38 lines
914 B
C++
38 lines
914 B
C++
/*
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* Copyright 2014, Ingo Weinhold, ingo_weinhold@gmx.de.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _DATA_POSITION_IO_WRAPPER_H_
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#define _DATA_POSITION_IO_WRAPPER_H_
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#include <DataIO.h>
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class BDataPositionIOWrapper : public BPositionIO {
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public:
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BDataPositionIOWrapper(BDataIO* io);
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~BDataPositionIOWrapper();
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virtual ssize_t Read(void* buffer, size_t size);
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virtual ssize_t Write(const void* buffer, size_t size);
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virtual ssize_t ReadAt(off_t position, void* buffer,
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size_t size);
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virtual ssize_t WriteAt(off_t position, const void* buffer,
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size_t size);
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virtual off_t Seek(off_t position, uint32 seekMode);
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virtual off_t Position() const;
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virtual status_t SetSize(off_t size);
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virtual status_t GetSize(off_t* size) const;
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private:
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BDataIO* fIO;
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off_t fPosition;
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};
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#endif // _DATA_POSITION_IO_WRAPPER_H_
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