1 files changed, 24 insertions, 0 deletions
diff --git a/src/ring.c b/src/ring.c
index ccd97ed..ca412ab 100644
--- a/src/ring.c
+++ b/src/ring.c
@@ -10,6 +10,9 @@ static char rcsid[] = "$Id$";
 
 /*
  * $Log$
+ * Revision 1.4  2008/02/13 16:57:29  james
+ * *** empty log message ***
+ *
  * Revision 1.3  2008/02/13 09:12:21  james
  * *** empty log message ***
  *
@@ -59,6 +62,27 @@ ring_write (Ring * r, void *b, int n)
   return writ;
 }
 
+int
+ring_space (Ring * r)
+{
+  int i;
+
+  i = r->size - RING_NEXT_W (r) + r->rptr;
+  i %= r->size;
+  return i;
+}
+
+int
+ring_bytes (Ring * r)
+{
+  int i;
+
+  i = r->size + r->wptr - r->rptr;
+  i %= r->size;
+  return i;
+}
+
+
 
 
 Ring *