57 lines
1.6 KiB
C++
57 lines
1.6 KiB
C++
/*
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SPDX-FileCopyrightText: 2008-2011 Volker Lanz <vl@fidra.de>
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SPDX-FileCopyrightText: 2013-2018 Andrius Štikonas <andrius@stikonas.eu>
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SPDX-FileCopyrightText: 2015 Teo Mrnjavac <teo@kde.org>
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SPDX-FileCopyrightText: 2020 Arnaud Ferraris <arnaud.ferraris@collabora.com>
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SPDX-FileCopyrightText: 2020 Gaël PORTAY <gael.portay@collabora.com>
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SPDX-License-Identifier: GPL-3.0-or-later
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*/
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#include "fs/fat32.h"
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#include "util/externalcommand.h"
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#include "util/capacity.h"
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#include <QStringList>
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#include <ctime>
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namespace FS
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{
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fat32::fat32(qint64 firstsector, qint64 lastsector, qint64 sectorsused, const QString& label, const QVariantMap& features) :
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fat16(firstsector, lastsector, sectorsused, label, features, FileSystem::Type::Fat32)
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{
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}
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qint64 fat32::minCapacity() const
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{
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return 32 * Capacity::unitFactor(Capacity::Unit::Byte, Capacity::Unit::MiB);
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}
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qint64 fat32::maxCapacity() const
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{
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return 16 * Capacity::unitFactor(Capacity::Unit::Byte, Capacity::Unit::TiB) - Capacity::unitFactor(Capacity::Unit::Byte, Capacity::Unit::MiB);
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}
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bool fat32::create(Report& report, const QString& deviceNode)
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{
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return createWithFatSize(report, deviceNode, 32);
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}
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bool fat32::updateUUID(Report& report, const QString& deviceNode) const
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{
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// HACK: replace this hack with fatlabel "-i" (dosfstools 4.2)
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long int t = time(nullptr);
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char uuid[4];
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for (auto &u : uuid) {
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u = static_cast<char>(t & 0xff);
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t >>= 8;
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}
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ExternalCommand cmd;
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return cmd.writeData(report, QByteArray(uuid, sizeof(uuid)), deviceNode, 67);
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}
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}
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