51 lines
1.4 KiB
C++
51 lines
1.4 KiB
C++
/*
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* $Id$
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*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL LICENSE BLOCK *****
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* Are we little or big endian? From Harbison&Steele.
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*/
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#ifndef BKE_ENDIAN_H
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#define BKE_ENDIAN_H
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/** \file BKE_endian.h
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* \ingroup bke
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*/
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/**
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* BKE_ENDIANNESS(a) returns 1 if big endian and returns 0 if little endian
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*/
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#define BKE_ENDIANNESS(a) { \
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union { \
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intptr_t l; \
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char c[sizeof (intptr_t)]; \
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} u; \
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u.l = 1; \
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a = (u.c[sizeof (intptr_t) - 1] == 1) ? 1 : 0; \
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}
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#endif
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