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/*

 * 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.

 */

/*

 * @todo - Add fast<N>_t types.

 * @todo - Add support for wint_t types.

 */

#ifndef _STDINT_H

#define _STDINT_H

#include <sys/types.h>

#include <bits/wordsize.h>

#ifdef __cplusplus

extern "C" {

#endif

#if defined(__GNUC__) && (__GNUC__ >= 3 ) \

  && defined(__GNUC_MINOR__) && (__GNUC_MINOR__ > 2 )

#define __STDINT_EXP(x) __##x##__

#else

#define __STDINT_EXP(x) x

#include <limits.h>

#endif

#if __STDINT_EXP(SCHAR_MAX) == 0x7f

#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

#define __int16_t_defined 1

#elif __STDINT_EXP(INT_MAX) == 0x7fff

#define __int16_t_defined 1

#elif __STDINT_EXP(SCHAR_MAX) == 0x7fff

#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

#ifndef __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 __STDINT_EXP(INT_MAX) == 0x7fffffffL

#define __int32_t_defined 1

#elif __STDINT_EXP(LONG_MAX) == 0x7fffffffL

#define __int32_t_defined 1

#define __have_long32 1

#elif __STDINT_EXP(SHRT_MAX) == 0x7fffffffL

#define __int32_t_defined 1

#elif __STDINT_EXP(SCHAR_MAX) == 0x7fffffffL

#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

#ifndef __int_least8_t_defined

typedef int32_t         int_least8_t;

typedef uint32_t        uint_least8_t;

#define __int_least8_t_defined 1

#endif

#ifndef __int_least16_t_defined

typedef int32_t         int_least16_t;

typedef uint32_t        uint_least16_t;

#define __int_least16_t_defined 1

#endif

#endif

/* Fast types.  */

/* Signed.  */

typedef signed char             int_fast8_t;

#if __WORDSIZE == 64

typedef long int                int_fast16_t;

typedef long int                int_fast32_t;

typedef long int                int_fast64_t;

#else

typedef int                     int_fast16_t;

typedef int                     int_fast32_t;

__extension__

typedef long long int           int_fast64_t;

#endif

/* Unsigned.  */

typedef unsigned char           uint_fast8_t;

#if __WORDSIZE == 64

typedef unsigned long int       uint_fast16_t;

typedef unsigned long int       uint_fast32_t;

typedef unsigned long int       uint_fast64_t;

#else

typedef unsigned int            uint_fast16_t;

typedef unsigned int            uint_fast32_t;

__extension__

typedef unsigned long long int  uint_fast64_t;

#endif

#if __STDINT_EXP(LONG_MAX) > 0x7fffffff

#define __int64_t_defined 1

#define __have_long64 1

#elif  defined(__LONG_LONG_MAX__) && (__LONG_LONG_MAX__ > 0x7fffffff)

#define __int64_t_defined 1

#define __have_longlong64 1

#elif  defined(LLONG_MAX) && (LLONG_MAX > 0x7fffffff)

#define __int64_t_defined 1

#define __have_longlong64 1

#elif  __STDINT_EXP(INT_MAX) > 0x7fffffff

#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

#ifndef __int_least8_t_defined

typedef int64_t         int_least8_t;

typedef uint64_t        uint_least8_t;

#define __int_least8_t_defined 1

#endif

#ifndef __int_least16_t_defined

typedef int64_t         int_least16_t;

typedef uint64_t        uint_least16_t;

#define __int_least16_t_defined 1

#endif

#ifndef __int_least32_t_defined

typedef int64_t         int_least32_t;

typedef uint64_t        uint_least32_t;

#define __int_least32_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

/* 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

#define INT32_MIN        (-2147483647-1)

#define INT32_MAX        2147483647

#define UINT32_MAX       4294967295U

#endif

#if __int_least32_t_defined

#define INT_LEAST32_MIN  (-2147483647-1)

#define INT_LEAST32_MAX  2147483647

#define UINT_LEAST32_MAX 4294967295U

#else

#error required type int_least32_t missing

#endif

#if __int64_t_defined

#ifdef __have_long64

#define INT64_MIN       (-9223372036854775807L-1L)

#define INT64_MAX        9223372036854775807L

#define UINT64_MAX      18446744073709551615U

#elif defined(__have_longlong64)

#define INT64_MIN       (-9223372036854775807LL-1LL)

#define INT64_MAX        9223372036854775807LL

#define UINT64_MAX      18446744073709551615ULL

#endif

#endif

#if __int_least64_t_defined

#ifdef __have_long64

#define INT_LEAST64_MIN  (-9223372036854775807L-1L)

#define INT_LEAST64_MAX  9223372036854775807L

#define UINT_LEAST64_MAX 18446744073709551615U

#elif defined(__have_longlong64)

#define INT_LEAST64_MIN  (-9223372036854775807LL-1LL)

#define INT_LEAST64_MAX  9223372036854775807LL

#define UINT_LEAST64_MAX 18446744073709551615ULL

#endif

#endif

/* This must match size_t in stddef.h, currently long unsigned int */

#define SIZE_MAX (__STDINT_EXP(LONG_MAX) * 2UL + 1)

/* 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) */

#define PTRDIFF_MIN (-__STDINT_EXP(LONG_MAX) - 1L)

#define PTRDIFF_MAX __STDINT_EXP(LONG_MAX)

/** Macros for minimum-width integer constant expressions */

#define INT8_C(x)       x

#define UINT8_C(x)      x##U

#define INT16_C(x)      x

#define UINT16_C(x)     x##U

#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_longlong64

#define INT64_C(x)      x##LL

#define UINT64_C(x)     x##ULL

#else

#define INT64_C(x)      x##L

#define UINT64_C(x)     x##UL

#endif

#endif

/** Macros for greatest-width integer constant expression */

#if __have_longlong64

#define INTMAX_C(x)     x##LL

#define UINTMAX_C(x)    x##ULL

#else

#define INTMAX_C(x)     x##L

#define UINTMAX_C(x)    x##UL

#endif

#ifdef __cplusplus

}

#endif

#endif /* _STDINT_H */