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[exim.git] / src / src / dbfunctions.h

diff --git a/src/src/dbfunctions.h b/src/src/dbfunctions.h
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+/* $Cambridge: exim/src/src/dbfunctions.h,v 1.1 2004/10/07 10:39:01 ph10 Exp $ */
+
+/*************************************************
+*     Exim - an Internet mail transport agent    *
+*************************************************/
+
+/* Copyright (c) University of Cambridge 1995 - 2004 */
+/* See the file NOTICE for conditions of use and distribution. */
+
+
+/* Functions for reading/writing exim database files */
+
+void     dbfn_close(open_db *);
+int      dbfn_delete(open_db *, uschar *);
+open_db *dbfn_open(uschar *, int, open_db *, BOOL);
+void    *dbfn_read_with_length(open_db *, uschar *, int *);
+uschar  *dbfn_scan(open_db *, BOOL, EXIM_CURSOR **);
+int      dbfn_write(open_db *, uschar *, void *, int);
+
+/* Macro for the common call to read without wanting to know the length. */
+
+#define  dbfn_read(a, b) dbfn_read_with_length(a, b, NULL)
+
+/* Berkeley DB uses a callback function to pass back error details. */
+
+#if defined(USE_DB) && defined(DB_VERSION_STRING)
+void     dbfn_bdb_error_callback(const char *, char *);
+#endif
+
+/* End of dbfunctions.h */