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