mirror of https://github.com/CGAL/cgal
47 lines
1.7 KiB
C
47 lines
1.7 KiB
C
// Copyright (c) 1997 Utrecht University (The Netherlands),
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// ETH Zurich (Switzerland), Freie Universitaet Berlin (Germany),
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// INRIA Sophia-Antipolis (France), Martin-Luther-University Halle-Wittenberg
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// (Germany), Max-Planck-Institute Saarbruecken (Germany), RISC Linz (Austria),
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// and Tel-Aviv University (Israel). All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; version 2.1 of the License.
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// See the file LICENSE.LGPL distributed with CGAL.
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//
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// Licensees holding a valid commercial license may use this file in
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// accordance with the commercial license agreement provided with the software.
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//
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// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// $Source$
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// $Revision$ $Date$
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// $Name$
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//
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// Author(s) : various
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// CGAL_CFG_NO_BIG_ENDIAN.C
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// ---------------------------------------------------------------------
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// A short test program to evaluate a machine architecture.
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// This program is used by cgal_configure.
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// The following documentation will be pasted in the generated configfile.
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// ---------------------------------------------------------------------
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//| The byte order of a machine architecture distinguishes into
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//| big-endian and little-endian machines.
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//| The following definition is set if it is a little-endian machine.
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union T {
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int testWord;
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char testByte[sizeof(int)];
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} endianTest;
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int main()
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{
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endianTest.testWord = 1;
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if (endianTest.testByte[0] == 1)
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return 1; // little-endian
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return 0; // big-endian
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}
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