gems-kernel/source/THIRDPARTY/xnu/bsd/sys/_endian.h
2024-06-03 11:29:39 -05:00

165 lines
6.9 KiB
C

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