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/* $Id: RTFileQueryFsSizes-posix.cpp $ */
/** @file
* IPRT - File I/O, RTFileFsQuerySizes, POSIX.
*/
/*
* Copyright (C) 2006-2019 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE 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.
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#define LOG_GROUP RTLOGGROUP_FILE
#include <errno.h>
#include <sys/types.h>
#include <fcntl.h>
#include <sys/statvfs.h>
#include <iprt/file.h>
#include <iprt/assert.h>
#include <iprt/errcore.h>
#include <iprt/log.h>
#include <iprt/string.h>
RTR3DECL(int) RTFileQueryFsSizes(RTFILE hFile, PRTFOFF pcbTotal, RTFOFF *pcbFree,
uint32_t *pcbBlock, uint32_t *pcbSector)
{
struct statvfs StatVFS;
RT_ZERO(StatVFS);
if (fstatvfs(RTFileToNative(hFile), &StatVFS))
return RTErrConvertFromErrno(errno);
/*
* Calc the returned values.
*/
if (pcbTotal)
*pcbTotal = (RTFOFF)StatVFS.f_blocks * StatVFS.f_frsize;
if (pcbFree)
*pcbFree = (RTFOFF)StatVFS.f_bavail * StatVFS.f_frsize;
if (pcbBlock)
*pcbBlock = StatVFS.f_frsize;
/* no idea how to get the sector... */
if (pcbSector)
*pcbSector = 512;
return VINF_SUCCESS;
}
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