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-rw-r--r--src/corelib/io/qsettings.cpp8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/corelib/io/qsettings.cpp b/src/corelib/io/qsettings.cpp
index fd35ae33dc..d896da176a 100644
--- a/src/corelib/io/qsettings.cpp
+++ b/src/corelib/io/qsettings.cpp
@@ -3121,6 +3121,10 @@ bool QSettings::isWritable() const
void QSettings::setValue(const QString &key, const QVariant &value)
{
Q_D(QSettings);
+ if (key.isEmpty()) {
+ qWarning("QSettings::setValue: Empty key passed");
+ return;
+ }
QString k = d->actualKey(key);
d->set(k, value);
d->requestUpdate();
@@ -3253,6 +3257,10 @@ bool QSettings::event(QEvent *event)
QVariant QSettings::value(const QString &key, const QVariant &defaultValue) const
{
Q_D(const QSettings);
+ if (key.isEmpty()) {
+ qWarning("QSettings::value: Empty key passed");
+ return QVariant();
+ }
QVariant result = defaultValue;
QString k = d->actualKey(key);
d->get(k, &result);