206 lines
6.3 KiB
C
206 lines
6.3 KiB
C
/*
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******************************************************************************
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*
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* Copyright (C) 1999-2001, International Business Machines
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* Corporation and others. All Rights Reserved.
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*
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******************************************************************************
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* file name: umachine.h
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* encoding: US-ASCII
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* tab size: 8 (not used)
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* indentation:4
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*
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* created on: 1999sep13
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* created by: Markus W. Scherer
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*
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* This file defines basic types and constants for utf.h to be
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* platform-independent. umachine.h and utf.h are included into
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* utypes.h to provide all the general definitions for ICU.
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* All of these definitions used to be in utypes.h before
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* the UTF-handling macros made this unmaintainable.
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*/
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#ifndef __UMACHINE_H__
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#define __UMACHINE_H__
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#include "unicode/urename.h"
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/**
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* \file
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* \brief Basic types and constants for UTF
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*
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* <h2> Basic types and constants for UTF </h2>
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* This file defines basic types and constants for utf.h to be
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* platform-independent. umachine.h and utf.h are included into
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* utypes.h to provide all the general definitions for ICU.
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* All of these definitions used to be in utypes.h before
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* the UTF-handling macros made this unmaintainable.
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*
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*/
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/*==========================================================================*/
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/* Include platform-dependent definitions */
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/* which are contained in the platform-specific file platform.h */
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/*==========================================================================*/
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#if defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64)
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# include "unicode/pwin32.h"
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#elif defined(__OS2__)
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# include "unicode/pos2.h"
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#elif defined(__OS400__)
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# include "unicode/pos400.h"
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#elif defined(__MWERKS__)
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# include "unicode/pmacos.h"
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#else
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# include "unicode/platform.h"
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#endif
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/*===========================================================================*/
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/* XP_CPLUSPLUS is a cross-platform symbol which should be defined when */
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/* using C++. It should not be defined when compiling under C. */
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/*===========================================================================*/
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#ifdef __cplusplus
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# ifndef XP_CPLUSPLUS
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# define XP_CPLUSPLUS
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# endif
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#else
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# undef XP_CPLUSPLUS
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#endif
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/*===========================================================================*/
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/* For C wrappers, we use the symbol U_CAPI. */
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/* This works properly if the includer is C or C++. */
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/* Functions are declared U_CAPI return-type U_EXPORT2 function-name() ... */
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/*===========================================================================*/
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#ifdef XP_CPLUSPLUS
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# define U_CFUNC extern "C"
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# define U_CDECL_BEGIN extern "C" {
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# define U_CDECL_END }
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#else
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# define U_CFUNC extern
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# define U_CDECL_BEGIN
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# define U_CDECL_END
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#endif
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#define U_CAPI U_CFUNC U_EXPORT
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/*===========================================================================*/
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/* limits for int32_t etc., like in POSIX inttypes.h */
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/*===========================================================================*/
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#ifndef INT8_MIN
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# define INT8_MIN ((int8_t)(-128))
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#endif
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#ifndef INT16_MIN
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# define INT16_MIN ((int16_t)(-32767-1))
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#endif
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#ifndef INT32_MIN
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# define INT32_MIN ((int32_t)(-2147483647-1))
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#endif
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#ifndef INT8_MAX
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# define INT8_MAX ((int8_t)(127))
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#endif
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#ifndef INT16_MAX
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# define INT16_MAX ((int16_t)(32767))
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#endif
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#ifndef INT32_MAX
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# define INT32_MAX ((int32_t)(2147483647))
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#endif
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#ifndef UINT8_MAX
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# define UINT8_MAX ((uint8_t)(255U))
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#endif
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#ifndef UINT16_MAX
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# define UINT16_MAX ((uint16_t)(65535U))
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#endif
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#ifndef UINT32_MAX
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# define UINT32_MAX ((uint32_t)(4294967295U))
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#endif
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#if defined(__64BIT__) || defined(_LONG_LONG) || defined(_LP64) || defined(WIN64) || defined(_WIN64)
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# ifndef INT64_MIN
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# define INT64_MIN ((int64_t)(-9223372036854775807-1))
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# endif
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# ifndef INT64_MAX
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# define INT64_MAX ((int64_t)(9223372036854775807))
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# endif
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# ifndef UINT64_MAX
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# define UINT64_MAX ((uint64_t)(18446744073709551615))
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# endif
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# ifndef INTMAX_MIN
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# define INTMAX_MIN INT64_MIN
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# endif
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# ifndef INTMAX_MAX
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# define INTMAX_MAX INT64_MAX
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# endif
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# ifndef UINTMAX_MAX
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# define UINTMAX_MAX UINT64_MAX
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# endif
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#else
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# ifndef INTMAX_MIN
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# define INTMAX_MIN INT32_MIN
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# endif
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# ifndef INTMAX_MAX
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# define INTMAX_MAX INT32_MAX
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# endif
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# ifndef UINTMAX_MAX
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# define UINTMAX_MAX UINT32_MAX
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# endif
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#endif
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/*===========================================================================*/
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/* Boolean data type */
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/*===========================================================================*/
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typedef int8_t UBool;
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#ifndef TRUE
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# define TRUE 1
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#endif
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#ifndef FALSE
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# define FALSE 0
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#endif
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/*===========================================================================*/
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/* U_INLINE and U_ALIGN_CODE Set default vaues if these are not already */
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/* defined. Definitions normally are in */
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/* platform.h or the corresponding file for */
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/* the OS in use. */
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/*===========================================================================*/
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#ifndef U_ALIGN_CODE
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# define U_ALIGN_CODE(n)
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#endif
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#ifndef U_INLINE
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# define U_INLINE
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#endif
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/*===========================================================================*/
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/* U_WCHAR_IS_UTF16 definition */
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/*===========================================================================*/
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#ifndef U_WCHAR_IS_UTF16
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# ifdef __STDC_ISO_10646__
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# if (U_SIZEOF_WCHAR_T==2)
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# define U_WCHAR_IS_UTF16
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# elif (U_SIZEOR_WCHAR_T==4)
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# define U_WCHAR_IS_UTF32
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# endif
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# elif defined __UCS2__
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# if (__OS390__ || __OS400__) && (U_SIZEOF_WCHAR_T==2)
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# define U_WCHAR_IS_UTF16
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# endif
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# elif defined __UCS4__
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# if (U_SIZEOR_WCHAR_T==4)
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# define U_WCHAR_IS_UTF32
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# endif
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# elif defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64)
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# define U_WCHAR_IS_UTF16
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# endif
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#endif
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#endif
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