mirror of
https://github.com/ecency/ecency-mobile.git
synced 2024-12-21 04:11:50 +03:00
41 lines
1.1 KiB
C++
41 lines
1.1 KiB
C++
/*
|
|
* Copyright 2016 Facebook, Inc.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <stdint.h>
|
|
#include <cstddef>
|
|
|
|
/*
|
|
* Checksum functions
|
|
*/
|
|
|
|
namespace folly {
|
|
|
|
/**
|
|
* Compute the CRC-32C checksum of a buffer, using a hardware-accelerated
|
|
* implementation if available or a portable software implementation as
|
|
* a default.
|
|
*
|
|
* @note CRC-32C is different from CRC-32; CRC-32C starts with a different
|
|
* polynomial and thus yields different results for the same input
|
|
* than a traditional CRC-32.
|
|
*/
|
|
uint32_t crc32c(const uint8_t* data, size_t nbytes,
|
|
uint32_t startingChecksum = ~0U);
|
|
|
|
} // folly
|