/* * Copyright 2007, Haiku, Inc. All Rights Reserved. * Distributed under the terms of the MIT License. */ #ifndef _BUFFER_IO_H #define _BUFFER_IO_H #include class BBufferIO : public BPositionIO { public: BBufferIO(BPositionIO* stream, size_t bufferSize = 65536L, bool ownsStream = true); virtual ~BBufferIO(); virtual ssize_t ReadAt(off_t pos, void* buffer, size_t size); virtual ssize_t WriteAt(off_t pos, const void* buffer, size_t size); virtual off_t Seek(off_t position, uint32 seekMode); virtual off_t Position() const; virtual status_t SetSize(off_t size); virtual status_t Flush(); BPositionIO* Stream() const; size_t BufferSize() const; bool OwnsStream() const; void SetOwnsStream(bool ownsStream); void PrintToStream() const; private: virtual status_t _Reserved_BufferIO_0(void*); virtual status_t _Reserved_BufferIO_1(void*); virtual status_t _Reserved_BufferIO_2(void*); virtual status_t _Reserved_BufferIO_3(void*); virtual status_t _Reserved_BufferIO_4(void*); off_t fBufferStart; BPositionIO* fStream; char* fBuffer; size_t fBufferSize; size_t fBufferUsed; uint32 _reserved_ints[6]; bool fBufferIsDirty; bool fOwnsStream; bool _reserved_bools[6]; }; #endif // _BUFFER_IO_H