From 7c6118f2a0110fc78d6c8510b31ca097333f196e Mon Sep 17 00:00:00 2001
From: ray <maogithub@163.com>
Date: Sun, 22 Sep 2019 13:58:15 +0800
Subject: [PATCH] arg should be closed by va_end() (#601)

---
 src/AsyncWebSocket.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/AsyncWebSocket.cpp b/src/AsyncWebSocket.cpp
index dc99d39..fd1c7b8 100644
--- a/src/AsyncWebSocket.cpp
+++ b/src/AsyncWebSocket.cpp
@@ -711,6 +711,7 @@ size_t AsyncWebSocketClient::printf(const char *format, ...) {
   va_start(arg, format);
   char* temp = new char[MAX_PRINTF_LEN];
   if(!temp){
+    va_end(arg);
     return 0;
   }
   char* buffer = temp;
@@ -741,6 +742,7 @@ size_t AsyncWebSocketClient::printf_P(PGM_P formatP, ...) {
   va_start(arg, formatP);
   char* temp = new char[MAX_PRINTF_LEN];
   if(!temp){
+    va_end(arg);
     return 0;
   }
   char* buffer = temp;