > 0x7fffffff)) ||                            \
  (defined(LLONG_MAX) && (LLONG_MAX > 0x7fffffff))
#define __have_longlong64 1
#endif

/* Check if "long" is 64bit or 32bit wide */
#if __STDINT_EXP(LONG_MAX) > 0x7fffffff
#define __have_long64 1
#elif __STDINT_EXP(LONG_MAX) == 0x7fffffff && !defined(__SPU__)
#define __have_long32 1
#endif

#if __STDINT_EXP(SCHAR_MAX) == 0x7f
  typedef signed char int8_t;
  typedef unsigned char uint8_t;
#define __int8_t_defined 1
#endif

#if __int8_t_defined
  typedef signed char int_least8_t;
  typedef unsigned char uint_least8_t;
#define __int_least8_t_defined 1
#endif

#if __STDINT_EXP(SHRT_MAX) == 0x7fff
  typedef signed short int16_t;
  typedef unsigned short uint16_t;
#define __int16_t_defined 1
#elif __STDINT_EXP(INT_MAX) == 0x7fff
typedef signed int int16_t;
typedef unsigned int uint16_t;
#define __int16_t_defined 1
#elif __STDINT_EXP(SCHAR_MAX) == 0x7fff
typedef signed char int16_t;
typedef unsigned char uint16_t;
#define __int16_t_defined 1
#endif

#if __int16_t_defined
  typedef int16_t int_least16_t;
  typedef uint16_t uint_least16_t;
#define __int_least16_t_defined 1

#if !__int_least8_t_defined
  typedef int16_t int_least8_t;
  typedef uint16_t uint_least8_t;
#define __int_least8_t_defined 1
#endif
#endif

#if __have_long32
  typedef signed long int32_t;
  typedef unsigned long uint32_t;
#define __int32_t_defined 1
#elif __STDINT_EXP(INT_MAX) == 0x7fffffffL
typedef signed int int32_t;
typedef unsigned int uint32_t;
#define __int32_t_defined 1
#elif __STDINT_EXP(SHRT_MAX) == 0x7fffffffL
typedef signed short int32_t;
typedef unsigned short uint32_t;
#define __int32_t_defined 1
#elif __STDINT_EXP(SCHAR_MAX) == 0x7fffffffL
typedef signed char int32_t;
typedef unsigned char uint32_t;
#define __int32_t_defined 1
#endif

#if __int32_t_defined
  typedef int32_t int_least32_t;
  typedef uint32_t uint_least32_t;
#define __int_least32_t_defined 1

#if !__int_least8_t_defined
  typedef int32_t int_least8_t;
  typedef uint32_t uint_least8_t;
#define __int_least8_t_defined 1
#endif

#if !__int_least16_t_defined
  typedef int32_t int_least16_t;
  typedef uint32_t uint_least16_t;
#define __int_least16_t_defined 1
#endif
#endif

#if __have_long64
  typedef signed long int64_t;
  typedef unsigned long uint64_t;
#define __int64_t_defined 1
#elif __have_longlong64
typedef signed long long int64_t;
typedef unsigned long long uint64_t;
#define __int64_t_defined 1
#elif __STDINT_EXP(INT_MAX) > 0x7fffffff
typedef signed int int64_t;
typedef unsigned int uint64_t;
#define __int64_t_defined 1
#endif

#if __int64_t_defined
  typedef int64_t int_least64_t;
  typedef uint64_t uint_least64_t;
#define __int_least64_t_defined 1

#if !__int_least8_t_defined
  typedef int64_t int_least8_t;
  typedef uint64_t uint_least8_t;
#define __int_least8_t_defined 1
#endif

#if !__int_least16_t_defined
  typedef int64_t int_least16_t;
  typedef uint64_t uint_least16_t;
#define __int_least16_t_defined 1
#endif

#if !__int_least32_t_defined
  typedef int64_t int_least32_t;
  typedef uint64_t uint_least32_t;
#define __int_least32_t_defined 1
#endif
#endif

