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. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #include <sys/cdefs.h> 35 #ifndef lint 36 #if 0 37 static char sccsid[] = "@(#)byteorder.c 8.1 (Berkeley) 6/6/93"; 38 #else 39 __RCSID("$NetBSD: byteorder.c,v 1.7 2002/07/06 22:08:31 wiz Exp $"); 40 #endif 41 #endif /* not lint */ 42 43 #include "globals.h" 44 45 /* 46 * Two routines to do the necessary byte swapping for timed protocol 47 * messages. Protocol is defined in /usr/include/protocols/timed.h 48 */ 49 void 50 bytenetorder(struct tsp *ptr) 51 { 52 ptr->tsp_seq = htons((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 = htonl((u_long)ptr->tsp_time.tv_sec); 60 ptr->tsp_time.tv_usec = htonl((u_long)ptr->tsp_time.tv_usec); 61 break; 62 63 default: 64 break; /* nothing more needed */ 65 } 66 } 67 68 void 69 bytehostorder(struct tsp *ptr) 70 { 71 ptr->tsp_seq = ntohs((u_short)ptr->tsp_seq); 72 switch (ptr->tsp_type) { 73 74 case TSP_SETTIME: 75 case TSP_ADJTIME: 76 case TSP_SETDATE: 77 case TSP_SETDATEREQ: 78 ptr->tsp_time.tv_sec = ntohl((u_long)ptr->tsp_time.tv_sec); 79 ptr->tsp_time.tv_usec = ntohl((u_long)ptr->tsp_time.tv_usec); 80 break; 81 82 default: 83 break; /* nothing more needed */ 84 } 85 } 86