src/src/dbfunctions.h

   1 /* $Cambridge: exim/src/src/dbfunctions.h,v 1.3 2005/06/14 10:32:01 ph10 Exp $ */
   2
   3 /*************************************************
   4 *     Exim - an Internet mail transport agent    *
   5 *************************************************/
   6
   7 /* Copyright (c) University of Cambridge 1995 - 2005 */
   8 /* See the file NOTICE for conditions of use and distribution. */
   9
  10
  11 /* Functions for reading/writing exim database files */
  12
  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);
  19
  20 /* Macro for the common call to read without wanting to know the length. */
  21
  22 #define  dbfn_read(a, b) dbfn_read_with_length(a, b, NULL)
  23
  24 /* Berkeley DB uses a callback function to pass back error details. Its API
  25 changed at release 4.3. */
  26
  27 #if defined(USE_DB) && defined(DB_VERSION_STRING)
  28 #if DB_VERSION_MAJOR > 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 3)
  29 void     dbfn_bdb_error_callback(const DB_ENV *, const char *, const char *);
  30 #else
  31 void     dbfn_bdb_error_callback(const char *, char *);
  32 #endif
  33 #endif
  34
  35 /* End of dbfunctions.h */