QQuickTextInput: Store mask data in std::unique_ptr

This ensures that the memory is freed reliably

Fixes: QTBUG-88807
Change-Id: I841a5a2b226a69ce50975d95702a948857d1b54f
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io>
(cherry picked from commit d2d8e90e9f218103d60737e1273ab5322834d9ec)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

2 files changed, 5 insertions, 5 deletions

diff --git a/src/quick/items/qquicktextinput.cpp b/src/quick/items/qquicktextinput.cpp
index 7861ba768f..f5a09220f5 100644
--- a/src/quick/items/qquicktextinput.cpp
+++ b/src/quick/items/qquicktextinput.cpp
@@ -3834,8 +3834,7 @@ void QQuickTextInputPrivate::parseInputMask(const QString &maskFields)
     int delimiter = maskFields.indexOf(QLatin1Char(';'));
     if (maskFields.isEmpty() || delimiter == 0) {
         if (m_maskData) {
-            delete [] m_maskData;
-            m_maskData = nullptr;
+            m_maskData.reset(nullptr);
             m_maxLength = 32767;
             internalSetText(QString());
         }
@@ -3866,8 +3865,7 @@ void QQuickTextInputPrivate::parseInputMask(const QString &maskFields)
             m_maxLength++;
     }
 
-    delete [] m_maskData;
-    m_maskData = new MaskInputData[m_maxLength];
+    m_maskData.reset(new MaskInputData[m_maxLength]);
 
     MaskInputData::Casemode m = MaskInputData::NoCaseMode;
     c = u'\0';
diff --git a/src/quick/items/qquicktextinput_p_p.h b/src/quick/items/qquicktextinput_p_p.h
index 6a0a1ca170..cb965f2fed 100644
--- a/src/quick/items/qquicktextinput_p_p.h
+++ b/src/quick/items/qquicktextinput_p_p.h
@@ -58,6 +58,8 @@
 
 #include "qplatformdefs.h"
 
+#include <memory>
+
 //
 //  W A R N I N G
 //  -------------
@@ -230,7 +232,7 @@ public:
 
     QQuickItem *cursorItem;
     QQuickTextNode *textNode;
-    MaskInputData *m_maskData;
+    std::unique_ptr<MaskInputData[]> m_maskData;
     QInputControl *m_inputControl;
 
     QList<int> m_transactions;