zfs-builds-mm/zfs-0.8.4/include/sys/uuid.h

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2020-07-19 16:21:53 +02:00
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_UUID_H
#define _SYS_UUID_H
#ifdef __cplusplus
extern "C" {
#endif
/*
* The copyright in this file is taken from the original Leach
* & Salz UUID specification, from which this implementation
* is derived.
*/
/*
* Copyright (c) 1990- 1993, 1996 Open Software Foundation, Inc.
* Copyright (c) 1989 by Hewlett-Packard Company, Palo Alto, Ca. &
* Digital Equipment Corporation, Maynard, Mass. Copyright (c) 1998
* Microsoft. To anyone who acknowledges that this file is provided
* "AS IS" without any express or implied warranty: permission to use,
* copy, modify, and distribute this file for any purpose is hereby
* granted without fee, provided that the above copyright notices and
* this notice appears in all source code copies, and that none of the
* names of Open Software Foundation, Inc., Hewlett-Packard Company,
* or Digital Equipment Corporation be used in advertising or
* publicity pertaining to distribution of the software without
* specific, written prior permission. Neither Open Software
* Foundation, Inc., Hewlett-Packard Company, Microsoft, nor Digital
* Equipment Corporation makes any representations about the
* suitability of this software for any purpose.
*/
#include <sys/types.h>
#include <sys/byteorder.h>
typedef struct {
uint8_t nodeID[6];
} uuid_node_t;
/*
* The uuid type used throughout when referencing uuids themselves
*/
struct uuid {
uint32_t time_low;
uint16_t time_mid;
uint16_t time_hi_and_version;
uint8_t clock_seq_hi_and_reserved;
uint8_t clock_seq_low;
uint8_t node_addr[6];
};
#define UUID_PRINTABLE_STRING_LENGTH 37
/*
* Convert a uuid to/from little-endian format
*/
#define UUID_LE_CONVERT(dest, src) \
{ \
(dest) = (src); \
(dest).time_low = LE_32((dest).time_low); \
(dest).time_mid = LE_16((dest).time_mid); \
(dest).time_hi_and_version = LE_16((dest).time_hi_and_version); \
}
#ifdef __cplusplus
}
#endif
#endif /* _SYS_UUID_H */