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/*
* @copyright Copyright (c) 2016-2020 TOYOTA MOTOR CORPORATION.
*
* 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.
*/
///////////////////////////////////////////////////////////////////////////////
/// \ingroup tag_SystemManager
/// \brief This file provides for checksum calculation.
///
///////////////////////////////////////////////////////////////////////////////
#include "ss_sm_checksum.h"
CSMChecksum::CSMChecksum() {}
CSMChecksum::~CSMChecksum() {}
UI_32 CSMChecksum::cal_checksum(const void* p_buf, size_t bufSize) {
size_t num;
UI_32 sum = 0;
const UI_32 *p_calcBuf = reinterpret_cast<const UI_32 *>(p_buf);
num = bufSize / sizeof(UI_32);
for (size_t i = 0; i < num; i++) {
sum += p_calcBuf[i];
}
return sum;
}
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