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Diffstat (limited to 'src/leveldb/port/port_example.h')
-rw-r--r-- | src/leveldb/port/port_example.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/leveldb/port/port_example.h b/src/leveldb/port/port_example.h index ab9e489b32..97bd669a5e 100644 --- a/src/leveldb/port/port_example.h +++ b/src/leveldb/port/port_example.h @@ -129,6 +129,12 @@ extern bool Snappy_Uncompress(const char* input_data, size_t input_length, // The concatenation of all "data[0,n-1]" fragments is the heap profile. extern bool GetHeapProfile(void (*func)(void*, const char*, int), void* arg); +// Extend the CRC to include the first n bytes of buf. +// +// Returns zero if the CRC cannot be extended using acceleration, else returns +// the newly extended CRC value (which may also be zero). +uint32_t AcceleratedCRC32C(uint32_t crc, const char* buf, size_t size); + } // namespace port } // namespace leveldb |