usr/src/usr.bin/make/sprite.h

/*
 * Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
 * Copyright (c) 1988, 1989 by Adam de Boor
 * Copyright (c) 1989 by Berkeley Softworks
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Adam de Boor.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the University of California, Berkeley.  The name of the
 * University may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 *      @(#)sprite.h    5.2 (Berkeley) %G%
 */

/*
 * sprite.h --
 *
 * Common constants and type declarations for Sprite.
 */

#ifndef _SPRITE
#define _SPRITE


/*
 * A boolean type is defined as an integer, not an enum. This allows a
 * boolean argument to be an expression that isn't strictly 0 or 1 valued.
 */

typedef int Boolean;
#ifndef TRUE
#define TRUE    1
#endif TRUE
#ifndef FALSE
#define FALSE   0
#endif FALSE

/*
 * Functions that must return a status can return a ReturnStatus to
 * indicate success or type of failure.
 */

typedef int  ReturnStatus;

/*
 * The following statuses overlap with the first 2 generic statuses
 * defined in status.h:
 *
 * SUCCESS                      There was no error.
 * FAILURE                      There was a general error.
 */

#define SUCCESS                 0x00000000
#define FAILURE                 0x00000001


/*
 * A nil pointer must be something that will cause an exception if
 * referenced.  There are two nils: the kernels nil and the nil used
 * by user processes.
 */

#define NIL             0xFFFFFFFF
#define USER_NIL        0
#ifndef NULL
#define NULL            0
#endif NULL

/*
 * An address is just a pointer in C.  It is defined as a character pointer
 * so that address arithmetic will work properly, a byte at a time.
 */

typedef char *Address;

/*
 * ClientData is an uninterpreted word.  It is defined as an int so that
 * kdbx will not interpret client data as a string.  Unlike an "Address",
 * client data will generally not be used in arithmetic.
 */

typedef int *ClientData;

#ifdef notdef
#include "status.h"
#endif

#endif _SPRITE