Fix issue #120

bblanchon · Sep 19, 2015 · 36a0ccd · 36a0ccd
1 parent 4967e38
commit 36a0ccd
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/include/ArduinoJson/Internals/DynamicStringBuilder.hpp b/include/ArduinoJson/Internals/DynamicStringBuilder.hpp
@@ -18,7 +18,8 @@ class DynamicStringBuilder : public Print {
   DynamicStringBuilder(String &str) : _str(str) {}
 
   virtual size_t write(uint8_t c) {
-    _str += c;
+    // Need to cast to char, otherwise String will print a number (issue #120)
+    _str += static_cast<char>(c);
     return 1;
   }