Asterisk - The Open Source Telephony Project GIT-master-f3e88d3
utils/db1-ast/db/db.c
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1/*-
2 * Copyright (c) 1991, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#if defined(LIBC_SCCS) && !defined(lint)
35static char sccsid[] = "@(#)db.c 8.4 (Berkeley) 2/21/94";
36#endif /* LIBC_SCCS and not lint */
37
38#include <sys/types.h>
39
40#include <errno.h>
41#include <fcntl.h>
42#include <stddef.h>
43#include <stdio.h>
44
45#include "../include/db.h"
46
47DB *
48dbopen(fname, flags, mode, type, openinfo)
49 const char *fname;
50 int flags, mode;
52 const void *openinfo;
53{
54
55#define DB_FLAGS (DB_LOCK | DB_SHMEM | DB_TXN)
56#define USE_OPEN_FLAGS \
57 (O_CREAT | O_EXCL | O_EXLOCK | O_NONBLOCK | O_RDONLY | \
58 O_RDWR | O_SHLOCK | O_TRUNC)
59
60 if ((flags & ~(USE_OPEN_FLAGS | DB_FLAGS)) == 0)
61 switch (type) {
62 case DB_BTREE:
63 return (__bt_open(fname, flags & USE_OPEN_FLAGS,
64 mode, openinfo, flags & DB_FLAGS));
65 case DB_HASH:
66 return (__hash_open(fname, flags & USE_OPEN_FLAGS,
67 mode, openinfo, flags & DB_FLAGS));
68 case DB_RECNO:
69 return (__rec_open(fname, flags & USE_OPEN_FLAGS,
70 mode, openinfo, flags & DB_FLAGS));
71 }
72 errno = EINVAL;
73 return (NULL);
74}
75
76static int
77__dberr __P((void))
78{
79 return (RET_ERROR);
80}
81
82/*
83 * __DBPANIC -- Stop.
84 *
85 * Parameters:
86 * dbp: pointer to the DB structure.
87 */
88void
90 DB *dbp;
91{
92 /* The only thing that can succeed is a close. */
93 dbp->del = (int (*)__P((const struct __db *,
94 const DBT *, u_int))) __dberr;
95 dbp->get = (int (*)__P((const struct __db *,
96 const DBT *, DBT *, u_int))) __dberr;
97 dbp->put = (int (*)__P((const struct __db *,
98 DBT *, const DBT *, u_int))) __dberr;
99 dbp->seq = (int (*)__P((const struct __db *,
100 DBT *, DBT *, u_int))) __dberr;
101 dbp->sync = (int (*)__P((const struct __db *, u_int))) __dberr;
102 dbp->fd = (int (*)__P((const struct __db *))) __dberr;
103}
DB * __bt_open(char *fname, int flags, int mode, const BTREEINFO *openinfo, int dflags) const
Definition: bt_open.c:90
static const char type[]
Definition: chan_ooh323.c:109
DBTYPE
Definition: db.h:103
@ DB_BTREE
Definition: db.h:103
@ DB_RECNO
Definition: db.h:103
@ DB_HASH
Definition: db.h:103
#define RET_ERROR
Definition: db.h:51
DB * __hash_open(char *file, int flags, int mode, const HASHINFO *info, int dflags) const
Definition: hash.c:96
static DB * dbp
Definition: hsearch.c:49
int errno
DB * __rec_open(char *fname, int flags, int mode, const RECNOINFO *openinfo, int dflags) const
Definition: rec_open.c:56
#define NULL
Definition: resample.c:96
Definition: db.h:85
Definition: db.h:129
DB * dbopen(char *fname, int flags, int mode, DBTYPE type, const void *openinfo) const
#define DB_FLAGS
#define USE_OPEN_FLAGS
void __dbpanic(DB *dbp)
static int __dberr __P((void))