// Copyright Epic Games, Inc. All Rights Reserved.

#include <zenutil/referencemetadata.h>
//////////////////////////////////////////////////////////////////////////

#include <zencore/xxhash.h>

namespace zen {

uint32_t
ReferenceMetaDataHeader::ComputeChecksum() const
{
	return XXH32(&Magic, sizeof(ReferenceMetaDataHeader) - sizeof(uint32_t), 0xC0C0'BABA);
}

bool
ReferenceMetaDataHeader::IsValid(uint32_t ExpectedMagic) const
{
	if (Magic != ExpectedMagic)
	{
		return false;
	}

	if (Checksum != ComputeChecksum())
	{
		return false;
	}

	return true;
}

}  // namespace zen