124 lines
3.3 KiB
C
124 lines
3.3 KiB
C
/*
|
|
* CDDL HEADER START
|
|
*
|
|
* The contents of this file are subject to the terms of the
|
|
* Common Development and Distribution License (the "License").
|
|
* You may not use this file except in compliance with the License.
|
|
*
|
|
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
|
|
* or https://opensource.org/licenses/CDDL-1.0.
|
|
* See the License for the specific language governing permissions
|
|
* and limitations under the License.
|
|
*
|
|
* When distributing Covered Code, include this CDDL HEADER in each
|
|
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
|
|
* If applicable, add the following below this CDDL HEADER, with the
|
|
* fields enclosed by brackets "[]" replaced with your own identifying
|
|
* information: Portions Copyright [yyyy] [name of copyright owner]
|
|
*
|
|
* CDDL HEADER END
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
/*
|
|
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
|
|
* Use is subject to license terms.
|
|
*/
|
|
|
|
/* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
|
|
/* All Rights Reserved */
|
|
|
|
/*
|
|
* University Copyright- Copyright (c) 1982, 1986, 1988
|
|
* The Regents of the University of California
|
|
* All Rights Reserved
|
|
*
|
|
* University Acknowledgment- Portions of this document are derived from
|
|
* software developed by the University of California, Berkeley, and its
|
|
* contributors.
|
|
*/
|
|
|
|
#ifndef _OPENSOLARIS_SYS_BYTEORDER_H_
|
|
#define _OPENSOLARIS_SYS_BYTEORDER_H_
|
|
|
|
#include <sys/endian.h>
|
|
|
|
#ifdef __COVERITY__
|
|
/*
|
|
* Coverity's taint warnings from byteswapping are false positives for us.
|
|
* Suppress them by hiding byteswapping from Coverity.
|
|
*/
|
|
#define BSWAP_8(x) ((x) & 0xff)
|
|
#define BSWAP_16(x) ((x) & 0xffff)
|
|
#define BSWAP_32(x) ((x) & 0xffffffff)
|
|
#define BSWAP_64(x) (x)
|
|
|
|
#else /* __COVERITY__ */
|
|
|
|
/*
|
|
* Macros to reverse byte order
|
|
*/
|
|
#define BSWAP_8(x) ((x) & 0xff)
|
|
#define BSWAP_16(x) ((BSWAP_8(x) << 8) | BSWAP_8((x) >> 8))
|
|
#define BSWAP_32(x) ((BSWAP_16(x) << 16) | BSWAP_16((x) >> 16))
|
|
#define BSWAP_64(x) ((BSWAP_32(x) << 32) | BSWAP_32((x) >> 32))
|
|
|
|
#endif /* __COVERITY__ */
|
|
|
|
#define BMASK_8(x) ((x) & 0xff)
|
|
#define BMASK_16(x) ((x) & 0xffff)
|
|
#define BMASK_32(x) ((x) & 0xffffffff)
|
|
#define BMASK_64(x) (x)
|
|
|
|
/*
|
|
* Macros to convert from a specific byte order to/from native byte order
|
|
*/
|
|
#if BYTE_ORDER == _BIG_ENDIAN
|
|
#define BE_8(x) BMASK_8(x)
|
|
#define BE_16(x) BMASK_16(x)
|
|
#define BE_32(x) BMASK_32(x)
|
|
#define BE_64(x) BMASK_64(x)
|
|
#define LE_8(x) BSWAP_8(x)
|
|
#define LE_16(x) BSWAP_16(x)
|
|
#define LE_32(x) BSWAP_32(x)
|
|
#define LE_64(x) BSWAP_64(x)
|
|
#else
|
|
#define LE_8(x) BMASK_8(x)
|
|
#define LE_16(x) BMASK_16(x)
|
|
#define LE_32(x) BMASK_32(x)
|
|
#define LE_64(x) BMASK_64(x)
|
|
#define BE_8(x) BSWAP_8(x)
|
|
#define BE_16(x) BSWAP_16(x)
|
|
#define BE_32(x) BSWAP_32(x)
|
|
#define BE_64(x) BSWAP_64(x)
|
|
#endif
|
|
|
|
#if !defined(_STANDALONE)
|
|
#if BYTE_ORDER == _BIG_ENDIAN
|
|
#define htonll(x) BMASK_64(x)
|
|
#define ntohll(x) BMASK_64(x)
|
|
#else /* BYTE_ORDER == _LITTLE_ENDIAN */
|
|
#ifndef __LP64__
|
|
static __inline__ uint64_t
|
|
htonll(uint64_t n)
|
|
{
|
|
return ((((uint64_t)htonl(n)) << 32) + htonl(n >> 32));
|
|
}
|
|
|
|
static __inline__ uint64_t
|
|
ntohll(uint64_t n)
|
|
{
|
|
return ((((uint64_t)ntohl(n)) << 32) + ntohl(n >> 32));
|
|
}
|
|
#else /* !__LP64__ */
|
|
#define htonll(x) BSWAP_64(x)
|
|
#define ntohll(x) BSWAP_64(x)
|
|
#endif /* __LP64__ */
|
|
#endif /* BYTE_ORDER */
|
|
#endif /* _STANDALONE */
|
|
|
|
#define BE_IN32(xa) htonl(*((uint32_t *)(void *)(xa)))
|
|
|
|
#endif /* _OPENSOLARIS_SYS_BYTEORDER_H_ */
|