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/**	@file	dk4types.h	Data types for DK libraries.

The dkChar data type is mapped to char on all non-Windows platforms,
wchar_t on Windows.
The dk4_c16_t and dk4_c32_t types are for 16 and 32 bit characters.

The dk4_im_t and dk4_um_t are signed and unsigned integer types
of largest size available on the system. All integer values can
be cast to these types without loss.

*/
#ifndef	DK4TYPES_H_INCLUDED
/**	Protection against multiple inclusion.
*/
#define	DK4TYPES_H_INCLUDED	1

#ifndef DK4CONF_H_INCLUDED
#include "dk4conf.h"
#endif


#ifndef STDIO_H_INCLUDED
#include <stdio.h>
#define STDIO_H_INCLUDED 1
#endif

#ifndef STDLIB_H_INCLUDED
#include <stdlib.h>
#define STDLIB_H_INCLUDED 1
#endif

#if DK4_HAVE_SYS_TYPES_H
#ifndef SYS_TYPES_H_INCLUDED
#include <sys/types.h>
#define SYS_TYPES_H_INCLUDED 1
#endif
#endif

#if DK4_HAVE_STDINT_H
#ifndef STDINT_H_INCLUDED
#if defined(__cplusplus) && (!defined(__STDC_LIMIT_MACROS))
/**	Allow use of limit macros from stdint.h file.
*/
#define __STDC_LIMIT_MACROS 1
#endif
#if defined(__cplusplus) && (!defined(__STDC_CONSTANT_MACROS))
/**	Allow use of constant macros from stdint.h file.
*/
#define __STDC_CONSTANT_MACROS 1
#endif
#include <stdint.h>
#define STDINT_H_INCLUDED 1
#endif
#endif
#if DK4_HAVE_INTTYPES_H
#ifndef INTTYPES_H_INCLUDED
#include <inttypes.h>
#define INTTYPES_H_INCLUDED 1
#endif
#endif

#if DK4_HAVE_SIGNAL_H
#ifndef SIGNAL_H_INCLUDED
#include <signal.h>
#define SIGNAL_H_INCLUDED 1
#endif
#endif

#if DK4_HAVE_WCHAR_H
#ifndef WCHAR_H_INCLUDED
#include <wchar.h>
#define WCHAR_H_INCLUDED 1
#endif
#endif

#if DK4_HAVE_FLOAT_H
#ifndef FLOAT_H_INCLUDED
#include <float.h>
#define	FLOAT_H_INCLUDED 1
#endif
#endif

#ifdef _WIN32

/**	16 bit character.
	The dkChar type is mapped to wchar_t on Windows, char on all
	other systems.
*/
typedef	wchar_t	dkChar;

/**	Size of a dkChar.
*/
#define	DK4_CHAR_SIZE	2

/**	Generate dkChar literals.
*/
#define	dkT(x)	L ## x

#else
/* ifdef _WIN32 */

/**	Simple 8 bit character.
	The dkChar type is mapped to wchar_t on Windows, char on all
	other systems.
*/
typedef	char	dkChar;

/**	Size of a dkChar.
*/
#define	DK4_CHAR_SIZE	1

/**	Generate dkChar literals.
*/
#define	dkT(x)	x

#endif
/* ifdef _WIN32 */



#if DK4_SIZEOF_SHORT >= 2
/**	16 bit character, UTF-16 encoded.
*/
typedef	unsigned short	dk4_c16_t;

/**	Notation for 16 bit values.
*/
#define	dkC16(x) x ## U
#else
#if DK4_SIZEOF_INT >= 2
/**	16 bit character, UTF-16 encoded.
*/
typedef unsigned int	dk4_c16_t;

/**	Notation for 16 bit values.
*/
#define dkC16(x) x ## U
#else
#if DK4_SIZEOF_LONG >= 2
/**	16 bit character, UTF-16 encoded.
*/
typedef unsigned long	dk4_c16_t;

/**	Notation for 16 bit values.
*/
#define	dkC16(x) x ## UL
#else
#error "No integer type long enough for 16 bits!"
#endif
#endif
#endif



#if DK4_SIZEOF_SHORT >= 4
/**	32 bit Unicode character.
*/
typedef	unsigned short	dk4_c32_t;

/**	4 bytes type (double word).
*/
typedef	unsigned short	dk4_dword_t;

/**	Notation for 32 bit values.
*/
#define	dkC32(x)	x ## U
#else
#if DK4_SIZEOF_INT >= 4
/**	32 bit Unicode character.
*/
typedef unsigned int	dk4_c32_t;

/**	4 bytes type (double word).
*/
typedef	unsigned int	dk4_dword_t;

/**	Notation for 32 bit values.
*/
#define	dkC32(x)	x ## U
#else
#if DK4_SIZEOF_LONG >= 4
/**	32 bit Unicode character.
*/
typedef unsigned long	dk4_c32_t;

/**	4 bytes type (double word).
*/
typedef	unsigned long	dk4_dword_t;

/**	Notation for 32 bit values.
*/
#define	dkC32(x)	x ## UL
#else
#error "No integer type long enough for 32 bits!"
#endif
#endif
#endif


#if DK4_HAVE_INTMAX_T
/**	Maximum unsigned integer.
*/
typedef	uintmax_t		dk4_um_t;
/**	Maximum signed integer.
*/
typedef	intmax_t		dk4_im_t;
#else
#if DK4_HAVE_LONG_LONG
/**	Maximum unsigned integer.
*/
typedef	unsigned long long	dk4_um_t;
/**	Maximum signed integer.
*/
typedef	long long		dk4_im_t;
#else
/**	Maximum unsigned integer.
*/
typedef	unsigned long		dk4_um_t;
/**	Maximum signed integer.
*/
typedef	long			dk4_im_t;
#endif
#endif


