62 std::optional<Uuid> Uuid::FromString(const std::string& uuid) {  in FromString()  argument
63   if (uuid.empty()) {  in FromString()
69   if (uuid.size() == kString128BitLen) {  in FromString()
70     if (uuid[8] != '-' || uuid[13] != '-' || uuid[18] != '-' || uuid[23] != '-') {  in FromString()
76         uuid.c_str(),  in FromString()
103   } else if (uuid.size() == 8) {  in FromString()
105     int rc = sscanf(uuid.c_str(), "%02hhx%02hhx%02hhx%02hhx%n", &p[0], &p[1], &p[2], &p[3], &c);  in FromString()
113   } else if (uuid.size() == 4) {  in FromString()
115     int rc = sscanf(uuid.c_str(), "%02hhx%02hhx%n", &p[2], &p[3], &c);  in FromString()
129 std::optional<Uuid> Uuid::FromLegacyConfigString(const std::string& uuid) {  in FromLegacyConfigString()  argument
130   return FromString(uuid);  in FromLegacyConfigString()
151 Uuid Uuid::From128BitBE(const uint8_t* uuid) {  in From128BitBE()  argument
153   memcpy(tmp.data(), uuid, kNumBytes128);  in From128BitBE()
157 Uuid Uuid::From128BitLE(const UUID128Bit& uuid) {  in From128BitLE()  argument
159   std::reverse_copy(uuid.data(), uuid.data() + kNumBytes128, u.uu.begin());  in From128BitLE()
163 Uuid Uuid::From128BitLE(const uint8_t* uuid) {  in From128BitLE()  argument
165   memcpy(tmp.data(), uuid, kNumBytes128);  in From128BitLE()
180   Uuid uuid;  in GetRandom()  local
181   RAND_bytes(uuid.uu.data(), uuid.uu.size());  in GetRandom()
182   return uuid;  in GetRandom()