Codechange: Use null pointer literal instead of the NULL macro

src/os/macosx/string_osx.cpp

@@ -22,7 +22,7 @@
 
 #if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5)
 /** Cached current locale. */
-static CFLocaleRef _osx_locale = NULL;
+static CFLocaleRef _osx_locale = nullptr;
 /** CoreText cache for font information, cleared when OTTD changes fonts. */
 static CTFontRef _font_cache[FS_END];
 
@@ -125,21 +125,21 @@ static CGFloat SpriteFontGetWidth(void *ref_con)
 }
 
 static CTRunDelegateCallbacks _sprite_font_callback = {
-	kCTRunDelegateCurrentVersion, NULL, NULL, NULL,
+	kCTRunDelegateCurrentVersion, nullptr, nullptr, nullptr,
 	&SpriteFontGetWidth
 };
 
 /* static */ ParagraphLayouter *CoreTextParagraphLayoutFactory::GetParagraphLayout(CharType *buff, CharType *buff_end, FontMap &fontMapping)
 {
-	if (!MacOSVersionIsAtLeast(10, 5, 0)) return NULL;
+	if (!MacOSVersionIsAtLeast(10, 5, 0)) return nullptr;
 
 	/* Can't layout an empty string. */
 	ptrdiff_t length = buff_end - buff;
-	if (length == 0) return NULL;
+	if (length == 0) return nullptr;
 
 	/* Can't layout our in-built sprite fonts. */
 	for (const auto &i : fontMapping) {
-		if (i.second->fc->IsBuiltInFont()) return NULL;
+		if (i.second->fc->IsBuiltInFont()) return nullptr;
 	}
 
 	/* Make attributed string with embedded font information. */
@@ -156,10 +156,10 @@ static CTRunDelegateCallbacks _sprite_font_callback = {
 	for (const auto &i : fontMapping) {
 		if (i.first - last == 0) continue;
 
-		if (_font_cache[i.second->fc->GetSize()] == NULL) {
+		if (_font_cache[i.second->fc->GetSize()] == nullptr) {
 			/* Cache font information. */
 			CFStringRef font_name = CFStringCreateWithCString(kCFAllocatorDefault, i.second->fc->GetFontName(), kCFStringEncodingUTF8);
-			_font_cache[i.second->fc->GetSize()] = CTFontCreateWithName(font_name, i.second->fc->GetFontSize(), NULL);
+			_font_cache[i.second->fc->GetSize()] = CTFontCreateWithName(font_name, i.second->fc->GetFontSize(), nullptr);
 			CFRelease(font_name);
 		}
 		CFAttributedStringSetAttribute(str, CFRangeMake(last, i.first - last), kCTFontAttributeName, _font_cache[i.second->fc->GetSize()]);
@@ -185,12 +185,12 @@ static CTRunDelegateCallbacks _sprite_font_callback = {
 	CTTypesetterRef typesetter = CTTypesetterCreateWithAttributedString(str);
 	CFRelease(str);
 
-	return typesetter != NULL ? new CoreTextParagraphLayout(typesetter, buff, length, fontMapping) : NULL;
+	return typesetter != nullptr ? new CoreTextParagraphLayout(typesetter, buff, length, fontMapping) : nullptr;
 }
 
 /* virtual */ std::unique_ptr<const ParagraphLayouter::Line> CoreTextParagraphLayout::NextLine(int max_width)
 {
-	if (this->cur_offset >= this->length) return NULL;
+	if (this->cur_offset >= this->length) return nullptr;
 
 	/* Get line break position, trying word breaking first and breaking somewhere if that doesn't work. */
 	CFIndex len = CTTypesetterSuggestLineBreak(this->typesetter, this->cur_offset, max_width);
@@ -200,7 +200,7 @@ static CTRunDelegateCallbacks _sprite_font_callback = {
 	CTLineRef line = CTTypesetterCreateLine(this->typesetter, CFRangeMake(this->cur_offset, len));
 	this->cur_offset += len;
 
-	return std::unique_ptr<const Line>(line != NULL ? new CoreTextLine(line, this->font_map, this->text_buffer) : NULL);
+	return std::unique_ptr<const Line>(line != nullptr ? new CoreTextLine(line, this->font_map, this->text_buffer) : nullptr);
 }
 
 CoreTextParagraphLayout::CoreTextVisualRun::CoreTextVisualRun(CTRunRef run, Font *font, const CoreTextParagraphLayoutFactory::CharType *buff) : font(font)
@@ -233,7 +233,7 @@ CoreTextParagraphLayout::CoreTextVisualRun::CoreTextVisualRun(CTRunRef run, Font
 			this->positions[i * 2 + 1] = pts[i].y;
 		}
 	}
-	this->total_advance = (int)CTRunGetTypographicBounds(run, CFRangeMake(0, 0), NULL, NULL, NULL);
+	this->total_advance = (int)CTRunGetTypographicBounds(run, CFRangeMake(0, 0), nullptr, nullptr, nullptr);
 	this->positions[this->glyphs.size() * 2] = this->positions[0] + this->total_advance;
 }
 
@@ -271,9 +271,9 @@ int CoreTextParagraphLayout::CoreTextLine::GetWidth() const
 /** Delete CoreText font reference for a specific font size. */
 void MacOSResetScriptCache(FontSize size)
 {
-	if (_font_cache[size] != NULL) {
+	if (_font_cache[size] != nullptr) {
 		CFRelease(_font_cache[size]);
-		_font_cache[size] = NULL;
+		_font_cache[size] = nullptr;
 	}
 }
 
@@ -282,7 +282,7 @@ void MacOSSetCurrentLocaleName(const char *iso_code)
 {
 	if (!MacOSVersionIsAtLeast(10, 5, 0)) return;
 
-	if (_osx_locale != NULL) CFRelease(_osx_locale);
+	if (_osx_locale != nullptr) CFRelease(_osx_locale);
 
 	CFStringRef iso = CFStringCreateWithCString(kCFAllocatorNull, iso_code, kCFStringEncodingUTF8);
 	_osx_locale = CFLocaleCreate(kCFAllocatorDefault, iso);
@@ -425,7 +425,7 @@ int MacOSStringCompare(const char *s1, const char *s2)
 
 /* static */ StringIterator *OSXStringIterator::Create()
 {
-	if (!MacOSVersionIsAtLeast(10, 5, 0)) return NULL;
+	if (!MacOSVersionIsAtLeast(10, 5, 0)) return nullptr;
 
 	return new OSXStringIterator();
 }
@@ -441,11 +441,11 @@ int MacOSStringCompare(const char *s1, const char *s2)
 
 /* static */ StringIterator *OSXStringIterator::Create()
 {
-	return NULL;
+	return nullptr;
 }
 
 /* static */ ParagraphLayouter *CoreTextParagraphLayoutFactory::GetParagraphLayout(CharType *buff, CharType *buff_end, FontMap &fontMapping)
 {
-	return NULL;
+	return nullptr;
 }
 #endif /* (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5) */