freepascal.compiler/packages/x11/src/xmd.pp

(***********************************************************

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Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.

                        All Rights Reserved

Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted,
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in
supporting documentation, and that the name of Digital not be
used in advertising or publicity pertaining to distribution of the
software without specific, written prior permission.

DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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******************************************************************)

unit xmd;

interface

(*
 *  Xmd.h: MACHINE DEPENDENT DECLARATIONS.
 *)

(*
 * Bitfield suffixes for the protocol structure elements, if you
 * need them.  Note that bitfields are not guaranteed to be signed
 * (or even unsigned) according to ANSI C.
 *)
//# define B32 /* bitfield not needed on architectures with native 32-bit type */
//# define B16 /* bitfield not needed on architectures with native 16-bit type */
type
  PPCARD64 = ^PCARD64;
  PCARD64 = ^CARD64;
  CARD64 = UInt64;

  PPCARD32 = ^PCARD32;
  PCARD32 = ^CARD32;
  CARD32 = UInt32;

  PPCARD16 = ^PCARD16;
  PCARD16 = ^CARD16;
  CARD16 = UInt16;

  PPCARD8 = ^PCARD8;
  PCARD8 = ^CARD8;
  CARD8 = UInt8;

(*
 * was definitions for sign-extending bitfields on architectures without
 * native types smaller than 64-bit, now just backwards compatibility
 *)
//# define cvtINT8toInt(val) (val)
//# define cvtINT16toInt(val) (val)
//# define cvtINT32toInt(val) (val)
//# define cvtINT8toShort(val) (val)
//# define cvtINT16toShort(val) (val)
//# define cvtINT32toShort(val) (val)
//# define cvtINT8toLong(val) (val)
//# define cvtINT16toLong(val) (val)
//# define cvtINT32toLong(val) (val)

(*
 * this version should leave result of type (t * ), but that should only be
 * used when not in MUSTCOPY
 *)
//# define NEXTPTR(p,t) (((t *)(p)) + 1)

implementation
end.