36 lines
660 B
C++
36 lines
660 B
C++
#include "uuid.h"
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namespace uuid {
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static std::random_device rd;
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static std::mt19937 gen(rd());
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static std::uniform_int_distribution<> dis(0, 15);
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static std::uniform_int_distribution<> dis2(8, 11);
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std::string generate_uuid_v4() {
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std::stringstream ss;
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int i;
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ss << std::hex;
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for (i = 0; i < 8; i++) {
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ss << dis(gen);
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}
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ss << "-";
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for (i = 0; i < 4; i++) {
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ss << dis(gen);
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}
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ss << "-4";
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for (i = 0; i < 3; i++) {
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ss << dis(gen);
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}
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ss << "-";
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ss << dis2(gen);
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for (i = 0; i < 3; i++) {
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ss << dis(gen);
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}
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ss << "-";
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for (i = 0; i < 12; i++) {
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ss << dis(gen);
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};
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return ss.str();
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}
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} // namespace uuid
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