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  1. /****************************************************************************
  2. *
  3. *                            Open Watcom Project
  4. *
  5. *    Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
  6. *
  7. *  ========================================================================
  8. *
  9. *    This file contains Original Code and/or Modifications of Original
  10. *    Code as defined in and that are subject to the Sybase Open Watcom
  11. *    Public License version 1.0 (the 'License'). You may not use this file
  12. *    except in compliance with the License. BY USING THIS FILE YOU AGREE TO
  13. *    ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
  14. *    provided with the Original Code and Modifications, and is also
  15. *    available at www.sybase.com/developer/opensource.
  16. *
  17. *    The Original Code and all software distributed under the License are
  18. *    distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  19. *    EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
  20. *    ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF
  21. *    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
  22. *    NON-INFRINGEMENT. Please see the License for the specific language
  23. *    governing rights and limitations under the License.
  24. *
  25. *  ========================================================================
  26. *
  27. * Description:  WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
  28. *               DESCRIBE IT HERE!
  29. *
  30. ****************************************************************************/
  31.  
  32.  
  33. #ifndef _INT64_H_INCLUDED
  34. #define _INT64_H_INCLUDED
  35.  
  36. #include "variety.h"
  37.  
  38. #ifdef __WATCOM_INT64__
  39.     #define USE_INT64
  40. #endif
  41. #include "clibi64.h"
  42.  
  43.  
  44. #ifdef __INT64__
  45.     #define INT_TYPE            INT64_TYPE
  46.     #define UINT_TYPE           UINT64_TYPE
  47.     #define LONG_TYPE           INT64_TYPE
  48.     #define ULONG_TYPE          UINT64_TYPE
  49.     #define __I64NAME(_n1,_n2)  _n2
  50.  
  51.     #if !defined(USE_INT64)
  52.         #define __int64                 double
  53.         #define REAL_INT_TYPE           double
  54.  
  55.         #define GET_INT64(__d)          ( *( (INT_TYPE*)(&(__d)) ) )
  56.         #define GET_UINT64(__d)         ( *( (UINT_TYPE*)(&(__d)) ) )
  57.         #define GET_REALINT64(__i)      ( *( (double*)(&(__i)) ) )
  58.         #define GET_REALUINT64(__i)     ( *( (double*)(&(__i)) ) )
  59.  
  60.         #define HIGHWORD(__w,__i)       (__w) = (unsigned)(__i).u._32[I64HI32]
  61.         #define LOWWORD(__w,__i)        (__w) = (unsigned)(__i).u._32[I64LO32]
  62.         #define MAKE_INT64(__i,__h,__l) {                               \
  63.                                           (__i).u._32[I64HI32] = (__h); \
  64.                                           (__i).u._32[I64LO32] = (__l); \
  65.                                         }
  66.  
  67.         #define RETURN_INT64(__i)       return( GET_REALINT64(__i) )
  68.     #else
  69.         #define REAL_INT_TYPE           __int64
  70.  
  71.         #define GET_INT64(__d)          ( __d )
  72.         #define GET_UINT64(__d)         ( __d )
  73.         #define GET_REALINT64(__i)      ( __i )
  74.         #define GET_REALUINT64(__i)     ( __i )
  75.  
  76.         #define HIGHWORD(__w,__i)       (__w) = (unsigned)( (__i) >> 32 )
  77.         #define LOWWORD(__w,__i)        (__w) = (unsigned)(__i)
  78.         #define MAKE_INT64(__i,__h,__l) (__i) = ( ((INT_TYPE)(__h)) << 32 )  |  (__l)
  79.  
  80.         #define RETURN_INT64(__i)       return( __i )
  81.     #endif
  82.  
  83. #else
  84.     #define INT_TYPE            int
  85.     #define UINT_TYPE           unsigned int
  86.     #define LONG_TYPE           long
  87.     #define ULONG_TYPE          unsigned long
  88.     #define __I64NAME(_n1,_n2)  _n1
  89. #endif
  90.  
  91. #define INTSIZE                 ( sizeof( INT_TYPE ) )
  92.  
  93.  
  94. #endif
  95.