From ee17139a0399c91c134ca15ceed144da57a3f5ba Mon Sep 17 00:00:00 2001
From: Norman Maurer <nmaurer@redhat.com>
Date: Wed, 11 Dec 2013 10:18:26 +0100
Subject: [PATCH] [#2053] Do not allow < 1 on AppendableCharSequence init.

---
 .../java/io/netty/util/internal/AppendableCharSequence.java    | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/common/src/main/java/io/netty/util/internal/AppendableCharSequence.java b/common/src/main/java/io/netty/util/internal/AppendableCharSequence.java
index 9e4fb6d636..b0c5e9a73b 100644
--- a/common/src/main/java/io/netty/util/internal/AppendableCharSequence.java
+++ b/common/src/main/java/io/netty/util/internal/AppendableCharSequence.java
@@ -23,6 +23,9 @@ public final class AppendableCharSequence implements CharSequence, Appendable {
     private int pos;
 
     public AppendableCharSequence(int length) {
+        if (length < 1) {
+            throw new IllegalArgumentException("length: " + length + " (length: >= 1)");
+        }
         chars = new char[length];
     }