165 lines
6.9 KiB
C
165 lines
6.9 KiB
C
/*
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* Copyright (c) 2004, 2006 Apple Computer, Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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/*
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* Copyright (c) 1995 NeXT Computer, Inc. All rights reserved.
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* Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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/*
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* Copyright (c) 1987, 1991, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _SYS__ENDIAN_H_
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#define _SYS__ENDIAN_H_
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#include <sys/cdefs.h>
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#include <machine/endian.h>
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/*
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* Macros for network/external number representation conversion.
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*/
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#if defined(lint)
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__BEGIN_DECLS
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__uint16_t ntohs(__uint16_t);
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__uint16_t htons(__uint16_t);
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__uint32_t ntohl(__uint32_t);
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__uint32_t htonl(__uint32_t);
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__END_DECLS
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#elif __DARWIN_BYTE_ORDER == __DARWIN_BIG_ENDIAN
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#define ntohl(x) ((__uint32_t)(x))
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#define ntohs(x) ((__uint16_t)(x))
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#define htonl(x) ((__uint32_t)(x))
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#define htons(x) ((__uint16_t)(x))
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#if defined(KERNEL) || (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))
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#define ntohll(x) ((__uint64_t)(x))
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#define htonll(x) ((__uint64_t)(x))
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#define NTOHL(x) (x)
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#define NTOHS(x) (x)
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#define NTOHLL(x) (x)
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#define HTONL(x) (x)
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#define HTONS(x) (x)
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#define HTONLL(x) (x)
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#endif /* defined(KERNEL) || (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)) */
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#else /* __DARWIN_BYTE_ORDER == __DARWIN_LITTLE_ENDIAN */
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#ifndef DRIVERKIT
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#include <libkern/_OSByteOrder.h>
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#define ntohs(x) __DARWIN_OSSwapInt16(x)
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#define htons(x) __DARWIN_OSSwapInt16(x)
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#define ntohl(x) __DARWIN_OSSwapInt32(x)
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#define htonl(x) __DARWIN_OSSwapInt32(x)
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#else /* DRIVERKIT */
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#define ntohs(x) ((__uint16_t)__builtin_bswap16((__uint16_t)(x)))
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#define htons(x) ((__uint16_t)__builtin_bswap16((__uint16_t)(x)))
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#define ntohl(x) ((__uint32_t)__builtin_bswap32((__uint32_t)(x)))
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#define htonl(x) ((__uint32_t)__builtin_bswap32((__uint32_t)(x)))
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#endif /* DRIVERKIT */
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#if defined(KERNEL) || (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))
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#ifndef DRIVERKIT
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#define ntohll(x) __DARWIN_OSSwapInt64(x)
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#define htonll(x) __DARWIN_OSSwapInt64(x)
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#else /* DRIVERKIT */
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#define ntohll(x) ((__uint64_t)__builtin_bswap64((__uint64_t)(x)))
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#define htonll(x) ((__uint64_t)__builtin_bswap64((__uint64_t)(x)))
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#endif /* DRIVERKIT */
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#define NTOHL(x) (x) = ntohl((__uint32_t)x)
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#define NTOHS(x) (x) = ntohs((__uint16_t)x)
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#define NTOHLL(x) (x) = ntohll((__uint64_t)x)
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#define HTONL(x) (x) = htonl((__uint32_t)x)
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#define HTONS(x) (x) = htons((__uint16_t)x)
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#define HTONLL(x) (x) = htonll((__uint64_t)x)
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#endif /* defined(KERNEL) || (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)) */
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#endif /* __DARWIN_BYTE_ORDER */
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#endif /* !_SYS__ENDIAN_H_ */
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