+ (rs->count)--;
+/* logf(LOG_DEBUG,"rs_delete(%s), rs=%p, count=%d",
+ rs->control->desc, rs, rs->count); */
+ if (!rs->count)
+ {
+ (*rs->control->f_delete)(rs);
+ if (rs->my_nmem)
+ nmem_destroy(rs->nmem);
+ }
+}
+
+RSET rset_dup (RSET rs)
+{
+ (rs->count)++;
+ return rs;
+}
+
+#if 0
+void rset_default_pos (RSFD rfd, double *current, double *total)
+{ /* This should never really be needed, but it is still used in */
+ /* those rsets that we don't really plan to use, like isam-s */
+ assert(rfd);
+ assert(current);
+ assert(total);
+ *current=-1; /* signal that pos is not implemented */
+ *total=-1;
+} /* rset_default_pos */
+#endif
+
+int rset_default_forward(RSFD rfd, void *buf, TERMID *term,
+ const void *untilbuf)
+{
+ int more=1;
+ int cmp=rfd->rset->scope;
+ logf (LOG_DEBUG, "rset_default_forward starting '%s' (ct=%p rfd=%p)",
+ rfd->rset->control->desc, rfd->rset, rfd);
+ /* key_logdump(LOG_DEBUG, untilbuf); */
+ while ( (cmp>=rfd->rset->scope) && (more))
+ {
+ logf (LOG_DEBUG, "rset_default_forward looping m=%d c=%d",more,cmp);
+ more=rset_read(rfd, buf, term);
+ if (more)
+ cmp=(rfd->rset->keycontrol->cmp)(untilbuf,buf);
+/* if (more)
+ key_logdump(LOG_DEBUG,buf); */
+ }
+ logf (LOG_DEBUG, "rset_default_forward exiting m=%d c=%d",more,cmp);
+
+ return more;
+}
+
+/**
+ * rset_count uses rset_pos to get the total and returns that.
+ * This is ok for rsisamb, and for some other rsets, but in case of
+ * booleans etc it will give bad estimate, as nothing has been read
+ * from that rset
+ */
+zint rset_count(RSET rs)
+{
+ double cur,tot;
+ RSFD rfd=rset_open(rs,0);
+ rset_pos(rfd,&cur,&tot);
+ rset_close(rfd);
+ return (zint)(tot);
+}
+
+
+/** rset_get_no_terms is a getterms function for those that don't have any */
+void rset_get_no_terms(RSET ct, TERMID *terms, int maxterms, int *curterm)
+{
+ return;