xref: /freebsd/contrib/libfido2/src/packed.h (revision 6137b5f7b8c183ee8806d79b3f1d8e5e3ddb3df3)
1 /*
2  * Copyright (c) 2018 Yubico AB. All rights reserved.
3  * Use of this source code is governed by a BSD-style
4  * license that can be found in the LICENSE file.
5  * SPDX-License-Identifier: BSD-2-Clause
6  */
7 
8 #ifndef _PACKED_H
9 #define _PACKED_H
10 
11 #if defined(__GNUC__)
12 #define PACKED_TYPE(type, def)	\
13 	typedef def __attribute__ ((__packed__)) type;
14 #elif defined(_MSC_VER)
15 #define PACKED_TYPE(type, def)	\
16 	__pragma(pack(push, 1))	\
17 	typedef def type;	\
18 	__pragma(pack(pop))
19 #else
20 #error "please provide a way to define packed types on your platform"
21 #endif
22 
23 #endif /* !_PACKED_H */
24