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60 lines
1.9 KiB
60 lines
1.9 KiB
/***************************************************************************
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ringbuffer.h - description
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-------------------
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begin : Sun March 21 2004
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copyright : (C) 2004 by Martin Witte
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email : witte@kawo1.rwth-aachen.de
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef _KRADIO_RING_BUFFER_H
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#define _KRADIO_RING_BUFFER_H
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <sys/types.h>
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#include <kdemacros.h>
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class KDE_EXPORT RingBuffer
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{
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public:
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RingBuffer(size_t size);
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~RingBuffer();
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bool resize(size_t new_size);
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size_t addData (const char *src, size_t size);
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size_t takeData(char *dst, size_t size);
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char *getFreeSpace(size_t &size);
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size_t removeFreeSpace(size_t size);
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char *getData(size_t &size);
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size_t removeData(size_t size);
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size_t getSize() const { return m_Size; }
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size_t getFillSize() const { return m_FillSize; }
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size_t getFreeSize() const { return m_Size - m_FillSize; }
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void clear();
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protected:
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char *m_Buffer;
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size_t m_Start;
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size_t m_Size,
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m_FillSize;
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};
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#endif
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