add error codes & messages to the library

1 files changed, 38 insertions, 0 deletions

diff --git a/utils/common.hpp b/utils/common.hpp
new file mode 100644
index 0000000..af61a32
--- /dev/null
+++ b/utils/common.hpp
@@ -0,0 +1,38 @@
+/**
+ * \file
+ * \author Egor Tensin <Egor.Tensin@gmail.com>
+ * \date 2015
+ * \copyright This file is licensed under the terms of the MIT License.
+ *            See LICENSE.txt for details.
+ */
+
+#pragma once
+
+#include <aesni/all.h>
+
+#include <stdexcept>
+
+namespace aesni
+{
+    class ErrorDetailsThrowsInDestructor
+    {
+    public:
+        ErrorDetailsThrowsInDestructor()
+        {
+            aesni_make_error_success(get());
+        }
+
+        ~ErrorDetailsThrowsInDestructor()
+        {
+            if (m_impl.ec != AESNI_ERROR_SUCCESS)
+                throw std::runtime_error(aesni_strerror(m_impl.ec));
+        }
+
+        AesNI_ErrorDetails* get() { return &m_impl; }
+
+        operator AesNI_ErrorDetails*() { return get(); }
+
+    private:
+        AesNI_ErrorDetails m_impl;
+    };
+}