From ed427e5704668436d245bba8e7db56fb18d9b64e Mon Sep 17 00:00:00 2001
From: Luciano Iam <lucianito@gmail.com>
Date: Fri, 10 Apr 2020 08:27:00 +0200
Subject: [PATCH] WebSockets: add useful comment on lws_write()

---
 libs/surfaces/websockets/server.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libs/surfaces/websockets/server.cc b/libs/surfaces/websockets/server.cc
index 79f0c89b85..bc89168702 100644
--- a/libs/surfaces/websockets/server.cc
+++ b/libs/surfaces/websockets/server.cc
@@ -397,6 +397,7 @@ WebsocketsServer::send_index_body (Client wsi)
 #endif
 	int len = strlen (body);
 
+	/* lws_write() expects a writable buffer */
 	if (lws_write (wsi, reinterpret_cast<unsigned char*> (body), len, LWS_WRITE_HTTP) != len) {
 		return 1;
 	}