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Diffstat (limited to 'source/blender/blenkernel/BKE_endian.h')
| -rw-r--r-- | source/blender/blenkernel/BKE_endian.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/source/blender/blenkernel/BKE_endian.h b/source/blender/blenkernel/BKE_endian.h new file mode 100644 index 00000000000..a675ad893c4 --- /dev/null +++ b/source/blender/blenkernel/BKE_endian.h @@ -0,0 +1,46 @@ +/** + * $Id$ + * + * ***** BEGIN GPL/BL DUAL LICENSE BLOCK ***** + * + * 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. The Blender + * Foundation also sells licenses for use in proprietary software under + * the Blender License. See http://www.blender.org/BL/ for information + * about this. + * + * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV. + * All rights reserved. + * + * The Original Code is: all of this file. + * + * Contributor(s): none yet. + * + * ***** END GPL/BL DUAL LICENSE BLOCK ***** + * Are we little or big endian? From Harbison&Steele. + * BKE_ENDIANNESS(a) returns 1 if big endian and returns 0 if little endian + */ +#ifndef BKE_ENDIAN_H +#define BKE_ENDIAN_H + +#define BKE_ENDIANNESS(a) { \ + union { \ + long l; \ + char c[sizeof (long)]; \ + } u; \ + u.l = 1; \ + a = (u.c[sizeof (long) - 1] == 1) ? 1 : 0; \ +} + +#endif |