/*
******************************************************************************
*
*   Copyright (C) 1999-2001, International Business Machines
*   Corporation and others.  All Rights Reserved.
*
******************************************************************************
*   file name:  umachine.h
*   encoding:   US-ASCII
*   tab size:   8 (not used)
*   indentation:4
*
*   created on: 1999sep13
*   created by: Markus W. Scherer
*
*   This file defines basic types and constants for utf.h to be
*   platform-independent. umachine.h and utf.h are included into
*   utypes.h to provide all the general definitions for ICU.
*   All of these definitions used to be in utypes.h before
*   the UTF-handling macros made this unmaintainable.
*/

#ifndef __UMACHINE_H__
#define __UMACHINE_H__

#include "unicode/urename.h"

/**
 * \file
 * \brief Basic types and constants for UTF 
 * 
 * <h2> Basic types and constants for UTF </h2>
 *   This file defines basic types and constants for utf.h to be
 *   platform-independent. umachine.h and utf.h are included into
 *   utypes.h to provide all the general definitions for ICU.
 *   All of these definitions used to be in utypes.h before
 *   the UTF-handling macros made this unmaintainable.
 * 
 */
/*==========================================================================*/
/* Include platform-dependent definitions                                   */
/* which are contained in the platform-specific file platform.h             */
/*==========================================================================*/

#if defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64)
#   include "unicode/pwin32.h"
#elif defined(__OS2__)
#   include "unicode/pos2.h"
#elif defined(__OS400__)
#   include "unicode/pos400.h"
#elif defined(__MWERKS__)
#   include "unicode/pmacos.h"
#else
#   include "unicode/platform.h"
#endif

/*===========================================================================*/
/* XP_CPLUSPLUS is a cross-platform symbol which should be defined when      */
/* using C++.  It should not be defined when compiling under C.              */
/*===========================================================================*/

#ifdef __cplusplus
#   ifndef XP_CPLUSPLUS
#       define XP_CPLUSPLUS
#   endif
#else
#   undef XP_CPLUSPLUS
#endif

/*===========================================================================*/
/* For C wrappers, we use the symbol U_CAPI.                                 */
/* This works properly if the includer is C or C++.                          */
/* Functions are declared   U_CAPI return-type U_EXPORT2 function-name() ... */
/*===========================================================================*/

#ifdef XP_CPLUSPLUS
#   define U_CFUNC extern "C"
#   define U_CDECL_BEGIN extern "C" {
#   define U_CDECL_END   }
#else
#   define U_CFUNC extern
#   define U_CDECL_BEGIN
#   define U_CDECL_END
#endif
#define U_CAPI U_CFUNC U_EXPORT

/*===========================================================================*/
/* limits for int32_t etc., like in POSIX inttypes.h                         */
/*===========================================================================*/

#ifndef INT8_MIN
#   define INT8_MIN        ((int8_t)(-128))
#endif
#ifndef INT16_MIN
#   define INT16_MIN       ((int16_t)(-32767-1))
#endif
#ifndef INT32_MIN
#   define INT32_MIN       ((int32_t)(-2147483647-1))
#endif

#ifndef INT8_MAX
#   define INT8_MAX        ((int8_t)(127))
#endif
#ifndef INT16_MAX
#   define INT16_MAX       ((int16_t)(32767))
#endif
#ifndef INT32_MAX
#   define INT32_MAX       ((int32_t)(2147483647))
#endif

#ifndef UINT8_MAX
#   define UINT8_MAX       ((uint8_t)(255U))
#endif
#ifndef UINT16_MAX
#   define UINT16_MAX      ((uint16_t)(65535U))
#endif
#ifndef UINT32_MAX
#   define UINT32_MAX      ((uint32_t)(4294967295U))
#endif

#if defined(__64BIT__) || defined(_LONG_LONG) || defined(_LP64) || defined(WIN64) || defined(_WIN64)
#   ifndef INT64_MIN
#       define INT64_MIN       ((int64_t)(-9223372036854775807-1))
#   endif
#   ifndef INT64_MAX
#       define INT64_MAX       ((int64_t)(9223372036854775807))
#   endif
#   ifndef UINT64_MAX
#       define UINT64_MAX      ((uint64_t)(18446744073709551615))
#   endif
#   ifndef INTMAX_MIN
#       define INTMAX_MIN      INT64_MIN
#   endif
#   ifndef INTMAX_MAX
#       define INTMAX_MAX      INT64_MAX
#   endif
#   ifndef UINTMAX_MAX
#       define UINTMAX_MAX     UINT64_MAX
#   endif
#else
#   ifndef INTMAX_MIN
#       define INTMAX_MIN      INT32_MIN
#   endif
#   ifndef INTMAX_MAX
#       define INTMAX_MAX      INT32_MAX
#   endif
#   ifndef UINTMAX_MAX
#       define UINTMAX_MAX     UINT32_MAX
#   endif
#endif

/*===========================================================================*/
/* Boolean data type                                                         */
/*===========================================================================*/

typedef int8_t UBool;

#ifndef TRUE
#   define TRUE  1
#endif
#ifndef FALSE
#   define FALSE 0
#endif


/*===========================================================================*/
/* U_INLINE and U_ALIGN_CODE   Set default vaues if these are not already    */
/*                             defined.  Definitions normally are in         */
/*                             platform.h or the corresponding file for      */
/*                             the OS in use.                                */
/*===========================================================================*/
#ifndef U_ALIGN_CODE
#   define U_ALIGN_CODE(n)
#endif

#ifndef U_INLINE
#   define U_INLINE
#endif

/*===========================================================================*/
/* U_WCHAR_IS_UTF16 definition                                               */
/*===========================================================================*/

#ifndef U_WCHAR_IS_UTF16
#   ifdef __STDC_ISO_10646__ 
#       if (U_SIZEOF_WCHAR_T==2)
#           define U_WCHAR_IS_UTF16
#       elif (U_SIZEOR_WCHAR_T==4)
#           define  U_WCHAR_IS_UTF32
#       endif
#   elif defined __UCS2__
#       if (__OS390__ || __OS400__) && (U_SIZEOF_WCHAR_T==2)
#           define U_WCHAR_IS_UTF16
#       endif
#   elif defined __UCS4__
#       if (U_SIZEOR_WCHAR_T==4)
#           define U_WCHAR_IS_UTF32
#       endif
#   elif defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64)
#       define U_WCHAR_IS_UTF16    
#   endif
#endif


#endif