ndbm.h (2723B) - Raw
1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 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 <db.h> 41 42 /* Map dbm interface onto db(3). */ 43 #define DBM_RDONLY O_RDONLY 44 45 /* Flags to dbm_store(). */ 46 #define DBM_INSERT 0 47 #define DBM_REPLACE 1 48 49 /* 50 * The db(3) support for ndbm always appends this suffix to the 51 * file name to avoid overwriting the user's original database. 52 */ 53 #define DBM_SUFFIX ".db" 54 55 typedef struct { 56 void *dptr; 57 int dsize; /* XXX Should be size_t according to 1003.1-2008. */ 58 } datum; 59 60 typedef DB DBM; 61 #define dbm_pagfno(a) DBM_PAGFNO_NOT_AVAILABLE 62 63 __BEGIN_DECLS 64 int dbm_clearerr(DBM *); 65 void dbm_close(DBM *); 66 int dbm_delete(DBM *, datum); 67 int dbm_error(DBM *); 68 datum dbm_fetch(DBM *, datum); 69 datum dbm_firstkey(DBM *); 70 #if __BSD_VISIBLE 71 long dbm_forder(DBM *, datum); 72 #endif 73 datum dbm_nextkey(DBM *); 74 DBM *dbm_open(const char *, int, mode_t); 75 int dbm_store(DBM *, datum, datum, int); 76 #if __BSD_VISIBLE 77 int dbm_dirfno(DBM *); 78 #endif 79 __END_DECLS 80 81 #endif /* !_NDBM_H_ */