1 files changed, 22 insertions, 0 deletions

diff --git a/src/packed.h b/src/packed.h
new file mode 100644
index 0000000..3857c22
--- /dev/null
+++ b/src/packed.h
@@ -0,0 +1,22 @@
+/*
+ * 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.
+ */
+
+#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 */