replay-buffer: fix duff's device

skenqbx · Apr 21, 2015 · 42634f5 · 42634f5
1 parent 945b426
commit 42634f5
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/lib/replay-buffer.js b/lib/replay-buffer.js
@@ -58,9 +58,10 @@ ReplayBuffer.prototype.replay = function(writable, callback) {
   //   https://en.wikipedia.org/wiki/Duff%27s_device
   (function next() {
     var mod = 0;
+    var n = self.chunks.length - i;
 
-    if (self.chunks.length < 4) {
-      mod = (self.chunks.length - i) % 4;
+    if (n < 4) {
+      mod = n % 4;
     }
     // TODO: write callback!