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// Copyright (C) 2016 Intel Corporation
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <QtCore/QStorageInfo>
void printVolumes(const QList<QStorageInfo> &volumes, int (*printer)(const char *, ...))
{
// Sample output:
// Filesystem (Type) Size Available BSize Label Mounted on
// /dev/sda2 (ext4) RO 388480 171218 1024 /boot
// /dev/mapper/system-root (btrfs) RW
// 214958080 39088272 4096 /
// /dev/disk1s2 (hfs) RW 488050672 419909696 4096 Macintosh HD2 /Volumes/Macintosh HD2
int fsColumnWidth = 25;
int labelColumnWidth = 20;
for (const QStorageInfo &info : volumes) {
int len = 3 + info.device().size() + info.fileSystemType().size();
fsColumnWidth = qMax(fsColumnWidth, len);
if (QString subvol = info.subvolume(); !subvol.isEmpty())
labelColumnWidth = qMax(labelColumnWidth, int(subvol.size() + strlen("subvol=")));
else
labelColumnWidth = qMax(labelColumnWidth, int(info.name().size()));
}
printer("%*s Size Available BSize %*s Mounted on\n",
-fsColumnWidth, "Filesystem (Type)",
-labelColumnWidth, "Label");
for (const QStorageInfo &info : volumes) {
QByteArray fsAndType = info.device();
if (info.fileSystemType() != fsAndType)
fsAndType += " (" + info.fileSystemType() + ')';
printer("%*s R%c ", -fsColumnWidth, fsAndType.constData(), info.isReadOnly() ? 'O' : 'W');
printer("%10llu %10llu %5u ", info.bytesTotal() / 1024, info.bytesFree() / 1024, info.blockSize());
if (!info.subvolume().isEmpty())
printer("subvol=%*s ", -labelColumnWidth + int(strlen("subvol=")), qPrintable(info.subvolume()));
else
printer("%*s ", -labelColumnWidth, qPrintable(info.name()));
printer("%s\n", qPrintable(info.rootPath()));
}
}
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