sys/sys/uuid.h

   1 /*      $NetBSD: uuid.h,v 1.4 2007/07/09 21:11:34 ad Exp $      */
   2
   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: /repoman/r/ncvs/src/sys/sys/uuid.h,v 1.3 2003/05/31 16:47:07 phk Exp $
  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 /* Length of a printed UUID. */
  40 #define _UUID_STR_LEN           38
  41
  42 /*
  43  * See also:
  44  *      http://www.opengroup.org/dce/info/draft-leach-uuids-guids-01.txt
  45  *      http://www.opengroup.org/onlinepubs/009629399/apdxa.htm
  46  *
  47  * A DCE 1.1 compatible source representation of UUIDs.
  48  */
  49 struct uuid {
  50         uint32_t        time_low;
  51         uint16_t        time_mid;
  52         uint16_t        time_hi_and_version;
  53         uint8_t         clock_seq_hi_and_reserved;
  54         uint8_t         clock_seq_low;
  55         uint8_t         node[_UUID_NODE_LEN];
  56 };
  57
  58 #ifdef _KERNEL
  59
  60 #define UUID_NODE_LEN   _UUID_NODE_LEN
  61 #define UUID_STR_LEN    _UUID_STR_LEN
  62
  63 int     uuid_snprintf(char *, size_t, const struct uuid *);
  64 int     uuid_printf(const struct uuid *);
  65 void    uuid_dec_be(const void *, struct uuid *);
  66 void    uuid_dec_le(const void *, struct uuid *);
  67 void    uuid_enc_be(void *, const struct uuid *);
  68 void    uuid_enc_le(void *, const struct uuid *);
  69 void    uuid_init(void);
  70 int     uuidgen(struct uuid *, int);
  71
  72 #else   /* _KERNEL */
  73
  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_ */