1 /*-
2 * Copyright (c) 1985, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30 #ifndef lint
31 #if 0
32 static char sccsid[] = "@(#)byteorder.c 8.1 (Berkeley) 6/6/93";
33 #endif
34 static const char rcsid[] =
35 "$FreeBSD$";
36 #endif /* not lint */
37
38 #include "globals.h"
39
40 /*
41 * Two routines to do the necessary byte swapping for timed protocol
42 * messages. Protocol is defined in /usr/include/protocols/timed.h
43 */
44 void
bytenetorder(struct tsp * ptr)45 bytenetorder(struct tsp *ptr)
46 {
47 ptr->tsp_seq = htons((u_short)ptr->tsp_seq);
48 switch (ptr->tsp_type) {
49
50 case TSP_SETTIME:
51 case TSP_ADJTIME:
52 case TSP_SETDATE:
53 case TSP_SETDATEREQ:
54 ptr->tsp_time.tv_sec = htonl((u_long)ptr->tsp_time.tv_sec);
55 ptr->tsp_time.tv_usec = htonl((u_long)ptr->tsp_time.tv_usec);
56 break;
57
58 default:
59 break; /* nothing more needed */
60 }
61 }
62
63 void
bytehostorder(struct tsp * ptr)64 bytehostorder(struct tsp *ptr)
65 {
66 ptr->tsp_seq = ntohs((u_short)ptr->tsp_seq);
67 switch (ptr->tsp_type) {
68
69 case TSP_SETTIME:
70 case TSP_ADJTIME:
71 case TSP_SETDATE:
72 case TSP_SETDATEREQ:
73 ptr->tsp_time.tv_sec = ntohl((u_long)ptr->tsp_time.tv_sec);
74 ptr->tsp_time.tv_usec = ntohl((u_long)ptr->tsp_time.tv_usec);
75 break;
76
77 default:
78 break; /* nothing more needed */
79 }
80 }
81