correct bounds checking in Print::printf to avoid corner case of len=…

…64 (#2204)
espressif · Dec 16, 2018 · 39836f1 · 39836f1
1 parent 25fd2d0
commit 39836f1
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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;