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Delegate string hashing to standard library

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Since standard library could have platform dependent specialized hashing functions.
Also the main idea is to let `qHash` handle whatever integer type `std::hash` returns and mix it with `seed` accordingly.

PR #18715.
This commit is contained in:
Chocobo1 2023-03-18 14:09:35 +08:00 • committed by GitHub
parent d41a77841d
commit a450a7c6e1
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2 changed files with 2 additions and 2 deletions
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2
src/base/bittorrent/sessionimpl.cpp
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@ -125,7 +125,7 @@ namespace std
{ {
uint qHash(const std::string &key, uint seed = 0) uint qHash(const std::string &key, uint seed = 0)
{ {
return qHash(QByteArray::fromRawData(key.data(), static_cast<int>(key.length())), seed); return ::qHash(std::hash<std::string> {}(key), seed);
} }
} }

2
src/base/digest32.h
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@ -167,6 +167,6 @@ std::size_t qHash(const Digest32<N> &key, const std::size_t seed = 0)
template <int N> template <int N>
uint qHash(const Digest32<N> &key, const uint seed = 0) uint qHash(const Digest32<N> &key, const uint seed = 0)
{ {
return static_cast<uint>((std::hash<typename Digest32<N>::UnderlyingType> {})(key)) ^ seed; return ::qHash(std::hash<typename Digest32<N>::UnderlyingType> {}(key), seed);
} }
#endif #endif