1/* 2 * Copyright (c) 2004, Apple Computer, Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 13 * its contributors may be used to endorse or promote products derived 14 * from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR 20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 24 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 25 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28/* 29 * Mach Operating System 30 * Copyright (c) 1989 Carnegie-Mellon University 31 * Copyright (c) 1988 Carnegie-Mellon University 32 * All rights reserved. The CMU software License Agreement specifies 33 * the terms and conditions for use and redistribution. 34 */ 35/* 36 * HISTORY 37 * 09-23-91 mike Created from Mach version 38 * 39 */ 40/* 41 * File: architecture/nrw/macro_help.h 42 * 43 * Provide help in making lint-free macro routines 44 * 45 */ 46 47#ifndef _NRW_MACRO_HELP_H_ 48#define _NRW_MACRO_HELP_H_ 49 50#ifndef MACRO_BEGIN 51# define MACRO_BEGIN do { 52#endif /* MACRO_BEGIN */ 53 54#ifndef MACRO_END 55# define MACRO_END } while (0) 56#endif /* MACRO_END */ 57 58#ifndef MACRO_RETURN 59# define MACRO_RETURN if (1) return 60#endif /* MACRO_RETURN */ 61 62#endif /* _NRW_MACRO_HELP_H_ */ 63 64