#include <CRC32Calculator.h>

Public Member Functions
boost::uint32_t	checksum ()

	CRC32Calculator (std::string const &message)

Private Attributes
boost::uint32_t	checksum_

Detailed Description

Definition at line 62 of file CRC32Calculator.h.

Constructor & Destructor Documentation

cms::CRC32Calculator::CRC32Calculator ( std::string const & message )

Definition at line 81 of file CRC32Calculator.cc.

References checksum_, j, and AlCaHLTBitMon_ParallelJobs::p.

                                                            {
 
     /* initialize value */
     checksum_ = CRC32_XINIT;
 
     /* process each byte prior to checksum field */
     int length = message.length();
     char const* p = message.data();
     for (int j = 0; j < length; j++) {
       unsigned char uc = *p++;
       checksum_ = cms::crctable[(checksum_ ^ uc) & 0xFFL] ^ (checksum_ >> 8);
     }
 
     /* return XOR out value */
     checksum_ = checksum_ ^ CRC32_XOROT;
   }