xdr_subs.h revision 1541
11541Srgrimes/* 21541Srgrimes * Copyright (c) 1989, 1993 31541Srgrimes * The Regents of the University of California. All rights reserved. 41541Srgrimes * 51541Srgrimes * This code is derived from software contributed to Berkeley by 61541Srgrimes * Rick Macklem at The University of Guelph. 71541Srgrimes * 81541Srgrimes * Redistribution and use in source and binary forms, with or without 91541Srgrimes * modification, are permitted provided that the following conditions 101541Srgrimes * are met: 111541Srgrimes * 1. Redistributions of source code must retain the above copyright 121541Srgrimes * notice, this list of conditions and the following disclaimer. 131541Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 141541Srgrimes * notice, this list of conditions and the following disclaimer in the 151541Srgrimes * documentation and/or other materials provided with the distribution. 161541Srgrimes * 3. All advertising materials mentioning features or use of this software 171541Srgrimes * must display the following acknowledgement: 181541Srgrimes * This product includes software developed by the University of 191541Srgrimes * California, Berkeley and its contributors. 201541Srgrimes * 4. Neither the name of the University nor the names of its contributors 211541Srgrimes * may be used to endorse or promote products derived from this software 221541Srgrimes * without specific prior written permission. 231541Srgrimes * 241541Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 251541Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 261541Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 271541Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 281541Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 291541Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 301541Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 311541Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 321541Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 331541Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 341541Srgrimes * SUCH DAMAGE. 351541Srgrimes * 361541Srgrimes * @(#)xdr_subs.h 8.1 (Berkeley) 6/10/93 371541Srgrimes */ 381541Srgrimes 391541Srgrimes/* 401541Srgrimes * Macros used for conversion to/from xdr representation by nfs... 411541Srgrimes * These use the MACHINE DEPENDENT routines ntohl, htonl 421541Srgrimes * As defined by "XDR: External Data Representation Standard" RFC1014 431541Srgrimes * 441541Srgrimes * To simplify the implementation, we use ntohl/htonl even on big-endian 451541Srgrimes * machines, and count on them being `#define'd away. Some of these 461541Srgrimes * might be slightly more efficient as quad_t copies on a big-endian, 471541Srgrimes * but we cannot count on their alignment anyway. 481541Srgrimes */ 491541Srgrimes 501541Srgrimes#define fxdr_unsigned(t, v) ((t)ntohl((long)(v))) 511541Srgrimes#define txdr_unsigned(v) (htonl((long)(v))) 521541Srgrimes 531541Srgrimes#define fxdr_nfstime(f, t) { \ 541541Srgrimes (t)->ts_sec = ntohl(((struct nfsv2_time *)(f))->nfs_sec); \ 551541Srgrimes (t)->ts_nsec = 1000 * ntohl(((struct nfsv2_time *)(f))->nfs_usec); \ 561541Srgrimes} 571541Srgrimes#define txdr_nfstime(f, t) { \ 581541Srgrimes ((struct nfsv2_time *)(t))->nfs_sec = htonl((f)->ts_sec); \ 591541Srgrimes ((struct nfsv2_time *)(t))->nfs_usec = htonl((f)->ts_nsec) / 1000; \ 601541Srgrimes} 611541Srgrimes 621541Srgrimes#define fxdr_nqtime(f, t) { \ 631541Srgrimes (t)->ts_sec = ntohl(((struct nqnfs_time *)(f))->nq_sec); \ 641541Srgrimes (t)->ts_nsec = ntohl(((struct nqnfs_time *)(f))->nq_nsec); \ 651541Srgrimes} 661541Srgrimes#define txdr_nqtime(f, t) { \ 671541Srgrimes ((struct nqnfs_time *)(t))->nq_sec = htonl((f)->ts_sec); \ 681541Srgrimes ((struct nqnfs_time *)(t))->nq_nsec = htonl((f)->ts_nsec); \ 691541Srgrimes} 701541Srgrimes 711541Srgrimes#define fxdr_hyper(f, t) { \ 721541Srgrimes ((long *)(t))[_QUAD_HIGHWORD] = ntohl(((long *)(f))[0]); \ 731541Srgrimes ((long *)(t))[_QUAD_LOWWORD] = ntohl(((long *)(f))[1]); \ 741541Srgrimes} 751541Srgrimes#define txdr_hyper(f, t) { \ 761541Srgrimes ((long *)(t))[0] = htonl(((long *)(f))[_QUAD_HIGHWORD]); \ 771541Srgrimes ((long *)(t))[1] = htonl(((long *)(f))[_QUAD_LOWWORD]); \ 781541Srgrimes} 79