+static int r_forward(RSET ct, RSFD rfd, void *buf, int *term_index,
+ int (*cmpfunc)(const void *p1, const void *p2),
+ const void *untilbuf)
+{
+ struct rset_bool_info *info = ((struct rset_bool_rfd*)rfd)->info;
+ struct rset_bool_rfd *p = (struct rset_bool_rfd *) rfd;
+ int cmp=0;
+
+ logf (LOG_DEBUG, "rsbool_forward '%s' (ct=%p rfd=%p m=%d,%d)",
+ ct->control->desc, ct, rfd, p->more_l, p->more_r);
+ if ( p->more_l)
+ p->more_l = rset_forward(info->rset_l, p->rfd_l, p->buf_l,
+ &p->term_index_l, info->cmp, untilbuf);
+ if ( p->more_r)
+ p->more_r = rset_forward(info->rset_r, p->rfd_r, p->buf_r,
+ &p->term_index_r, info->cmp, untilbuf);
+ if (p->more_l && p->more_r)
+ cmp = (*info->cmp)(p->buf_l, p->buf_r);
+ else if (p->more_l)
+ cmp = -2;
+ else
+ cmp = 2;
+ if ( (cmp<0) && (p->more_l) )
+ {
+ memcpy (buf, p->buf_l, info->key_size);
+ *term_index = p->term_index_l;
+ } else if ( (cmp>0) && (p->more_r) )
+ {
+ memcpy (buf, p->buf_r, info->key_size);
+ *term_index = p->term_index_r + info->term_index_s;
+ }
+ return ( p->more_l || p->more_r);
+}
+