| /* citycrc.h - cityhash-c |
| * CityHash on C |
| * Copyright (c) 2011-2012, Alexander Nusov |
| * |
| * - original copyright notice - |
| * Copyright (c) 2011 Google, Inc. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to deal |
| * in the Software without restriction, including without limitation the rights |
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| * copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| * THE SOFTWARE. |
| * |
| * CityHash, by Geoff Pike and Jyrki Alakuijala |
| * |
| * This file declares the subset of the CityHash functions that require |
| * _mm_crc32_u64(). See the CityHash README for details. |
| * |
| * Functions in the CityHash family are not suitable for cryptography. |
| */ |
| #ifndef CITY_HASH_CRC_H_ |
| #define CITY_HASH_CRC_H_ |
| |
| #include "city.h" |
| |
| /* Hash function for a byte array. */ |
| uint128 CityHashCrc128(const char *s, size_t len); |
| |
| /* Hash function for a byte array. For convenience, a 128-bit seed is also |
| * hashed into the result. */ |
| uint128 CityHashCrc128WithSeed(const char *s, size_t len, uint128 seed); |
| |
| /* Hash function for a byte array. Sets result[0] ... result[3]. */ |
| void CityHashCrc256(const char *s, size_t len, uint64 *result); |
| |
| #endif /* CITY_HASH_CRC_H_ */ |