/*
 * Fastest minimum-width integer types
 *
 * Assume int to be the fastest type for all types with a width
 * less than __INT_MAX__ rsp. INT_MAX
 */
#if __STDINT_EXP(INT_MAX) >= 0x7f
  typedef signed int int_fast8_t;
  typedef unsigned int uint_fast8_t;
#define __int_fast8_t_defined 1
#endif

#if __STDINT_EXP(INT_MAX) >= 0x7fff
  typedef signed int int_fast16_t;
  typedef unsigned int uint_fast16_t;
#define __int_fast16_t_defined 1
#endif

#if __STDINT_EXP(INT_MAX) >= 0x7fffffff
  typedef signed int int_fast32_t;
  typedef unsigned int uint_fast32_t;
#define __int_fast32_t_defined 1
#endif

#if __STDINT_EXP(INT_MAX) > 0x7fffffff
  typedef signed int int_fast64_t;
  typedef unsigned int uint_fast64_t;
#define __int_fast64_t_defined 1
#endif

/*
 * Fall back to [u]int_least<N>_t for [u]int_fast<N>_t types
 * not having been defined, yet.
 * Leave undefined, if [u]int_least<N>_t should not be available.
 */
#if !__int_fast8_t_defined
#if __int_least8_t_defined
  typedef int_least8_t int_fast8_t;
  typedef uint_least8_t uint_fast8_t;
#define __int_fast8_t_defined 1
#endif
#endif

#if !__int_fast16_t_defined
#if __int_least16_t_defined
  typedef int_least16_t int_fast16_t;
  typedef uint_least16_t uint_fast16_t;
#define __int_fast16_t_defined 1
#endif
#endif

#if !__int_fast32_t_defined
#if __int_least32_t_defined
  typedef int_least32_t int_fast32_t;
  typedef uint_least32_t uint_fast32_t;
#define __int_fast32_t_defined 1
#endif
#endif

#if !__int_fast64_t_defined
#if __int_least64_t_defined
  typedef int_least64_t int_fast64_t;
  typedef uint_least64_t uint_fast64_t;
#define __int_fast64_t_defined 1
#endif
#endif

/* Greatest-width integer types */
/* Modern GCCs provide __INTMAX_TYPE__ */
#if defined(__INTMAX_TYPE__)
  typedef __INTMAX_TYPE__ intmax_t;
#elif __have_longlong64
typedef signed long long intmax_t;
#else
typedef signed long intmax_t;
#endif

/* Modern GCCs provide __UINTMAX_TYPE__ */
#if defined(__UINTMAX_TYPE__)
  typedef __UINTMAX_TYPE__ uintmax_t;
#elif __have_longlong64
typedef unsigned long long uintmax_t;
#else
typedef unsigned long uintmax_t;
#endif

/*
 * GCC doesn't provide an appropriate macro for [u]intptr_t
 * For now, use __PTRDIFF_TYPE__
 */
#if defined(__PTRDIFF_TYPE__)
  typedef signed __PTRDIFF_TYPE__ intptr_t;
  typedef unsigned __PTRDIFF_TYPE__ uintptr_t;
#define INTPTR_MAX PTRDIFF_MAX
#define INTPTR_MIN PTRDIFF_MIN
#ifdef __UINTPTR_MAX__
#define UINTPTR_MAX __UINTPTR_MAX__
#else
#define UINTPTR_MAX (2UL * PTRDIFF_MAX + 1)
#endif
#else
/*
 * Fallback to hardcoded values,
 * should be valid on cpu's with 32bit int/32bit void*
 */
typedef signed long intptr_t;
typedef unsigned long uintptr_t;
#define INTPTR_MAX __STDINT_EXP(LONG_MAX)
#define INTPTR_MIN (-__STDINT_EXP(LONG_MAX) - 1)
#define UINTPTR_MAX (__STDINT_EXP(LONG_MAX) * 2UL + 1)
#endif

  /* Limits of Specified-Width Integer Types */

#if __int8_t_defined
#define INT8_MIN -128
#define INT8_MAX 127
#define UINT8_MAX 255
#endif

