| /* |
| * 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 http://www.opensolaris.org/os/licensing. |
| * 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> |
| |
| /* |
| * 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)) |
| |
| #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_ */ |
