text: /*
  ******************************************************************************
  *
  *   Copyright (C) 1999-2010, 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(U_PALMOS)
  #   include "unicode/ppalmos.h"
  #elif !defined(__MINGW32__) && (defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64))
  #ifdef CYGWINMSVC
  #   include "unicode/platform.h"
  #endif
  #   include "unicode/pwin32.h"
  #else
  #   include "unicode/ptypes.h" /* platform.h is included in ptypes.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_ATTRIBUTE_DEPRECATED
   *  This is used for GCC specific attributes
   * @internal
   */
  #if defined(__GNUC__) && (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2))
  #    define U_ATTRIBUTE_DEPRECATED __attribute__ ((deprecated))
  /**
   * \def U_ATTRIBUTE_DEPRECATED
   * This is used for Visual C++ specific attributes
   * @internal
   */
  #elif defined(U_WINDOWS) && defined(_MSC_VER) && (_MSC_VER >= 1400)
  #    define U_ATTRIBUTE_DEPRECATED __declspec(deprecated)
  #else
  #    define U_ATTRIBUTE_DEPRECATED
  #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
  /** This is used to declare a function as a stable public ICU C API*/
  #define U_STABLE U_CAPI
  /** This is used to declare a function as a draft public ICU C API  */
  #define U_DRAFT  U_CAPI
  /** This is used to declare a function as a deprecated public ICU C API  */
  #define U_DEPRECATED U_CAPI U_ATTRIBUTE_DEPRECATED
  /** This is used to declare a function as an obsolete public ICU C API  */
  #define U_OBSOLETE U_CAPI
  /** This is used to declare a function as an internal ICU C API  */
  #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
   * @stable 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
   * @stable 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(U_WINDOWS)
  #       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 or char16_t because GCC >=4.4
   * can handle UTF16 string literals.
   * This makes the definition of UChar platform-dependent
   * but allows direct string type compatibility with platforms with
   * 16-bit wchar_t types.
   *
   * @draft ICU 4.4
   */
  
  /* Define UChar to be compatible with wchar_t if possible. */
  #if U_SIZEOF_WCHAR_T==2
      typedef wchar_t UChar;
  #elif U_GNUC_UTF16_STRING
  #if defined _GCC_
      typedef __CHAR16_TYPE__ char16_t;
  #endif
      typedef char16_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.                               */
  /*==========================================================================*/
  
  #ifndef U_HIDE_INTERNAL_API
  
  /**
   * \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
  
  #endif /* U_HIDE_INTERNAL_API */
  
  /**
   * \def U_INLINE
   * This is used to request inlining of a function, on platforms and languages which support it.
   */
  
  #ifndef U_INLINE
  #   ifdef XP_CPLUSPLUS
  #       define U_INLINE inline
  #   else
  #       define U_INLINE
  #   endif
  #endif
  
  #include "unicode/urename.h"
  
  #endif
  