/usr/include/dar/label.hpp is in libdar-dev 2.4.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// dar - disk archive - a backup/restoration program
// Copyright (C) 2002-2052 Denis Corbin
//
// 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// to contact the author : http://dar.linux.free.fr/email.html
/*********************************************************************/
// $Id: label.hpp,v 1.6 2011/04/17 16:36:36 edrusb Rel $
//
/*********************************************************************/
/// \file label.hpp
/// \brief define the datastructure "label" used to identify slice membership to an archive
/// \ingroup Private
#ifndef LABEL_HPP
#define LABEL_HPP
#include "/usr/include/dar/libdar_my_config.h"
#include "/usr/include/dar/integers.hpp"
#include "/usr/include/dar/generic_file.hpp"
namespace libdar
{
/// \addtogroup Private
/// @{
class label
{
public:
label(); // builds a label equal to 'zero'
label(const label & ref) { copy_from(ref); };
const label & operator = (const label & ref) { copy_from(ref); return *this; };
bool operator == (const label & ref) const;
bool operator != (const label & ref) const { return ! ((*this) == ref); };
void clear();
bool is_cleared() const;
void generate_internal_filename();
void read(generic_file & f);
void dump(generic_file & f) const;
void invert_first_byte() { val[0] = ~val[0]; };
// avoid using these two calls, only here for backward compatibility
// where the cost to move to object is really too heavy than
// sticking with an char array.
U_I size() const { return LABEL_SIZE; };
char *data() { return (char *)&val; };
const char *data() const { return (char *)&val; };
static U_I common_size() { return LABEL_SIZE; };
private:
static const U_I LABEL_SIZE = 10;
char val[LABEL_SIZE];
void copy_from(const label & ref);
};
extern const label label_zero;
/// @}
} // end of namespace
#endif
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