1 /*
2  * Copyright (c) 1983 Regents of the University of California.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms are permitted
6  * provided that the above copyright notice and this paragraph are
7  * duplicated in all such forms and that any documentation,
8  * advertising materials, and other materials related to such
9  * distribution and use acknowledge that the software was developed
10  * by the University of California, Berkeley.  The name of the
11  * University may not be used to endorse or promote products derived
12  * from this software without specific prior written permission.
13  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
14  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
15  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
16  */
17 
18 #ifndef lint
19 static char sccsid[] = "@(#)byteorder.c	2.6 (Berkeley) 06/18/88";
20 #endif /* not lint */
21 
22 #include "globals.h"
23 #include <protocols/timed.h>
24 
25 /*
26  * Two routines to do the necessary byte swapping for timed protocol
27  * messages. Protocol is defined in /usr/include/protocols/timed.h
28  */
29 
30 bytenetorder(ptr)
31 struct tsp *ptr;
32 {
33 	ptr->tsp_seq = htons((u_short)ptr->tsp_seq);
34 	switch (ptr->tsp_type) {
35 
36 	case TSP_SETTIME:
37 	case TSP_ADJTIME:
38 	case TSP_SETDATE:
39 	case TSP_SETDATEREQ:
40 		ptr->tsp_time.tv_sec = htonl((u_long)ptr->tsp_time.tv_sec);
41 		ptr->tsp_time.tv_usec = htonl((u_long)ptr->tsp_time.tv_usec);
42 		break;
43 
44 	default:
45 		break;		/* nothing more needed */
46 	}
47 }
48 
49 bytehostorder(ptr)
50 struct tsp *ptr;
51 {
52 	ptr->tsp_seq = ntohs((u_short)ptr->tsp_seq);
53 	switch (ptr->tsp_type) {
54 
55 	case TSP_SETTIME:
56 	case TSP_ADJTIME:
57 	case TSP_SETDATE:
58 	case TSP_SETDATEREQ:
59 		ptr->tsp_time.tv_sec = ntohl((u_long)ptr->tsp_time.tv_sec);
60 		ptr->tsp_time.tv_usec = ntohl((u_long)ptr->tsp_time.tv_usec);
61 		break;
62 
63 	default:
64 		break;		/* nothing more needed */
65 	}
66 }
67