diff options
author | Patrick Simianer <simianer@cl.uni-heidelberg.de> | 2012-04-26 09:35:12 +0200 |
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committer | Patrick Simianer <simianer@cl.uni-heidelberg.de> | 2012-04-26 09:35:12 +0200 |
commit | 273abce33542fb991e7188c14cd6419870cdb2bd (patch) | |
tree | 3451edd4298a2cf346954f37025ec4fea7432ebc /utils/citycrc.h | |
parent | d19af7519f57589373569cc592ae49b7cba55e15 (diff) | |
parent | a2d4bc2a4370f628f320fe2cc09fa88b81498df0 (diff) |
merge with upstream
Diffstat (limited to 'utils/citycrc.h')
-rw-r--r-- | utils/citycrc.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/utils/citycrc.h b/utils/citycrc.h new file mode 100644 index 00000000..318e3917 --- /dev/null +++ b/utils/citycrc.h @@ -0,0 +1,43 @@ +// 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_ |