xref: /aosp_15_r20/external/ot-br-posix/src/common/byteswap.hpp (revision 4a64e381480ef79f0532b2421e44e6ee336b8e0d)
1*4a64e381SAndroid Build Coastguard Worker /*
2*4a64e381SAndroid Build Coastguard Worker  *    Copyright (c) 2020, The OpenThread Authors.
3*4a64e381SAndroid Build Coastguard Worker  *    All rights reserved.
4*4a64e381SAndroid Build Coastguard Worker  *
5*4a64e381SAndroid Build Coastguard Worker  *    Redistribution and use in source and binary forms, with or without
6*4a64e381SAndroid Build Coastguard Worker  *    modification, are permitted provided that the following conditions are met:
7*4a64e381SAndroid Build Coastguard Worker  *    1. Redistributions of source code must retain the above copyright
8*4a64e381SAndroid Build Coastguard Worker  *       notice, this list of conditions and the following disclaimer.
9*4a64e381SAndroid Build Coastguard Worker  *    2. Redistributions in binary form must reproduce the above copyright
10*4a64e381SAndroid Build Coastguard Worker  *       notice, this list of conditions and the following disclaimer in the
11*4a64e381SAndroid Build Coastguard Worker  *       documentation and/or other materials provided with the distribution.
12*4a64e381SAndroid Build Coastguard Worker  *    3. Neither the name of the copyright holder nor the
13*4a64e381SAndroid Build Coastguard Worker  *       names of its contributors may be used to endorse or promote products
14*4a64e381SAndroid Build Coastguard Worker  *       derived from this software without specific prior written permission.
15*4a64e381SAndroid Build Coastguard Worker  *
16*4a64e381SAndroid Build Coastguard Worker  *    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17*4a64e381SAndroid Build Coastguard Worker  *    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18*4a64e381SAndroid Build Coastguard Worker  *    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19*4a64e381SAndroid Build Coastguard Worker  *    ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20*4a64e381SAndroid Build Coastguard Worker  *    LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21*4a64e381SAndroid Build Coastguard Worker  *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22*4a64e381SAndroid Build Coastguard Worker  *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23*4a64e381SAndroid Build Coastguard Worker  *    INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24*4a64e381SAndroid Build Coastguard Worker  *    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25*4a64e381SAndroid Build Coastguard Worker  *    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26*4a64e381SAndroid Build Coastguard Worker  *    POSSIBILITY OF SUCH DAMAGE.
27*4a64e381SAndroid Build Coastguard Worker  */
28*4a64e381SAndroid Build Coastguard Worker 
29*4a64e381SAndroid Build Coastguard Worker /**
30*4a64e381SAndroid Build Coastguard Worker  * @file
31*4a64e381SAndroid Build Coastguard Worker  * This file defines bswap_* on macOS.
32*4a64e381SAndroid Build Coastguard Worker  */
33*4a64e381SAndroid Build Coastguard Worker 
34*4a64e381SAndroid Build Coastguard Worker #ifndef OTBR_COMMON_BYTESWAP_HPP_
35*4a64e381SAndroid Build Coastguard Worker #define OTBR_COMMON_BYTESWAP_HPP_
36*4a64e381SAndroid Build Coastguard Worker 
37*4a64e381SAndroid Build Coastguard Worker #include "openthread-br/config.h"
38*4a64e381SAndroid Build Coastguard Worker 
39*4a64e381SAndroid Build Coastguard Worker #if __APPLE__
40*4a64e381SAndroid Build Coastguard Worker #include <libkern/OSByteOrder.h>
41*4a64e381SAndroid Build Coastguard Worker #define bswap_16 OSSwapInt16
42*4a64e381SAndroid Build Coastguard Worker #define bswap_32 OSSwapInt32
43*4a64e381SAndroid Build Coastguard Worker #define bswap_64 OSSwapInt64
44*4a64e381SAndroid Build Coastguard Worker 
45*4a64e381SAndroid Build Coastguard Worker #define htobe16(x) OSSwapHostToBigInt16(x)
46*4a64e381SAndroid Build Coastguard Worker #define htole16(x) OSSwapHostToLittleInt16(x)
47*4a64e381SAndroid Build Coastguard Worker #define be16toh(x) OSSwapBigToHostInt16(x)
48*4a64e381SAndroid Build Coastguard Worker #define le16toh(x) OSSwapLittleToHostInt16(x)
49*4a64e381SAndroid Build Coastguard Worker 
50*4a64e381SAndroid Build Coastguard Worker #define htobe32(x) OSSwapHostToBigInt32(x)
51*4a64e381SAndroid Build Coastguard Worker #define htole32(x) OSSwapHostToLittleInt32(x)
52*4a64e381SAndroid Build Coastguard Worker #define be32toh(x) OSSwapBigToHostInt32(x)
53*4a64e381SAndroid Build Coastguard Worker #define le32toh(x) OSSwapLittleToHostInt32(x)
54*4a64e381SAndroid Build Coastguard Worker 
55*4a64e381SAndroid Build Coastguard Worker #define htobe64(x) OSSwapHostToBigInt64(x)
56*4a64e381SAndroid Build Coastguard Worker #define htole64(x) OSSwapHostToLittleInt64(x)
57*4a64e381SAndroid Build Coastguard Worker #define be64toh(x) OSSwapBigToHostInt64(x)
58*4a64e381SAndroid Build Coastguard Worker #define le64toh(x) OSSwapLittleToHostInt64(x)
59*4a64e381SAndroid Build Coastguard Worker #else
60*4a64e381SAndroid Build Coastguard Worker #include <byteswap.h>
61*4a64e381SAndroid Build Coastguard Worker 
62*4a64e381SAndroid Build Coastguard Worker #if defined(__linux__)
63*4a64e381SAndroid Build Coastguard Worker #include <endian.h>
64*4a64e381SAndroid Build Coastguard Worker #elif defined(__FreeBSD__) || defined(__NetBSD__)
65*4a64e381SAndroid Build Coastguard Worker #include <sys/endian.h>
66*4a64e381SAndroid Build Coastguard Worker #endif
67*4a64e381SAndroid Build Coastguard Worker #endif
68*4a64e381SAndroid Build Coastguard Worker 
69*4a64e381SAndroid Build Coastguard Worker #endif // OTBR_COMMON_BYTESWAP_HPP_
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