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/* $NetBSD: extract.h,v 1.2 1995/03/06 19:10:08 mycroft Exp $ */
/*
* Copyright (c) 1992, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that: (1) source code distributions
* retain the above copyright notice and this paragraph in its entirety, (2)
* distributions including binary code include the above copyright notice and
* this paragraph in its entirety in the documentation or other materials
* provided with the distribution, and (3) all advertising materials mentioning
* features or use of this software display the following acknowledgement:
* ``This product includes software developed by the University of California,
* Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
* the University nor the names of its contributors may be used to endorse
* or promote products derived from this software without specific prior
* written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* @(#) Header: extract.h,v 1.7 94/06/14 20:11:45 leres Exp (LBL)
*/
#ifdef TCPDUMP_ALIGN
#if BYTEORDER == LITTLE_ENDIAN
#define EXTRACT_SHORT(p)\
((u_short)\
((u_short)*((u_char *)p+1)<<8|\
(u_short)*((u_char *)p+0)<<0))
#define EXTRACT_LONG(p)\
((u_int32)*((u_char *)p+3)<<24|\
(u_int32)*((u_char *)p+2)<<16|\
(u_int32)*((u_char *)p+1)<<8|\
(u_int32)*((u_char *)p+0)<<0)
#else
#define EXTRACT_SHORT(p)\
((u_short)\
((u_short)*((u_char *)p+0)<<8|\
(u_short)*((u_char *)p+1)<<0))
#define EXTRACT_LONG(p)\
((u_int32)*((u_char *)p+0)<<24|\
(u_int32)*((u_char *)p+1)<<16|\
(u_int32)*((u_char *)p+2)<<8|\
(u_int32)*((u_char *)p+3)<<0)
#endif
#else
#define EXTRACT_SHORT(p) ((u_short)ntohs(*(u_short *)p))
#define EXTRACT_LONG(p) (ntohl(*(u_int32 *)p))
#endif
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