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73 lines
1.7 KiB
C
73 lines
1.7 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 1999 - 2005, Digium, Inc.
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*
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* Mark Spencer <markster@digium.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*! \file
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* \brief Asterisk architecture endianess compatibility definitions
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*/
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#ifndef _ASTERISK_ENDIAN_H
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#define _ASTERISK_ENDIAN_H
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/*
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* Autodetect system endianess
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*/
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#ifndef __BYTE_ORDER
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#ifdef __linux__
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#include <endian.h>
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#elif defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__DragonFly__) || defined(__NetBSD__) || defined(__APPLE__)
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#if defined(__OpenBSD__)
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#include "asterisk/compat.h"
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#endif
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#include <machine/endian.h>
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#define __BYTE_ORDER BYTE_ORDER
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#define __LITTLE_ENDIAN LITTLE_ENDIAN
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#define __BIG_ENDIAN BIG_ENDIAN
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#else
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#ifndef __LITTLE_ENDIAN
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#define __LITTLE_ENDIAN 1234
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#endif
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#ifndef __BIG_ENDIAN
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#define __BIG_ENDIAN 4321
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#endif
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#ifdef __LITTLE_ENDIAN__
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#define __BYTE_ORDER __LITTLE_ENDIAN
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#endif /* __LITTLE_ENDIAN */
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#if defined(i386) || defined(__i386__)
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#define __BYTE_ORDER __LITTLE_ENDIAN
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#endif /* defined i386 */
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#if defined(sun) && defined(unix) && defined(sparc)
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#define __BYTE_ORDER __BIG_ENDIAN
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#endif /* sun unix sparc */
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#endif /* linux */
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#endif /* __BYTE_ORDER */
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#ifndef __BYTE_ORDER
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#error Need to know endianess
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#endif /* __BYTE_ORDER */
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#endif /* _ASTERISK_ENDIAN_H */
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