#if __int_least8_t_defined
#define INT_LEAST8_MIN -128
#define INT_LEAST8_MAX 127
#define UINT_LEAST8_MAX 255
#else
#error required type int_least8_t missing
#endif

#if __int16_t_defined
#define INT16_MIN -32768
#define INT16_MAX 32767
#define UINT16_MAX 65535
#endif

#if __int_least16_t_defined
#define INT_LEAST16_MIN -32768
#define INT_LEAST16_MAX 32767
#define UINT_LEAST16_MAX 65535
#else
#error required type int_least16_t missing
#endif

#if __int32_t_defined
#if __have_long32
#define INT32_MIN (-2147483647L - 1)
#define INT32_MAX 2147483647L
#define UINT32_MAX 4294967295UL
#else
#define INT32_MIN (-2147483647 - 1)
#define INT32_MAX 2147483647
#define UINT32_MAX 4294967295U
#endif
#endif

#if __int_least32_t_defined
#if __have_long32
#define INT_LEAST32_MIN (-2147483647L - 1)
#define INT_LEAST32_MAX 2147483647L
#define UINT_LEAST32_MAX 4294967295UL
#else
#define INT_LEAST32_MIN (-2147483647 - 1)
#define INT_LEAST32_MAX 2147483647
#define UINT_LEAST32_MAX 4294967295U
#endif
#else
#error required type int_least32_t missing
#endif

#if __int64_t_defined
#if __have_long64
#define INT64_MIN (-9223372036854775807L - 1L)
#define INT64_MAX 9223372036854775807L
#define UINT64_MAX 18446744073709551615U
#elif __have_longlong64
#define INT64_MIN (-9223372036854775807LL - 1LL)
#define INT64_MAX 9223372036854775807LL
#define UINT64_MAX 18446744073709551615ULL
#endif
#endif

#if __int_least64_t_defined
#if __have_long64
#define INT_LEAST64_MIN (-9223372036854775807L - 1L)
#define INT_LEAST64_MAX 9223372036854775807L
#define UINT_LEAST64_MAX 18446744073709551615U
#elif __have_longlong64
#define INT_LEAST64_MIN (-9223372036854775807LL - 1LL)
#define INT_LEAST64_MAX 9223372036854775807LL
#define UINT_LEAST64_MAX 18446744073709551615ULL
#endif
#endif

#if __int_fast8_t_defined
#if __STDINT_EXP(INT_MAX) >= 0x7f
#define INT_FAST8_MIN (-__STDINT_EXP(INT_MAX) - 1)
#define INT_FAST8_MAX __STDINT_EXP(INT_MAX)
#define UINT_FAST8_MAX (__STDINT_EXP(INT_MAX) * 2U + 1U)
#else
#define INT_FAST8_MIN INT_LEAST8_MIN
#define INT_FAST8_MAX INT_LEAST8_MAX
#define UINT_FAST8_MAX UINT_LEAST8_MAX
#endif
#endif

#if __int_fast16_t_defined
#if __STDINT_EXP(INT_MAX) >= 0x7fff
#define INT_FAST16_MIN (-__STDINT_EXP(INT_MAX) - 1)
#define INT_FAST16_MAX __STDINT_EXP(INT_MAX)
#define UINT_FAST16_MAX (__STDINT_EXP(INT_MAX) * 2U + 1U)
#else
#define INT_FAST16_MIN INT_LEAST16_MIN
#define INT_FAST16_MAX INT_LEAST16_MAX
#define UINT_FAST16_MAX UINT_LEAST16_MAX
#endif
#endif

#if __int_fast32_t_defined
#if __STDINT_EXP(INT_MAX) >= 0x7fffffff
#define INT_FAST32_MIN (-__STDINT_EXP(INT_MAX) - 1)
#define INT_FAST32_MAX __STDINT_EXP(INT_MAX)
#define UINT_FAST32_MAX (__STDINT_EXP(INT_MAX) * 2U + 1U)
#else
#define INT_FAST32_MIN INT_LEAST32_MIN
#define INT_FAST32_MAX INT_LEAST32_MAX
#define UINT_FAST32_MAX UINT_LEAST32_MAX
#endif
#endif

