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ndbm.h revision 1.6 
      1 /*	$NetBSD: ndbm.h,v 1.6 1995/07/20 23:31:11 jtc 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. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the University of
     21  *	California, Berkeley and its contributors.
     22  * 4. Neither the name of the University nor the names of its contributors
     23  *    may be used to endorse or promote products derived from this software
     24  *    without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     36  * SUCH DAMAGE.
     37  *
     38  *	@(#)ndbm.h	8.1 (Berkeley) 6/2/93
     39  */
     40 
     41 #ifndef _NDBM_H_
     42 #define	_NDBM_H_
     43 
     44 #include <db.h>
     45 
     46 /* Map dbm interface onto db(3). */
     47 #define DBM_RDONLY	O_RDONLY
     48 
     49 /* Flags to dbm_store(). */
     50 #define DBM_INSERT      0
     51 #define DBM_REPLACE     1
     52 
     53 /*
     54  * The db(3) support for ndbm(3) always appends this suffix to the
     55  * file name to avoid overwriting the user's original database.
     56  */
     57 #define	DBM_SUFFIX	".db"
     58 
     59 typedef struct {
     60 	char *dptr;
     61 	int dsize;
     62 } datum;
     63 
     64 typedef DB DBM;
     65 #define	dbm_pagfno(a)	DBM_PAGFNO_NOT_AVAILABLE
     66 
     67 __BEGIN_DECLS
     68 void	 dbm_close __P((DBM *));
     69 int	 dbm_delete __P((DBM *, datum));
     70 datum	 dbm_fetch __P((DBM *, datum));
     71 datum	 dbm_firstkey __P((DBM *));
     72 long	 dbm_forder __P((DBM *, datum));
     73 datum	 dbm_nextkey __P((DBM *));
     74 DBM	*dbm_open __P((const char *, int, int));
     75 int	 dbm_store __P((DBM *, datum, datum, int));
     76 int	 dbm_dirfno __P((DBM *));
     77 int	 dbm_error __P((DBM *));
     78 int	 dbm_clearerr __P((DBM *));
     79 __END_DECLS
     80 
     81 #endif /* !_NDBM_H_ */
     82