VirtualBox

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

Last change on this file since 103914 was 98103, checked in by vboxsync, 2 years ago

Copyright year updates by scm.

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1/* $Id: RTFileQuerySectorSize-freebsd.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
2/** @file
3 * IPRT - RTFileQuerySectorSize, FreeBSD.
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 <sys/disk.h>
49#include <sys/stat.h>
50#include <sys/ioctl.h>
51
52
53
54RTDECL(int) RTFileQuerySectorSize(RTFILE hFile, uint32_t *pcbSector)
55{
56 AssertPtrReturn(pcbSector, VERR_INVALID_PARAMETER);
57
58 int rc;
59 int const fd = (int)RTFileToNative(hFile);
60 struct stat DevStat = { 0 };
61 if (!fstat(fd, &DevStat))
62 {
63 if (S_ISCHR(DevStat.st_mode))
64 {
65 u_int cbSector = 0;
66 if (!ioctl(fd, DIOCGSECTORSIZE, &cbSector))
67 {
68 AssertReturn(cbSector > 0, VERR_INVALID_FUNCTION);
69 *pcbSector = cbSector;
70 return VINF_SUCCESS;
71 }
72 rc = RTErrConvertFromErrno(errno);
73 AssertMsgFailed(("ioctl failed: errno=%d / %Rrc\n", errno, rc));
74 }
75 else
76 {
77 AssertMsgFailed(("not a character device.\n"));
78 rc = VERR_INVALID_FUNCTION;
79 }
80 }
81 else
82 {
83 rc = RTErrConvertFromErrno(errno);
84 AssertMsgFailed(("fstat failed: errno=%d / %Rrc\n", errno, rc));
85 }
86 return rc;
87}
88
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