Graphviz: lib/common/logic.h Source File

Graphviz 2.29.20120524.0446
00001 /* $Id$ $Revision$ */
00002 /* vim:set shiftwidth=4 ts=8: */
00003 
00004 /*************************************************************************
00005  * Copyright (c) 2011 AT&T Intellectual Property 
00006  * All rights reserved. This program and the accompanying materials
00007  * are made available under the terms of the Eclipse Public License v1.0
00008  * which accompanies this distribution, and is available at
00009  * http://www.eclipse.org/legal/epl-v10.html
00010  *
00011  * Contributors: See CVS logs. Details at http://www.graphviz.org/
00012  *************************************************************************/
00013 
00014 #ifndef GV_LOGIC_H
00015 #define GV_LOGIC_H
00016 
00017 #ifdef __cplusplus
00018 extern "C" {
00019 #endif
00020 
00021 #if defined HAVE_STDBOOL_H && ! defined __cplusplus
00022 #include <stdbool.h>
00023 #endif
00024 
00025 #ifndef NOT
00026 #define NOT(v) (!(v))
00027 #endif
00028 
00029 #if 0
00030 /* HAVE_BOOL only tested the CC compiler, we know C++ must define bool */
00031 #if ! defined HAVE_BOOL && ! defined __cplusplus
00032 typedef unsigned char bool;
00033 #define false 0
00034 #define true NOT(false)
00035 #endif
00036 #endif
00037 
00038 #ifndef FALSE
00039 #define FALSE (0)
00040 #endif
00041 #ifndef TRUE
00042 #define TRUE (!FALSE)
00043 #endif
00044 
00045 #ifndef NOTUSED
00046 #define NOTUSED(var) (void) var
00047 #endif
00048 
00049 #ifndef NULL
00050 #define NULL (void *)0
00051 #endif
00052 
00053 #ifndef NIL
00054 #define NIL(type) ((type)0)
00055 #endif
00056 
00057 #ifdef __cplusplus
00058 }
00059 #endif
00060 
00061 #endif
00062