rvmemblock.h

h.248协议源码

#if (0)
************************************************************************
Filename   : 
Description:
************************************************************************
                Copyright (c) 1999 RADVision Inc.
************************************************************************
NOTICE:
This document contains information that is proprietary to RADVision LTD.
No part of this publication may be reproduced in any form whatsoever 
without written prior approval by RADVision LTD..

RADVision LTD. reserves the right to revise this publication and make 
changes without obligation to notify any person of such revisions or 
changes.
************************************************************************
************************************************************************
$Revision:$
$Date:$
$Author: D. Elbert$
************************************************************************
#endif
#ifndef RV_MEMBLOCK_H
#define RV_MEMBLOCK_H

#include <stddef.h>
#include "rvtypes.h"
#include "rvutil.h"
#include "rvalloc.h"

#if defined(__cplusplus)
extern "C" {
#endif

typedef struct RvMemBlock_ {
  char						 * cur;
  char            			 * end;
  struct RvMemBlock_		 * next;
  RvBool					   is_def_alloc;
} RvMemBlock;

typedef struct RvMemBlockMgr_ {
	RvAlloc		*   pool_alloc;
	RvMemBlock	*	head_block;
	RvMemBlock	*	mem_block;
} RvMemBlockMgr;


void * rvMemBlockAlloc(void * mem_mgr, size_t size);
/* Dummy function - does nothing */
void rvMemBlockDealloc(void*, size_t, void*);
void rvMemBlockContract(RvMemBlockMgr * mem_mgr);
RvMemBlock * rvMemBlockInit(RvMemBlockMgr * mem_mgr,RvAlloc* a);

#if defined(__cplusplus)
}
#endif

#endif /* _RV_MEM_BLOCK */