/* ****************************************************************************** * * Copyright (C) 1999-2004, 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__ /** * \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" #else # include "unicode/platform.h" #endif /* * ANSI C headers: * stddef.h defines wchar_t */ #include <stddef.h> /*==========================================================================*/ /* 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_STABLE. */ /* This works properly if the includer is C or C++. */ /* Functions are declared U_STABLE return-type U_EXPORT2 function-name()... */ /*==========================================================================*/ /** * \def U_CFUNC * This is used in a declaration of a library private ICU C function. * @stable ICU 2.4 */ /** * \def U_CDECL_BEGIN * This is used to begin a declaration of a library private ICU C API. * @stable ICU 2.4 */ /** * \def U_CDECL_END * This is used to end a declaration of a library private ICU C API * @stable ICU 2.4 */ #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 /** * \def U_NAMESPACE_BEGIN * This is used to begin a declaration of a public ICU C++ API. * If the compiler doesn't support namespaces, this does nothing. * @stable ICU 2.4 */ /** * \def U_NAMESPACE_END * This is used to end a declaration of a public ICU C++ API * If the compiler doesn't support namespaces, this does nothing. * @stable ICU 2.4 */ /** * \def U_NAMESPACE_USE * This is used to specify that the rest of the code uses the * public ICU C++ API namespace. * If the compiler doesn't support namespaces, this does nothing. * @stable ICU 2.4 */ /** * \def U_NAMESPACE_QUALIFIER * This is used to qualify that a function or class is part of * the public ICU C++ API namespace. * If the compiler doesn't support namespaces, this does nothing. * @stable ICU 2.4 */ /* Define namespace symbols if the compiler supports it. */ #if U_HAVE_NAMESPACE # define U_NAMESPACE_BEGIN namespace U_ICU_NAMESPACE { # define U_NAMESPACE_END } # define U_NAMESPACE_USE using namespace U_ICU_NAMESPACE; # define U_NAMESPACE_QUALIFIER U_ICU_NAMESPACE:: #else # define U_NAMESPACE_BEGIN # define U_NAMESPACE_END # define U_NAMESPACE_USE # define U_NAMESPACE_QUALIFIER #endif /** This is used to declare a function as a public ICU C API @stable ICU 2.0*/ #define U_CAPI U_CFUNC U_EXPORT #define U_STABLE U_CAPI #define U_DRAFT U_CAPI #define U_DEPRECATED U_CAPI #define U_OBSOLETE U_CAPI #define U_INTERNAL U_CAPI /*==========================================================================*/ /* limits for int32_t etc., like in POSIX inttypes.h */ /*==========================================================================*/ #ifndef INT8_MIN /** The smallest value an 8 bit signed integer can hold @stable ICU 2.0 */ # define INT8_MIN ((int8_t)(-128)) #endif #ifndef INT16_MIN /** The smallest value a 16 bit signed integer can hold @stable ICU 2.0 */ # define INT16_MIN ((int16_t)(-32767-1)) #endif #ifndef INT32_MIN /** The smallest value a 32 bit signed integer can hold @stable ICU 2.0 */ # define INT32_MIN ((int32_t)(-2147483647-1)) #endif #ifndef INT8_MAX /** The largest value an 8 bit signed integer can hold @stable ICU 2.0 */ # define INT8_MAX ((int8_t)(127)) #endif #ifndef INT16_MAX /** The largest value a 16 bit signed integer can hold @stable ICU 2.0 */ # define INT16_MAX ((int16_t)(32767)) #endif #ifndef INT32_MAX /** The largest value a 32 bit signed integer can hold @stable ICU 2.0 */ # define INT32_MAX ((int32_t)(2147483647)) #endif #ifndef UINT8_MAX /** The largest value an 8 bit unsigned integer can hold @stable ICU 2.0 */ # define UINT8_MAX ((uint8_t)(255U)) #endif #ifndef UINT16_MAX /** The largest value a 16 bit unsigned integer can hold @stable ICU 2.0 */ # define UINT16_MAX ((uint16_t)(65535U)) #endif #ifndef UINT32_MAX /** The largest value a 32 bit unsigned integer can hold @stable ICU 2.0 */ # define UINT32_MAX ((uint32_t)(4294967295U)) #endif #if defined(U_INT64_T_UNAVAILABLE) # error int64_t is required for decimal format and rule-based number format. #else # ifndef INT64_C /** * Provides a platform independent way to specify a signed 64-bit integer constant. * note: may be wrong for some 64 bit platforms - ensure your compiler provides INT64_C * @draft