/usr/include/cal3d/datasource.h is in libcal3d12-dev 0.11.0-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// datasource.h //
// Copyright (C) 2001-2003 Bruno 'Beosil' Heidelberger //
//****************************************************************************//
// This library is free software; you can redistribute it and/or modify it //
// under the terms of the GNU Lesser General Public License as published by //
// the Free Software Foundation; either version 2.1 of the License, or (at //
// your option) any later version. //
//****************************************************************************//
#ifndef CAL_DATASOURCE_H
#define CAL_DATASOURCE_H
//****************************************************************************//
// Includes //
//****************************************************************************//
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <string>
#include "cal3d/global.h"
/**
* CalDataSource abstract interface class.
*
* This is an abstract class designed to represent a source of Cal3d data,
* whether it is an ifstream, istream, or even a memory buffer. Inheriting
* classes must implement the 'read' functions below.
*/
class CAL3D_API CalDataSource
{
public:
virtual bool ok() const = 0;
virtual void setError() const = 0;
virtual bool readBytes(void* pBuffer, int length) = 0;
virtual bool readFloat(float& value) = 0;
virtual bool readInteger(int& value) = 0;
virtual bool readString(std::string& strValue) = 0;
virtual ~CalDataSource() {};
};
#endif
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