#if DK4_HAVE_SIG_ATOMIC_T
/**	Atomic integer type.
*/
typedef	sig_atomic_t	dk4_sig_atomic_t;
#else
/**	Atomic integer type.
*/
typedef char		dk4_sig_atomic_t;
#endif

/**	Protorype for signal handlers.
*/
typedef	void dk4_sig_handler_t(int);

#if DK4_HAVE_VOLATILE
/**	Use volatile keyword.
*/
#define	DK4_VOLATILE	volatile
#else
/**	Volatile keyword not defined.
*/
#define	DK4_VOLATILE	/* not defined */
#endif

#if !DK4_HAVE_UINT8_T
/**	8 bit data type.
*/
typedef	unsigned char	uint8_t;
#endif

#if !DK4_HAVE_UINT16_T
#if DK4_SIZEOF_SHORT >= 2
/**	16 bit data type.
*/
typedef	unsigned short	uint16_t;
#else
#if DK4_SIZEOF_INT >= 2
/**	16 bit data type.
*/
typedef unsigned int	uint16_t;
#else
#if DK4_SIZEOF_LONG >= 2
/**	16 bit data type.
*/
typedef	unsigned long	uint16_t;
#else
#error "No data type found for uint16_t!"
#endif
#endif
#endif
#endif

#if !DK4_HAVE_INT8_T
/**	8 bit signed data type.
*/
typedef	signed char	int8_t;
#endif

#if !DK4_HAVE_INT16_t
#if DK4_SIZEOF_SHORT >= 2
/**	16 bit signed data type.
*/
typedef	short	int16_t;
#else
#if DK4_SIZEOF_INT >= 2
/**	16 bit signed data type.
*/
typedef	int	int16_t;
#else
#if DK4_SIZEOF_LONG >= 2
/**	16 bit signed data type.
*/
typedef	long	int16_t;
#else
#error "No data type found for int16_t!"
#endif
#endif
#endif
#endif


#if !DK4_HAVE_UINT32_T
#if DK4_SIZEOF_SHORT >= 4
/**	32 bit data type.
*/
typedef	unsigned short	uint32_t;
#else
#if DK4_SIZEOF_INT >= 4
/**	32 bit data type.
*/
typedef	unsigned int	uint32_t;
#else
#if DK4_SIZEOF_LONG >= 4
/**	32 bit data type.
*/
typedef	unsigned long	uint32_t;
#else
#error "No data type found for uint32_t!"
#endif
#endif
#endif
#endif

#if !DK4_HAVE_INT32_T
#if DK4_SIZEOF_SHORT >= 4
/**	32 bit signed data type.
*/
typedef	short	int32_t;
#else
#if DK4_SIZEOF_INT >= 4
/**	32 bit signed data type.
*/
typedef	int	int32_t;
#else
#if DK4_SIZEOF_LONG >= 4
/**	32 bit signed data type.
*/
#define	long	int32_t;
#else
#error "No data type found for int32_t!"
#endif
#endif
#endif
#endif

#ifndef	DK4_U16_MAX
/**	Maximum value for 16 bit unsigned integer.
*/
#define	DK4_U16_MAX	((uint16_t)(0xFFFFU))
#endif

#ifndef	DK4_I16_MAX
/**	Maximum value for 16 bit signed integer.
*/
#define	DK4_I16_MAX	((int16_t)(0x7FFFU))
#endif

#ifndef	DK4_I16_MIN
/**	Minimum value for 16 bit signed integer.
*/
#define	DK4_I16_MIN	((int16_t)(-0x7FFF - 1))
#endif

#ifndef	DK4_U32_MAX
/**	Maximum value for 32 bit unsigned integer.
*/
#define	DK4_U32_MAX	((uint32_t)(0xFFFFFFFFUL))
#endif

#ifndef	DK4_I32_MAX
/**	Maximum value for 32 bit signed integer.
*/
#define	DK4_I32_MAX	((int32_t)(0x7FFFFFFFL))
#endif

#ifndef	DK4_I32_MIN
/**	Minimum value for 32 bit signed integer.
*/
#define	DK4_I32_MIN	((int32_t)(-0x7FFFFFFFL - 1L))
#endif

#ifndef	DK4_DBL_DIGITS
#ifdef	DBL_DECIMAL_DIG
/**	Number of digits to printf or scanf a double without precision loss.
*/
#define	DK4_DBL_DIGITS (DBL_DECIMAL_DIG)
#else
#ifdef	DECIMAL_DIG
/**	Number of digits to printf or scanf a double without precision loss.
*/
#define	DK4_DBL_DIGITS (DECIMAL_DIG)
#else
#ifdef	DBL_DIG
/**	Number of digits to printf or scanf a double without precision loss.
*/
#define	DK4_DBL_DIGITS ((DBL_DIG) + 3)
#else
/**	Number of digits to printf or scanf a double without precision loss.
*/
#define	DK4_DBL_DIGITS 17
#endif
#endif
#endif
#endif

/**	Pointer to const dkChar.
*/
typedef	const dkChar		*DK4_PCDKCHAR;

/**	Pointer to dkChar.
*/
typedef	dkChar			*DK4_PDKCHAR;

/**	Pointer to const character.
*/
typedef const char		*DK4_PCCHAR;

/**	Pointer to character.
*/
typedef	char			*DK4_PCHAR;

#endif
/* ifndef DK4TYPES_H_INCLUDED */