154134Swpaul/* $OpenBSD: uuid_to_string.c,v 1.2 2015/09/10 18:13:46 guenther Exp $ */ 254134Swpaul/* $NetBSD: uuid_to_string.c,v 1.2 2008/04/23 07:52:32 plunky Exp $ */ 354134Swpaul 454134Swpaul/* 554134Swpaul * Copyright (c) 2002 Marcel Moolenaar 654134Swpaul * Copyright (c) 2002 Hiten Mahesh Pandya 754134Swpaul * All rights reserved. 854134Swpaul * 954134Swpaul * Redistribution and use in source and binary forms, with or without 1054134Swpaul * modification, are permitted provided that the following conditions 1154134Swpaul * are met: 1254134Swpaul * 1. Redistributions of source code must retain the above copyright 1354134Swpaul * notice, this list of conditions and the following disclaimer. 1454134Swpaul * 2. Redistributions in binary form must reproduce the above copyright 1554134Swpaul * notice, this list of conditions and the following disclaimer in the 1654134Swpaul * documentation and/or other materials provided with the distribution. 1754134Swpaul * 1854134Swpaul * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1954134Swpaul * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2054134Swpaul * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2154134Swpaul * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2254134Swpaul * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2354134Swpaul * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2454134Swpaul * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2554134Swpaul * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2654134Swpaul * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2754134Swpaul * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2854134Swpaul * SUCH DAMAGE. 2954134Swpaul * 3054134Swpaul * $FreeBSD: src/lib/libc/uuid/uuid_to_string.c,v 1.2 2003/08/08 19:18:43 marcel Exp $ 3154134Swpaul */ 3254134Swpaul 3354134Swpaul#include <stdio.h> 3454134Swpaul#include <string.h> 3554134Swpaul#include <uuid.h> 3654134Swpaul 3754134Swpaul/* 3854134Swpaul * uuid_to_string() - Convert a binary UUID into a string representation. 3954134Swpaul * See also: 4054134Swpaul * http://www.opengroup.org/onlinepubs/009629399/uuid_to_string.htm 4154134Swpaul * 4254134Swpaul * NOTE: The references given above do not have a status code for when 4354134Swpaul * the string could not be allocated. The status code has been 4454134Swpaul * taken from the Hewlett-Packard implementation. 4554134Swpaul */ 4654134Swpaulvoid 4754134Swpauluuid_to_string(const uuid_t *u, char **s, uint32_t *status) 4854134Swpaul{ 4954134Swpaul int c; 5054134Swpaul static const uuid_t nil = { .time_low = 0 }; 5154134Swpaul 5254134Swpaul if (status != NULL) 5354134Swpaul *status = uuid_s_ok; 5454134Swpaul 5554134Swpaul /* Why allow a NULL-pointer here? */ 5654134Swpaul if (s == NULL) 5754134Swpaul return; 5854134Swpaul 5954134Swpaul if (u == NULL) 6054134Swpaul u = &nil; 6154134Swpaul 6254134Swpaul c = asprintf(s, "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x", 6354134Swpaul u->time_low, u->time_mid, u->time_hi_and_version, 6454134Swpaul u->clock_seq_hi_and_reserved, u->clock_seq_low, u->node[0], 6554134Swpaul u->node[1], u->node[2], u->node[3], u->node[4], u->node[5]); 6654134Swpaul 6754134Swpaul if (c == -1 && status != NULL) 6854134Swpaul *status = uuid_s_no_memory; 6954134Swpaul} 7054134Swpaul