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

#include <stdarg.h>
#include <zencore/memory.h>
#include <zencore/stream.h>
#include <zencore/testing.h>

#include <algorithm>
#include <stdexcept>

namespace zen {

void
BinaryWriter::Write(const void* data, size_t ByteCount, uint64_t Offset)
{
	RwLock::ExclusiveLockScope _(m_Lock);

	const size_t NeedEnd = Offset + ByteCount;

	if (NeedEnd > m_Buffer.size())
	{
		m_Buffer.resize(NeedEnd);
	}

	memcpy(m_Buffer.data() + Offset, data, ByteCount);
}

void
BinaryWriter::Reset()
{
	RwLock::ExclusiveLockScope _(m_Lock);

	m_Buffer.clear();
	m_Offset = 0;
}

//////////////////////////////////////////////////////////////////////////
//
// Testing related code follows...
//

#if ZEN_WITH_TESTS

void
stream_forcelink()
{
}

#endif

}  // namespace zen