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Check if first is not empty

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If it's not checked that first is empty, crashes may happen.

Signed-off-by: Felix Weilbach <felix.weilbach@nextcloud.com>
This commit is contained in:
Felix Weilbach 2021-05-18 10:50:56 +02:00 committed by Matthieu Gallien (Rebase PR Action)
parent e5b4fc2769
commit c9715db720
1 changed files with 1 additions and 1 deletions
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2
src/libsync/discovery.cpp
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@ -177,7 +177,7 @@ void ProcessDirectoryJob::process()
// For windows, the hidden state is also discovered within the vio
// local stat function.
// Recall file shall not be ignored (#4420)
bool isHidden = e.localEntry.isHidden || (f.first[0] == '.' && f.first != QLatin1String(".sys.admin#recall#"));
bool isHidden = e.localEntry.isHidden || (!f.first.isEmpty() && f.first[0] == '.' && f.first != QLatin1String(".sys.admin#recall#"));
#ifdef Q_OS_WIN
// exclude ".lnk" files as they are not essential, but, causing troubles when enabling the VFS due to QFileInfo::isDir() and other methods are freezing, which causes the ".lnk" files to start hydrating and freezing the app eventually.
const bool isServerEntryWindowsShortcut = !e.localEntry.isValid() && e.serverEntry.isValid() && !e.serverEntry.isDirectory && FileSystem::isLnkFile(e.serverEntry.name);