uclibc-ng/include/stdint.h

/* Copyright (C) 1997,1998,1999,2000,2001,2006 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

/*
 *	ISO C99: 7.18 Integer types <stdint.h>
 */

#ifndef _STDINT_H
#define _STDINT_H	1

#include <features.h>
#ifdef __UCLIBC_HAS_WCHAR__
#include <bits/wchar.h>
#endif /* __UCLIBC_HAS_WCHAR__ */
#include <bits/wordsize.h>

/* Exact integral types.  */

/* Signed.  */

/* There is some amount of overlap with <sys/types.h> as known by inet code */
#ifndef __int8_t_defined
# define __int8_t_defined
typedef signed char		int8_t;
typedef short int		int16_t;
typedef int			int32_t;
# if __WORDSIZE == 64
typedef long int		int64_t;
# else
__extension__
typedef long long int		int64_t;
# endif
#endif

/* Unsigned.  */
typedef unsigned char		uint8_t;
typedef unsigned short int	uint16_t;
#ifndef __uint32_t_defined
typedef unsigned int		uint32_t;
# define __uint32_t_defined
#endif
#if __WORDSIZE == 64
typedef unsigned long int	uint64_t;
#else
__extension__
typedef unsigned long long int	uint64_t;
#endif


/* Small types.  */

/* Signed.  */
typedef signed char		int_least8_t;
typedef short int		int_least16_t;
typedef int			int_least32_t;
#if __WORDSIZE == 64
typedef long int		int_least64_t;
#else
__extension__
typedef long long int		int_least64_t;
#endif

/* Unsigned.  */
typedef unsigned char		uint_least8_t;
typedef unsigned short int	uint_least16_t;
typedef unsigned int		uint_least32_t;
#if __WORDSIZE == 64
typedef unsigned long int	uint_least64_t;
#else
__extension__
typedef unsigned long long int	uint_least64_t;
#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


/* Types for `void *' pointers.  */
#if __WORDSIZE == 64
# ifndef __intptr_t_defined
typedef long int		intptr_t;
#  define __intptr_t_defined
# endif
typedef unsigned long int	uintptr_t;
#else
# ifndef __intptr_t_defined
typedef int			intptr_t;
#  define __intptr_t_defined
# endif
typedef unsigned int		uintptr_t;
#endif


/* Largest integral types.  */
#if __WORDSIZE == 64
typedef long int		intmax_t;
typedef unsigned long int	uintmax_t;
#else
__extension__
typedef long long int		intmax_t;
__extension__
typedef unsigned long long int	uintmax_t;
#endif


/* The ISO C99 standard specifies that in C++ implementations these
   macros should only be defined if explicitly requested.  */
#if !defined __cplusplus || defined __STDC_LIMIT_MACROS

# if __WORDSIZE == 64
#  define __INT64_C(c)	c ## L
#  define __UINT64_C(c)	c ## UL
# else
#  define __INT64_C(c)	c ## LL
#  define __UINT64_C(c)	c ## ULL
# endif

/* Limits of integral types.  */

/* Minimum of signed integral types.  */
# define INT8_MIN		(-128)
# define INT16_MIN		(-32767-1)
# define INT32_MIN		(-2147483647-1)
# define INT64_MIN		(-__INT64_C(9223372036854775807)-1)
/* Maximum of signed integral types.  */
# define INT8_MAX		(127)
# define INT16_MAX		(32767)
# define INT32_MAX		(2147483647)
# define INT64_MAX		(__INT64_C(9223372036854775807))

/* Maximum of unsigned integral types.  */
# define UINT8_MAX		(255)
# define UINT16_MAX		(65535)
# define UINT32_MAX		(4294967295U)
# define UINT64_MAX		(__UINT64_C(18446744073709551615))


/* Minimum of signed integral types having a minimum size.  */
# define INT_LEAST8_MIN		(-128)
# define INT_LEAST16_MIN	(-32767-1)
# define INT_LEAST32_MIN	(-2147483647-1)
# define INT_LEAST64_MIN	(-__INT64_C(9223372036854775807)-1)
/* Maximum of signed integral types having a minimum size.  */
# define INT_LEAST8_MAX		(127)
# define INT_LEAST16_MAX	(32767)
# define INT_LEAST32_MAX	(2147483647)
# define INT_LEAST64_MAX	(__INT64_C(9223372036854775807))

/* Maximum of unsigned integral types having a minimum size.  */
# define UINT_LEAST8_MAX	(255)
# define UINT_LEAST16_MAX	(65535)
# define UINT_LEAST32_MAX	(4294967295U)
# define UINT_LEAST64_MAX	(__UINT64_C(18446744073709551615))


