+
+
+RSET rset_create_base(const struct rset_control *sel,
+ NMEM nmem, const struct key_control *kcontrol,
+ int scope, TERMID term)
+{
+ RSET rnew;
+ NMEM M;
+ /* assert(nmem); */ /* can not yet be used, api/t4 fails */
+ if (nmem)
+ M=nmem;
+ else
+ M=nmem_create();
+ rnew = (RSET) nmem_malloc(M,sizeof(*rnew));
+ yaz_log (log_level, "rs_create(%s) rs=%p (nm=%p)", sel->desc, rnew, nmem);
+ rnew->nmem=M;
+ if (nmem)
+ rnew->my_nmem=0;
+ else
+ rnew->my_nmem=1;
+ rnew->control = sel;
+ rnew->count = 1; /* refcount! */
+ rnew->priv = 0;
+ rnew->free_list=NULL;
+ rnew->keycontrol=kcontrol;
+ rnew->scope=scope;
+ rnew->term=term;
+ if (term)
+ term->rset=rnew;
+ return rnew;
+}
+
+void rset_delete (RSET rs)
+{
+ (rs->count)--;
+ yaz_log(log_level,"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)++;
+ yaz_log(log_level,"rs_dup(%s), rs=%p, count=%d",
+ rs->control->desc, rs, rs->count);
+ return rs;
+}
+
+int rset_default_forward(RSFD rfd, void *buf, TERMID *term,
+ const void *untilbuf)
+{
+ int more=1;
+ int cmp=rfd->rset->scope;
+ if (log_level)
+ {
+ yaz_log (log_level, "rset_default_forward starting '%s' (ct=%p rfd=%p)",
+ rfd->rset->control->desc, rfd->rset, rfd);
+ /* key_logdump(log_level, untilbuf); */
+ }
+ while ( (cmp>=rfd->rset->scope) && (more))
+ {
+ if (log_level) /* time-critical, check first */
+ yaz_log(log_level,"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_level,buf); */
+ }
+ if (log_level)
+ yaz_log (log_level, "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/c/s, 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;
+}
+
+/* rset_get_one_term gets that one term from an rset. Used by rsisamX */
+void rset_get_one_term(RSET ct,TERMID *terms,int maxterms,int *curterm)
+{
+ if (ct->term)
+ {
+ if (*curterm < maxterms)
+ terms[*curterm]=ct->term;
+ (*curterm)++;
+ }
+}
+
+
+TERMID rset_term_create (const char *name, int length, const char *flags,
+ int type, NMEM nmem)
+
+{
+ TERMID t;
+ yaz_log (log_level, "term_create '%s' %d f=%s type=%d nmem=%p",
+ name, length, flags, type, nmem);
+ t= (TERMID) nmem_malloc (nmem, sizeof(*t));
+ if (!name)
+ t->name = NULL;
+ else if (length == -1)
+ t->name = nmem_strdup(nmem,name);
+ else
+ {
+ t->name = (char*) nmem_malloc(nmem,length+1);
+ memcpy (t->name, name, length);
+ t->name[length] = '\0';
+ }
+ if (!flags)
+ t->flags = NULL;
+ else
+ t->flags = nmem_strdup(nmem,flags);
+ t->type = type;
+ t->rankpriv=0;
+ t->rset=0;
+ return t;
+}
+
+