diff options
Diffstat (limited to 'src/VBox/Runtime/r3/win/RTFileQuerySectorSize-win.cpp')
-rw-r--r-- | src/VBox/Runtime/r3/win/RTFileQuerySectorSize-win.cpp | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/src/VBox/Runtime/r3/win/RTFileQuerySectorSize-win.cpp b/src/VBox/Runtime/r3/win/RTFileQuerySectorSize-win.cpp new file mode 100644 index 00000000..97a38271 --- /dev/null +++ b/src/VBox/Runtime/r3/win/RTFileQuerySectorSize-win.cpp @@ -0,0 +1,71 @@ +/* $Id: RTFileQuerySectorSize-win.cpp $ */ +/** @file + * IPRT - RTFileQuerySectorSize, Windows. + */ + +/* + * Copyright (C) 2017-2023 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 "internal/iprt.h" +#include <iprt/file.h> + +#include <iprt/assert.h> +#include <iprt/err.h> +#include <iprt/string.h> + +#include <iprt/win/windows.h> + + + +RTDECL(int) RTFileQuerySectorSize(RTFILE hFile, uint32_t *pcbSector) +{ + AssertPtrReturn(pcbSector, VERR_INVALID_PARAMETER); + + DISK_GEOMETRY DriveGeo; + RT_ZERO(DriveGeo); + DWORD cbDriveGeo = 0; + if (DeviceIoControl((HANDLE)RTFileToNative(hFile), + IOCTL_DISK_GET_DRIVE_GEOMETRY, NULL, 0, + &DriveGeo, sizeof(DriveGeo), &cbDriveGeo, NULL)) + { + AssertReturn(DriveGeo.BytesPerSector > 0, VERR_INVALID_PARAMETER); + *pcbSector = DriveGeo.BytesPerSector; + return VINF_SUCCESS; + } + int rc = RTErrConvertFromWin32(GetLastError()); + AssertMsg(rc == VERR_IO_NOT_READY, ("%d / %Rrc\n", GetLastError(), rc)); + return rc; +} + |