include/rpcsvc/dbm.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 2014, 2016 PALO, Richard.
  24  *
  25  * Copyright 1989 Sun Microsystems, Inc.  All rights reserved.
  26  * Use is subject to license terms.
  27  */
  28
  29 /*      Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T     */
  30 /*        All Rights Reserved   */
  31
  32 /*
  33  * Portions of this source code were derived from Berkeley 4.3 BSD
  34  * under license from the Regents of the University of California.
  35  */
  36
  37 #ifndef _RPCSVC_DBM_H
  38 #define _RPCSVC_DBM_H
  39
  40 #include <sys/isa_defs.h>
  41 #include <sys/null.h>
  42
  43 #ifdef  __cplusplus
  44 extern "C" {
  45 #endif
  46
  47 #define PBLKSIZ 1024
  48 #define DBLKSIZ 4096
  49 #define BYTESIZ 8
  50
  51 static long     bitno;
  52 static long     maxbno;
  53 static long     blkno;
  54 static long     hmask;
  55
  56 static char     pagbuf[PBLKSIZ];
  57 static char     dirbuf[DBLKSIZ];
  58
  59 static int      dirf;
  60 static int      pagf;
  61 static int      dbrdonly;
  62
  63 typedef struct
  64 {
  65         char    *dptr;
  66         int     dsize;
  67 } datum;
  68
  69 datum   fetch(datum);
  70 datum   makdatum(char *, int);
  71 datum   firstkey(void);
  72 datum   nextkey(datum);
  73 datum   firsthash(long);
  74 long    calchash(datum);
  75 long    hashinc(long);
  76
  77 #ifdef  __cplusplus
  78 }
  79 #endif
  80
  81 #endif  /* _RPCSVC_DBM_H */