Files
DbCoreLib/utils/fileutils.cpp
2018-10-14 12:13:53 +02:00

47 lines
1.3 KiB
C++

#include "fileutils.h"
#include <QDir>
#include <QDebug>
#include <QDirIterator>
#include <QFileInfo>
#include <QFile>
bool emptyDirectory(const QString &path)
{
QDir dir(path);
if(!dir.exists())
{
qWarning() << "tried to empty non-existant dir" << path;
return true;
}
bool success = true;
// not empty -- we must empty it first
QDirIterator di(dir.absolutePath(), QDir::AllEntries | QDir::Hidden | QDir::System | QDir::NoDotAndDotDot);
while (di.hasNext()) {
di.next();
const QFileInfo& fi = di.fileInfo();
const QString &filePath = di.filePath();
bool ok;
if (fi.isDir() && !fi.isSymLink()) {
ok = QDir(filePath).removeRecursively(); // recursive
} else {
ok = QFile::remove(filePath);
if (!ok) { // Read-only files prevent directory deletion on Windows, retry with Write permission.
const QFile::Permissions permissions = QFile::permissions(filePath);
if (!(permissions & QFile::WriteUser))
ok = QFile::setPermissions(filePath, permissions | QFile::WriteUser)
&& QFile::remove(filePath);
}
}
if (!ok)
success = false;
}
if(!success)
qWarning() << "could not empty" << path;
return success;
}