crc32.h 1.0 KB
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//   Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
//
// 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.

// A wrapper on crc library https://github.com/d-bahr/CRCpp
#include <cstdint>

#include "paddle/fluid/recordio/detail/crc.h"

namespace paddle {
namespace recordio {

// usage
// char data[] = "hello,world";
// crc = Crc32(data, 12);
// Assert_EQ(crc, 68a85159);

uint32_t Crc32(const char* data, size_t size) {
  return CRC::Calculate(data, size, CRC::CRC_32())
}

}  // namespace recordio
}  // namespace paddle