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Annotation of kernel/kernserv/macro_help.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
                      3:  *
                      4:  * @APPLE_LICENSE_HEADER_START@
                      5:  * 
                      6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
                      7:  * Reserved.  This file contains Original Code and/or Modifications of
                      8:  * Original Code as defined in and that are subject to the Apple Public
                      9:  * Source License Version 1.1 (the "License").  You may not use this file
                     10:  * except in compliance with the License.  Please obtain a copy of the
                     11:  * License at http://www.apple.com/publicsource and read it before using
                     12:  * this file.
                     13:  * 
                     14:  * The Original Code and all software distributed under the License are
                     15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
                     16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
                     17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
                     18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
                     19:  * License for the specific language governing rights and limitations
                     20:  * under the License.
                     21:  * 
                     22:  * @APPLE_LICENSE_HEADER_END@
                     23:  */
                     24: 
                     25: /* 
                     26:  * Mach Operating System
                     27:  * Copyright (c) 1989 Carnegie-Mellon University
                     28:  * Copyright (c) 1988 Carnegie-Mellon University
                     29:  * All rights reserved.  The CMU software License Agreement specifies
                     30:  * the terms and conditions for use and redistribution.
                     31:  */
                     32: /*
                     33:  *     File:   kernserv/macro_help.h
                     34:  *
                     35:  *     Provide help in making lint-free macro routines
                     36:  *
                     37:  */
                     38: 
                     39: #ifndef        _KERN_MACRO_HELP_H_
                     40: #define _KERN_MACRO_HELP_H_
                     41: 
                     42: #import <mach/boolean.h>
                     43: 
                     44: #ifdef lint
                     45: boolean_t      NEVER;
                     46: boolean_t      ALWAYS;
                     47: #else  /* lint */
                     48: #define                NEVER           FALSE
                     49: #define                ALWAYS          TRUE
                     50: #endif /* lint */
                     51: 
                     52: #ifndef        MACRO_BEGIN
                     53: # define               MACRO_BEGIN     do {
                     54: #endif /* MACRO_BEGIN */
                     55: 
                     56: 
                     57: #ifndef        MACRO_END
                     58: #define                MACRO_END       } while (NEVER)
                     59: #endif /* MACRO_END */
                     60: 
                     61: #ifndef        MACRO_RETURN
                     62: #define                MACRO_RETURN    if (ALWAYS) return
                     63: #endif /* MACRO_RETURN */
                     64: 
                     65: #endif /* _KERN_MACRO_HELP_H_ */
                     66: 

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