--- libelwix/inc/elwix/aring.h	2026/02/11 13:33:22	1.5.2.1
+++ libelwix/inc/elwix/aring.h	2026/02/16 10:03:37	1.6.2.2
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: aring.h,v 1.5.2.1 2026/02/11 13:33:22 misho Exp $
+* $Id: aring.h,v 1.6.2.2 2026/02/16 10:03:37 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -62,6 +62,15 @@ typedef struct {
 			int		lrb_size;
 			unsigned char	*lrb_data;
 } lrbuf_t;
+#define lrb_head(x)		atomic_load_explicit((atomic_int*) &(x)->lrb_head, memory_order_relaxed)
+#define lrb_tail(x)		atomic_load_explicit((atomic_int*) &(x)->lrb_tail, memory_order_relaxed)
+#define lrb_hptr(x)		((x)->lrb_data + lrb_head((x)))
+#define lrb_tptr(x)		((x)->lrb_data + lrb_tail((x)))
+#define lrb_ptr(x, n)		((x)->lrb_data + ((lrb_tail((x)) + (n)) % (x)->lrb_size))
+#define lrb_size(x)		((x)->lrb_size)
+#define lrb_getb(x)		((x)->lrb_data)
+#define lrb_getc(x, n)		*lrb_ptr((x), (n))
+#define lrb_isrewind(x)		(lrb_head((x)) < lrb_tail((x)))
 #define lrb_queued(x, r)	do { \
 					u_int _h, _t; \
 					_t = atomic_load_explicit((atomic_int*) &(x)->lrb_tail, memory_order_acquire); \