fns_mem.h

用于嵌入式系统的TCP/IP协议栈及若干服务

/*
*            Copyright (c) 1998-2001 by NETsilicon Inc.
*
*  This software is copyrighted by and is the sole property of
*  NETsilicon.  All rights, title, ownership, or other interests
*  in the software remain the property of NETsilicon.  This
*  software may only be used in accordance with the corresponding
*  license agreement.  Any unauthorized use, duplication, transmission,
*  distribution, or disclosure of this software is expressly forbidden.
*
*  This Copyright notice may not be removed or modified without prior
*  written consent of NETsilicon.
*
*  NETsilicon, reserves the right to modify this software
*  without notice.
*
*  NETsilicon
*  411 Waverley Oaks Road                  USA 781.647.1234
*  Suite 227                               http://www.netsilicon.com
*  Waltham, MA 02452                       [e-mail]
*
*************************************************************************
*  $Name: Fusion 6.52 Fusion 6.51 $
*  $Date: 2001/09/20 10:58:00 $
*  $Source: M:/psisrc/clib/incl/rcs/fns_mem.h $
*  $Revision: 1.6 $
**************************************************************************
*  File Description:  Memory access routines definitions and macros
*
**************************************************************************/

#ifndef _FNS_MEM_
#define _FNS_MEM_

#include "std.h"

import char * fns_memccpy(char * s1, const char * s2, char c, int n);
import char * fns_memchr(char * s, char c, int n);
import char * fns_memset(char * s, char c, int n);
import int    fns_memcmp(const char * s1, const char * s2, int n);
import int    fns_bcopy(char * b1, const char * b2, int length);
import char * fns_memcpy(char * s1, const char * s2, int n);

#ifdef USE_FUSION_MEMLIB

#define OS_MEMCCPY 			fns_memccpy
#define OS_MEMCPY  			fns_memcpy
#define OS_MEMCHR 			fns_memchr
#define OS_MEMSET  			fns_memset
#define OS_MEMCMP  			fns_memcmp
#define OS_BCOPY(a, b, n) 	OS_MEMCPY(b, a, n)

#else /* Not using Fusion memory library.  Use C runtime library or
	     another custom defined version of each function.
	  */

#ifndef OS_MEMCCPY
#define OS_MEMCCPY memccpy
#endif
#ifndef OS_MEMCPY
#define OS_MEMCPY memcpy
#endif
#ifndef OS_MEMCHR
#define OS_MEMCHR memchr
#endif
#ifndef OS_MEMSET  
#define OS_MEMSET memset
#endif
#ifndef OS_MEMCMP       
#define OS_MEMCMP memcmp
#endif
#ifndef OS_BCOPY
#define OS_BCOPY(a, b, n) OS_MEMCPY(b, a, n)
#endif

#endif /* USE_FUSION_MEMLIB */
#endif /*_FNS_MEMORY_*/