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Add IntegerFor
template class + Update GenerateUuidV4
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@ -340,6 +340,20 @@ namespace skyline {
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return frz::elsa<frz::string>{}(frz::string(view.data(), view.size()), 0);
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}
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/**
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* @brief Selects the largest possible integer type for representing an object alongside providing the size of the object in terms of the underlying type
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*/
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template<class T>
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struct IntegerFor {
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using type = std::conditional_t<sizeof(T) % sizeof(u64) == 0, u64,
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std::conditional_t<sizeof(T) % sizeof(u32) == 0, u32,
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std::conditional_t<sizeof(T) % sizeof(u16) == 0, u16, u8>
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>
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>;
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static constexpr size_t count{sizeof(T) / sizeof(type)};
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};
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namespace detail {
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static thread_local std::mt19937_64 generator{GetTimeTicks()};
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}
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@ -354,6 +368,11 @@ namespace skyline {
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std::generate(in.begin(), in.end(), gen);
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}
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template<class T> requires (!std::is_integral_v<T> && std::is_trivially_copyable_v<T>)
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void FillRandomBytes(T &object) {
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FillRandomBytes(std::span(reinterpret_cast<typename IntegerFor<T>::type *>(&object), IntegerFor<T>::count));
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}
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}
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/**
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@ -58,7 +58,7 @@ namespace skyline {
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// Create an initial random UUID
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UuidLayout uuid;
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util::FillRandomBytes(span(&uuid, 1).cast<u64>());
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util::FillRandomBytes(uuid);
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// Set format bits
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uuid.reserved = reserved;
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