release/src/router/tcpdump/nfsfh.h

   1 /* @(#) $Header: /tcpdump/master/tcpdump/nfsfh.h,v 1.13 2002-04-24 06:27:05 guy Exp $ (LBL) */
   2
   3 /*
   4  * Copyright (c) 1993, 1994 Jeffrey C. Mogul, Digital Equipment Corporation,
   5  * Western Research Laboratory. All rights reserved.
   6  * Copyright (c) 2001 Compaq Computer Corporation. All rights reserved.
   7  *
   8  *  Permission to use, copy, and modify this software and its
   9  *  documentation is hereby granted only under the following terms and
  10  *  conditions.  Both the above copyright notice and this permission
  11  *  notice must appear in all copies of the software, derivative works
  12  *  or modified versions, and any portions thereof, and both notices
  13  *  must appear in supporting documentation.
  14  *
  15  *  Redistribution and use in source and binary forms, with or without
  16  *  modification, are permitted provided that the following conditions
  17  *  are met:
  18  *    1. Redistributions of source code must retain the above copyright
  19  *    notice, this list of conditions and the following disclaimer.
  20  *    2. Redistributions in binary form must reproduce the above copyright
  21  *    notice, this list of conditions and the following disclaimer in
  22  *    the documentation and/or other materials provided with the
  23  *    distribution.
  24  *
  25  *  THE SOFTWARE IS PROVIDED "AS IS" AND COMPAQ COMPUTER CORPORATION
  26  *  DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
  27  *  ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.   IN NO
  28  *  EVENT SHALL COMPAQ COMPUTER CORPORATION BE LIABLE FOR ANY
  29  *  SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  30  *  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
  31  *  AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
  32  *  OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
  33  *  SOFTWARE.
  34  */
  35
  36 /*
  37  * nfsfh.h - NFS file handle definitions (for portable use)
  38  *
  39  * Jeffrey C. Mogul
  40  * Digital Equipment Corporation
  41  * Western Research Laboratory
  42  */
  43
  44 /*
  45  * Internal representation of dev_t, because different NFS servers
  46  * that we might be spying upon use different external representations.
  47  */
  48 typedef struct {
  49         u_int32_t Minor;        /* upper case to avoid clashing with macro names */
  50         u_int32_t Major;
  51 } my_devt;
  52
  53 #define dev_eq(a,b)     ((a.Minor == b.Minor) && (a.Major == b.Major))
  54
  55 /*
  56  * Many file servers now use a large file system ID.  This is
  57  * our internal representation of that.
  58  */
  59 typedef struct {
  60         my_devt Fsid_dev;               /* XXX avoid name conflict with AIX */
  61         char Opaque_Handle[2 * 32 + 1];
  62         u_int32_t fsid_code;
  63 } my_fsid;
  64
  65 #define fsid_eq(a,b)    ((a.fsid_code == b.fsid_code) &&\
  66                          dev_eq(a.Fsid_dev, b.Fsid_dev))
  67
  68 extern void Parse_fh(const unsigned char *, int, my_fsid *, ino_t *, const char **, const char **, int);