2 * Copyright (c) 2004 Teodor Sigaev <teodor@sigaev.ru>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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. Neither the name of the author nor the names of any co-contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY CONTRIBUTORS ``AS IS'' AND ANY EXPRESS
18 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
23 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
25 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
26 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 #include <sys/types.h>
48 #define RECHDRSZ (offsetof(FDBRecord, data))
56 int fd; /* file descriptor */
64 int FDBOpen(FDB *db, char *file, int readonly);
65 int FDBClose(FDB *db);
66 int FDBPut(FDB *db, FDBRecord *record /*in*/, off_t *offset /*out*/);
67 int FDBGet(FDB *db, off_t offset /* in */, size_t length /*in, may =0, then stored size*/, FDBRecord **record /*out*/);
68 int FDBDelete(FDB *db, off_t offset /* in */, size_t length /*in, may =0, then stored size*/ );
69 void FDBVacuumFreeSpace(FDB *db);
72 #define FDB_NOTFOUND 1
74 #define FDB_INCORRECT 3