/* Minimum of fast signed integral types having a minimum size.  */
# define INT_FAST8_MIN		(-128)
# if __WORDSIZE == 64
#  define INT_FAST16_MIN	(-9223372036854775807L-1)
#  define INT_FAST32_MIN	(-9223372036854775807L-1)
# else
#  define INT_FAST16_MIN	(-2147483647-1)
#  define INT_FAST32_MIN	(-2147483647-1)
# endif
# define INT_FAST64_MIN		(-__INT64_C(9223372036854775807)-1)
/* Maximum of fast signed integral types having a minimum size.  */
# define INT_FAST8_MAX		(127)
# if __WORDSIZE == 64
#  define INT_FAST16_MAX	(9223372036854775807L)
#  define INT_FAST32_MAX	(9223372036854775807L)
# else
#  define INT_FAST16_MAX	(2147483647)
#  define INT_FAST32_MAX	(2147483647)
# endif
# define INT_FAST64_MAX		(__INT64_C(9223372036854775807))

/* Maximum of fast unsigned integral types having a minimum size.  */
# define UINT_FAST8_MAX		(255)
# if __WORDSIZE == 64
#  define UINT_FAST16_MAX	(18446744073709551615UL)
#  define UINT_FAST32_MAX	(18446744073709551615UL)
# else
#  define UINT_FAST16_MAX	(4294967295U)
#  define UINT_FAST32_MAX	(4294967295U)
# endif
# define UINT_FAST64_MAX	(__UINT64_C(18446744073709551615))


/* Values to test for integral types holding `void *' pointer.  */
# if __WORDSIZE == 64
#  define INTPTR_MIN		(-9223372036854775807L-1)
#  define INTPTR_MAX		(9223372036854775807L)
#  define UINTPTR_MAX		(18446744073709551615UL)
# else
#  define INTPTR_MIN		(-2147483647-1)
#  define INTPTR_MAX		(2147483647)
#  define UINTPTR_MAX		(4294967295U)
# endif


/* Minimum for largest signed integral type.  */
# define INTMAX_MIN		(-__INT64_C(9223372036854775807)-1)
/* Maximum for largest signed integral type.  */
# define INTMAX_MAX		(__INT64_C(9223372036854775807))

/* Maximum for largest unsigned integral type.  */
# define UINTMAX_MAX		(__UINT64_C(18446744073709551615))

/* Limits of other integer types.  */

/* Limits of `ptrdiff_t' type.  */
# if __WORDSIZE == 64
#  define PTRDIFF_MIN		(-9223372036854775807L-1)
#  define PTRDIFF_MAX		(9223372036854775807L)
# else
#  define PTRDIFF_MIN		(-2147483647-1)
#  define PTRDIFF_MAX		(2147483647)
# endif

/* Limits of `sig_atomic_t'.  */
# define SIG_ATOMIC_MIN		(-2147483647-1)
# define SIG_ATOMIC_MAX		(2147483647)

/* Limit of `size_t' type.  */
# if __WORDSIZE == 64
#  define SIZE_MAX		(18446744073709551615UL)
# else
#  define SIZE_MAX		(4294967295U)
# endif

#ifdef __UCLIBC_HAS_WCHAR__
/* Limits of `wchar_t'.  */
# ifndef WCHAR_MIN
/* These constants might also be defined in <wchar.h>.  */
#  define WCHAR_MIN		__WCHAR_MIN
#  define WCHAR_MAX		__WCHAR_MAX
# endif

/* Limits of `wint_t'.  */
# define WINT_MIN		(0u)
# define WINT_MAX		(4294967295u)
#endif /* __UCLIBC_HAS_WCHAR__ */

#endif	/* C++ && limit macros */


/* The ISO C99 standard specifies that in C++ implementations these
   should only be defined if explicitly requested.  */
#if !defined __cplusplus || defined __STDC_CONSTANT_MACROS

/* Signed.  */
# define INT8_C(c)	c
# define INT16_C(c)	c
# define INT32_C(c)	c
# if __WORDSIZE == 64
#  define INT64_C(c)	c ## L
# else
#  define INT64_C(c)	c ## LL
# endif

/* Unsigned.  */
# define UINT8_C(c)	c
# define UINT16_C(c)	c
# define UINT32_C(c)	c ## U
# if __WORDSIZE == 64
#  define UINT64_C(c)	c ## UL
# else
#  define UINT64_C(c)	c ## ULL
# endif

/* Maximal type.  */
# if __WORDSIZE == 64
#  define INTMAX_C(c)	c ## L
#  define UINTMAX_C(c)	c ## UL
# else
#  define INTMAX_C(c)	c ## LL
#  define UINTMAX_C(c)	c ## ULL
# endif

#endif	/* C++ && constant macros */

#endif /* stdint.h */