clang-tidy: Use nullptr instead of 0

run-clang-tidy -header-filter='.*' -checks='-*,modernize-use-nullptr' -fix

taglib/ogg/flac/oggflacfile.cpp

@@ -39,8 +39,8 @@ class Ogg::FLAC::File::FilePrivate
 {
 public:
   FilePrivate() :
-    comment(0),
-    properties(0),
+    comment(nullptr),
+    properties(nullptr),
     streamStart(0),
     streamLength(0),
     scanned(false),

taglib/ogg/oggfile.cpp

@@ -49,8 +49,8 @@ class Ogg::File::FilePrivate
 {
 public:
   FilePrivate() :
-    firstPageHeader(0),
-    lastPageHeader(0)
+    firstPageHeader(nullptr),
+    lastPageHeader(nullptr)
   {
     pages.setAutoDelete(true);
   }
@@ -131,12 +131,12 @@ const Ogg::PageHeader *Ogg::File::firstPageHeader()
   if(!d->firstPageHeader) {
     const offset_t firstPageHeaderOffset = find("OggS");
     if(firstPageHeaderOffset < 0)
-      return 0;
+      return nullptr;
 
     d->firstPageHeader = new PageHeader(this, firstPageHeaderOffset);
   }
 
-  return d->firstPageHeader->isValid() ? d->firstPageHeader : 0;
+  return d->firstPageHeader->isValid() ? d->firstPageHeader : nullptr;
 }
 
 const Ogg::PageHeader *Ogg::File::lastPageHeader()
@@ -144,12 +144,12 @@ const Ogg::PageHeader *Ogg::File::lastPageHeader()
   if(!d->lastPageHeader) {
     const offset_t lastPageHeaderOffset = rfind("OggS");
     if(lastPageHeaderOffset < 0)
-      return 0;
+      return nullptr;
 
     d->lastPageHeader = new PageHeader(this, lastPageHeaderOffset);
   }
 
-  return d->lastPageHeader->isValid() ? d->lastPageHeader : 0;
+  return d->lastPageHeader->isValid() ? d->lastPageHeader : nullptr;
 }
 
 bool Ogg::File::save()

taglib/ogg/oggpage.cpp

@@ -100,7 +100,7 @@ unsigned int pageChecksum(const ByteVector &data)
 class Ogg::Page::PagePrivate
 {
 public:
-  PagePrivate(File *f = 0, offset_t pageOffset = -1) :
+  PagePrivate(File *f = nullptr, offset_t pageOffset = -1) :
     file(f),
     fileOffset(pageOffset),
     header(f, pageOffset),

taglib/ogg/oggpageheader.h

@@ -52,7 +52,7 @@ namespace TagLib {
        * create a page with no (and as such, invalid) data that must be set
        * later.
        */
-      PageHeader(File *file = 0, offset_t pageOffset = -1);
+      PageHeader(File *file = nullptr, offset_t pageOffset = -1);
 
       /*!
        * Deletes this instance of the PageHeader.

taglib/ogg/opus/opusfile.cpp

@@ -41,8 +41,8 @@ class Opus::File::FilePrivate
 {
 public:
   FilePrivate() :
-    comment(0),
-    properties(0) {}
+    comment(nullptr),
+    properties(nullptr) {}
 
   ~FilePrivate()
   {

taglib/ogg/speex/speexfile.cpp

@@ -41,8 +41,8 @@ class Speex::File::FilePrivate
 {
 public:
   FilePrivate() :
-    comment(0),
-    properties(0) {}
+    comment(nullptr),
+    properties(nullptr) {}
 
   ~FilePrivate()
   {

taglib/ogg/vorbis/vorbisfile.cpp

@@ -38,8 +38,8 @@ class Vorbis::File::FilePrivate
 {
 public:
   FilePrivate() :
-    comment(0),
-    properties(0) {}
+    comment(nullptr),
+    properties(nullptr) {}
 
   ~FilePrivate()
   {