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Fix topic wildcard checks

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A topic can have multiple '+' wildcards, but isValid was searching for
the wrong wildcard at the second instance.

Pick-to: 6.6 6.5 6.2
Change-Id: I83e3fa258ef01b26388c0e6fd8c17a0a140ab75a
Reviewed-by: Karsten Heimrich <karsten.heimrich@qt.io>
This commit is contained in:
Maurice Kalinowski 2023-11-25 18:40:58 +01:00
parent 95b38eafb5
commit fb417c44dd
2 changed files with 2 additions and 1 deletions
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2
src/mqtt/qmqtttopicfilter.cpp
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@ -173,7 +173,7 @@ bool QMqttTopicFilter::isValid() const
|| (singleLevelPosition < size - 1 && d->filter.at(singleLevelPosition + 1) != QLatin1Char('/'))) {
return false;
}
singleLevelPosition = d->filter.indexOf(QLatin1Char('#'), singleLevelPosition + 1);
singleLevelPosition = d->filter.indexOf(QLatin1Char('+'), singleLevelPosition + 1);
}
// Shared Subscription syntax

1
tests/auto/qmqtttopicfilter/tst_qmqtttopicfilter.cpp
View File

@ -47,6 +47,7 @@ void Tst_QMqttTopicFilter::checkValidity()
QVERIFY(!QMqttTopicFilter("a+").isValid());
QVERIFY(!QMqttTopicFilter("+a").isValid());
QVERIFY(!QMqttTopicFilter("++").isValid());
QVERIFY(!QMqttTopicFilter("a/+/b/++/c").isValid());
QVERIFY(!QMqttTopicFilter(QString(3, QChar(QChar::Null))).isValid());