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IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 23 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 26 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 * 30 * Portions of this software have been released under the following terms: 31 * 32 * (c) Copyright 1989-1993 OPEN SOFTWARE FOUNDATION, INC. 33 * (c) Copyright 1989-1993 HEWLETT-PACKARD COMPANY 34 * (c) Copyright 1989-1993 DIGITAL EQUIPMENT CORPORATION 35 * 36 * To anyone who acknowledges that this file is provided "AS IS" 37 * without any express or implied warranty: 38 * permission to use, copy, modify, and distribute this file for any 39 * purpose is hereby granted without fee, provided that the above 40 * copyright notices and this notice appears in all source code copies, 41 * and that none of the names of Open Software Foundation, Inc., Hewlett- 42 * Packard Company or Digital Equipment Corporation be used 43 * in advertising or publicity pertaining to distribution of the software 44 * without specific, written prior permission. Neither Open Software 45 * Foundation, Inc., Hewlett-Packard Company nor Digital 46 * Equipment Corporation makes any representations about the suitability 47 * of this software for any purpose. 48 * 49 * Copyright (c) 2007, Novell, Inc. All rights reserved. 50 * Redistribution and use in source and binary forms, with or without 51 * modification, are permitted provided that the following conditions 52 * are met: 53 * 54 * 1. Redistributions of source code must retain the above copyright 55 * notice, this list of conditions and the following disclaimer. 56 * 2. Redistributions in binary form must reproduce the above copyright 57 * notice, this list of conditions and the following disclaimer in the 58 * documentation and/or other materials provided with the distribution. 59 * 3. Neither the name of Novell Inc. nor the names of its contributors 60 * may be used to endorse or promote products derived from this 61 * this software without specific prior written permission. 62 * 63 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 64 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 65 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 66 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY 67 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 68 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 69 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 70 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 71 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 72 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 73 * 74 * @APPLE_LICENSE_HEADER_END@ 75 */ 76 77/* 78** 79** NAME: 80** 81** ndrp.h 82** 83** FACILITY: 84** 85** Network Data Representation (NDR) 86** 87** ABSTRACT: 88** 89** System (machine-architecture) -dependent definitions. 90** 91** 92*/ 93 94#ifndef _NDRP_H 95#define _NDRP_H 1 96 97/* 98 * Data representation descriptor (drep) 99 * 100 * Note that the form of a drep "on the wire" is not captured by the 101 * the "ndr_format_t" data type. The actual structure -- a "packed drep" 102 * -- is a vector of four bytes: 103 * 104 * | MSB LSB | 105 * |<---- 8 bits ----->| 106 * |<-- 4 -->|<-- 4 -->| 107 * 108 * +---------+---------+ 109 * | int rep | chr rep | 110 * +---------+---------+ 111 * | float rep | 112 * +-------------------+ 113 * | reserved | 114 * +-------------------+ 115 * | reserved | 116 * +-------------------+ 117 * 118 * The following macros manipulate data representation descriptors. 119 * "NDR_COPY_DREP" copies one packed drep into another. "NDR_UNPACK_DREP" 120 * copies from a packed drep into a variable of the type "ndr_format_t". 121 * 122 */ 123 124#ifdef CONVENTIONAL_ALIGNMENT 125# define NDR_COPY_DREP(dst, src) \ 126 (*((signed32 *) (dst)) = *((signed32 *) (src))) 127#else 128# define NDR_COPY_DREP(dst, src) { \ 129 (dst)[0] = (src)[0]; \ 130 (dst)[1] = (src)[1]; \ 131 (dst)[2] = (src)[2]; \ 132 (dst)[3] = (src)[3]; \ 133 } 134#endif 135 136#define NDR_DREP_INT_REP(drep) ((drep)[0] >> 4) 137#define NDR_DREP_CHAR_REP(drep) ((drep)[0] & 0xf) 138#define NDR_DREP_FLOAT_REP(drep) ((drep)[1]) 139 140#define NDR_UNPACK_DREP(dst, src) { \ 141 (dst)->int_rep = NDR_DREP_INT_REP(src); \ 142 (dst)->char_rep = NDR_DREP_CHAR_REP(src); \ 143 (dst)->float_rep = NDR_DREP_FLOAT_REP(src); \ 144 (dst)->reserved = 0; \ 145} 146 147#endif /* _NDRP_H */ 148