/root/bitcoin/src/compat/endian.h
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1 | | // Copyright (c) 2014-2022 The Bitcoin Core developers |
2 | | // Distributed under the MIT software license, see the accompanying |
3 | | // file COPYING or http://www.opensource.org/licenses/mit-license.php. |
4 | | |
5 | | #ifndef BITCOIN_COMPAT_ENDIAN_H |
6 | | #define BITCOIN_COMPAT_ENDIAN_H |
7 | | |
8 | | #include <compat/byteswap.h> |
9 | | |
10 | | #include <bit> |
11 | | #include <cstdint> |
12 | | |
13 | | inline BSWAP_CONSTEXPR uint16_t htobe16_internal(uint16_t host_16bits) |
14 | 0 | { |
15 | 0 | if constexpr (std::endian::native == std::endian::little) return internal_bswap_16(host_16bits); |
16 | | else return host_16bits; |
17 | 0 | } |
18 | | inline BSWAP_CONSTEXPR uint16_t htole16_internal(uint16_t host_16bits) |
19 | 1.31M | { |
20 | | if constexpr (std::endian::native == std::endian::big) return internal_bswap_16(host_16bits); |
21 | 1.31M | else return host_16bits; |
22 | 1.31M | } |
23 | | inline BSWAP_CONSTEXPR uint16_t be16toh_internal(uint16_t big_endian_16bits) |
24 | 0 | { |
25 | 0 | if constexpr (std::endian::native == std::endian::little) return internal_bswap_16(big_endian_16bits); |
26 | | else return big_endian_16bits; |
27 | 0 | } |
28 | | inline BSWAP_CONSTEXPR uint16_t le16toh_internal(uint16_t little_endian_16bits) |
29 | 0 | { |
30 | | if constexpr (std::endian::native == std::endian::big) return internal_bswap_16(little_endian_16bits); |
31 | 0 | else return little_endian_16bits; |
32 | 0 | } |
33 | | inline BSWAP_CONSTEXPR uint32_t htobe32_internal(uint32_t host_32bits) |
34 | 26.8M | { |
35 | 26.8M | if constexpr (std::endian::native == std::endian::little) return internal_bswap_32(host_32bits); |
36 | | else return host_32bits; |
37 | 26.8M | } |
38 | | inline BSWAP_CONSTEXPR uint32_t htole32_internal(uint32_t host_32bits) |
39 | 43.5M | { |
40 | | if constexpr (std::endian::native == std::endian::big) return internal_bswap_32(host_32bits); |
41 | 43.5M | else return host_32bits; |
42 | 43.5M | } |
43 | | inline BSWAP_CONSTEXPR uint32_t be32toh_internal(uint32_t big_endian_32bits) |
44 | 0 | { |
45 | 0 | if constexpr (std::endian::native == std::endian::little) return internal_bswap_32(big_endian_32bits); |
46 | | else return big_endian_32bits; |
47 | 0 | } |
48 | | inline BSWAP_CONSTEXPR uint32_t le32toh_internal(uint32_t little_endian_32bits) |
49 | 250M | { |
50 | | if constexpr (std::endian::native == std::endian::big) return internal_bswap_32(little_endian_32bits); |
51 | 250M | else return little_endian_32bits; |
52 | 250M | } |
53 | | inline BSWAP_CONSTEXPR uint64_t htobe64_internal(uint64_t host_64bits) |
54 | 5.07M | { |
55 | 5.07M | if constexpr (std::endian::native == std::endian::little) return internal_bswap_64(host_64bits); |
56 | | else return host_64bits; |
57 | 5.07M | } |
58 | | inline BSWAP_CONSTEXPR uint64_t htole64_internal(uint64_t host_64bits) |
59 | 642M | { |
60 | | if constexpr (std::endian::native == std::endian::big) return internal_bswap_64(host_64bits); |
61 | 642M | else return host_64bits; |
62 | 642M | } |
63 | | inline BSWAP_CONSTEXPR uint64_t be64toh_internal(uint64_t big_endian_64bits) |
64 | 3.03M | { |
65 | 3.03M | if constexpr (std::endian::native == std::endian::little) return internal_bswap_64(big_endian_64bits); |
66 | | else return big_endian_64bits; |
67 | 3.03M | } |
68 | | inline BSWAP_CONSTEXPR uint64_t le64toh_internal(uint64_t little_endian_64bits) |
69 | 28.6M | { |
70 | | if constexpr (std::endian::native == std::endian::big) return internal_bswap_64(little_endian_64bits); |
71 | 28.6M | else return little_endian_64bits; |
72 | 28.6M | } |
73 | | |
74 | | #endif // BITCOIN_COMPAT_ENDIAN_H |