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: src/sys/sys/uuid.h,v 1.6 2005/10/07 13:37:10 marcel Exp $ 27 * $DragonFly: src/sys/sys/uuid.h,v 1.5 2007/10/09 17:19:09 dillon Exp $ 28 */ 29 30 #ifndef _SYS_UUID_H_ 31 #define _SYS_UUID_H_ 32 33 #include <sys/cdefs.h> 34 35 /* Length of a node address (an IEEE 802 address). */ 36 #define _UUID_NODE_LEN 6 37 38 /* 39 * See also: 40 * http://www.opengroup.org/dce/info/draft-leach-uuids-guids-01.txt 41 * http://www.opengroup.org/onlinepubs/009629399/apdxa.htm 42 * 43 * A DCE 1.1 compatible source representation of UUIDs. 44 */ 45 struct uuid { 46 uint32_t time_low; 47 uint16_t time_mid; 48 uint16_t time_hi_and_version; 49 uint8_t clock_seq_hi_and_reserved; 50 uint8_t clock_seq_low; 51 uint8_t node[_UUID_NODE_LEN]; 52 }; 53 54 #ifdef _KERNEL 55 56 typedef struct uuid uuid_t; 57 58 #define UUID_NODE_LEN _UUID_NODE_LEN 59 60 struct sbuf; 61 62 int kuuid_compare(const struct uuid *, const struct uuid *); 63 int kuuid_is_nil(const struct uuid *); 64 int kuuid_is_ccd(const struct uuid *); 65 int kuuid_is_vinum(const struct uuid *); 66 67 int snprintf_uuid(char *, size_t, struct uuid *); 68 int printf_uuid(struct uuid *); 69 int sbuf_printf_uuid(struct sbuf *, struct uuid *); 70 int parse_uuid(const char *, 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_ */ 89