Graphviz: lib/neatogen/mem.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 #ifdef __cplusplus
00015 extern "C" {
00016 #endif
00017 
00018 
00019 
00020 #ifndef MEMORY_H
00021 #define MEMORY_H
00022 
00023 #ifndef NULL
00024 #define NULL 0
00025 #endif
00026 
00027     /* Support for freelists */
00028 
00029     typedef struct freelist {
00030         struct freenode *head;  /* List of free nodes */
00031         struct freeblock *blocklist;    /* List of malloced blocks */
00032         int nodesize;           /* Size of node */
00033     } Freelist;
00034 
00035     extern void *getfree(Freelist *);
00036     extern void freeinit(Freelist *, int);
00037     extern void makefree(void *, Freelist *);
00038 
00039 #endif
00040 
00041 
00042 #ifdef __cplusplus
00043 }
00044 #endif