// -----------------------------------------------------------------------------
/// @file  crc32.c
/// @brief Description
// -----------------------------------------------------------------------------
//  Micro-Key bv
//  Industrieweg 28, 9804 TG Noordhorn
//  Postbus 92, 9800 AB Zuidhorn
//  The Netherlands
//  Tel: +31 594 503020
//  Fax: +31 594 505825
//  Email: support@microkey.nl
//  Web: www.microkey.nl
// -----------------------------------------------------------------------------
/// $Revision$
/// $Author$
/// $Date$
//  (c) 2017 Micro-Key bv
// -----------------------------------------------------------------------------

/// @file crc32.c
/// @ingroup {group_name}


// -----------------------------------------------------------------------------
// Include files
// -----------------------------------------------------------------------------

#include "crc32.h"

// -----------------------------------------------------------------------------
// Constant and macro definitions
// -----------------------------------------------------------------------------



// -----------------------------------------------------------------------------
// Type definitions
// -----------------------------------------------------------------------------


// -----------------------------------------------------------------------------
// File-scope variables
// -----------------------------------------------------------------------------



// -----------------------------------------------------------------------------
// Function declarations
// -----------------------------------------------------------------------------



// -----------------------------------------------------------------------------
// Function definitions
// -----------------------------------------------------------------------------

uint32_t crc32_calculate(uint32_t crc, const void* buffer, size_t size)
{
   const uint8_t *p;

   p = buffer;
   crc = crc ^ ~0U;

   while (size--)
      crc = crc32_tab[(crc ^ *p++) & 0xFF] ^ (crc >> 8);

   return crc ^ ~0U;
}