| 1 | /* $Id: RTFileQueryFsSizes-posix.cpp 69111 2017-10-17 14:26:02Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * IPRT - File I/O, RTFileFsQuerySizes, POSIX.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2006-2017 Oracle Corporation
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 10 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 11 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 12 | * General Public License (GPL) as published by the Free Software
|
|---|
| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 16 | *
|
|---|
| 17 | * The contents of this file may alternatively be used under the terms
|
|---|
| 18 | * of the Common Development and Distribution License Version 1.0
|
|---|
| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
|
|---|
| 20 | * VirtualBox OSE distribution, in which case the provisions of the
|
|---|
| 21 | * CDDL are applicable instead of those of the GPL.
|
|---|
| 22 | *
|
|---|
| 23 | * You may elect to license modified versions of this file under the
|
|---|
| 24 | * terms and conditions of either the GPL or the CDDL or both.
|
|---|
| 25 | */
|
|---|
| 26 |
|
|---|
| 27 |
|
|---|
| 28 | /*********************************************************************************************************************************
|
|---|
| 29 | * Header Files *
|
|---|
| 30 | *********************************************************************************************************************************/
|
|---|
| 31 | #define LOG_GROUP RTLOGGROUP_FILE
|
|---|
| 32 |
|
|---|
| 33 | #include <errno.h>
|
|---|
| 34 | #include <sys/types.h>
|
|---|
| 35 | #include <fcntl.h>
|
|---|
| 36 | #include <sys/statvfs.h>
|
|---|
| 37 |
|
|---|
| 38 | #include <iprt/file.h>
|
|---|
| 39 | #include <iprt/assert.h>
|
|---|
| 40 | #include <iprt/err.h>
|
|---|
| 41 | #include <iprt/log.h>
|
|---|
| 42 | #include <iprt/string.h>
|
|---|
| 43 |
|
|---|
| 44 |
|
|---|
| 45 | RTR3DECL(int) RTFileQueryFsSizes(RTFILE hFile, PRTFOFF pcbTotal, RTFOFF *pcbFree,
|
|---|
| 46 | uint32_t *pcbBlock, uint32_t *pcbSector)
|
|---|
| 47 | {
|
|---|
| 48 | struct statvfs StatVFS;
|
|---|
| 49 | RT_ZERO(StatVFS);
|
|---|
| 50 | if (fstatvfs(RTFileToNative(hFile), &StatVFS))
|
|---|
| 51 | return RTErrConvertFromErrno(errno);
|
|---|
| 52 |
|
|---|
| 53 | /*
|
|---|
| 54 | * Calc the returned values.
|
|---|
| 55 | */
|
|---|
| 56 | if (pcbTotal)
|
|---|
| 57 | *pcbTotal = (RTFOFF)StatVFS.f_blocks * StatVFS.f_frsize;
|
|---|
| 58 | if (pcbFree)
|
|---|
| 59 | *pcbFree = (RTFOFF)StatVFS.f_bavail * StatVFS.f_frsize;
|
|---|
| 60 | if (pcbBlock)
|
|---|
| 61 | *pcbBlock = StatVFS.f_frsize;
|
|---|
| 62 | /* no idea how to get the sector... */
|
|---|
| 63 | if (pcbSector)
|
|---|
| 64 | *pcbSector = 512;
|
|---|
| 65 |
|
|---|
| 66 | return VINF_SUCCESS;
|
|---|
| 67 | }
|
|---|
| 68 |
|
|---|
