diff options
Diffstat (limited to 'third_party/crc32c/src/src/crc32c_internal.h')
| -rw-r--r-- | third_party/crc32c/src/src/crc32c_internal.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/third_party/crc32c/src/src/crc32c_internal.h b/third_party/crc32c/src/src/crc32c_internal.h new file mode 100644 index 0000000000..2bd23dea43 --- /dev/null +++ b/third_party/crc32c/src/src/crc32c_internal.h @@ -0,0 +1,23 @@ +// Copyright 2017 The CRC32C 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 CRC32C_CRC32C_INTERNAL_H_ +#define CRC32C_CRC32C_INTERNAL_H_ + +// Internal functions that may change between releases. + +#include <cstddef> +#include <cstdint> + +namespace crc32c { + +// Un-accelerated implementation that works on all CPUs. +uint32_t ExtendPortable(uint32_t crc, const uint8_t* data, size_t count); + +// CRCs are pre- and post- conditioned by xoring with all ones. +static constexpr const uint32_t kCRC32Xor = static_cast<uint32_t>(0xffffffffU); + +} // namespace crc32c + +#endif // CRC32C_CRC32C_INTERNAL_H_ |