mirror of https://github.com/qTox/qTox
35 lines
1.2 KiB
C++
35 lines
1.2 KiB
C++
/*
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Copyright © 2021 by The qTox Project Contributors
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This file is part of qTox, a Qt-based graphical interface for Tox.
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qTox is libre software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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qTox is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with qTox. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "util/display.h"
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#include <cmath>
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QString getHumanReadableSize(uint64_t size)
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{
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static const char* suffix[] = {"B", "KiB", "MiB", "GiB", "TiB"};
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int exp = 0;
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if (size > 0) {
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exp = std::min(static_cast<int>(log(size) / log(1024)), static_cast<int>(sizeof(suffix) / sizeof(suffix[0]) - 1));
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}
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return QString().setNum(size / pow(1024, exp), 'f', exp > 1 ? 2 : 0).append(suffix[exp]);
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}
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