File content as of revision 5:63232ef22abe:

/*******************************************************************************
* Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
*
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* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
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* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* OTHER DEALINGS IN THE SOFTWARE.
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#include "common.hpp"

const std::size_t charsPerByte = 2;

std::string byteArrayToHexString(const std::uint8_t * byteArray, std::size_t byteArraySize)
{
  std::string hexString;
  hexString.reserve(byteArraySize * charsPerByte);
  byteArrayToHexString(byteArray, byteArraySize, hexString);
  return hexString;
}

void byteArrayToHexString(const std::uint8_t * byteArray, std::size_t byteArraySize, std::string & hexString)
{
  char hexBuf[charsPerByte + 1];
  for (std::size_t i = 0; i < byteArraySize; i++)
  {
    std::snprintf(hexBuf, (sizeof(hexBuf) / sizeof(hexBuf[0])), "%2.2X", byteArray[i]);
    hexString.append(hexBuf, charsPerByte);
  }
}