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+/*
+ * Copyright (c) 2018 Yubico AB. All rights reserved.
+ * Use of this source code is governed by a BSD-style
+ * license that can be found in the LICENSE file.
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#ifndef _PACKED_H
+#define _PACKED_H
+
+#if defined(__GNUC__)
+#define PACKED_TYPE(type, def) \
+ typedef def __attribute__ ((__packed__)) type;
+#elif defined(_MSC_VER)
+#define PACKED_TYPE(type, def) \
+ __pragma(pack(push, 1)) \
+ typedef def type; \
+ __pragma(pack(pop))
+#else
+#error "please provide a way to define packed types on your platform"
+#endif
+
+#endif /* !_PACKED_H */