From c270eaabf4b7e85b0cfbb96c57817af5995b5ad8 Mon Sep 17 00:00:00 2001
From: Jeff Rowberg <jeff@rowberg.net>
Date: Mon, 29 Jul 2019 12:16:41 -0400
Subject: Add null pointer test to String destructor

---
 cores/arduino/WString.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'cores/arduino/WString.cpp')

diff --git a/cores/arduino/WString.cpp b/cores/arduino/WString.cpp
index f2572d6..043fda7 100644
--- a/cores/arduino/WString.cpp
+++ b/cores/arduino/WString.cpp
@@ -121,7 +121,7 @@ String::String(double value, unsigned char decimalPlaces)
 
 String::~String()
 {
-	free(buffer);
+	if (buffer) free(buffer);
 }
 
 /*********************************************/
-- 
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