From bab5457584f2c0acd56e0772be19bf48501356a6 Mon Sep 17 00:00:00 2001
From: Me No Dev <me-no-dev@users.noreply.github.com>
Date: Wed, 25 Jan 2017 21:25:21 +0200
Subject: [PATCH] Fix case where space is not enough for a chunk

---
 src/WebResponses.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/WebResponses.cpp b/src/WebResponses.cpp
index c0f60c8..534518c 100644
--- a/src/WebResponses.cpp
+++ b/src/WebResponses.cpp
@@ -259,7 +259,12 @@ size_t AsyncAbstractResponse::_ack(AsyncWebServerRequest *request, size_t len, u
 
   if(_state == RESPONSE_CONTENT){
     size_t outLen;
-    if(_chunked || !_sendContentLength){
+    if(_chunked){
+      if(space <= 8){
+        return 0;
+      }
+      outLen = space;
+    } else if(!_sendContentLength){
       outLen = space;
     } else {
       outLen = ((_contentLength - _sentLength) > space)?space:(_contentLength - _sentLength);