1*6777b538SAndroid Build Coastguard Worker // Copyright 2019 The Chromium Authors 2*6777b538SAndroid Build Coastguard Worker // Use of this source code is governed by a BSD-style license that can be 3*6777b538SAndroid Build Coastguard Worker // found in the LICENSE file. 4*6777b538SAndroid Build Coastguard Worker 5*6777b538SAndroid Build Coastguard Worker #ifndef BASE_HASH_LEGACY_HASH_H_ 6*6777b538SAndroid Build Coastguard Worker #define BASE_HASH_LEGACY_HASH_H_ 7*6777b538SAndroid Build Coastguard Worker 8*6777b538SAndroid Build Coastguard Worker #include <stdint.h> 9*6777b538SAndroid Build Coastguard Worker 10*6777b538SAndroid Build Coastguard Worker #include "base/base_export.h" 11*6777b538SAndroid Build Coastguard Worker #include "base/containers/span.h" 12*6777b538SAndroid Build Coastguard Worker 13*6777b538SAndroid Build Coastguard Worker namespace base { 14*6777b538SAndroid Build Coastguard Worker namespace legacy { 15*6777b538SAndroid Build Coastguard Worker 16*6777b538SAndroid Build Coastguard Worker // Implementation is fixed at CityHash v1.0.3. 17*6777b538SAndroid Build Coastguard Worker // Unchanging forever: yes 18*6777b538SAndroid Build Coastguard Worker BASE_EXPORT uint64_t CityHash64(base::span<const uint8_t> data); 19*6777b538SAndroid Build Coastguard Worker BASE_EXPORT uint64_t CityHash64WithSeed(base::span<const uint8_t> data, 20*6777b538SAndroid Build Coastguard Worker uint64_t seed); 21*6777b538SAndroid Build Coastguard Worker 22*6777b538SAndroid Build Coastguard Worker } // namespace legacy 23*6777b538SAndroid Build Coastguard Worker } // namespace base 24*6777b538SAndroid Build Coastguard Worker 25*6777b538SAndroid Build Coastguard Worker #endif // BASE_HASH_LEGACY_HASH_H_ 26