Return error for too long string

Signed-off-by: Szczepan Zalega <szczepan@nitrokey.com>

1 files changed, 32 insertions, 0 deletions

diff --git a/include/TooLongStringException.h b/include/TooLongStringException.h
new file mode 100644
index 0000000..3a9244b
--- /dev/null
+++ b/include/TooLongStringException.h
@@ -0,0 +1,32 @@
+//
+// Created by sz on 09.08.16.
+//
+
+#ifndef LIBNITROKEY_TOOLONGSTRINGEXCEPTION_H
+#define LIBNITROKEY_TOOLONGSTRINGEXCEPTION_H
+
+
+#include <cstdint>
+#include <string>
+#include <exception>
+
+class TooLongStringException : public std::exception {
+public:
+    static const std::uint8_t exception_id = 200;
+
+    std::size_t size_source;
+    std::size_t size_destination;
+    std::string message;
+
+    TooLongStringException(size_t size_source, size_t size_destination, const std::string &message = "") : size_source(
+            size_source), size_destination(size_destination), message(message) {}
+
+    virtual const char *what() const throw() {
+        //TODO add sizes and message data to final message
+        return "Too long string has been supplied as an argument";
+    }
+
+};
+
+
+#endif //LIBNITROKEY_TOOLONGSTRINGEXCEPTION_H