summaryrefslogtreecommitdiffstats
path: root/contrib/syslinux-4.02/gpxe/src/core/uuid.c
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/syslinux-4.02/gpxe/src/core/uuid.c')
-rw-r--r--contrib/syslinux-4.02/gpxe/src/core/uuid.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/gpxe/src/core/uuid.c b/contrib/syslinux-4.02/gpxe/src/core/uuid.c
new file mode 100644
index 0000000..2b67d55
--- /dev/null
+++ b/contrib/syslinux-4.02/gpxe/src/core/uuid.c
@@ -0,0 +1,50 @@
+/*
+ * 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.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#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, "%08x-%04x-%04x-%04x-%02x%02x%02x%02x%02x%02x",
+ be32_to_cpu ( uuid->canonical.a ),
+ be16_to_cpu ( uuid->canonical.b ),
+ be16_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;
+}