1 files changed, 0 insertions, 45 deletions
diff --git a/src/leveldb/util/crc32c.h b/src/leveldb/util/crc32c.h
deleted file mode 100644
index 1d7e5c075..000000000
--- a/src/leveldb/util/crc32c.h
+++ /dev/null
@@ -1,45 +0,0 @@
-// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file. See the AUTHORS file for names of contributors.
-
-#ifndef STORAGE_LEVELDB_UTIL_CRC32C_H_
-#define STORAGE_LEVELDB_UTIL_CRC32C_H_
-
-#include <stddef.h>
-#include <stdint.h>
-
-namespace leveldb {
-namespace crc32c {
-
-// Return the crc32c of concat(A, data[0,n-1]) where init_crc is the
-// crc32c of some string A.  Extend() is often used to maintain the
-// crc32c of a stream of data.
-extern uint32_t Extend(uint32_t init_crc, const char* data, size_t n);
-
-// Return the crc32c of data[0,n-1]
-inline uint32_t Value(const char* data, size_t n) {
-  return Extend(0, data, n);
-}
-
-static const uint32_t kMaskDelta = 0xa282ead8ul;
-
-// Return a masked representation of crc.
-//
-// Motivation: it is problematic to compute the CRC of a string that
-// contains embedded CRCs.  Therefore we recommend that CRCs stored
-// somewhere (e.g., in files) should be masked before being stored.
-inline uint32_t Mask(uint32_t crc) {
-  // Rotate right by 15 bits and add a constant.
-  return ((crc >> 15) | (crc << 17)) + kMaskDelta;
-}
-
-// Return the crc whose masked representation is masked_crc.
-inline uint32_t Unmask(uint32_t masked_crc) {
-  uint32_t rot = masked_crc - kMaskDelta;
-  return ((rot >> 17) | (rot << 15));
-}
-
-}  // namespace crc32c
-}  // namespace leveldb
-
-#endif  // STORAGE_LEVELDB_UTIL_CRC32C_H_