diff options
Diffstat (limited to 'src/VBox/Runtime/generic/RTUuidCreate-generic.cpp')
-rw-r--r-- | src/VBox/Runtime/generic/RTUuidCreate-generic.cpp | 56 |
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); + |