FreeCAD

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/***************************************************************************
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 *   Copyright (c) 2005 Imetric 3D GmbH                                    *
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 *                                                                         *
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 *   This file is part of the FreeCAD CAx development system.              *
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 *                                                                         *
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 *   This library is free software; you can redistribute it and/or         *
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 *   modify it under the terms of the GNU Library General Public           *
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 *   License as published by the Free Software Foundation; either          *
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 *   version 2 of the License, or (at your option) any later version.      *
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 *                                                                         *
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 *   This library  is distributed in the hope that it will be useful,      *
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 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
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 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
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 *   GNU Library General Public License for more details.                  *
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 *                                                                         *
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 *   You should have received a copy of the GNU Library General Public     *
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 *   License along with this library; see the file COPYING.LIB. If not,    *
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 *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
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 *   Suite 330, Boston, MA  02111-1307, USA                                *
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 *                                                                         *
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 ***************************************************************************/
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#include "PreCompiled.h"
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#include "Swap.h"
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unsigned short Base::SwapOrder()
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{
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    unsigned short usDummy = 1;
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    return *((char*)&usDummy) == 1 ? LOW_ENDIAN : HIGH_ENDIAN;
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}
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void Base::SwapVar(char& /*unused*/)
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{}
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void Base::SwapVar(unsigned char& /*unused*/)
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{}
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void Base::SwapVar(short& s)
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{
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    short sTmp = s;
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    int i = 0;
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    for (i = 0; i < (int)sizeof(short); i++) {
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        *(((char*)&sTmp) + i) = *(((char*)&s) + sizeof(short) - i - 1);
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    }
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    s = sTmp;
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}
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void Base::SwapVar(unsigned short& s)
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{
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    short sTmp = s;
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    int i = 0;
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    for (i = 0; i < (int)sizeof(short); i++) {
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        *(((char*)&sTmp) + i) = *(((char*)&s) + sizeof(short) - i - 1);
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    }
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    s = sTmp;
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}
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void Base::SwapVar(long& l)
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{
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    long lTmp = l;
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    int i = 0;
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    for (i = 0; i < (int)sizeof(long); i++) {
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        *(((char*)&lTmp) + i) = *(((char*)&l) + sizeof(long) - i - 1);
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    }
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    l = lTmp;
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}
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void Base::SwapVar(unsigned long& l)
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{
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    long lTmp = l;
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    int i = 0;
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    for (i = 0; i < (int)sizeof(long); i++) {
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        *(((char*)&lTmp) + i) = *(((char*)&l) + sizeof(long) - i - 1);
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    }
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    l = lTmp;
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}
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void Base::SwapVar(float& f)
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{
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    float fTmp = f;
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    int i = 0;
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    for (i = 0; i < (int)sizeof(float); i++) {
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        *(((char*)&fTmp) + i) = *(((char*)&f) + sizeof(float) - i - 1);
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    }
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    f = fTmp;
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}
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void Base::SwapVar(double& d)
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{
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    double dTmp = d;
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    int i = 0;
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    for (i = 0; i < (int)sizeof(double); i++) {
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        *(((char*)&dTmp) + i) = *(((char*)&d) + sizeof(double) - i - 1);
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    }
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    d = dTmp;
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}
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