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// Copyright 2017 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#ifndef CORE_FXCRT_CFX_FIXEDBUFGROW_H_
#define CORE_FXCRT_CFX_FIXEDBUFGROW_H_
#include <memory>
#include "core/fxcrt/fx_memory.h"
template <class DataType, int FixedSize>
class CFX_FixedBufGrow {
public:
explicit CFX_FixedBufGrow(int data_size) {
if (data_size > FixedSize) {
m_pGrowData.reset(FX_Alloc(DataType, data_size));
return;
}
memset(m_FixedData, 0, sizeof(DataType) * FixedSize);
}
operator DataType*() { return m_pGrowData ? m_pGrowData.get() : m_FixedData; }
private:
DataType m_FixedData[FixedSize];
std::unique_ptr<DataType, FxFreeDeleter> m_pGrowData;
};
#endif // CORE_FXCRT_CFX_FIXEDBUFGROW_H_
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