52 lines
2.0 KiB
C
52 lines
2.0 KiB
C
/* $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
|