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ndbm.h revision 1.13 
      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 #if defined(__LIBC12_SOURCE__)
     64 	int	 dsize;		/* XXX */
     65 #else
     66 	size_t	 dsize;		/* XPG4.2 */
     67 #endif
     68 } datum;
     69 
     70 typedef DB DBM;
     71 #if defined(_NETBSD_SOURCE)
     72 #define	dbm_pagfno(a)	DBM_PAGFNO_NOT_AVAILABLE
     73 #endif
     74 
     75 __BEGIN_DECLS
     76 void	 dbm_close(DBM *);
     77 DBM	*dbm_open(const char *, int, mode_t);
     78 int	 dbm_error(DBM *);
     79 int	 dbm_clearerr(DBM *);
     80 #if defined(_NETBSD_SOURCE)
     81 int	 dbm_dirfno(DBM *);
     82 #endif
     83 #if defined(__LIBC12_SOURCE__)
     84 int	 dbm_delete(DBM *, datum);
     85 datum	 dbm_fetch(DBM *, datum);
     86 datum	 dbm_firstkey(DBM *);
     87 datum	 dbm_nextkey(DBM *);
     88 int	 dbm_store(DBM *, datum, datum, int);
     89 #else
     90 int	 dbm_delete(DBM *, datum)		__RENAME(__dbm_delete13);
     91 datum	 dbm_fetch(DBM *, datum)		__RENAME(__dbm_fetch13);
     92 datum	 dbm_firstkey(DBM *)			__RENAME(__dbm_firstkey13);
     93 datum	 dbm_nextkey(DBM *)			__RENAME(__dbm_nextkey13);
     94 int	 dbm_store(DBM *, datum, datum, int)	__RENAME(__dbm_store13);
     95 #endif
     96 __END_DECLS
     97 
     98 #endif /* !_NDBM_H_ */
     99