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1 /* Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
2  * Use of this source code is governed by a BSD-style license that can be
3  * found in the LICENSE file.
4  */
5 
6 #ifndef VBOOT_REFERENCE_UTILITY_CGPT_ENDIAN_H_
7 #define VBOOT_REFERENCE_UTILITY_CGPT_ENDIAN_H_
8 
9 // Newer distros already have this. For those that don't, we add it here.
10 #ifndef HAVE_MACOS
11 #include <endian.h>
12 #endif
13 
14 #ifndef le16toh
15 
16 #ifndef HAVE_MACOS
17 # include <byteswap.h>
18 #endif
19 
20 # if __BYTE_ORDER == __LITTLE_ENDIAN
21 #  define htobe16(x) __bswap_16 (x)
22 #  define htole16(x) (x)
23 #  define be16toh(x) __bswap_16 (x)
24 #  define le16toh(x) (x)
25 
26 #  define htobe32(x) __bswap_32 (x)
27 #  define htole32(x) (x)
28 #  define be32toh(x) __bswap_32 (x)
29 #  define le32toh(x) (x)
30 
31 #  define htobe64(x) __bswap_64 (x)
32 #  define htole64(x) (x)
33 #  define be64toh(x) __bswap_64 (x)
34 #  define le64toh(x) (x)
35 # else
36 #  define htobe16(x) (x)
37 #  define htole16(x) __bswap_16 (x)
38 #  define be16toh(x) (x)
39 #  define le16toh(x) __bswap_16 (x)
40 
41 #  define htobe32(x) (x)
42 #  define htole32(x) __bswap_32 (x)
43 #  define be32toh(x) (x)
44 #  define le32toh(x) __bswap_32 (x)
45 
46 #  define htobe64(x) (x)
47 #  define htole64(x) __bswap_64 (x)
48 #  define be64toh(x) (x)
49 #  define le64toh(x) __bswap_64 (x)
50 # endif
51 
52 #endif
53 #endif  // VBOOT_REFERENCE_UTILITY_CGPT_ENDIAN_H_
54