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/* Groundhog -- a simple logic game
* Copyright (C) 1998 Maurits Rijk
*
* 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.
*/
#include <errno.h> // FIXME can be removed after debugging info is removed
#include <string.h> // FIXME can be removed after debugging info is removed
#include <fstream.h>
#include <lockfile.h>
#include <stdio.h>
#include "game.h"
#include "highscore.h"
void
HighScore::Read()
{
ifstream in(highscore_file);
in >> _beginner >> _intermediate >> _expert;
}
void
HighScore::Write()
{
Game::GainPrivileges();
ofstream out(highscore_file);
Game::DropPrivileges();
if (!out)
cerr << "opening high score file for writing failed: "
<< strerror(errno) << endl;
out << _beginner << endl
<< _intermediate << endl
<< _expert << endl;
}
void
HighScore::Lock()
{
Game::GainPrivileges();
int result = lockfile_create(lock_file, 2, 0);
Game::DropPrivileges();
if (result) {
cerr << "creating lock file failed: ";
switch (result) {
case L_NAMELEN: cerr << "Name too long";
break;
case L_TMPLOCK: cerr << "Error creating temporary lockfile";
break;
case L_TMPWRITE: cerr << "Can't write pid into temporary lockfile";
break;
case L_MAXTRYS: cerr << "Failed after max. number of attempts";
break;
default: cerr << strerror(errno);
break;
}
cerr << endl;
}
}
void
HighScore::Unlock()
{
Game::GainPrivileges();
if (lockfile_remove(lock_file))
cerr << "removing lock file failed: " << strerror(errno) << endl;
Game::DropPrivileges();
}
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