Graphviz  2.29.20120524.0446
lib/common/memory.h
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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_MEMORY_H
00015 #define GV_MEMORY_H
00016 
00017 #include <stdlib.h>
00018 #ifdef HAVE_MALLOC_H
00019 #include <malloc.h>
00020 #endif
00021 
00022 #ifdef __cplusplus
00023 extern "C" {
00024 #endif
00025 
00026 #ifdef DMALLOC
00027 #define NEW(t)           (t*)calloc(1,sizeof(t))
00028 #define N_NEW(n,t)       (t*)calloc((n),sizeof(t))
00029 #define GNEW(t)          (t*)malloc(sizeof(t))
00030 #define N_GNEW(n,t)      (t*)malloc((n)*sizeof(t))
00031 #define ALLOC(size,ptr,type) (ptr? (type*)realloc(ptr,(size)*sizeof(type)):(type*)malloc((size)*sizeof(type)))
00032 #define RALLOC(size,ptr,type) ((type*)realloc(ptr,(size)*sizeof(type)))
00033 #define ZALLOC(size,ptr,type,osize) (ptr? (type*)recalloc(ptr,(size)*sizeof(type)):(type*)calloc((size),sizeof(type)))
00034 #else
00035 #define NEW(t)           (t*)zmalloc(sizeof(t))
00036 #define N_NEW(n,t)       (t*)zmalloc((n)*sizeof(t))
00037 #define GNEW(t)          (t*)gmalloc(sizeof(t))
00038 
00039 #define N_GNEW(n,t)      (t*)gmalloc((n)*sizeof(t))
00040 #define N_GGNEW(n,t)      (t*)malloc((n)*sizeof(t))
00041 #define ALLOC(size,ptr,type) (ptr? (type*)grealloc(ptr,(size)*sizeof(type)):(type*)gmalloc((size)*sizeof(type)))
00042 #define RALLOC(size,ptr,type) ((type*)grealloc(ptr,(size)*sizeof(type)))
00043 #define ZALLOC(size,ptr,type,osize) (ptr? (type*)zrealloc(ptr,size,sizeof(type),osize):(type*)zmalloc((size)*sizeof(type)))
00044 #endif
00045 #ifdef GVDLL
00046 #define extern __declspec(dllexport)
00047 #else
00048 #ifdef WIN32_DLL
00049 #ifndef GVC_EXPORTS
00050 #define extern __declspec(dllimport)
00051 #endif
00052 #endif
00053 
00054 #endif
00055 
00056     extern void *zmalloc(size_t);
00057     extern void *zrealloc(void *, size_t, size_t, size_t);
00058     extern void *gmalloc(size_t);
00059         extern void *grealloc(void *, size_t);
00060 #undef extern
00061 
00062 #ifdef __cplusplus
00063 }
00064 #endif
00065 
00066 #endif