1/* vi: set sw=4 ts=4: */ 2/* 3 * Public include file for the UUID library 4 * 5 * Copyright (C) 1996, 1997, 1998 Theodore Ts'o. 6 * 7 * %Begin-Header% 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, and the entire permission notice in its entirety, 13 * including the disclaimer of warranties. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. The name of the author may not be used to endorse or promote 18 * products derived from this software without specific prior 19 * written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED 22 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF 24 * WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE 25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 27 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 28 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 29 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 31 * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH 32 * DAMAGE. 33 * %End-Header% 34 */ 35 36#ifndef _UUID_UUID_H 37#define _UUID_UUID_H 38 39#include <sys/types.h> 40#include <time.h> 41 42typedef unsigned char uuid_t[16]; 43 44/* UUID Variant definitions */ 45#define UUID_VARIANT_NCS 0 46#define UUID_VARIANT_DCE 1 47#define UUID_VARIANT_MICROSOFT 2 48#define UUID_VARIANT_OTHER 3 49 50/* UUID Type definitions */ 51#define UUID_TYPE_DCE_TIME 1 52#define UUID_TYPE_DCE_RANDOM 4 53 54/* Allow UUID constants to be defined */ 55#ifdef __GNUC__ 56#define UUID_DEFINE(name,u0,u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,u11,u12,u13,u14,u15) \ 57 static const uuid_t name ATTRIBUTE_UNUSED = {u0,u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,u11,u12,u13,u14,u15} 58#else 59#define UUID_DEFINE(name,u0,u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,u11,u12,u13,u14,u15) \ 60 static const uuid_t name = {u0,u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,u11,u12,u13,u14,u15} 61#endif 62 63#ifdef __cplusplus 64extern "C" { 65#endif 66 67/* clear.c */ 68/*void uuid_clear(uuid_t uu);*/ 69#define uuid_clear(uu) memset(uu, 0, sizeof(uu)) 70 71/* compare.c */ 72int uuid_compare(const uuid_t uu1, const uuid_t uu2); 73 74/* copy.c */ 75/*void uuid_copy(uuid_t dst, const uuid_t src);*/ 76#define uuid_copy(dst,src) memcpy(dst, src, sizeof(dst)) 77 78/* gen_uuid.c */ 79void uuid_generate(uuid_t out); 80void uuid_generate_random(uuid_t out); 81void uuid_generate_time(uuid_t out); 82 83/* isnull.c */ 84/*int uuid_is_null(const uuid_t uu);*/ 85#define uuid_is_null(uu) (!memcmp(uu, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", sizeof(uu))) 86 87/* parse.c */ 88int uuid_parse(const char *in, uuid_t uu); 89 90/* unparse.c */ 91void uuid_unparse(const uuid_t uu, char *out); 92void uuid_unparse_lower(const uuid_t uu, char *out); 93void uuid_unparse_upper(const uuid_t uu, char *out); 94 95/* uuid_time.c */ 96time_t uuid_time(const uuid_t uu, struct timeval *ret_tv); 97int uuid_type(const uuid_t uu); 98int uuid_variant(const uuid_t uu); 99 100#ifdef __cplusplus 101} 102#endif 103 104#endif /* _UUID_UUID_H */ 105