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 */ 28 29 #ifndef _SYS_UUID_H_ 30 #define _SYS_UUID_H_ 31 32 #include <sys/cdefs.h> 33 #ifndef _KERNEL 34 #include <machine/stdint.h> 35 #else 36 #include <sys/types.h> 37 #endif 38 39 /* Length of a node address (an IEEE 802 address). */ 40 #define _UUID_NODE_LEN 6 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 typedef struct uuid uuid_t; 61 62 #define UUID_NODE_LEN _UUID_NODE_LEN 63 64 struct sbuf; 65 66 int kuuid_compare(const struct uuid *, const struct uuid *); 67 int kuuid_is_nil(const struct uuid *); 68 int kuuid_is_ccd(const struct uuid *); 69 int kuuid_is_vinum(const struct uuid *); 70 71 int snprintf_uuid(char *, size_t, struct uuid *); 72 int printf_uuid(struct uuid *); 73 int sbuf_printf_uuid(struct sbuf *, struct uuid *); 74 int parse_uuid(const char *, struct uuid *); 75 76 void be_uuid_dec(void const *buf, struct uuid *uuid); 77 void be_uuid_enc(void *buf, struct uuid const *uuid); 78 void le_uuid_dec(void const *buf, struct uuid *uuid); 79 void le_uuid_enc(void *buf, struct uuid const *uuid); 80 81 #else /* !_KERNEL */ 82 83 /* XXX namespace pollution? */ 84 typedef struct uuid uuid_t; 85 86 __BEGIN_DECLS 87 int uuidgen(struct uuid *, int); 88 __END_DECLS 89 90 #endif /* _KERNEL */ 91 92 #endif /* _SYS_UUID_H_ */ 93