+
+ if ( be->bd_info != oi->oi_orig ) {
+ slap_overinfo *oi2;
+ slap_overinst *on2, **onp;
+ BackendDB be2 = *be;
+ int i;
+
+ /* a database added an overlay;
+ * work it around... */
+ assert( overlay_is_over( be ) );
+
+ oi2 = ( slap_overinfo * )be->bd_info->bi_private;
+ on2 = oi2->oi_list;
+
+ /* need to put a uniqueness check here as well;
+ * note that in principle there could be more than
+ * one overlay as a result of multiple calls to
+ * overlay_config() */
+ be2.bd_info = (BackendInfo *)oi;
+
+ for ( i = 0, onp = &on2; *onp; i++, onp = &(*onp)->on_next ) {
+ if ( overlay_is_inst( &be2, (*onp)->on_bi.bi_type ) ) {
+ Debug( LDAP_DEBUG_ANY, "over_db_config(): "
+ "warning, freshly added "
+ "overlay #%d \"%s\" is already in list\n",
+ i, (*onp)->on_bi.bi_type, 0 );
+
+ /* NOTE: if the overlay already exists,
+ * there is no way to merge the results
+ * of the configuration that may have
+ * occurred during bi_db_config(); we
+ * just issue a warning, and the
+ * administrator should deal with this */
+ }
+ }
+ *onp = oi->oi_list;
+
+ oi->oi_list = on2;
+
+ ch_free( be->bd_info );
+ }
+