From 19f672850d8057308052b8839c8a74d83dfc9eed Mon Sep 17 00:00:00 2001
From: Mike Dunston <michael.dunston@oracle.com>
Date: Sun, 16 Dec 2018 06:58:10 -0800
Subject: [PATCH] correct bounds checking in Print::printf to avoid corner case
 of len=64

---
 cores/esp32/Print.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cores/esp32/Print.cpp b/cores/esp32/Print.cpp
index a0c7a4a8441..8c295347f2a 100644
--- a/cores/esp32/Print.cpp
+++ b/cores/esp32/Print.cpp
@@ -63,7 +63,7 @@ size_t Print::printf(const char *format, ...)
     len = vsnprintf(temp, len+1, format, arg);
     write((uint8_t*)temp, len);
     va_end(arg);
-    if(len > 64){
+    if(len >= sizeof(loc_buf)){
         delete[] temp;
     }
     return len;