61 std::optional<Uuid> Uuid::FromString(const std::string& uuid) {  in FromString()  argument
62   if (uuid.empty()) {  in FromString()
68   if (uuid.size() == kString128BitLen) {  in FromString()
69     if (uuid[8] != '-' || uuid[13] != '-' || uuid[18] != '-' || uuid[23] != '-') {  in FromString()
75         uuid.c_str(),  in FromString()
102   } else if (uuid.size() == 8) {  in FromString()
104     int rc = sscanf(uuid.c_str(), "%02hhx%02hhx%02hhx%02hhx%n", &p[0], &p[1], &p[2], &p[3], &c);  in FromString()
112   } else if (uuid.size() == 4) {  in FromString()
114     int rc = sscanf(uuid.c_str(), "%02hhx%02hhx%n", &p[2], &p[3], &c);  in FromString()
128 std::optional<Uuid> Uuid::FromLegacyConfigString(const std::string& uuid) {  in FromLegacyConfigString()  argument
129   return FromString(uuid);  in FromLegacyConfigString()
150 Uuid Uuid::From128BitBE(const uint8_t* uuid) {  in From128BitBE()  argument
152   memcpy(tmp.data(), uuid, kNumBytes128);  in From128BitBE()
156 Uuid Uuid::From128BitLE(const UUID128Bit& uuid) {  in From128BitLE()  argument
158   std::reverse_copy(uuid.data(), uuid.data() + kNumBytes128, u.uu.begin());  in From128BitLE()
162 Uuid Uuid::From128BitLE(const uint8_t* uuid) {  in From128BitLE()  argument
164   memcpy(tmp.data(), uuid, kNumBytes128);  in From128BitLE()
179   Uuid uuid;  in GetRandom()  local
180   RAND_bytes(uuid.uu.data(), uuid.uu.size());  in GetRandom()
181   return uuid;  in GetRandom()