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/*
* Cantata
*
* Copyright (c) 2011-2022 Craig Drummond <craig.p.drummond@gmail.com>
*
* ----
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "freespaceinfo.h"
#include "support/utils.h"
#if defined(Q_OS_UNIX)
#include <sys/statvfs.h>
#elif defined Q_OS_WIN
#include "windows.h"
#endif
FreeSpaceInfo::FreeSpaceInfo(const QString& path)
: location(path), isDirty(true), totalSize(0), usedSpace(0)
{
}
void FreeSpaceInfo::setPath(const QString& path)
{
if (location != path) {
location = Utils::fixPath(path);
isDirty = true;
}
}
qulonglong FreeSpaceInfo::size()
{
if (isDirty) {
update();
}
return totalSize;
}
qulonglong FreeSpaceInfo::used()
{
if (isDirty) {
update();
}
return usedSpace;
}
void FreeSpaceInfo::update()
{
#if defined(Q_OS_UNIX)
struct statvfs fs_info;
if (0 == statvfs(location.toLocal8Bit().constData(), &fs_info)) {
totalSize = quint64(fs_info.f_blocks) * quint64(fs_info.f_bsize);
usedSpace = totalSize - (quint64(fs_info.f_bavail) * quint64(fs_info.f_bsize));
}
#elif defined(Q_OS_WIN)
_ULARGE_INTEGER totalRet;
_ULARGE_INTEGER freeRet;
if (0 != GetDiskFreeSpaceEx(QDir::toNativeSeparators(location).toLocal8Bit().constData(), &freeRet, &totalRet, NULL)) {
totalSize = totalRet.QuadPart;
usedSpace = totalRet.QuadPart - freeRet.QuadPart;
}
#endif
isDirty = false;
}
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