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 * 3. 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 #include <sys/cdefs.h>
31 #ifndef lint
32 #if 0
33 static char sccsid[] = "@(#)byteorder.c 8.1 (Berkeley) 6/6/93";
34 #else
35 __RCSID("$NetBSD: byteorder.c,v 1.9 2007/01/25 23:25:20 cbiere Exp $");
36 #endif
37 #endif /* not lint */
38
39 #include "globals.h"
40
41 /*
42 * Two routines to do the necessary byte swapping for timed protocol
43 * messages. Protocol is defined in /usr/include/protocols/timed.h
44 */
45 void
bytenetorder(struct tsp * ptr)46 bytenetorder(struct tsp *ptr)
47 {
48 ptr->tsp_seq = htons((uint16_t)ptr->tsp_seq);
49 switch (ptr->tsp_type) {
50
51 case TSP_SETTIME:
52 case TSP_ADJTIME:
53 case TSP_SETDATE:
54 case TSP_SETDATEREQ:
55 ptr->tsp_time.tv_sec = htonl((uint32_t)ptr->tsp_time.tv_sec);
56 ptr->tsp_time.tv_usec = htonl((uint32_t)ptr->tsp_time.tv_usec);
57 break;
58
59 default:
60 break; /* nothing more needed */
61 }
62 }
63
64 void
bytehostorder(struct tsp * ptr)65 bytehostorder(struct tsp *ptr)
66 {
67 ptr->tsp_seq = ntohs((uint16_t)ptr->tsp_seq);
68 switch (ptr->tsp_type) {
69
70 case TSP_SETTIME:
71 case TSP_ADJTIME:
72 case TSP_SETDATE:
73 case TSP_SETDATEREQ:
74 ptr->tsp_time.tv_sec = ntohl((uint32_t)ptr->tsp_time.tv_sec);
75 ptr->tsp_time.tv_usec = ntohl((uint32_t)ptr->tsp_time.tv_usec);
76 break;
77
78 default:
79 break; /* nothing more needed */
80 }
81 }
82