From d573a06eb6d57f3f10003284161974d924ab6056 Mon Sep 17 00:00:00 2001
From: ecionis <ecionis@github.user.invalid.com>
Date: Sat, 21 Jul 2018 10:26:47 +0800
Subject: [PATCH] content_length zero: client

https://github.com/warmcat/libwebsockets/issues/1337
---
 lib/roles/http/client/client.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/lib/roles/http/client/client.c b/lib/roles/http/client/client.c
index 5645fa2b7..8aba185b8 100644
--- a/lib/roles/http/client/client.c
+++ b/lib/roles/http/client/client.c
@@ -954,6 +954,15 @@ lws_client_interpret_server_handshake(struct lws *wsi)
 
 		lwsl_info("%s: client connection up\n", __func__);
 
+		/*
+		 * Did we get a response from the server with an explicit
+		 * content-length of zero?  If so, this transaction is already
+		 * completed at the end of the header processing...
+		 */
+		if (lws_hdr_total_length(wsi, WSI_TOKEN_HTTP_CONTENT_LENGTH) &&
+		    !wsi->http.rx_content_length)
+		        return !!lws_http_transaction_completed_client(wsi);
+
 		return 0;
 	}