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94 lines
2.6 KiB
C
94 lines
2.6 KiB
C
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/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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* $FreeBSD$
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*/
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/*
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* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
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* Use is subject to license terms.
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*/
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/* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
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/* All Rights Reserved */
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/*
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* University Copyright- Copyright (c) 1982, 1986, 1988
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* The Regents of the University of California
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* All Rights Reserved
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*
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* University Acknowledgment- Portions of this document are derived from
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* software developed by the University of California, Berkeley, and its
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* contributors.
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*/
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#ifndef _OPENSOLARIS_SYS_BYTEORDER_H_
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#define _OPENSOLARIS_SYS_BYTEORDER_H_
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#include <sys/endian.h>
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/*
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* Macros to reverse byte order
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*/
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#define BSWAP_8(x) ((x) & 0xff)
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#define BSWAP_16(x) ((BSWAP_8(x) << 8) | BSWAP_8((x) >> 8))
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#define BSWAP_32(x) ((BSWAP_16(x) << 16) | BSWAP_16((x) >> 16))
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#define BSWAP_64(x) ((BSWAP_32(x) << 32) | BSWAP_32((x) >> 32))
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#define BMASK_8(x) ((x) & 0xff)
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#define BMASK_16(x) ((x) & 0xffff)
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#define BMASK_32(x) ((x) & 0xffffffff)
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#define BMASK_64(x) (x)
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/*
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* Macros to convert from a specific byte order to/from native byte order
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*/
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#if BYTE_ORDER == BIG_ENDIAN
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#define BE_8(x) BMASK_8(x)
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#define BE_16(x) BMASK_16(x)
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#define BE_32(x) BMASK_32(x)
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#define BE_64(x) BMASK_64(x)
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#define LE_8(x) BSWAP_8(x)
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#define LE_16(x) BSWAP_16(x)
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#define LE_32(x) BSWAP_32(x)
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#define LE_64(x) BSWAP_64(x)
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#else
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#define LE_8(x) BMASK_8(x)
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#define LE_16(x) BMASK_16(x)
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#define LE_32(x) BMASK_32(x)
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#define LE_64(x) BMASK_64(x)
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#define BE_8(x) BSWAP_8(x)
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#define BE_16(x) BSWAP_16(x)
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#define BE_32(x) BSWAP_32(x)
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#define BE_64(x) BSWAP_64(x)
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#endif
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#if BYTE_ORDER == BIG_ENDIAN
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#define htonll(x) BMASK_64(x)
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#define ntohll(x) BMASK_64(x)
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#else
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#define htonll(x) BSWAP_64(x)
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#define ntohll(x) BSWAP_64(x)
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#endif
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#define BE_IN32(xa) htonl(*((uint32_t *)(void *)(xa)))
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#endif /* _OPENSOLARIS_SYS_BYTEORDER_H_ */
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