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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:  Macro to deal with stream orientation.
  28. *
  29. ****************************************************************************/
  30.  
  31.  
  32. #ifdef __NETWARE__
  33.     /* One less thing to worry about */
  34.     #define ORIENT_STREAM(stream,error_return)
  35. #else
  36.   #ifdef __WIDECHAR__
  37.     #define ORIENT_STREAM(stream,error_return)                  \
  38.         if( _FP_ORIENTATION(stream) != _WIDE_ORIENTED ) {       \
  39.             if( _FP_ORIENTATION(stream) == _NOT_ORIENTED ) {    \
  40.                 _FP_ORIENTATION(stream) = _WIDE_ORIENTED;       \
  41.             } else {                                            \
  42.                 _ReleaseFile( stream );                         \
  43.                 return( error_return );                         \
  44.             }                                                   \
  45.         }
  46.   #else
  47.     #define ORIENT_STREAM(stream,error_return)                  \
  48.         if( _FP_ORIENTATION(stream) != _BYTE_ORIENTED ) {       \
  49.             if( _FP_ORIENTATION(stream) == _NOT_ORIENTED ) {    \
  50.                 _FP_ORIENTATION(stream) = _BYTE_ORIENTED;       \
  51.             } else {                                            \
  52.                 _ReleaseFile( stream );                         \
  53.                 return( error_return );                         \
  54.             }                                                   \
  55.     }
  56.   #endif
  57. #endif
  58.