diff options
Diffstat (limited to 'src/core/uuid.c')
-rw-r--r-- | src/core/uuid.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/core/uuid.c b/src/core/uuid.c new file mode 100644 index 00000000..dae26c16 --- /dev/null +++ b/src/core/uuid.c @@ -0,0 +1,48 @@ +/* + * Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <stdint.h> +#include <stdio.h> +#include <byteswap.h> +#include <gpxe/uuid.h> + +/** @file + * + * Universally unique IDs + * + */ + +/** + * Convert UUID to printable string + * + * @v uuid UUID + * @ret string UUID in canonical form + */ +char * uuid_ntoa ( union uuid *uuid ) { + static char buf[37]; /* "00000000-0000-0000-0000-000000000000" */ + + sprintf ( buf, "%08lx-%04x-%04x-%04x-%02x%02x%02x%02x%02x%02x", + le32_to_cpu ( uuid->canonical.a ), + le16_to_cpu ( uuid->canonical.b ), + le16_to_cpu ( uuid->canonical.c ), + be16_to_cpu ( uuid->canonical.d ), + uuid->canonical.e[0], uuid->canonical.e[1], + uuid->canonical.e[2], uuid->canonical.e[3], + uuid->canonical.e[4], uuid->canonical.e[5] ); + return buf; +} |