include/ndbm.h

   1 /*      $NetBSD: ndbm.h,v 1.13 2004/04/28 00:10:52 kleink Exp $ */
   2
   3 /*-
   4  * Copyright (c) 1990, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * This code is derived from software contributed to Berkeley by
   8  * Margo Seltzer.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. Neither the name of the University nor the names of its contributors
  19  *    may be used to endorse or promote products derived from this software
  20  *    without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  *
  34  *      @(#)ndbm.h      8.1 (Berkeley) 6/2/93
  35  */
  36
  37 #ifndef _NDBM_H_
  38 #define _NDBM_H_
  39
  40 #include <sys/cdefs.h>
  41 #include <sys/featuretest.h>
  42 #include <db.h>
  43
  44 #if defined(_NETBSD_SOURCE)
  45 /* Map dbm interface onto db(3). */
  46 #define DBM_RDONLY      O_RDONLY
  47 #endif
  48
  49 /* Flags to dbm_store(). */
  50 #define DBM_INSERT      0
  51 #define DBM_REPLACE     1
  52
  53 #if defined(_NETBSD_SOURCE)
  54 /*
  55  * The db(3) support for ndbm(3) always appends this suffix to the
  56  * file name to avoid overwriting the user's original database.
  57  */
  58 #define DBM_SUFFIX      ".db"
  59 #endif
  60
  61 typedef struct {
  62         void    *dptr;
  63         size_t   dsize;         /* XPG4.2 */
  64 } datum;
  65
  66 typedef DB DBM;
  67 #if defined(_NETBSD_SOURCE)
  68 #define dbm_pagfno(a)   DBM_PAGFNO_NOT_AVAILABLE
  69 #endif
  70
  71 __BEGIN_DECLS
  72 void     dbm_close(DBM *);
  73 DBM     *dbm_open(const char *, int, mode_t);
  74 int      dbm_error(DBM *);
  75 int      dbm_clearerr(DBM *);
  76 #if defined(_NETBSD_SOURCE)
  77 int      dbm_dirfno(DBM *);
  78 #endif
  79 #ifndef __LIBC12_SOURCE__
  80 int      dbm_delete(DBM *, datum)               __RENAME(__dbm_delete13);
  81 datum    dbm_fetch(DBM *, datum)                __RENAME(__dbm_fetch13);
  82 datum    dbm_firstkey(DBM *)                    __RENAME(__dbm_firstkey13);
  83 datum    dbm_nextkey(DBM *)                     __RENAME(__dbm_nextkey13);
  84 int      dbm_store(DBM *, datum, datum, int)    __RENAME(__dbm_store13);
  85 #endif
  86 __END_DECLS
  87
  88 #endif /* !_NDBM_H_ */