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-rw-r--r--src/corelib/kernel/qvariant.cpp3
-rw-r--r--tests/auto/qvariant/tst_qvariant.cpp4
2 files changed, 6 insertions, 1 deletions
diff --git a/src/corelib/kernel/qvariant.cpp b/src/corelib/kernel/qvariant.cpp
index e1b5825..95b2352 100644
--- a/src/corelib/kernel/qvariant.cpp
+++ b/src/corelib/kernel/qvariant.cpp
@@ -466,7 +466,8 @@ static bool compare(const QVariant::Private *a, const QVariant::Private *b)
* QMetaType::VoidStar, QMetaType::QObjectStar and so forth, is that it wouldn't include
* user defined pointer types. */
const char *const typeName = QMetaType::typeName(a->type);
- if (typeName[qstrlen(typeName) - 1] == '*')
+ uint typeNameLen = qstrlen(typeName);
+ if (typeNameLen > 0 && typeName[typeNameLen - 1] == '*')
return *static_cast<void *const *>(a_ptr) == *static_cast<void *const *>(b_ptr);
return a_ptr == b_ptr;
diff --git a/tests/auto/qvariant/tst_qvariant.cpp b/tests/auto/qvariant/tst_qvariant.cpp
index a316dda..b7e2c81 100644
--- a/tests/auto/qvariant/tst_qvariant.cpp
+++ b/tests/auto/qvariant/tst_qvariant.cpp
@@ -1968,6 +1968,10 @@ void tst_QVariant::operator_eq_eq_data()
QTest::newRow("HashSecondLarger") << QVariant(hash1) << QVariant(hash2) << false;
}
+
+ QTest::newRow( "UserType" ) << QVariant(QVariant::UserType) << QVariant(QVariant::UserType) << false;
+ QVariant mUserType(QVariant::UserType);
+ QTest::newRow( "Shared UserType" ) << mUserType << mUserType << true;
}
void tst_QVariant::operator_eq_eq()