diff options
Diffstat (limited to 'src/VBox/Runtime/generic/RTUuidCreate-generic.cpp')
-rw-r--r-- | src/VBox/Runtime/generic/RTUuidCreate-generic.cpp | 66 |
1 files changed, 66 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..f47f2443 --- /dev/null +++ b/src/VBox/Runtime/generic/RTUuidCreate-generic.cpp @@ -0,0 +1,66 @@ +/* $Id: RTUuidCreate-generic.cpp $ */ +/** @file + * IPRT - UUID, Generic RTUuidCreate implementation. + */ + +/* + * Copyright (C) 2006-2023 Oracle and/or its affiliates. + * + * This file is part of VirtualBox base platform packages, as + * available from https://www.virtualbox.org. + * + * 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, in version 3 of the + * License. + * + * 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, see <https://www.gnu.org/licenses>. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included + * in the VirtualBox 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. + * + * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0 + */ + + +/********************************************************************************************************************************* +* 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); + |