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/**
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* Navit, a modular navigation system.
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* Copyright (C) 2005-2008 Navit Team
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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 Library General Public License
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* version 2 as published by the Free Software Foundation.
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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 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 program; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __ENDIANESS_HANDLER__
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/* The following is based on xorg/xserver/GL/glx/glxbyteorder.h
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* which is (c) IBM Corp. 2006,2007 and originally licensed under the following
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* BSD-license. All modifications in navit are licensed under the GNU GPL as
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* described in file "COPYRIGHT".
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*
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* Portions also from GNU C Library include/bits/byteswap.h Also licsend
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* under the GPL.
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*
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* --------------------------
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sub license,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS, THE AUTHORS, AND/OR THEIR SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
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* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#if HAVE_BYTESWAP_H
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/* machine dependent versions of byte swapping functions. GNU extension.*/
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#include <byteswap.h>
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#elif defined(USE_SYS_ENDIAN_H)
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#include <sys/endian.h>
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#elif defined(__APPLE__)
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#include <libkern/OSByteOrder.h>
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#define __bswap_16 OSSwapInt16
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#define __bswap_32 OSSwapInt32
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#define __bswap_64 OSSwapInt64
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#ifndef __BYTE_ORDER
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#define __LITTLE_ENDIAN 1234
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#define __BIG_ENDIAN 4321
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#if defined(__LITTLE_ENDIAN__)
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#define __BYTE_ORDER __LITTLE_ENDIAN
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#elif defined(__BIG_ENDIAN__)
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#define __BYTE_ORDER __BIG_ENDIAN
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#else
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#error "No endianness defined for Mac OS!"
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#endif
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#endif
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#elif defined(_WIN32) || defined(__CEGCC__)
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#define __BIG_ENDIAN 4321
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#define __LITTLE_ENDIAN 1234
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#define __BYTE_ORDER __LITTLE_ENDIAN
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#else
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#define __bswap_16(__bsx) ((((__bsx) >> 8) & 0xff) | (((__bsx) & 0xff) << 8))
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#define __bswap_32(__bsx) ((((__bsx) & 0xff000000) >> 24) | \
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(((__bsx) & 0x00ff0000) >> 8) |\
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(((__bsx) & 0x0000ff00) << 8) | \
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(((__bsx) & 0x000000ff) << 24))
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#endif
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#if __BYTE_ORDER == __BIG_ENDIAN
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#define le16_to_cpu(x) __bswap_16 (x)
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#define le32_to_cpu(x) __bswap_32 (x)
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#define le64_to_cpu(x) __bswap_64 (x)
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#define cpu_to_le16(x) __bswap_16 (x)
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#define cpu_to_le32(x) __bswap_32 (x)
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#define cpu_to_le64(x) __bswap_64 (x)
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#elif __BYTE_ORDER == __LITTLE_ENDIAN
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#define le16_to_cpu(x) (x)
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#define le32_to_cpu(x) (x)
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#define cpu_to_le16(x) (x)
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#define cpu_to_le32(x) (x)
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#else
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#error "Unknown endianess"
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#endif
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#define __ENDIANESS_HANDLER__
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#endif
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