+ struct zset_sort_entry this_entry;
+ struct zset_sort_entry *new_entry = NULL;
+ struct zset_sort_info *sort_info = sset->sort_info;
+ int i, j;
+
+ sortIdx_sysno (zh->sortIdx, sysno);
+ for (i = 0; i<num_criteria; i++)
+ {
+ sortIdx_type (zh->sortIdx, criteria[i].attrUse);
+ sortIdx_read (zh->sortIdx, this_entry.buf[i]);
+ }
+ i = sort_info->num_entries;
+ while (--i >= 0)
+ {
+ int rel = 0;
+ for (j = 0; j<num_criteria; j++)
+ {
+ rel = memcmp (this_entry.buf[j], sort_info->entries[i]->buf[j],
+ SORT_IDX_ENTRYSIZE);
+ if (rel)
+ break;
+ }
+ if (!rel)
+ break;
+ if (criteria[j].relation == 'A')
+ {
+ if (rel > 0)
+ break;
+ }
+ else if (criteria[j].relation == 'D')
+ {
+ if (rel < 0)
+ break;
+ }
+ }
+ j = sort_info->max_entries-1;
+ if (i == j)
+ return;
+ ++i;
+ new_entry = sort_info->entries[j];
+ while (j != i)
+ {
+ sort_info->entries[j] = sort_info->entries[j-1];
+ --j;
+ }
+ sort_info->entries[j] = new_entry;
+ assert (new_entry);
+ if (sort_info->num_entries != sort_info->max_entries)
+ (sort_info->num_entries)++;
+ for (i = 0; i<num_criteria; i++)
+ memcpy (new_entry->buf[i], this_entry.buf[i], SORT_IDX_ENTRYSIZE);
+ new_entry->sysno = sysno;
+ new_entry->score = -1;
+}
+
+void resultSetInsertRank (ZebraHandle zh, struct zset_sort_info *sort_info,
+ int sysno, int score, int relation)
+{
+ struct zset_sort_entry *new_entry = NULL;
+ int i, j;
+
+ i = sort_info->num_entries;
+ while (--i >= 0)
+ {
+ int rel = 0;
+
+ rel = score - sort_info->entries[i]->score;
+
+ if (relation == 'D')
+ {
+ if (rel >= 0)
+ break;
+ }
+ else if (relation == 'A')
+ {
+ if (rel <= 0)
+ break;
+ }
+ }
+ j = sort_info->max_entries-1;
+ if (i == j)
+ return;
+ ++i;
+ new_entry = sort_info->entries[j];
+ while (j != i)
+ {
+ sort_info->entries[j] = sort_info->entries[j-1];
+ --j;
+ }
+ sort_info->entries[j] = new_entry;
+ assert (new_entry);
+ if (sort_info->num_entries != sort_info->max_entries)
+ (sort_info->num_entries)++;
+ new_entry->sysno = sysno;
+ new_entry->score = score;
+}
+
+void resultSetSort (ZebraHandle zh, NMEM nmem,
+ int num_input_setnames, const char **input_setnames,
+ const char *output_setname,
+ Z_SortKeySpecList *sort_sequence, int *sort_status)
+{
+ ZebraSet sset;