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/* $Id: uuid-win.cpp $ */
/** @file
* IPRT - UUID, Windows implementation.
*/
/*
* Copyright (C) 2006-2020 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 *
*********************************************************************************************************************************/
#define LOG_GROUP RTLOGGROUP_UUID
#include <iprt/win/windows.h>
#include <iprt/uuid.h>
#include <iprt/assert.h>
#include <iprt/string.h>
#include <iprt/errcore.h>
RTDECL(int) RTUuidClear(PRTUUID pUuid)
{
/* check params */
AssertPtrReturn(pUuid, VERR_INVALID_POINTER);
return RTErrConvertFromWin32(UuidCreateNil((UUID *)pUuid));
}
RTDECL(bool) RTUuidIsNull(PCRTUUID pUuid)
{
/* check params */
AssertPtrReturn(pUuid, true);
RPC_STATUS status;
return !!UuidIsNil((UUID *)pUuid, &status);
}
RTDECL(int) RTUuidCompare(PCRTUUID pUuid1, PCRTUUID pUuid2)
{
/*
* Special cases.
*/
if (pUuid1 == pUuid2)
return 0;
if (!pUuid1)
return RTUuidIsNull(pUuid2) ? 0 : -1;
if (!pUuid2)
return RTUuidIsNull(pUuid1) ? 0 : 1;
AssertPtrReturn(pUuid1, -1);
AssertPtrReturn(pUuid2, 1);
/*
* Hand the rest to the Windows API.
*/
RPC_STATUS status;
return UuidCompare((UUID *)pUuid1, (UUID *)pUuid2, &status);
}
RTDECL(int) RTUuidCompareStr(PCRTUUID pUuid1, const char *pszString2)
{
/* check params */
AssertPtrReturn(pUuid1, -1);
AssertPtrReturn(pszString2, 1);
/*
* Try convert the string to a UUID and then compare the two.
*/
RTUUID Uuid2;
int rc = RTUuidFromStr(&Uuid2, pszString2);
AssertRCReturn(rc, 1);
return RTUuidCompare(pUuid1, &Uuid2);
}
RTDECL(int) RTUuidCompare2Strs(const char *pszString1, const char *pszString2)
{
RTUUID Uuid1;
RTUUID Uuid2;
int rc;
/* check params */
AssertPtrReturn(pszString1, -1);
AssertPtrReturn(pszString2, 1);
/*
* Try convert the strings to UUIDs and then compare them.
*/
rc = RTUuidFromStr(&Uuid1, pszString1);
AssertRCReturn(rc, -1);
rc = RTUuidFromStr(&Uuid2, pszString2);
AssertRCReturn(rc, 1);
return RTUuidCompare(&Uuid1, &Uuid2);
}
RTDECL(int) RTUuidToStr(PCRTUUID pUuid, char *pszString, size_t cchString)
{
/* check params */
AssertPtrReturn(pUuid, VERR_INVALID_POINTER);
AssertPtrReturn(pszString, VERR_INVALID_POINTER);
AssertReturn(cchString >= RTUUID_STR_LENGTH, VERR_INVALID_PARAMETER);
/*
* Try convert it.
*
* The API allocates a new string buffer for us, so we can do our own
* buffer overflow handling.
*/
RPC_STATUS Status;
unsigned char *pszTmpStr = NULL;
#ifdef RPC_UNICODE_SUPPORTED
/* always use ASCII version! */
Status = UuidToStringA((UUID *)pUuid, &pszTmpStr);
#else
Status = UuidToString((UUID *)pUuid, &pszTmpStr);
#endif
if (Status != RPC_S_OK)
return RTErrConvertFromWin32(Status);
/* copy it. */
int rc = VINF_SUCCESS;
size_t cchTmpStr = strlen((char *)pszTmpStr);
if (cchTmpStr < cchString)
memcpy(pszString, pszTmpStr, cchTmpStr + 1);
else
{
AssertFailed();
rc = ERROR_BUFFER_OVERFLOW;
}
/* free buffer */
#ifdef RPC_UNICODE_SUPPORTED
/* always use ASCII version! */
RpcStringFreeA(&pszTmpStr);
#else
RpcStringFree(&pszTmpStr);
#endif
/* all done */
return rc;
}
RTDECL(int) RTUuidFromStr(PRTUUID pUuid, const char *pszString)
{
/* check params */
AssertPtrReturn(pUuid, VERR_INVALID_POINTER);
AssertPtrReturn(pszString, VERR_INVALID_POINTER);
RPC_STATUS rc;
#ifdef RPC_UNICODE_SUPPORTED
/* always use ASCII version! */
rc = UuidFromStringA((unsigned char *)pszString, (UUID *)pUuid);
#else
rc = UuidFromString((unsigned char *)pszString, (UUID *)pUuid);
#endif
return RTErrConvertFromWin32(rc);
}
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