crc32c.h File Reference

#include <cstdint>
#include <cstddef>

Go to the source code of this file.

Functions
uint32_t	crc32c (uint32_t crc, const unsigned char *buf, size_t len)
bool	crc32c_hw_test ()

Function Documentation

crc32c()

uint32_t crc32c	(	uint32_t	crc,
		const unsigned char *	buf,
		size_t	len
	)

Definition at line 340 of file crc32c.cc.

References visDQMUpload::buf, and crc32c_sw().

Referenced by DataModeFRD::checksumValid(), DataModeFRDStriped::checksumValid(), FedRawDataInputSource::getNextEvent(), FRDStreamSource::setRunAndEventInfo(), FRDOutputModule::write(), and RawEventOutputModuleForBU< Consumer >::write().

{
#if defined(__x86_64__)
    int sse42;

    SSE42(sse42);
    return sse42 ? crc32c_hw(crc, buf, len) : crc32c_sw(crc, buf, len);
#else
    return crc32c_sw(crc, buf, len);
#endif
}

crc32c_hw_test()

bool crc32c_hw_test

(

)

Definition at line 354 of file crc32c.cc.

Referenced by DAQSource::DAQSource(), and FedRawDataInputSource::FedRawDataInputSource().

{

#if defined(__x86_64__)
  int sse42;

  SSE42(sse42);
  return sse42;
#else
  return 0;
#endif
}