/* $OpenBSD: uuid_to_string.c,v 1.2 2015/09/10 18:13:46 guenther Exp $ */ /* $NetBSD: uuid_to_string.c,v 1.2 2008/04/23 07:52:32 plunky Exp $ */ /* * Copyright (c) 2002 Marcel Moolenaar * Copyright (c) 2002 Hiten Mahesh Pandya * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD: src/lib/libc/uuid/uuid_to_string.c,v 1.2 2003/08/08 19:18:43 marcel Exp $ */ #include #include #include /* * uuid_to_string() - Convert a binary UUID into a string representation. * See also: * http://www.opengroup.org/onlinepubs/009629399/uuid_to_string.htm * * NOTE: The references given above do not have a status code for when * the string could not be allocated. The status code has been * taken from the Hewlett-Packard implementation. */ void uuid_to_string(const uuid_t *u, char **s, uint32_t *status) { int c; static const uuid_t nil = { .time_low = 0 }; if (status != NULL) *status = uuid_s_ok; /* Why allow a NULL-pointer here? */ if (s == NULL) return; if (u == NULL) u = &nil; c = asprintf(s, "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x", u->time_low, u->time_mid, u->time_hi_and_version, u->clock_seq_hi_and_reserved, u->clock_seq_low, u->node[0], u->node[1], u->node[2], u->node[3], u->node[4], u->node[5]); if (c == -1 && status != NULL) *status = uuid_s_no_memory; }