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Theodore Ts'o1e3472c1997-04-29 14:53:37 +00001/*
2 * Public include file for the UUID library
Theodore Ts'oefc6f622008-08-27 23:07:54 -04003 *
Theodore Ts'o1e0a2211998-12-04 08:13:52 +00004 * Copyright (C) 1996, 1997, 1998 Theodore Ts'o.
Theodore Ts'o19c78dc1997-04-29 16:17:09 +00005 *
6 * %Begin-Header%
Theodore Ts'o1bbfec62004-03-20 14:02:24 -05007 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, and the entire permission notice in its entirety,
12 * including the disclaimer of warranties.
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 * 3. The name of the author may not be used to endorse or promote
17 * products derived from this software without specific prior
18 * written permission.
Theodore Ts'oefc6f622008-08-27 23:07:54 -040019 *
Theodore Ts'o1bbfec62004-03-20 14:02:24 -050020 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
21 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
23 * WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
26 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
27 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
28 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
30 * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
31 * DAMAGE.
Theodore Ts'o19c78dc1997-04-29 16:17:09 +000032 * %End-Header%
Theodore Ts'o1e3472c1997-04-29 14:53:37 +000033 */
34
Theodore Ts'o163337b2001-06-22 20:51:42 -040035#ifndef _UUID_UUID_H
36#define _UUID_UUID_H
37
Theodore Ts'o1e0a2211998-12-04 08:13:52 +000038#include <sys/types.h>
Theodore Ts'o6ec9ef12008-08-22 12:15:56 -040039#ifndef _WIN32
Theodore Ts'o1e0a2211998-12-04 08:13:52 +000040#include <sys/time.h>
Theodore Ts'o6ec9ef12008-08-22 12:15:56 -040041#endif
Theodore Ts'o1e0a2211998-12-04 08:13:52 +000042#include <time.h>
43
Theodore Ts'o1e3472c1997-04-29 14:53:37 +000044typedef unsigned char uuid_t[16];
45
Theodore Ts'ob19d1a91999-06-18 00:32:03 +000046/* UUID Variant definitions */
47#define UUID_VARIANT_NCS 0
48#define UUID_VARIANT_DCE 1
49#define UUID_VARIANT_MICROSOFT 2
50#define UUID_VARIANT_OTHER 3
51
Theodore Ts'o880f30a2004-03-19 21:54:13 -050052/* UUID Type definitions */
53#define UUID_TYPE_DCE_TIME 1
54#define UUID_TYPE_DCE_RANDOM 4
55
56/* Allow UUID constants to be defined */
Theodore Ts'o37a1ee92004-05-27 20:24:52 -040057#ifdef __GNUC__
Theodore Ts'o880f30a2004-03-19 21:54:13 -050058#define UUID_DEFINE(name,u0,u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,u11,u12,u13,u14,u15) \
Theodore Ts'o37a1ee92004-05-27 20:24:52 -040059 static const uuid_t name __attribute__ ((unused)) = {u0,u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,u11,u12,u13,u14,u15}
60#else
61#define UUID_DEFINE(name,u0,u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,u11,u12,u13,u14,u15) \
62 static const uuid_t name = {u0,u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,u11,u12,u13,u14,u15}
63#endif
Theodore Ts'o880f30a2004-03-19 21:54:13 -050064
Theodore Ts'oce2722f2001-09-10 20:30:09 -040065#ifdef __cplusplus
66extern "C" {
67#endif
68
Theodore Ts'o1e3472c1997-04-29 14:53:37 +000069/* clear.c */
70void uuid_clear(uuid_t uu);
71
72/* compare.c */
Theodore Ts'oce2722f2001-09-10 20:30:09 -040073int uuid_compare(const uuid_t uu1, const uuid_t uu2);
Theodore Ts'o1e3472c1997-04-29 14:53:37 +000074
75/* copy.c */
Theodore Ts'oce2722f2001-09-10 20:30:09 -040076void uuid_copy(uuid_t dst, const uuid_t src);
Theodore Ts'o1e3472c1997-04-29 14:53:37 +000077
78/* gen_uuid.c */
79void uuid_generate(uuid_t out);
Theodore Ts'o36caf251999-10-26 14:29:22 +000080void uuid_generate_random(uuid_t out);
81void uuid_generate_time(uuid_t out);
Theodore Ts'o1e3472c1997-04-29 14:53:37 +000082
83/* isnull.c */
Theodore Ts'oce2722f2001-09-10 20:30:09 -040084int uuid_is_null(const uuid_t uu);
Theodore Ts'o1e3472c1997-04-29 14:53:37 +000085
86/* parse.c */
Theodore Ts'oce2722f2001-09-10 20:30:09 -040087int uuid_parse(const char *in, uuid_t uu);
Theodore Ts'o1e3472c1997-04-29 14:53:37 +000088
89/* unparse.c */
Theodore Ts'oce2722f2001-09-10 20:30:09 -040090void uuid_unparse(const uuid_t uu, char *out);
Theodore Ts'od3d741f2004-03-22 16:22:28 -050091void uuid_unparse_lower(const uuid_t uu, char *out);
92void uuid_unparse_upper(const uuid_t uu, char *out);
Theodore Ts'o1e3472c1997-04-29 14:53:37 +000093
Theodore Ts'o1e0a2211998-12-04 08:13:52 +000094/* uuid_time.c */
Theodore Ts'oce2722f2001-09-10 20:30:09 -040095time_t uuid_time(const uuid_t uu, struct timeval *ret_tv);
96int uuid_type(const uuid_t uu);
97int uuid_variant(const uuid_t uu);
98
99#ifdef __cplusplus
100}
101#endif
Theodore Ts'o163337b2001-06-22 20:51:42 -0400102
103#endif /* _UUID_UUID_H */