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  * Copyright (c) 2002 Marcel Moolenaar
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  *
    9  * 1. Redistributions of source code must retain the above copyright
   10  *    notice, this list of conditions and the following disclaimer.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in the
   13  *    documentation and/or other materials provided with the distribution.
   14  *
   15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   25  *
   26  * $FreeBSD: releng/9.1/sys/sys/uuid.h 151059 2005-10-07 13:37:10Z marcel $
   27  */
   28 
   29 #ifndef _SYS_UUID_H_
   30 #define _SYS_UUID_H_
   31 
   32 #include <sys/cdefs.h>
   33 
   34 /* Length of a node address (an IEEE 802 address). */
   35 #define _UUID_NODE_LEN          6
   36 
   37 /*
   38  * See also:
   39  *      http://www.opengroup.org/dce/info/draft-leach-uuids-guids-01.txt
   40  *      http://www.opengroup.org/onlinepubs/009629399/apdxa.htm
   41  *
   42  * A DCE 1.1 compatible source representation of UUIDs.
   43  */
   44 struct uuid {
   45         uint32_t        time_low;
   46         uint16_t        time_mid;
   47         uint16_t        time_hi_and_version;
   48         uint8_t         clock_seq_hi_and_reserved;
   49         uint8_t         clock_seq_low;
   50         uint8_t         node[_UUID_NODE_LEN];
   51 };
   52 
   53 #ifdef _KERNEL
   54 
   55 #define UUID_NODE_LEN   _UUID_NODE_LEN
   56 
   57 struct sbuf;
   58 
   59 struct uuid *kern_uuidgen(struct uuid *, size_t);
   60 
   61 int snprintf_uuid(char *, size_t, struct uuid *);
   62 int printf_uuid(struct uuid *);
   63 int sbuf_printf_uuid(struct sbuf *, struct uuid *);
   64 int parse_uuid(const char *, struct uuid *);
   65 
   66 void be_uuid_dec(void const *buf, struct uuid *uuid);
   67 void be_uuid_enc(void *buf, struct uuid const *uuid);
   68 void le_uuid_dec(void const *buf, struct uuid *uuid);
   69 void le_uuid_enc(void *buf, struct uuid const *uuid);
   70 
   71 #else   /* _KERNEL */
   72 
   73 /* XXX namespace pollution? */
   74 typedef struct uuid uuid_t;
   75 
   76 __BEGIN_DECLS
   77 int     uuidgen(struct uuid *, int);
   78 __END_DECLS
   79 
   80 #endif  /* _KERNEL */
   81 
   82 #endif /* _SYS_UUID_H_ */

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