Tidy nullptr usage

Move away from using 0 as pointer literal.

Done using clang-tidy. This is not complete as
run-clang-tidy can't handle all of qtbase in one go.

Change-Id: I1076a21f32aac0dab078af6f175f7508145eece0
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>

1 files changed, 23 insertions, 23 deletions

diff --git a/src/gui/image/qimage.cpp b/src/gui/image/qimage.cpp
index 869e206524..99d64737c5 100644
--- a/src/gui/image/qimage.cpp
+++ b/src/gui/image/qimage.cpp
@@ -73,7 +73,7 @@ QT_BEGIN_NAMESPACE
 
 static inline bool isLocked(QImageData *data)
 {
-    return data != 0 && data->is_locked;
+    return data != nullptr && data->is_locked;
 }
 
 #if defined(Q_CC_DEC) && defined(__alpha) && (__DECCXX_VER-0 >= 50190001)
@@ -99,15 +99,15 @@ static int next_qimage_serial_number()
 }
 
 QImageData::QImageData()
-    : ref(0), width(0), height(0), depth(0), nbytes(0), devicePixelRatio(1.0), data(0),
+    : ref(0), width(0), height(0), depth(0), nbytes(0), devicePixelRatio(1.0), data(nullptr),
       format(QImage::Format_ARGB32), bytes_per_line(0),
       ser_no(next_qimage_serial_number()),
       detach_no(0),
       dpmx(qt_defaultDpiX() * 100 / qreal(2.54)),
       dpmy(qt_defaultDpiY() * 100 / qreal(2.54)),
       offset(0, 0), own_data(true), ro_data(false), has_alpha_clut(false),
-      is_cached(false), is_locked(false), cleanupFunction(0), cleanupInfo(0),
-      paintEngine(0)
+      is_cached(false), is_locked(false), cleanupFunction(nullptr), cleanupInfo(nullptr),
+      paintEngine(nullptr)
 {
 }
 
@@ -170,7 +170,7 @@ QImageData::~QImageData()
     delete paintEngine;
     if (data && own_data)
         free(data);
-    data = 0;
+    data = nullptr;
 }
 
 #if defined(_M_ARM)
@@ -746,7 +746,7 @@ bool QImageData::checkForAlphaPixels() const
 QImage::QImage() noexcept
     : QPaintDevice()
 {
-    d = 0;
+    d = nullptr;
 }
 
 /*!
@@ -955,7 +955,7 @@ QImage::QImage(const uchar *data, int width, int height, int bytesPerLine, Forma
 QImage::QImage(const QString &fileName, const char *format)
     : QPaintDevice()
 {
-    d = 0;
+    d = nullptr;
     load(fileName, format);
 }
 
@@ -981,10 +981,10 @@ extern bool qt_read_xpm_image_or_array(QIODevice *device, const char * const *so
 QImage::QImage(const char * const xpm[])
     : QPaintDevice()
 {
-    d = 0;
+    d = nullptr;
     if (!xpm)
         return;
-    if (!qt_read_xpm_image_or_array(0, xpm, *this))
+    if (!qt_read_xpm_image_or_array(nullptr, xpm, *this))
         // Issue: Warning because the constructor may be ambigious
         qWarning("QImage::QImage(), XPM is not supported");
 }
@@ -1003,7 +1003,7 @@ QImage::QImage(const QImage &image)
     : QPaintDevice()
 {
     if (image.paintingActive() || isLocked(image.d)) {
-        d = 0;
+        d = nullptr;
         image.copy().swap(*this);
     } else {
         d = image.d;
@@ -1593,13 +1593,13 @@ void QImage::setColor(int i, QRgb c)
 uchar *QImage::scanLine(int i)
 {
     if (!d)
-        return 0;
+        return nullptr;
 
     detach();
 
     // In case detach() ran out of memory
     if (!d)
-        return 0;
+        return nullptr;
 
     return d->data + i * d->bytes_per_line;
 }
@@ -1610,7 +1610,7 @@ uchar *QImage::scanLine(int i)
 const uchar *QImage::scanLine(int i) const
 {
     if (!d)
-        return 0;
+        return nullptr;
 
     Q_ASSERT(i >= 0 && i < height());
     return d->data + i * d->bytes_per_line;
@@ -1633,7 +1633,7 @@ const uchar *QImage::scanLine(int i) const
 const uchar *QImage::constScanLine(int i) const
 {
     if (!d)
-        return 0;
+        return nullptr;
 
     Q_ASSERT(i >= 0 && i < height());
     return d->data + i * d->bytes_per_line;
@@ -1653,12 +1653,12 @@ const uchar *QImage::constScanLine(int i) const
 uchar *QImage::bits()
 {
     if (!d)
-        return 0;
+        return nullptr;
     detach();
 
     // In case detach ran out of memory...
     if (!d)
-        return 0;
+        return nullptr;
 
     return d->data;
 }
@@ -1672,7 +1672,7 @@ uchar *QImage::bits()
 */
 const uchar *QImage::bits() const
 {
-    return d ? d->data : 0;
+    return d ? d->data : nullptr;
 }
 
 
@@ -1688,7 +1688,7 @@ const uchar *QImage::bits() const
 */
 const uchar *QImage::constBits() const
 {
-    return d ? d->data : 0;
+    return d ? d->data : nullptr;
 }
 
 /*!
@@ -3027,11 +3027,11 @@ QImage QImage::createHeuristicMask(bool clipTight) const
     while(!done) {
         done = true;
         ypn = m.scanLine(0);
-        ypc = 0;
+        ypc = nullptr;
         for (y = 0; y < h; y++) {
             ypp = ypc;
             ypc = ypn;
-            ypn = (y == h-1) ? 0 : m.scanLine(y+1);
+            ypn = (y == h-1) ? nullptr : m.scanLine(y+1);
             const QRgb *p = (const QRgb *)scanLine(y);
             for (x = 0; x < w; x++) {
                 // slowness here - it's possible to do six of these tests
@@ -3053,11 +3053,11 @@ QImage QImage::createHeuristicMask(bool clipTight) const
 
     if (!clipTight) {
         ypn = m.scanLine(0);
-        ypc = 0;
+        ypc = nullptr;
         for (y = 0; y < h; y++) {
             ypp = ypc;
             ypc = ypn;
-            ypn = (y == h-1) ? 0 : m.scanLine(y+1);
+            ypn = (y == h-1) ? nullptr : m.scanLine(y+1);
             const QRgb *p = (const QRgb *)scanLine(y);
             for (x = 0; x < w; x++) {
                 if ((*p & 0x00ffffff) != background) {
@@ -4122,7 +4122,7 @@ void QImage::setText(const QString &key, const QString &value)
 QPaintEngine *QImage::paintEngine() const
 {
     if (!d)
-        return 0;
+        return nullptr;
 
     if (!d->paintEngine) {
         QPaintDevice *paintDevice = const_cast<QImage *>(this);