suyu/src/common/uuid.cpp
2019-04-25 08:07:57 -04:00

33 lines
1,003 B
C++

// Copyright 2018 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <random>
#include <fmt/format.h>
#include "common/uuid.h"
namespace Common {
UUID UUID::Generate() {
std::random_device device;
std::mt19937 gen(device());
std::uniform_int_distribution<u64> distribution(1, std::numeric_limits<u64>::max());
return UUID{distribution(gen), distribution(gen)};
}
std::string UUID::Format() const {
return fmt::format("0x{:016X}{:016X}", uuid[1], uuid[0]);
}
std::string UUID::FormatSwitch() const {
std::array<u8, 16> s{};
std::memcpy(s.data(), uuid.data(), sizeof(u128));
return fmt::format("{:02x}{:02x}{:02x}{:02x}-{:02x}{:02x}-{:02x}{:02x}-{:02x}{:02x}-{:02x}{"
":02x}{:02x}{:02x}{:02x}{:02x}",
s[0], s[1], s[2], s[3], s[4], s[5], s[6], s[7], s[8], s[9], s[10], s[11],
s[12], s[13], s[14], s[15]);
}
} // namespace Common