+static int log_level = 0;
+static int log_level_initialized = 0;
+
+RSET rsisamb_create(NMEM nmem, struct rset_key_control *kcontrol,
+ int scope,
+ ISAMB is, ISAM_P pos, TERMID term)
+{
+ RSET rnew = rset_create_base(
+ kcontrol->filter_func ? &control_filter : &control,
+ nmem, kcontrol, scope, term, 0, 0);
+ struct rset_private *info;
+ assert(pos);
+ if (!log_level_initialized)
+ {
+ log_level = yaz_log_module_level("rsisamb");
+ log_level_initialized = 1;
+ }
+ info = (struct rset_private *) nmem_malloc(rnew->nmem, sizeof(*info));
+ info->is = is;
+ info->pos = pos;
+ rnew->priv = info;
+ yaz_log(log_level, "rsisamb_create");
+ return rnew;
+}
+
+static void r_delete(RSET ct)