[process] Include process name in debug messages
[ipxe.git] / src / core / uuid.c
1 /*
2 * Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation; either version 2 of the
7 * License, or any later version.
8 *
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
17 * 02110-1301, USA.
18 *
19 * You can also choose to distribute this program under the terms of
20 * the Unmodified Binary Distribution Licence (as given in the file
21 * COPYING.UBDL), provided that you have satisfied its requirements.
22 */
23
24 FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
25
26 #include <stdint.h>
27 #include <stdio.h>
28 #include <byteswap.h>
29 #include <ipxe/uuid.h>
30
31 /** @file
32 *
33 * Universally unique IDs
34 *
35 */
36
37 /**
38 * Convert UUID to printable string
39 *
40 * @v uuid UUID
41 * @ret string UUID in canonical form
42 */
43 const char * uuid_ntoa ( const union uuid *uuid ) {
44 static char buf[37]; /* "00000000-0000-0000-0000-000000000000" */
45
46 sprintf ( buf, "%08x-%04x-%04x-%04x-%02x%02x%02x%02x%02x%02x",
47 be32_to_cpu ( uuid->canonical.a ),
48 be16_to_cpu ( uuid->canonical.b ),
49 be16_to_cpu ( uuid->canonical.c ),
50 be16_to_cpu ( uuid->canonical.d ),
51 uuid->canonical.e[0], uuid->canonical.e[1],
52 uuid->canonical.e[2], uuid->canonical.e[3],
53 uuid->canonical.e[4], uuid->canonical.e[5] );
54 return buf;
55 }