QtCore: Use Q_NULLPTR instead of 0 in smart pointer headers

This is in preparation of adding -Wzero-as-null-pointer-constant (or similar)
to the headers check.

Not caught by the headersclean check, because they are in template code.

Task-number: QTBUG-45291
Change-Id: I7294404225a19a1c58f91e6e47a9d650179ea83c
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/src/corelib/tools/qshareddata.h b/src/corelib/tools/qshareddata.h
index a9f71c7b57..6a0900cf3f 100644
--- a/src/corelib/tools/qshareddata.h
+++ b/src/corelib/tools/qshareddata.h
@@ -79,7 +79,7 @@ public:
     inline bool operator==(const QSharedDataPointer<T> &other) const { return d == other.d; }
     inline bool operator!=(const QSharedDataPointer<T> &other) const { return d != other.d; }
 
-    inline QSharedDataPointer() { d = 0; }
+    inline QSharedDataPointer() { d = Q_NULLPTR; }
     inline ~QSharedDataPointer() { if (d && !d->ref.deref()) delete d; }
 
     explicit QSharedDataPointer(T *data) Q_DECL_NOTHROW;
@@ -145,17 +145,17 @@ public:
         if(d && !d->ref.deref())
             delete d;
 
-        d = 0;
+        d = Q_NULLPTR;
     }
 
-    inline operator bool () const { return d != 0; }
+    inline operator bool () const { return d != Q_NULLPTR; }
 
     inline bool operator==(const QExplicitlySharedDataPointer<T> &other) const { return d == other.d; }
     inline bool operator!=(const QExplicitlySharedDataPointer<T> &other) const { return d != other.d; }
     inline bool operator==(const T *ptr) const { return d == ptr; }
     inline bool operator!=(const T *ptr) const { return d != ptr; }
 
-    inline QExplicitlySharedDataPointer() { d = 0; }
+    inline QExplicitlySharedDataPointer() { d = Q_NULLPTR; }
     inline ~QExplicitlySharedDataPointer() { if (d && !d->ref.deref()) delete d; }
 
     explicit QExplicitlySharedDataPointer(T *data) Q_DECL_NOTHROW;