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62 lines
1.9 KiB
C++
62 lines
1.9 KiB
C++
/* This file is part of the KDE libraries
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Copyright (C) 2022 Ivailo Monev <xakepa10@gmail.com>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License version 2, as published by the Free Software Foundation.
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This library 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 GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include "kde_file.h"
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#include "kdebug.h"
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#include <errno.h>
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#include <unistd.h>
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// for reference:
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// https://www.gnu.org/software/libc/manual/html_node/Error-Codes.html
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namespace KDE {
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// NOTE: rename() does not support cross-filesystem move so that is emulated
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int rename(const QString &in, const QString &out)
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{
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const QByteArray encodedin(QFile::encodeName(in));
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const QByteArray encodedout(QFile::encodeName(out));
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#ifdef EXDEV
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const int result = ::rename(encodedin.constData(), encodedout.constData());
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if (result == -1 && errno == EXDEV) {
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QT_STATBUF statbuf;
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if (QT_STAT(encodedout.constData(), &statbuf) == 0
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&& ::unlink(encodedout.constData()) == -1) {
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errno = EXDEV;
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return -1;
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}
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if (QFile::copy(in, out) == false) {
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errno = EXDEV;
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return -1;
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}
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if (::unlink(encodedin.constData()) == -1) {
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errno = EXDEV;
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return -1;
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}
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errno = 0;
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return 0;
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}
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return result;
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#else
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return ::rename(encodedin.constData(), encodedout.constData());
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#endif // EXDEV
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}
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} // namespace KDE
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