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1 /*-

4 *

5 * This code is derived from software contributed to Berkeley by

6 * Margo Seltzer.

7 *

8 * Redistribution and use in source and binary forms, with or without

9 * modification, are permitted provided that the following conditions

10 * are met:

11 * 1. Redistributions of source code must retain the above copyright

12 * notice, this list of conditions and the following disclaimer.

13 * 2. Redistributions in binary form must reproduce the above copyright

14 * notice, this list of conditions and the following disclaimer in the

15 * documentation and/or other materials provided with the distribution.

16 * 3. All advertising materials mentioning features or use of this software

17 * must display the following acknowledgement:

18 * This product includes software developed by the University of

19 * California, Berkeley and its contributors.

20 * 4. Neither the name of the University nor the names of its contributors

21 * may be used to endorse or promote products derived from this software

22 * without specific prior written permission.

23 *

24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND

25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE

28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

34 * SUCH DAMAGE.

35 *

36 * @(#)ndbm.h 8.1 (Berkeley) 6/2/93

37 */

39 #ifndef _NDBM_H_

40 #define _NDBM_H_

42 #include <db.h>

44 /* Map dbm interface onto db(3). */

45 #define DBM_RDONLY O_RDONLY

47 /* Flags to dbm_store(). */

48 #define DBM_INSERT 0

49 #define DBM_REPLACE 1

51 /*

52 * The db(3) support for ndbm(3) always appends this suffix to the

53 * file name to avoid overwriting the user's original database.

54 */

55 #define DBM_SUFFIX ".db"

57 typedef struct {

58 char *dptr;

59 int dsize;

60 } datum;

62 typedef DB DBM;

63 #define dbm_pagfno(a) DBM_PAGFNO_NOT_AVAILABLE

65 __BEGIN_DECLS

66 void dbm_close __P((DBM *));

int      dbm_delete __P((DBM *, datum));

68 datum dbm_fetch __P((DBM *, datum));

69 datum dbm_firstkey __P((DBM *));

long     dbm_forder __P((DBM *, datum));

71 datum dbm_nextkey __P((DBM *));

DBM     *dbm_open __P((const char *, int, int));

int      dbm_store __P((DBM *, datum, datum, int));

74 int dbm_dirfno __P((DBM *));

75 __END_DECLS

77 #endif /* !_NDBM_H_ */