RTFileQueryFsSizes-posix.cpp revision c58f1213e628a545081c70e26c6b67a841cff880
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync/* $Id$ */
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync/** @file
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * IPRT - File I/O, RTFileFsQuerySizes, POSIX.
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync */
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync/*
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * Copyright (C) 2006-2011 Oracle Corporation
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync *
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * available from http://www.virtualbox.org. This file is free software;
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * you can redistribute it and/or modify it under the terms of the GNU
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * General Public License (GPL) as published by the Free Software
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync *
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * The contents of this file may alternatively be used under the terms
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * of the Common Development and Distribution License Version 1.0
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * VirtualBox OSE distribution, in which case the provisions of the
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * CDDL are applicable instead of those of the GPL.
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync *
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * You may elect to license modified versions of this file under the
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync * terms and conditions of either the GPL or the CDDL or both.
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync */
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync/*******************************************************************************
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync* Header Files *
14ea49401f3c8c61422aefbda43809e275f60c6cvboxsync*******************************************************************************/
#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/err.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;
}