/usr/include/dar/compile_time_features.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: compile_time_features.hpp,v 1.1 2011/01/16 11:35:51 edrusb Rel $
//
/*********************************************************************/
//
/// \file compile_time_features.hpp
/// \brief nested namespace containing routines that give features activated at compile time
/// \ingroup API
#ifndef COMPILE_TIME_FEATURES_HPP
#define COMPILE_TIME_FEATURES_HPP
#include "/usr/include/dar/libdar_my_config.h"
/// \addtogroup API
/// @{
namespace libdar
{
/// nested namespace inside libdar
/// it contains one routine per feature that can be activated or disabled at compile time
/// this is to replace the "libdar::get_compile_time_feature" function
/// that cannot be updates without breaking backward compatibility
namespace compile_time
{
/// returns whether EA support has been activated at compilation time
bool ea();
/// returns whether largefile (>2GiB) support has been activated at compilation time
bool largefile();
/// returns whether nodump flag support has been activated at compilation time
bool nodump();
/// returns whether special allocation support has been activated at compilation time
///
/// special allocation support brings from a tiny to an important improvement in
/// execution time, depending on the number of small files involved in the operation
bool special_alloc();
/// returns the internal integer type used
/// \note zero is returned if infinint type is used
U_I bits();
/// returns whether the current libdar is thread safe
bool thread_safe();
/// returns whether libdar is dependent on libz and if so has gzip compression/decompression available
bool libz();
/// returns whether libdar is dependent on libbz2 and if so has bzip2 compression/decompression available
bool libbz2();
/// returns whether libdar is dependent on liblzo and if so has lzo compression/decompression available
bool liblzo();
/// returns whether libdar is dependent on libgcrypt and if so has strong encryption and hashing features available
bool libgcrypt();
/// returns whether libdar can support furtive read mode when run by privileged user
bool furtive_read();
/// type used to return the endian nature of the current system
enum endian
{
big = 'B', //< big endian
little = 'L', //< little endian
error = 'E' //< neither big nor little endian! (libdar cannot run on such system)
};
/// returns the detected integer endian of the system
endian system_endian();
}
} // end of namespace
/// @}
#endif
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