The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/sys/uuid.h

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright (c) 2002 Marcel Moolenaar
    5  * All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  *
   11  * 1. Redistributions of source code must retain the above copyright
   12  *    notice, this list of conditions and the following disclaimer.
   13  * 2. Redistributions in binary form must reproduce the above copyright
   14  *    notice, this list of conditions and the following disclaimer in the
   15  *    documentation and/or other materials provided with the distribution.
   16  *
   17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   27  *
   28  * $FreeBSD: head/sys/sys/uuid.h 326256 2017-11-27 15:01:59Z pfg $
   29  */
   30 
   31 #ifndef _SYS_UUID_H_
   32 #define _SYS_UUID_H_
   33 
   34 #include <sys/cdefs.h>
   35 
   36 /* Length of a node address (an IEEE 802 address). */
   37 #define _UUID_NODE_LEN          6
   38 
   39 /*
   40  * See also:
   41  *      http://www.opengroup.org/dce/info/draft-leach-uuids-guids-01.txt
   42  *      http://www.opengroup.org/onlinepubs/009629399/apdxa.htm
   43  *
   44  * A DCE 1.1 compatible source representation of UUIDs.
   45  */
   46 struct uuid {
   47         uint32_t        time_low;
   48         uint16_t        time_mid;
   49         uint16_t        time_hi_and_version;
   50         uint8_t         clock_seq_hi_and_reserved;
   51         uint8_t         clock_seq_low;
   52         uint8_t         node[_UUID_NODE_LEN];
   53 };
   54 
   55 #ifdef _KERNEL
   56 
   57 #define UUID_NODE_LEN   _UUID_NODE_LEN
   58 
   59 struct sbuf;
   60 
   61 struct uuid *kern_uuidgen(struct uuid *, size_t);
   62 
   63 int uuid_ether_add(const uint8_t *);
   64 int uuid_ether_del(const uint8_t *);
   65 
   66 int snprintf_uuid(char *, size_t, struct uuid *);
   67 int printf_uuid(struct uuid *);
   68 int sbuf_printf_uuid(struct sbuf *, struct uuid *);
   69 int parse_uuid(const char *, struct uuid *);
   70 int uuidcmp(const struct uuid *, const struct uuid *);
   71 
   72 void be_uuid_dec(void const *buf, struct uuid *uuid);
   73 void be_uuid_enc(void *buf, struct uuid const *uuid);
   74 void le_uuid_dec(void const *buf, struct uuid *uuid);
   75 void le_uuid_enc(void *buf, struct uuid const *uuid);
   76 
   77 #else   /* _KERNEL */
   78 
   79 /* XXX namespace pollution? */
   80 typedef struct uuid uuid_t;
   81 
   82 __BEGIN_DECLS
   83 int     uuidgen(struct uuid *, int);
   84 __END_DECLS
   85 
   86 #endif  /* _KERNEL */
   87 
   88 #endif /* _SYS_UUID_H_ */

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