1 /* $Cambridge: exim/src/src/dbfunctions.h,v 1.2 2005/01/04 10:00:42 ph10 Exp $ */
3 /*************************************************
4 * Exim - an Internet mail transport agent *
5 *************************************************/
7 /* Copyright (c) University of Cambridge 1995 - 2005 */
8 /* See the file NOTICE for conditions of use and distribution. */
11 /* Functions for reading/writing exim database files */
13 void dbfn_close(open_db *);
14 int dbfn_delete(open_db *, uschar *);
15 open_db *dbfn_open(uschar *, int, open_db *, BOOL);
16 void *dbfn_read_with_length(open_db *, uschar *, int *);
17 uschar *dbfn_scan(open_db *, BOOL, EXIM_CURSOR **);
18 int dbfn_write(open_db *, uschar *, void *, int);
20 /* Macro for the common call to read without wanting to know the length. */
22 #define dbfn_read(a, b) dbfn_read_with_length(a, b, NULL)
24 /* Berkeley DB uses a callback function to pass back error details. */
26 #if defined(USE_DB) && defined(DB_VERSION_STRING)
27 void dbfn_bdb_error_callback(const char *, char *);
30 /* End of dbfunctions.h */