1 | #include <IO/HashingWriteBuffer.h> |
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2 | #include <IO/WriteBufferFromFile.h> |
3 | |
4 | #define FAIL(msg) do { std::cout << msg; exit(1); } while (0) |
5 | |
6 | |
7 | static CityHash_v1_0_2::uint128 referenceHash(const char * data, size_t len) |
8 | { |
9 | const size_t block_size = DBMS_DEFAULT_HASHING_BLOCK_SIZE; |
10 | CityHash_v1_0_2::uint128 state(0, 0); |
11 | size_t pos; |
12 | |
13 | for (pos = 0; pos + block_size <= len; pos += block_size) |
14 | state = CityHash_v1_0_2::CityHash128WithSeed(data + pos, block_size, state); |
15 | |
16 | if (pos < len) |
17 | state = CityHash_v1_0_2::CityHash128WithSeed(data + pos, len - pos, state); |
18 | |
19 | return state; |
20 | } |
21 |