VirtualBox

source: vbox/trunk/src/VBox/Runtime/r3/posix/RTFileQueryFsSizes-posix.cpp@ 103795

Last change on this file since 103795 was 98103, checked in by vboxsync, 2 years ago

Copyright year updates by scm.

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1/* $Id: RTFileQueryFsSizes-posix.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
2/** @file
3 * IPRT - File I/O, RTFileFsQuerySizes, POSIX.
4 */
5
6/*
7 * Copyright (C) 2006-2023 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#define LOG_GROUP RTLOGGROUP_FILE
42
43#include <errno.h>
44#include <sys/types.h>
45#include <fcntl.h>
46#include <sys/statvfs.h>
47
48#include <iprt/file.h>
49#include <iprt/assert.h>
50#include <iprt/errcore.h>
51#include <iprt/log.h>
52#include <iprt/string.h>
53
54
55RTR3DECL(int) RTFileQueryFsSizes(RTFILE hFile, PRTFOFF pcbTotal, RTFOFF *pcbFree,
56 uint32_t *pcbBlock, uint32_t *pcbSector)
57{
58 struct statvfs StatVFS;
59 RT_ZERO(StatVFS);
60 if (fstatvfs(RTFileToNative(hFile), &StatVFS))
61 return RTErrConvertFromErrno(errno);
62
63 /*
64 * Calc the returned values.
65 */
66 if (pcbTotal)
67 *pcbTotal = (RTFOFF)StatVFS.f_blocks * StatVFS.f_frsize;
68 if (pcbFree)
69 *pcbFree = (RTFOFF)StatVFS.f_bavail * StatVFS.f_frsize;
70 if (pcbBlock)
71 *pcbBlock = StatVFS.f_frsize;
72 /* no idea how to get the sector... */
73 if (pcbSector)
74 *pcbSector = 512;
75
76 return VINF_SUCCESS;
77}
78
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