From 9e61e60b0c404c2d12a6a582f24dce5dc6e97dab Mon Sep 17 00:00:00 2001
From: Assaf Inbal <shmuelzon@gmail.com>
Date: Sun, 3 Jan 2016 21:06:21 +0200
Subject: [PATCH] A content length of zero should also be sent
This is needed since when the content-length header is not sent the clients will
wait for data anyways. Sending a content length of zero will tell the client not
to expect any content and it will close the connection immediately.
---
libraries/ESP8266WebServer/src/ESP8266WebServer.cpp | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/libraries/ESP8266WebServer/src/ESP8266WebServer.cpp b/libraries/ESP8266WebServer/src/ESP8266WebServer.cpp
index 77e59af6a..0465db4c5 100644
--- a/libraries/ESP8266WebServer/src/ESP8266WebServer.cpp
+++ b/libraries/ESP8266WebServer/src/ESP8266WebServer.cpp
@@ -213,11 +213,10 @@ void ESP8266WebServer::_prepareHeader(String& response, int code, const char* co
content_type = "text/html";
sendHeader("Content-Type", content_type, true);
- if (_contentLength != CONTENT_LENGTH_UNKNOWN && _contentLength != CONTENT_LENGTH_NOT_SET) {
- sendHeader("Content-Length", String(_contentLength));
- }
- else if (contentLength > 0){
+ if (_contentLength == CONTENT_LENGTH_NOT_SET) {
sendHeader("Content-Length", String(contentLength));
+ } else if (_contentLength != CONTENT_LENGTH_UNKNOWN) {
+ sendHeader("Content-Length", String(_contentLength));
}
sendHeader("Connection", "close");
sendHeader("Access-Control-Allow-Origin", "*");