diff options
| author |   deraadt <deraadt@openbsd.org> | 1995-10-18 08:37:01 +0000 |
|---|---|---|
| committer | deraadt <deraadt@openbsd.org> | 1995-10-18 08:37:01 +0000 |
| commit | df930be708d50e9715f173caa26ffe1b7599b157 (patch) | |
| tree | aa317e49e28cb999c9cf3db7f00c20903fe6010a /usr.sbin/tcpdump/extract.h | |
| download | wireguard-openbsd-df930be708d50e9715f173caa26ffe1b7599b157.tar.xz wireguard-openbsd-df930be708d50e9715f173caa26ffe1b7599b157.zip | |
initial import of NetBSD tree
Diffstat (limited to 'usr.sbin/tcpdump/extract.h')
| -rw-r--r-- | usr.sbin/tcpdump/extract.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/usr.sbin/tcpdump/extract.h b/usr.sbin/tcpdump/extract.h new file mode 100644 index 00000000000..2288ca55d58 --- /dev/null +++ b/usr.sbin/tcpdump/extract.h @@ -0,0 +1,51 @@ +/* $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 |