get_version.hpp

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/*********************************************************************/
// dar - disk archive - a backup/restoration program
// Copyright (C) 2002-2024 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// to contact the author, see the AUTHOR file
/*********************************************************************/
 
 
 
 
#ifndef GET_VERSION_HPP
#define GET_VERSION_HPP
 
#include "../my_config.h"
 
extern "C"
{
#if MUTEX_WORKS
#if HAVE_PTHREAD_H
#include <pthread.h>
#endif
#endif
}
 
#include <string>
#include "integers.hpp"
 
 
namespace libdar
{
 
 
    constexpr U_I LIBDAR_COMPILE_TIME_MAJOR = 6;
    constexpr U_I LIBDAR_COMPILE_TIME_MEDIUM = 8;
    constexpr U_I LIBDAR_COMPILE_TIME_MINOR = 0;
 
    // LIBDAR INITIALIZATION METHODS                                      //
    //                                                                    //
    //      A FUNCTION OF THE get_version*() FAMILY *MUST* BE CALLED      //
    //            BEFORE ANY OTHER FUNCTION OF THIS LIBRARY               //
    //                                                                    //
    // CLIENT PROGRAM MUST CHECK THAT THE MAJOR NUMBER RETURNED           //
    // BY THIS CALL IS NOT GREATER THAN THE VERSION USED AT COMPILATION   //
        // TIME. IF SO, THE PROGRAM MUST ABORT AND RETURN A WARNING TO THE    //
    // USER TELLING THE DYNAMICALLY LINKED VERSION IS TOO RECENT AND NOT  //
    // COMPATIBLE WITH THIS SOFTWARE. THE MESSAGE MUST INVITE THE USER    //
    // TO UPGRADE HIS SOFTWARE WITH A MORE RECENT VERSION COMPATIBLE WITH //
    // THIS LIBDAR RELEASE.                                               //
 
 
    extern void get_version(U_I & major, U_I & medium, U_I & minor, bool init_libgcrypt = true);
 
 
 
    extern void get_version(U_I & major, U_I & medium, U_I & minor, bool init_libgcrypt, bool init_gpgme);
 
    extern void get_version(bool init_libgcrypt = true);
 
    // CLOSING/CLEANING LIBDAR                   //
 
    // while libdar has only a single boolean as global variable
    // that defines whether the library is initialized or not
    // it must proceed to mutex, and dependent libraries initializations
    // (liblzo, libgcrypt, etc.), which is done during the get_version() call
    // Some library also need to clear some data so the following call
    // is provided in that aim and must be called when libdar will no more
    // be used by the application.
 
    extern void close_and_clean();
 
    // THREAD CANCELLATION ROUTINES              //
 
#if MUTEX_WORKS
 
    extern void cancel_thread(pthread_t tid, bool immediate = true, U_64 flag = 0);
 
 
    extern bool cancel_status(pthread_t tid);
 
 
    extern bool cancel_clear(pthread_t tid);
 
    extern U_I get_thread_count();
#endif
 
 
 
} // end of namespace
 
#endif