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
33static char sccsid[] = "@(#)byteorder.c	8.1 (Berkeley) 6/6/93";
34#else
35__RCSID("$NetBSD: byteorder.c,v 1.8 2003/08/07 11:25:46 agc 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 */
45void
46bytenetorder(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
64void
65bytehostorder(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