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net/SocketAddress: add std::span cast operators

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This commit is contained in:
Max Kellermann 2022-06-07 10:30:54 +02:00 committed by Max Kellermann
parent 81afb47cd0
commit 8aa4227c0c
1 changed files with 14 additions and 0 deletions
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14
src/net/SocketAddress.hxx
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@ -79,6 +79,12 @@ public:
size_type _size) noexcept size_type _size) noexcept
:address(_address), size(_size) {} :address(_address), size(_size) {}
#ifdef __cpp_lib_span
explicit SocketAddress(std::span<const std::byte> src) noexcept
:address((const struct sockaddr *)(const void *)src.data()),
size(src.size()) {}
#endif
static constexpr SocketAddress Null() noexcept { static constexpr SocketAddress Null() noexcept {
return nullptr; return nullptr;
} }
@ -165,6 +171,14 @@ public:
#endif #endif
#ifdef __cpp_lib_span #ifdef __cpp_lib_span
operator std::span<const std::byte>() const noexcept {
const void *q = reinterpret_cast<const void *>(address);
return {
(const std::byte *)q,
(std::size_t)size,
};
}
/** /**
* Return a buffer pointing to the "steady" portion of the * Return a buffer pointing to the "steady" portion of the
* address, i.e. without volatile parts like the port number. * address, i.e. without volatile parts like the port number.