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/* Copyright (C) 2002-2003 RealVNC Ltd. All Rights Reserved.
*
* This 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 software 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 software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
#ifndef __RDR_RANDOMSTREAM_H__
#define __RDR_RANDOMSTREAM_H__
#include <stdio.h>
#include <rdr/InStream.h>
#ifdef WIN32
#ifndef _WIN32_WINNT
#define _WIN32_WINNT 0x0400
#endif
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <wincrypt.h>
#endif
namespace rdr {
class RandomStream : public InStream {
public:
RandomStream();
virtual ~RandomStream();
int pos();
protected:
int overrun(int itemSize, int nItems, bool wait);
private:
U8* start;
int offset;
static unsigned int seed;
#ifdef WIN32
HCRYPTPROV provider;
#else
FILE* fp;
#endif
};
} // end of namespace rdr
#endif
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