1 /* Copyright (C) 1997, 1998 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, see 16 <http://www.gnu.org/licenses/>. */ 17 18 /* PowerPC can be little or big endian. Hopefully gcc will know... */ 19 20 #ifndef _ENDIAN_H 21 # error "Never use <bits/endian.h> directly; include <endian.h> instead." 22 #endif 23 24 #if defined __BIG_ENDIAN__ || defined _BIG_ENDIAN 25 # if defined __LITTLE_ENDIAN__ || defined _LITTLE_ENDIAN 26 # error Both BIG_ENDIAN and LITTLE_ENDIAN defined! 27 # endif 28 # define __BYTE_ORDER __BIG_ENDIAN 29 #else 30 # if defined __LITTLE_ENDIAN__ || defined _LITTLE_ENDIAN 31 # define __BYTE_ORDER __LITTLE_ENDIAN 32 # else 33 # warning Cannot determine current byte order, assuming big-endian. 34 # define __BYTE_ORDER __BIG_ENDIAN 35 # endif 36 #endif 37