- if (matchStr)
- {
- rinfo = dict_lookup (zh->reg->matchDict, matchStr);
- if (rinfo)
- memcpy (sysno, rinfo+1, sizeof(*sysno));
- }
- else
- {
- logf (LOG_WARN, "Bad match criteria");
- return 0;
- }
- }
+ if (!matchStr)
+ {
+ yaz_log(YLOG_WARN, "Bad match criteria");
+ return 0;
+ }
+ }
+ if (matchStr)
+ {
+ char *rinfo = dict_lookup (zh->reg->matchDict, matchStr);
+ if (rinfo)
+ {
+ assert(*rinfo == sizeof(*sysno));
+ memcpy (sysno, rinfo+1, sizeof(*sysno));
+ }
+ }
+ }
+ if (! *sysno && zh->reg->keys.buf_used == 0)
+ {
+ /* the extraction process returned no information - the record
+ is probably empty - unless flagShowRecords is in use */
+ if (!zh->m_flag_rw)
+ return 1;
+
+ if (zh->records_processed < zh->m_file_verbose_limit)
+ yaz_log (YLOG_WARN, "empty %s %s " PRINTF_OFF_T, zh->m_record_type,
+ fname, recordOffset);
+ return 1;