xref: /386bsd/usr/src/usr.sbin/tcpdump/addrtoname.h (revision a2142627)
1 /*
2  * Copyright (c) 1988, 1990 The Regents of the University of California.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that: (1) source code distributions
7  * retain the above copyright notice and this paragraph in its entirety, (2)
8  * distributions including binary code include the above copyright notice and
9  * this paragraph in its entirety in the documentation or other materials
10  * provided with the distribution, and (3) all advertising materials mentioning
11  * features or use of this software display the following acknowledgement:
12  * ``This product includes software developed by the University of California,
13  * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
14  * the University nor the names of its contributors may be used to endorse
15  * or promote products derived from this software without specific prior
16  * written permission.
17  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
18  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
19  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
20  *
21  * @(#) $Header: addrtoname.h,v 1.4 90/09/24 17:02:10 mccanne Exp $ (LBL)
22  */
23 
24 /* Name to address translation routines. */
25 
26 extern char *etheraddr_string();
27 extern char *etherproto_string();
28 extern char *tcpport_string();
29 extern char *udpport_string();
30 extern char *getname();
31 extern char *intoa();
32 
33 extern void init_addrtoname();
34 extern void no_foreign_names();
35 
36 #ifndef ALIGN
37 #define ipaddr_string(p) getname (*(u_long *)(p))
38 #define ipaddr_string_bytewise(p) getname (*(u_long *)(p))
39 #else
40 #if BYTE_ORDER == LITTLE_ENDIAN
41 #define ipaddr_string(p) getname ((u_long)\
42 			  (*(u_short *)(p))|(*(((u_short *)p)+1)<<16))
43 #define ipaddr_string_bytewise(p)\
44 	getname((u_long)\
45 		(*(((u_char *)(p))+3)<<24 | *(((u_char *)(p))+2)<<16 | \
46 		 *(((u_char *)(p))+1)<<8 | *(((u_char *)(p))+0)<<0))
47 #else
48 #define ipaddr_string(p)\
49 	getname((u_long)\
50 		(((*(u_short *)(p))<<16)|*(((u_short *)p)+1)))
51 #define ipaddr_string_bytewise(p)\
52 	getname((u_long)\
53 		(((*(u_char *)(p))<<24)|*(((u_char *)(p))+1)<<16|\
54 		 *(((u_char *)p)+2)<<8|*(((u_char *)p)+3)))
55 #endif
56 #endif
57