1 files changed, 76 insertions, 0 deletions

diff --git a/core/multimedia/opieplayer/modplug/memfile.cpp b/core/multimedia/opieplayer/modplug/memfile.cpp
new file mode 100644
index 0000000..8a29997
--- a/dev/null
+++ b/core/multimedia/opieplayer/modplug/memfile.cpp
@@ -0,0 +1,76 @@
+/* This file is part of the KDE project
+   Copyright (C) 2002 Simon Hausmann <hausmann@kde.org>
+
+   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.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; see the file COPYING.  If not, write to
+   the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#include "memfile.h"
+
+#include <unistd.h>
+#include <sys/mman.h>
+
+MemFile::MemFile()
+{
+}
+
+MemFile::MemFile( const QString &name )
+    : QFile( name )
+{
+}
+
+MemFile::~MemFile()
+{
+    close();
+}
+
+void MemFile::close()
+{
+    unmap();
+    QFile::close();
+}
+
+void MemFile::unmap()
+{
+#if defined(Q_WS_X11) || defined(Q_WS_QWS)
+    if ( m_data.data() )
+    {
+        munmap( m_data.data(), m_data.size() );
+        m_data.resetRawData( m_data.data(), m_data.size() );
+    }
+#endif
+}
+
+QByteArray &MemFile::data()
+{
+    if ( !m_data.data() )
+    {
+#if defined(Q_WS_X11) || defined(Q_WS_QWS)
+        const char *rawData = (const char *)mmap( 0, size(), PROT_READ,
+                                                  MAP_SHARED, handle(), 0 );
+        if ( rawData )
+        {
+            m_data.setRawData( rawData, size() );
+            return m_data;
+        }
+        else
+            qDebug( "MemFile: mmap() failed!" );
+        // fallback
+#endif
+        m_data = readAll();
+    }
+    return m_data;
+}
+