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[unix-history] / sys / nfs / xdr_subs.h
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1/*
2 * Copyright (c) 1989 The Regents of the University of California.
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Rick Macklem at The University of Guelph.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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 *
78ed81a3 36 * From: @(#)xdr_subs.h 7.3 (Berkeley) 6/28/90
37 * $Id$
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38 */
39
78ed81a3 40#ifndef __h_xdr_subs
41#define __h_xdr_subs 1
42
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43/*
44 * Macros used for conversion to/from xdr representation by nfs...
45 * These use the MACHINE DEPENDENT routines ntohl, htonl
46 * As defined by "XDR: External Data Representation Standard" RFC1014
47 */
48/* From xdr to machine */
49#define fxdr_unsigned(t, v) ((t)ntohl((long)(v)))
50#define fxdr_time(f, t) {((struct timeval *)(t))->tv_sec=ntohl( \
51 ((struct timeval *)(f))->tv_sec); \
52 ((struct timeval *)(t))->tv_usec=ntohl( \
53 ((struct timeval *)(f))->tv_usec);}
54
55/* from machine to xdr */
56#define txdr_unsigned(v) (htonl((long)(v)))
57#define txdr_time(f, t) {((struct timeval *)(t))->tv_sec=htonl( \
58 ((struct timeval *)(f))->tv_sec); \
59 ((struct timeval *)(t))->tv_usec=htonl( \
60 ((struct timeval *)(f))->tv_usec);}
61
78ed81a3 62
63#endif /* __h_xdr_subs */