Make public headers compile with -Wzero-as-null-pointer-constant

... or equivalent.

QtBase 5.6 headers already compile that way, so let the other
modules follow suit.

Task-number: QTBUG-45291
Change-Id: Ied526fb2d7adc3a68946d6843a6bd6f475ebf864
Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>

1 files changed, 9 insertions, 9 deletions

diff --git a/src/qml/qml/qqmlcomponent.h b/src/qml/qml/qqmlcomponent.h
index 121c83db5c..58cbadff00 100644
--- a/src/qml/qml/qqmlcomponent.h
+++ b/src/qml/qml/qqmlcomponent.h
@@ -66,12 +66,12 @@ public:
     enum CompilationMode { PreferSynchronous, Asynchronous };
     Q_ENUM(CompilationMode)
 
-    QQmlComponent(QObject *parent = 0);
-    QQmlComponent(QQmlEngine *, QObject *parent=0);
-    QQmlComponent(QQmlEngine *, const QString &fileName, QObject *parent = 0);
-    QQmlComponent(QQmlEngine *, const QString &fileName, CompilationMode mode, QObject *parent = 0);
-    QQmlComponent(QQmlEngine *, const QUrl &url, QObject *parent = 0);
-    QQmlComponent(QQmlEngine *, const QUrl &url, CompilationMode mode, QObject *parent = 0);
+    QQmlComponent(QObject *parent = Q_NULLPTR);
+    QQmlComponent(QQmlEngine *, QObject *parent = Q_NULLPTR);
+    QQmlComponent(QQmlEngine *, const QString &fileName, QObject *parent = Q_NULLPTR);
+    QQmlComponent(QQmlEngine *, const QString &fileName, CompilationMode mode, QObject *parent = Q_NULLPTR);
+    QQmlComponent(QQmlEngine *, const QUrl &url, QObject *parent = Q_NULLPTR);
+    QQmlComponent(QQmlEngine *, const QUrl &url, CompilationMode mode, QObject *parent = Q_NULLPTR);
     virtual ~QQmlComponent();
 
     enum Status { Null, Ready, Loading, Error };
@@ -90,12 +90,12 @@ public:
 
     QUrl url() const;
 
-    virtual QObject *create(QQmlContext *context = 0);
+    virtual QObject *create(QQmlContext *context = Q_NULLPTR);
     virtual QObject *beginCreate(QQmlContext *);
     virtual void completeCreate();
 
-    void create(QQmlIncubator &, QQmlContext *context = 0,
-                QQmlContext *forContext = 0);
+    void create(QQmlIncubator &, QQmlContext *context = Q_NULLPTR,
+                QQmlContext *forContext = Q_NULLPTR);
 
     QQmlContext *creationContext() const;