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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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.
*
*/
#include "glk/alan3/compatibility.h"
namespace Glk {
namespace Alan3 {
/*----------------------------------------------------------------------*/
static bool is3_0Alpha(const byte version[]) {
return version[3] == 3 && version[2] == 0 && version[0] == 'a';
}
/*----------------------------------------------------------------------*/
static bool is3_0Beta(const byte version[]) {
return version[3] == 3 && version[2] == 0 && version[0] == 'b';
}
/*----------------------------------------------------------------------*/
static int correction(const byte version[]) {
return version[1];
}
/*======================================================================*/
bool isPreAlpha5(const byte version[4]) {
return is3_0Alpha(version) && correction(version) < 5;
}
/*======================================================================*/
bool isPreBeta2(const byte version[4]) {
return is3_0Alpha(version) || (is3_0Beta(version) && correction(version) == 1);
}
/*======================================================================*/
bool isPreBeta3(const byte version[4]) {
return is3_0Alpha(version) || (is3_0Beta(version) && correction(version) <= 2);
}
/*======================================================================*/
bool isPreBeta4(const byte version[4]) {
return is3_0Alpha(version) || (is3_0Beta(version) && correction(version) <= 3);
}
/*======================================================================*/
bool isPreBeta5(const byte version[4]) {
return is3_0Alpha(version) || (is3_0Beta(version) && correction(version) <= 4);
}
} // End of namespace Alan3
} // End of namespace Glk
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