VirtualBox

source: vbox/trunk/src/VBox/Runtime/r3/solaris/RTFileQuerySectorSize-solaris.cpp@ 103914

Last change on this file since 103914 was 98103, checked in by vboxsync, 23 months ago

Copyright year updates by scm.

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1/* $Id: RTFileQuerySectorSize-solaris.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
2/** @file
3 * IPRT - RTFileQuerySectorSize, Solaris.
4 */
5
6/*
7 * Copyright (C) 2017-2023 Oracle and/or its affiliates.
8 *
9 * This file is part of VirtualBox base platform packages, as
10 * available from https://www.virtualbox.org.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation, in version 3 of the
15 * License.
16 *
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, see <https://www.gnu.org/licenses>.
24 *
25 * The contents of this file may alternatively be used under the terms
26 * of the Common Development and Distribution License Version 1.0
27 * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
28 * in the VirtualBox distribution, in which case the provisions of the
29 * CDDL are applicable instead of those of the GPL.
30 *
31 * You may elect to license modified versions of this file under the
32 * terms and conditions of either the GPL or the CDDL or both.
33 *
34 * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
35 */
36
37
38/*********************************************************************************************************************************
39* Header Files *
40*********************************************************************************************************************************/
41#include "internal/iprt.h"
42#include <iprt/file.h>
43
44#include <iprt/assert.h>
45#include <iprt/errcore.h>
46
47#include <errno.h>
48#include <stropts.h>
49#include <sys/types.h>
50#include <sys/dkio.h>
51#include <sys/vtoc.h>
52#include <sys/stat.h>
53
54
55
56RTDECL(int) RTFileQuerySectorSize(RTFILE hFile, uint32_t *pcbSector)
57{
58 AssertPtrReturn(pcbSector, VERR_INVALID_PARAMETER);
59
60 int rc;
61 int const fd = (int)RTFileToNative(hFile);
62 struct stat DevStat = { 0 };
63 if (!fstat(fd, &DevStat))
64 {
65 if (S_ISBLK(DevStat.st_mode) || S_ISCHR(DevStat.st_mode))
66 {
67 struct dk_minfo MediaInfo;
68 if (!ioctl(fd, DKIOCGMEDIAINFO, &MediaInfo))
69 {
70 AssertReturn(MediaInfo.dki_lbsize > 0, VERR_INVALID_FUNCTION);
71 *pcbSector = MediaInfo.dki_lbsize;
72 return VINF_SUCCESS;
73 }
74 rc = RTErrConvertFromErrno(errno);
75 AssertMsgFailed(("ioctl failed: errno=%d / %Rrc\n", errno, rc));
76 }
77 else
78 {
79 AssertMsgFailed(("not a block or character device.\n"));
80 rc = VERR_INVALID_FUNCTION;
81 }
82 }
83 else
84 {
85 rc = RTErrConvertFromErrno(errno);
86 AssertMsgFailed(("fstat failed: errno=%d / %Rrc\n", errno, rc));
87 }
88 return rc;
89}
90
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