Added old KDE3 version of kradio

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/kradio@1094417 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 71 insertions, 0 deletions

diff --git a/kradio3/src/include/fileringbuffer.h b/kradio3/src/include/fileringbuffer.h
new file mode 100644
index 0000000..3447277
--- /dev/null
+++ b/kradio3/src/include/fileringbuffer.h
@@ -0,0 +1,71 @@
+/***************************************************************************
+                          ringbuffer.h  -  description
+                             -------------------
+    begin                : Sun March 21 2004
+    copyright            : (C) 2004 by Martin Witte
+    email                : [email protected]
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#ifndef _KRADIO_FILE_RING_BUFFER_H
+#define _KRADIO_FILE_RING_BUFFER_H
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <qstring.h>
+#include <stdio.h>
+
+class FileRingBuffer
+{
+public:
+    FileRingBuffer(const QString &filename, Q_UINT64 max_size);
+    ~FileRingBuffer();
+
+    bool       resize(const QString &filename, Q_UINT64 new_max_size);
+
+    size_t     addData (const char *src, size_t size);
+    size_t     takeData(char *dst, size_t size);
+    Q_UINT64   removeData(Q_UINT64 size);
+
+    const QString &getFileName () const { return m_FileName; }
+    Q_UINT64       getMaxSize()   const { return m_MaxSize;  }
+    Q_UINT64       getRealSize()  const { return m_RealSize; }
+    Q_UINT64       getFillSize()  const { return m_FillSize; }
+    Q_UINT64       getFreeSize()  const { return (m_Start + m_FillSize > m_RealSize) ? m_RealSize - m_FillSize : m_MaxSize - m_FillSize; }
+
+    void       clear();
+
+    bool           error()       const { return m_error; }
+    const QString &errorString() const { return m_errorString; }
+
+protected:
+    Q_UINT64    getFreeSpace(Q_UINT64 &size);  // returns position in file + size
+    Q_UINT64    removeFreeSpace(Q_UINT64 size);
+
+    Q_UINT64    getData(Q_UINT64 &size);  // returns position in file + size
+
+
+    int        m_FileIdx;
+    QString    m_BaseFileName;
+    QString    m_FileName;
+    FILE      *m_File;
+    Q_UINT64   m_Start;
+    Q_UINT64   m_MaxSize;
+    Q_UINT64   m_RealSize;
+    Q_UINT64   m_FillSize;
+
+    QString   m_errorString;
+    bool      m_error;
+};
+
+#endif