120ca87015
git-svn-id: https://free-cad.svn.sourceforge.net/svnroot/free-cad/trunk@5000 e8eeb9e2-ec13-0410-a4a9-efa5cf37419d
65 lines
2.4 KiB
C++
65 lines
2.4 KiB
C++
/***************************************************************************
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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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#ifndef BASE_SWAP_H
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#define BASE_SWAP_H
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#define LOW_ENDIAN (unsigned short) 0x4949
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#define HIGH_ENDIAN (unsigned short) 0x4D4D
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namespace Base {
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/**
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* \brief Definition of functions that allow swapping of data types
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* dependent on the architecture.
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*/
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/** Returns machine type (low endian, high endian ) */
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unsigned short SwapOrder (void);
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void SwapVar (char&);
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void SwapVar (unsigned char&);
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void SwapVar (short&);
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void SwapVar (unsigned short&);
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void SwapVar (long&);
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void SwapVar (unsigned long&);
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void SwapVar (float&);
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void SwapVar (double&);
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template <class T>
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void SwapEndian(T& v)
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{
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T tmp = v;
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int i;
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for (i = 0; i < (int)sizeof (T); i++)
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*(((char*) &tmp) + i) = *(((char*) &v) + sizeof (T) - i - 1);
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v = tmp;
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}
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} // namespace Base
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#endif // BASE_SWAP_H
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