From 1154ce0867306e810cf62a5b41bdb0b765aa8ff3 Mon Sep 17 00:00:00 2001
From: dcodeIO <dcode@dcode.io>
Date: Sat, 7 Jan 2017 15:30:01 +0100
Subject: [PATCH] Properly handle empty/noop Writer#ldelim, fixes #625

---
 src/writer.js | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/writer.js b/src/writer.js
index 17ff8089c..0a2c4205e 100644
--- a/src/writer.js
+++ b/src/writer.js
@@ -519,11 +519,12 @@ WriterPrototype.ldelim = function ldelim() {
     var head = this.head,
         tail = this.tail,
         len  = this.len;
-    this.reset()
-        .uint32(len)
-        .tail.next = head.next; // skip noop
-    this.tail = tail;
-    this.len += len;
+    this.reset().uint32(len);
+    if (len) {
+        this.tail.next = head.next; // skip noop
+        this.tail = tail;
+        this.len += len;
+    }
     return this;
 };