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stdiostream.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * 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; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * $URL: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/tags/release-1-0-0/backends/fs/stdiostream.h $
 * $Id: stdiostream.h 44277 2009-09-23 20:31:23Z joostp $
 *
 */

#ifndef BACKENDS_FS_STDIOSTREAM_H
#define BACKENDS_FS_STDIOSTREAM_H

#include "common/scummsys.h"
#include "common/noncopyable.h"
#include "common/stream.h"
#include "common/str.h"

class StdioStream : public Common::SeekableReadStream, public Common::WriteStream, public Common::NonCopyable {
protected:
      /** File handle to the actual file. */
      void *_handle;

public:
      /**
       * Given a path, invokes fopen on that path and wrap the result in a
       * StdioStream instance.
       */
      static StdioStream *makeFromPath(const Common::String &path, bool writeMode);

      StdioStream(void *handle);
      virtual ~StdioStream();

      virtual bool err() const;
      virtual void clearErr();
      virtual bool eos() const;

      virtual uint32 write(const void *dataPtr, uint32 dataSize);
      virtual bool flush();

      virtual int32 pos() const;
      virtual int32 size() const;
      virtual bool seek(int32 offs, int whence = SEEK_SET);
      virtual uint32 read(void *dataPtr, uint32 dataSize);
};

#endif

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