Line data    Source code

       1             : // Copyright (c) 2014-2015 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             : {
      15             :     if constexpr (std::endian::native == std::endian::little) return internal_bswap_16(host_16bits);
      16             :         else return host_16bits;
      17             : }
      18     1872368 : inline BSWAP_CONSTEXPR uint16_t htole16_internal(uint16_t host_16bits)
      19             : {
      20             :     if constexpr (std::endian::native == std::endian::big) return internal_bswap_16(host_16bits);
      21     1872368 :         else return host_16bits;
      22             : }
      23      103351 : inline BSWAP_CONSTEXPR uint16_t be16toh_internal(uint16_t big_endian_16bits)
      24             : {
      25      103351 :     if constexpr (std::endian::native == std::endian::little) return internal_bswap_16(big_endian_16bits);
      26             :         else return big_endian_16bits;
      27             : }
      28     4307435 : inline BSWAP_CONSTEXPR uint16_t le16toh_internal(uint16_t little_endian_16bits)
      29             : {
      30             :     if constexpr (std::endian::native == std::endian::big) return internal_bswap_16(little_endian_16bits);
      31     4307435 :         else return little_endian_16bits;
      32             : }
      33   266032746 : inline BSWAP_CONSTEXPR uint32_t htobe32_internal(uint32_t host_32bits)
      34             : {
      35   266032746 :     if constexpr (std::endian::native == std::endian::little) return internal_bswap_32(host_32bits);
      36             :         else return host_32bits;
      37             : }
      38   412101638 : inline BSWAP_CONSTEXPR uint32_t htole32_internal(uint32_t host_32bits)
      39             : {
      40             :     if constexpr (std::endian::native == std::endian::big) return internal_bswap_32(host_32bits);
      41   412101638 :         else return host_32bits;
      42             : }
      43  4777391963 : inline BSWAP_CONSTEXPR uint32_t be32toh_internal(uint32_t big_endian_32bits)
      44             : {
      45  4777391963 :     if constexpr (std::endian::native == std::endian::little) return internal_bswap_32(big_endian_32bits);
      46             :         else return big_endian_32bits;
      47             : }
      48   725648138 : inline BSWAP_CONSTEXPR uint32_t le32toh_internal(uint32_t little_endian_32bits)
      49             : {
      50             :     if constexpr (std::endian::native == std::endian::big) return internal_bswap_32(little_endian_32bits);
      51   725648138 :         else return little_endian_32bits;
      52             : }
      53  2825454718 : inline BSWAP_CONSTEXPR uint64_t htobe64_internal(uint64_t host_64bits)
      54             : {
      55  2825454718 :     if constexpr (std::endian::native == std::endian::little) return internal_bswap_64(host_64bits);
      56             :         else return host_64bits;
      57             : }
      58   130761920 : inline BSWAP_CONSTEXPR uint64_t htole64_internal(uint64_t host_64bits)
      59             : {
      60             :     if constexpr (std::endian::native == std::endian::big) return internal_bswap_64(host_64bits);
      61   130761920 :         else return host_64bits;
      62             : }
      63  5217176232 : inline BSWAP_CONSTEXPR uint64_t be64toh_internal(uint64_t big_endian_64bits)
      64             : {
      65  5217176232 :     if constexpr (std::endian::native == std::endian::little) return internal_bswap_64(big_endian_64bits);
      66             :         else return big_endian_64bits;
      67             : }
      68  1096819651 : inline BSWAP_CONSTEXPR uint64_t le64toh_internal(uint64_t little_endian_64bits)
      69             : {
      70             :     if constexpr (std::endian::native == std::endian::big) return internal_bswap_64(little_endian_64bits);
      71  1096819651 :         else return little_endian_64bits;
      72             : }
      73             : 
      74             : #endif // BITCOIN_COMPAT_ENDIAN_H