69 lines
2.4 KiB
C
69 lines
2.4 KiB
C
|
/*-
|
||
|
|
* 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.
|
||
|
|
*
|
||
|
|
* $FreeBSD$
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <string.h>
|
||
|
|
#include <uuid.h>
|
||
|
|
|
||
|
|
/*
|
||
|
|
* uuid_to_string() - Convert a binary UUID into a string representation.
|
||
|
|
* See also:
|
||
|
|
* http://www.opengroup.org/onlinepubs/009629399/uuid_to_string.htm
|
||
|
|
* http://www.transarc.ibm.com/Library/documentation/dce/1.1/uuid_to_string.html
|
||
|
|
*
|
||
|
|
* 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(uuid_t *u, char **s, uint32_t *status)
|
||
|
|
{
|
||
|
|
uuid_t nil;
|
||
|
|
|
||
|
|
if (status != NULL)
|
||
|
|
*status = uuid_s_ok;
|
||
|
|
|
||
|
|
/* Why allow a NULL-pointer here? */
|
||
|
|
if (s == 0)
|
||
|
|
return;
|
||
|
|
|
||
|
|
if (u == NULL) {
|
||
|
|
u = &nil;
|
||
|
|
uuid_create_nil(u, NULL);
|
||
|
|
}
|
||
|
|
|
||
|
|
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 (*s == NULL && status != NULL)
|
||
|
|
*status = uuid_s_no_memory;
|
||
|
|
}
|