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0756eb3c PH |
1 | /* $Cambridge: exim/src/src/lookups/cdb.h,v 1.1 2004/10/07 13:10:01 ph10 Exp $ */ |
2 | ||
3 | /************************************************* | |
4 | * Exim - an Internet mail transport agent * | |
5 | *************************************************/ | |
6 | ||
7 | /* | |
8 | * $Id: cdb.h,v 1.2.2.1 1998/05/29 16:21:36 cvs Exp $ | |
9 | * | |
10 | * Exim - CDB database lookup module | |
11 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
12 | * | |
13 | * Copyright (c) 1998 Nigel Metheringham, Planet Online Ltd | |
14 | * | |
15 | * This program is free software; you can redistribute it and/or | |
16 | * modify it under the terms of the GNU General Public License | |
17 | * as published by the Free Software Foundation; either version 2 | |
18 | * of the License, or (at your option) any later version. | |
19 | * | |
20 | * This program is distributed in the hope that it will be useful, | |
21 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
22 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
23 | * GNU General Public License for more details. | |
24 | * | |
25 | * You should have received a copy of the GNU General Public License | |
26 | * along with this program; if not, write to the Free Software | |
27 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
28 | * 02111-1307, USA. | |
29 | * | |
30 | * | |
31 | * This code implements Dan Bernstein's Constant DataBase (cdb) spec. | |
32 | * Information, the spec and sample code for cdb can be obtained from | |
33 | * http://www.pobox.com/~djb/cdb.html | |
34 | * | |
35 | * This implementation borrows some code from Dan Bernstein's | |
36 | * implementation (which has no license restrictions applied to it). | |
37 | * This (read-only) implementation is completely contained within | |
38 | * cdb.[ch] it does *not* link against an external cdb library. | |
39 | * | |
40 | * | |
41 | * There are 2 varients included within this code. One uses MMAP and | |
42 | * should give better performance especially for multiple lookups on a | |
43 | * modern machine. The other is the default implementation which is | |
44 | * used in the case where the MMAP fails or if MMAP was not compiled | |
45 | * in. this implementation is the same as the original reference cdb | |
46 | * implementation. | |
47 | * | |
48 | */ | |
49 | ||
50 | ||
51 | /* Functions for reading exim cdb files */ | |
52 | ||
53 | extern void *cdb_open(uschar *, uschar **); | |
54 | extern BOOL cdb_check(void *, uschar *, int, uid_t *, gid_t *, uschar **); | |
55 | extern int cdb_find(void *, uschar *, uschar *, int, uschar **, uschar **, | |
56 | BOOL *); | |
57 | extern void cdb_close(void *); | |
58 | ||
59 | /* End of cdb.h */ |