+ // Check for non-negative piggyback params.
+ if (*sr->smallSetUpperBound < 0
+ || *sr->largeSetLowerBound < 0
+ || *sr->mediumSetPresentNumber < 0)
+ {
+ Z_APDU *new_apdu = create_Z_PDU(Z_APDU_searchResponse);
+ // Not a present request.. But can't find better diagnostic
+ new_apdu->u.searchResponse->records =
+ create_nonSurrogateDiagnostics(
+ odr_encode(),
+ YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE, 0);
+ send_to_client(new_apdu);
+ return 0;
+ }
+