1/* 2 * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_LICENSE_HEADER_START@ 5 * 6 * The contents of this file constitute Original Code as defined in and 7 * are subject to the Apple Public Source License Version 1.1 (the 8 * "License"). You may not use this file except in compliance with the 9 * License. Please obtain a copy of the License at 10 * http://www.apple.com/publicsource and read it before using this file. 11 * 12 * This Original Code and all software distributed under the License are 13 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER 14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the 17 * License for the specific language governing rights and limitations 18 * under the License. 19 * 20 * @APPLE_LICENSE_HEADER_END@ 21 */ 22/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ 23/* 24 * Copyright (c) 1989, 1993 25 * The Regents of the University of California. All rights reserved. 26 * 27 * This code is derived from software contributed to Berkeley by 28 * Rick Macklem at The University of Guelph. 29 * 30 * Redistribution and use in source and binary forms, with or without 31 * modification, are permitted provided that the following conditions 32 * are met: 33 * 1. Redistributions of source code must retain the above copyright 34 * notice, this list of conditions and the following disclaimer. 35 * 2. Redistributions in binary form must reproduce the above copyright 36 * notice, this list of conditions and the following disclaimer in the 37 * documentation and/or other materials provided with the distribution. 38 * 3. All advertising materials mentioning features or use of this software 39 * must display the following acknowledgement: 40 * This product includes software developed by the University of 41 * California, Berkeley and its contributors. 42 * 4. Neither the name of the University nor the names of its contributors 43 * may be used to endorse or promote products derived from this software 44 * without specific prior written permission. 45 * 46 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 47 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 48 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 49 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 50 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 51 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 52 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 53 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 54 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 55 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 56 * SUCH DAMAGE. 57 * 58 * @(#)xdr_subs.h 8.3 (Berkeley) 3/30/95 59 * FreeBSD-Id: xdr_subs.h,v 1.9 1997/02/22 09:42:53 peter Exp $ 60 */ 61 62 63 64#ifndef _NFS_XDR_SUBS_H_ 65#define _NFS_XDR_SUBS_H_ 66 67#include <sys/appleapiopts.h> 68 69#ifdef __APPLE_API_PRIVATE 70/* 71 * Macros used for conversion to/from xdr representation by nfs... 72 * These use the MACHINE DEPENDENT routines ntohl, htonl 73 * As defined by "XDR: External Data Representation Standard" RFC1014 74 * 75 * To simplify the implementation, we use ntohl/htonl even on big-endian 76 * machines, and count on them being `#define'd away. Some of these 77 * might be slightly more efficient as quad_t copies on a big-endian, 78 * but we cannot count on their alignment anyway. 79 */ 80 81#define fxdr_unsigned(t, v) ((t)ntohl((long)(v))) 82#define txdr_unsigned(v) (htonl((long)(v))) 83 84#define fxdr_nfsv2time(f, t) { \ 85 (t)->tv_sec = ntohl(((struct nfsv2_time *)(f))->nfsv2_sec); \ 86 if (((struct nfsv2_time *)(f))->nfsv2_usec != 0xffffffff) \ 87 (t)->tv_nsec = 1000 * ntohl(((struct nfsv2_time *)(f))->nfsv2_usec); \ 88 else \ 89 (t)->tv_nsec = 0; \ 90} 91#define txdr_nfsv2time(f, t) { \ 92 ((struct nfsv2_time *)(t))->nfsv2_sec = htonl((f)->tv_sec); \ 93 if ((f)->tv_nsec != -1) \ 94 ((struct nfsv2_time *)(t))->nfsv2_usec = htonl((f)->tv_nsec / 1000); \ 95 else \ 96 ((struct nfsv2_time *)(t))->nfsv2_usec = 0xffffffff; \ 97} 98 99#define fxdr_nfsv3time(f, t) { \ 100 (t)->tv_sec = ntohl(((struct nfsv3_time *)(f))->nfsv3_sec); \ 101 (t)->tv_nsec = ntohl(((struct nfsv3_time *)(f))->nfsv3_nsec); \ 102} 103#define txdr_nfsv3time(f, t) { \ 104 ((struct nfsv3_time *)(t))->nfsv3_sec = htonl((f)->tv_sec); \ 105 ((struct nfsv3_time *)(t))->nfsv3_nsec = htonl((f)->tv_nsec); \ 106} 107 108#define fxdr_hyper(f, t) { \ 109 ((long *)(t))[_QUAD_HIGHWORD] = ntohl(((long *)(f))[0]); \ 110 ((long *)(t))[_QUAD_LOWWORD] = ntohl(((long *)(f))[1]); \ 111} 112#define txdr_hyper(f, t) { \ 113 ((long *)(t))[0] = htonl(((long *)(f))[_QUAD_HIGHWORD]); \ 114 ((long *)(t))[1] = htonl(((long *)(f))[_QUAD_LOWWORD]); \ 115} 116 117#endif /* __APPLE_API_PRIVATE */ 118#endif /* _NFS_XDR_SUBS_H_ */ 119