summaryrefslogtreecommitdiffstats
path: root/src/VBox/Runtime/generic/RTUuidCreate-generic.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/VBox/Runtime/generic/RTUuidCreate-generic.cpp')
-rw-r--r--src/VBox/Runtime/generic/RTUuidCreate-generic.cpp56
1 files changed, 56 insertions, 0 deletions
diff --git a/src/VBox/Runtime/generic/RTUuidCreate-generic.cpp b/src/VBox/Runtime/generic/RTUuidCreate-generic.cpp
new file mode 100644
index 00000000..9c7d6c18
--- /dev/null
+++ b/src/VBox/Runtime/generic/RTUuidCreate-generic.cpp
@@ -0,0 +1,56 @@
+/* $Id: RTUuidCreate-generic.cpp $ */
+/** @file
+ * IPRT - UUID, Generic RTUuidCreate implementation.
+ */
+
+/*
+ * Copyright (C) 2006-2019 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ */
+
+
+/*********************************************************************************************************************************
+* Header Files *
+*********************************************************************************************************************************/
+#include <iprt/uuid.h>
+#include "internal/iprt.h"
+
+#include <iprt/assert.h>
+#include <iprt/errcore.h>
+#include <iprt/rand.h>
+
+
+/* WARNING: This implementation ASSUMES little endian. Does not work on big endian! */
+
+/* Remember, the time fields in the UUID must be little endian. */
+
+
+RTDECL(int) RTUuidCreate(PRTUUID pUuid)
+{
+ /* validate input. */
+ AssertPtrReturn(pUuid, VERR_INVALID_PARAMETER);
+
+ RTRandBytes(pUuid, sizeof(*pUuid));
+ pUuid->Gen.u8ClockSeqHiAndReserved = (pUuid->Gen.u8ClockSeqHiAndReserved & 0x3f) | 0x80;
+ pUuid->Gen.u16TimeHiAndVersion = (pUuid->Gen.u16TimeHiAndVersion & 0x0fff) | 0x4000;
+
+ return VINF_SUCCESS;
+}
+RT_EXPORT_SYMBOL(RTUuidCreate);
+