ICU 2.8 */ # define INT64_C(c) c ## LL # endif # ifndef UINT64_C /** * Provides a platform independent way to specify an unsigned 64-bit integer constant. * note: may be wrong for some 64 bit platforms - ensure your compiler provides UINT64_C * @draft ICU 2.8 */ # define UINT64_C(c) c ## ULL # endif # ifndef U_INT64_MIN /** The smallest value a 64 bit signed integer can hold @stable ICU 2.8 */ # define U_INT64_MIN ((int64_t)(INT64_C(-9223372036854775807)-1)) # endif # ifndef U_INT64_MAX /** The largest value a 64 bit signed integer can hold @stable ICU 2.8 */ # define U_INT64_MAX ((int64_t)(INT64_C(9223372036854775807))) # endif # ifndef U_UINT64_MAX /** The largest value a 64 bit unsigned integer can hold @stable ICU 2.8 */ # define U_UINT64_MAX ((uint64_t)(UINT64_C(18446744073709551615))) # endif #endif /*==========================================================================*/ /* Boolean data type */ /*==========================================================================*/ /** The ICU boolean type @stable ICU 2.0 */ typedef int8_t UBool; #ifndef TRUE /** The TRUE value of a UBool @stable ICU 2.0 */ # define TRUE 1 #endif #ifndef FALSE /** The FALSE value of a UBool @stable ICU 2.0 */ # define FALSE 0 #endif /*==========================================================================*/ /* Unicode data types */ /*==========================================================================*/ /* wchar_t-related definitions -------------------------------------------- */ /** * \def U_HAVE_WCHAR_H * Indicates whether <wchar.h> is available (1) or not (0). Set to 1 by default. * * @stable ICU 2.0 */ #ifndef U_HAVE_WCHAR_H # define U_HAVE_WCHAR_H 1 #endif /** * \def U_SIZEOF_WCHAR_T * U_SIZEOF_WCHAR_T==sizeof(wchar_t) (0 means it is not defined or autoconf could not set it) * * @stable ICU 2.0 */ #if U_SIZEOF_WCHAR_T==0 # undef U_SIZEOF_WCHAR_T # define U_SIZEOF_WCHAR_T 4 #endif /* * \def U_WCHAR_IS_UTF16 * Defined if wchar_t uses UTF-16. * * @stable ICU 2.0 */ /* * \def U_WCHAR_IS_UTF32 * Defined if wchar_t uses UTF-32. * * @stable ICU 2.0 */ #if !defined(U_WCHAR_IS_UTF16) && !defined(U_WCHAR_IS_UTF32) # ifdef __STDC_ISO_10646__ # if (U_SIZEOF_WCHAR_T==2) # define U_WCHAR_IS_UTF16 # elif (U_SIZEOF_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_SIZEOF_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 /* UChar and UChar32 definitions -------------------------------------------- */ /** Number of bytes in a UChar. @stable ICU 2.0 */ #define U_SIZEOF_UCHAR 2 /** * \var UChar * Define UChar to be wchar_t if that is 16 bits wide; always assumed to be unsigned. * If wchar_t is not 16 bits wide, then define UChar to be uint16_t. * This makes the definition of UChar platform-dependent * but allows direct string type compatibility with platforms with * 16-bit wchar_t types. * * @stable ICU 2.0 */ /* Define UChar to be compatible with wchar_t if possible. */ #if U_SIZEOF_WCHAR_T==2 typedef wchar_t UChar; #else typedef uint16_t UChar; #endif /** * Define UChar32 as a type for single Unicode code points. * UChar32 is a signed 32-bit integer (same as int32_t). * * The Unicode code point range is 0..0x10ffff. * All other values (negative or >=0x110000) are illegal as Unicode code points. * They may be used as sentinel values to indicate "done", "error" * or similar non-code point conditions. * * Before ICU 2.4 (Jitterbug 2146), UChar32 was defined * to be wchar_t if that is 32 bits wide (wchar_t may be signed or unsigned) * or else to be uint32_t. * That is, the definition of UChar32 was platform-dependent. * * @see U_SENTINEL * @stable ICU 2.4 */ typedef int32_t UChar32; /*==========================================================================*/ /* U_INLINE and U_ALIGN_CODE Set default values if these are not already */ /* defined. Definitions normally are in */ /* platform.h or the corresponding file for */ /* the OS in use. */ /*==========================================================================*/ /** * \def U_ALIGN_CODE * This is used to align code fragments to a specific byte boundary. * This is useful for getting consistent performance test results. * @internal */ #ifndef U_ALIGN_CODE # define U_ALIGN_CODE(n) #endif #ifndef U_INLINE # define U_INLINE #endif #include "unicode/urename.h" #endif