binio.c revision 1.2
1/* $NetBSD: binio.c,v 1.2 2014/12/19 20:43:17 christos Exp $ */ 2 3/* 4 * /src/NTP/ntp4-dev/libntp/binio.c,v 4.5 2005/04/16 17:32:10 kardel RELEASE_20050508_A 5 * 6 * binio.c,v 4.5 2005/04/16 17:32:10 kardel RELEASE_20050508_A 7 * 8 * $Created: Sun Jul 20 12:55:33 1997 $ 9 * 10 * Copyright (c) 1997-2005 by Frank Kardel <kardel <AT> ntp.org> 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. Neither the name of the author nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 */ 37 38#include <config.h> 39#include "binio.h" 40 41long 42get_lsb_short( 43 unsigned char **bufpp 44 ) 45{ 46 long retval; 47 48 retval = *((*bufpp)++); 49 retval |= *((*bufpp)++) << 8; 50 51 return (retval & 0x8000) ? (~0xFFFF | retval) : retval; 52} 53 54void 55put_lsb_short( 56 unsigned char **bufpp, 57 long val 58 ) 59{ 60 *((*bufpp)++) = (unsigned char) (val & 0xFF); 61 *((*bufpp)++) = (unsigned char) ((val >> 8) & 0xFF); 62} 63 64long 65get_lsb_long( 66 unsigned char **bufpp 67 ) 68{ 69 long retval; 70 71 retval = *((*bufpp)++); 72 retval |= *((*bufpp)++) << 8; 73 retval |= *((*bufpp)++) << 16; 74 retval |= (u_long)*((*bufpp)++) << 24; 75 76 return retval; 77} 78 79void 80put_lsb_long( 81 unsigned char **bufpp, 82 long val 83 ) 84{ 85 *((*bufpp)++) = (unsigned char)(val & 0xFF); 86 *((*bufpp)++) = (unsigned char)((val >> 8) & 0xFF); 87 *((*bufpp)++) = (unsigned char)((val >> 16) & 0xFF); 88 *((*bufpp)++) = (unsigned char)((val >> 24) & 0xFF); 89} 90 91long 92get_msb_short( 93 unsigned char **bufpp 94 ) 95{ 96 long retval; 97 98 retval = *((*bufpp)++) << 8; 99 retval |= *((*bufpp)++); 100 101 return (retval & 0x8000) ? (~0xFFFF | retval) : retval; 102} 103 104void 105put_msb_short( 106 unsigned char **bufpp, 107 long val 108 ) 109{ 110 *((*bufpp)++) = (unsigned char)((val >> 8) & 0xFF); 111 *((*bufpp)++) = (unsigned char)( val & 0xFF); 112} 113 114long 115get_msb_long( 116 unsigned char **bufpp 117 ) 118{ 119 long retval; 120 121 retval = (u_long)*((*bufpp)++) << 24; 122 retval |= *((*bufpp)++) << 16; 123 retval |= *((*bufpp)++) << 8; 124 retval |= *((*bufpp)++); 125 126 return retval; 127} 128 129void 130put_msb_long( 131 unsigned char **bufpp, 132 long val 133 ) 134{ 135 *((*bufpp)++) = (unsigned char)((val >> 24) & 0xFF); 136 *((*bufpp)++) = (unsigned char)((val >> 16) & 0xFF); 137 *((*bufpp)++) = (unsigned char)((val >> 8 ) & 0xFF); 138 *((*bufpp)++) = (unsigned char)( val & 0xFF); 139} 140 141/* 142 * binio.c,v 143 * Revision 4.2 1999/02/21 12:17:34 kardel 144 * 4.91f reconcilation 145 * 146 * Revision 4.1 1998/06/28 16:47:50 kardel 147 * added {get,put}_msb_{short,long} functions 148 * 149 * Revision 4.0 1998/04/10 19:46:16 kardel 150 * Start 4.0 release version numbering 151 * 152 * Revision 1.1 1998/04/10 19:27:46 kardel 153 * initial NTP VERSION 4 integration of PARSE with GPS166 binary support 154 * 155 * Revision 1.1 1997/10/06 21:05:46 kardel 156 * new parse structure 157 * 158 */ 159