#if __int_fast64_t_defined
#if __STDINT_EXP(INT_MAX) > 0x7fffffff
#define INT_FAST64_MIN (-__STDINT_EXP(INT_MAX) - 1)
#define INT_FAST64_MAX __STDINT_EXP(INT_MAX)
#define UINT_FAST64_MAX (__STDINT_EXP(INT_MAX) * 2U + 1U)
#else
#define INT_FAST64_MIN INT_LEAST64_MIN
#define INT_FAST64_MAX INT_LEAST64_MAX
#define UINT_FAST64_MAX UINT_LEAST64_MAX
#endif
#endif

#ifdef __INTMAX_MAX__
#define INTMAX_MAX __INTMAX_MAX__
#define INTMAX_MIN (-INTMAX_MAX - 1)
#elif defined(__INTMAX_TYPE__)
/* All relevant GCC versions prefer long to long long for intmax_t.  */
#define INTMAX_MAX INT64_MAX
#define INTMAX_MIN INT64_MIN
#endif

#ifdef __UINTMAX_MAX__
#define UINTMAX_MAX __UINTMAX_MAX__
#elif defined(__UINTMAX_TYPE__)
/* All relevant GCC versions prefer long to long long for intmax_t.  */
#define UINTMAX_MAX UINT64_MAX
#endif

/* This must match size_t in stddef.h, currently long unsigned int */
#ifdef __SIZE_MAX__
#define SIZE_MAX __SIZE_MAX__
#else
#define SIZE_MAX (__STDINT_EXP(LONG_MAX) * 2UL + 1)
#endif

/* This must match sig_atomic_t in <signal.h> (currently int) */
#define SIG_ATOMIC_MIN (-__STDINT_EXP(INT_MAX) - 1)
#define SIG_ATOMIC_MAX __STDINT_EXP(INT_MAX)

/* This must match ptrdiff_t  in <stddef.h> (currently long int) */
#ifdef __PTRDIFF_MAX__
#define PTRDIFF_MAX __PTRDIFF_MAX__
#else
#define PTRDIFF_MAX __STDINT_EXP(LONG_MAX)
#endif
#define PTRDIFF_MIN (-PTRDIFF_MAX - 1)

#ifdef __WCHAR_MAX__
#define WCHAR_MAX __WCHAR_MAX__
#endif
#ifdef __WCHAR_MIN__
#define WCHAR_MIN __WCHAR_MIN__
#endif

/* wint_t is unsigned int on almost all GCC targets.  */
#ifdef __WINT_MAX__
#define WINT_MAX __WINT_MAX__
#else
#define WINT_MAX (__STDINT_EXP(INT_MAX) * 2U + 1U)
#endif
#ifdef __WINT_MIN__
#define WINT_MIN __WINT_MIN__
#else
#define WINT_MIN 0U
#endif

/** Macros for minimum-width integer constant expressions */
#define INT8_C(x) x
#if __STDINT_EXP(INT_MAX) > 0x7f
#define UINT8_C(x) x
#else
#define UINT8_C(x) x##U
#endif

#define INT16_C(x) x
#if __STDINT_EXP(INT_MAX) > 0x7fff
#define UINT16_C(x) x
#else
#define UINT16_C(x) x##U
#endif

#if __have_long32
#define INT32_C(x) x##L
#define UINT32_C(x) x##UL
#else
#define INT32_C(x) x
#define UINT32_C(x) x##U
#endif

#if __int64_t_defined
#if __have_long64
#define INT64_C(x) x##L
#define UINT64_C(x) x##UL
#else
#define INT64_C(x) x##LL
#define UINT64_C(x) x##ULL
#endif
#endif

/** Macros for greatest-width integer constant expression */
#if __have_long64
#define INTMAX_C(x) x##L
#define UINTMAX_C(x) x##UL
#else
#define INTMAX_C(x) x##LL
#define UINTMAX_C(x) x##ULL
#endif

#ifdef __cplusplus
}
#endif

#endif /* _STDINT_H */
