+zoom_ret ZOOM_connection_Z3950_search(ZOOM_connection c)
+{
+ int i = 0;
+ const char *syntax = 0;
+ const char *elementSetName = 0;
+ const char *schema = 0;
+ ZOOM_resultset resultset;
+ int *start, *count;
+
+ if (!c->tasks || c->tasks->which == ZOOM_TASK_SORT)
+ return zoom_complete;
+ assert(c->tasks->which == ZOOM_TASK_SEARCH);
+ resultset = c->tasks->u.search.resultset;
+ start = &c->tasks->u.search.start;
+ count = &c->tasks->u.search.count;
+ syntax = c->tasks->u.search.syntax;
+ elementSetName = c->tasks->u.search.elementSetName;
+ schema = c->tasks->u.search.schema;
+
+ yaz_log(c->log_details, "%p ZOOM_connection_Z3950_search start=%d count=%d",
+ c, *start, *count);
+
+ ZOOM_memcached_search(c, resultset);
+
+ if (*start < 0 || *count < 0)
+ {
+ ZOOM_set_dset_error(c, YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE, "Bib-1",
+ "start/count < 0", 0);
+ }
+
+ if (resultset->live_set)
+ {
+ if (*start >= resultset->size)
+ *count = 0;
+ else if (*start + *count >= resultset->size)
+ *count = resultset->size - *start;
+ }
+
+ if (c->error) /* don't continue on error */
+ return zoom_complete;
+
+ for (i = 0; i < *count; i++)
+ {
+ ZOOM_record rec =
+ ZOOM_record_cache_lookup(resultset, i + *start,
+ syntax, elementSetName, schema);
+ if (!rec)
+ break;
+ }
+ *start += i;
+ *count -= i;
+
+ if (*count == 0 && resultset->live_set)
+ return zoom_complete;
+
+ if (resultset->live_set == 2)
+ return Z3950_send_present(c);
+ else
+ return Z3950_send_search(c);
+}
+