+
+ new_set = get_set(sh, rr->setname);
+ if (new_set)
+ {
+ if (!rr->replace_set)
+ {
+ rr->errcode = YAZ_BIB1_RESULT_SET_EXISTS_AND_REPLACE_INDICATOR_OFF;
+ return 0;
+ }
+ xfree(new_set->db);
+ }
+ else
+ {
+ new_set = xmalloc(sizeof(*new_set));
+ new_set->next = sh->result_sets;
+ sh->result_sets = new_set;
+ new_set->name = xstrdup(rr->setname);
+ }
+
+ if (rr->extra_args)
+ {
+ Z_SRW_extra_arg *a;
+ WRBUF response_xml = wrbuf_alloc();
+ wrbuf_puts(response_xml, "<extra>");
+ for (a = rr->extra_args; a; a = a->next)
+ {
+ wrbuf_puts(response_xml, "<extra name=\"");
+ wrbuf_xmlputs(response_xml, a->name);
+ wrbuf_puts(response_xml, "\"");
+ if (a->value)
+ {
+ wrbuf_puts(response_xml, " value=\"");
+ wrbuf_xmlputs(response_xml, a->value);
+ wrbuf_puts(response_xml, "\"");
+ }
+ wrbuf_puts(response_xml, "/>");
+ }
+ wrbuf_puts(response_xml, "</extra>");
+ rr->extra_response_data =
+ odr_strdup(rr->stream, wrbuf_cstr(response_xml));
+ wrbuf_destroy(response_xml);
+ }
+ rr->hits = get_hit_count(rr->query);
+
+ new_set->hits = rr->hits;
+ new_set->db = xstrdup(rr->basenames[0]);
+