mirror of
https://bitbucket.org/smil3y/kdelibs.git
synced 2025-02-24 19:02:48 +00:00
131 lines
3 KiB
C++
131 lines
3 KiB
C++
/*
|
|
* kdiskfreespaceinfo.h
|
|
*
|
|
* Copyright 2008 Sebastian Trug <trueg@kde.org>
|
|
*
|
|
* Based on kdiskfreespace.h
|
|
* Copyright 2007 David Faure <faure@kde.org>
|
|
* Copyright 2008 Dirk Mueller <mueller@kde.org>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License version 2 as published by the Free Software Foundation.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public License
|
|
* along with this library; see the file COPYING.LIB. If not, write to
|
|
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#include "kdiskfreespaceinfo.h"
|
|
|
|
#include <QtCore/QSharedData>
|
|
#include <QtCore/QFile>
|
|
|
|
#include <kmountpoint.h>
|
|
#include <kdebug.h>
|
|
|
|
#include <sys/statvfs.h>
|
|
#include <errno.h>
|
|
|
|
class KDiskFreeSpaceInfo::Private : public QSharedData
|
|
{
|
|
public:
|
|
Private()
|
|
: valid(false),
|
|
size(0),
|
|
available(0) {
|
|
}
|
|
|
|
bool valid;
|
|
QString mountPoint;
|
|
KIO::filesize_t size;
|
|
KIO::filesize_t available;
|
|
};
|
|
|
|
|
|
KDiskFreeSpaceInfo::KDiskFreeSpaceInfo()
|
|
: d(new Private())
|
|
{
|
|
}
|
|
|
|
|
|
KDiskFreeSpaceInfo::KDiskFreeSpaceInfo( const KDiskFreeSpaceInfo& other )
|
|
{
|
|
d = other.d;
|
|
}
|
|
|
|
|
|
KDiskFreeSpaceInfo::~KDiskFreeSpaceInfo()
|
|
{
|
|
}
|
|
|
|
|
|
KDiskFreeSpaceInfo& KDiskFreeSpaceInfo::operator=( const KDiskFreeSpaceInfo& other )
|
|
{
|
|
d = other.d;
|
|
return *this;
|
|
}
|
|
|
|
|
|
bool KDiskFreeSpaceInfo::isValid() const
|
|
{
|
|
return d->valid;
|
|
}
|
|
|
|
|
|
QString KDiskFreeSpaceInfo::mountPoint() const
|
|
{
|
|
return d->mountPoint;
|
|
}
|
|
|
|
|
|
KIO::filesize_t KDiskFreeSpaceInfo::size() const
|
|
{
|
|
return d->size;
|
|
}
|
|
|
|
|
|
KIO::filesize_t KDiskFreeSpaceInfo::available() const
|
|
{
|
|
return d->available;
|
|
}
|
|
|
|
|
|
KIO::filesize_t KDiskFreeSpaceInfo::used() const
|
|
{
|
|
return d->size - d->available;
|
|
}
|
|
|
|
|
|
KDiskFreeSpaceInfo KDiskFreeSpaceInfo::freeSpaceInfo( const QString& path )
|
|
{
|
|
KDiskFreeSpaceInfo info;
|
|
|
|
// determine the mount point
|
|
KMountPoint::Ptr mp = KMountPoint::currentMountPoints().findByPath( path );
|
|
if (mp)
|
|
info.d->mountPoint = mp->mountPoint();
|
|
|
|
struct statvfs statvfs_buf;
|
|
|
|
// Prefer mountPoint if available, so that it even works with non-existing files.
|
|
const QString pathArg = info.d->mountPoint.isEmpty() ? path : info.d->mountPoint;
|
|
const QByteArray pathArgBytes = QFile::encodeName(pathArg);
|
|
if (::statvfs(pathArgBytes.constData(), &statvfs_buf) == 0) {
|
|
const quint64 blksize = quint64(statvfs_buf.f_frsize); // cast to avoid overflow
|
|
info.d->available = statvfs_buf.f_bavail * blksize;
|
|
info.d->size = statvfs_buf.f_blocks * blksize;
|
|
info.d->valid = true;
|
|
} else {
|
|
const int savederrno = errno;
|
|
kWarning() << qt_error_string(savederrno);
|
|
}
|
|
|
|
return info;
|
|
}
|