Fix appendToJson function when value is a const char*

1 files changed, 7 insertions, 0 deletions

diff --git a/include/tgbot/TgTypeParser.h b/include/tgbot/TgTypeParser.h
index 6670753..45650c7 100644
--- a/include/tgbot/TgTypeParser.h
+++ b/include/tgbot/TgTypeParser.h
@@ -494,6 +494,13 @@ private:
         json += ',';
     }
 
+    inline void appendToJson(std::string& json, const std::string& varName, const char* value) const {
+        if(value!=nullptr){
+            std::string strvalue(value);
+            appendToJson(json,varName,strvalue);
+        }
+    }
+
     inline void appendToJson(std::string& json, const std::string& varName, const char *value) const { appendToJson(json, varName, std::string(value)); }
 
     void appendToJson(std::string& json, const std::string& varName, const std::string& value) const;