Codechange: Use null pointer literal instead of the NULL macro

3 files changed, 33 insertions, 33 deletions

diff --git a/src/os/macosx/crashlog_osx.cpp b/src/os/macosx/crashlog_osx.cpp
index c1b321340..16c029639 100644
--- a/src/os/macosx/crashlog_osx.cpp
+++ b/src/os/macosx/crashlog_osx.cpp
@@ -66,7 +66,7 @@ class CrashLogOSX : public CrashLog {
 				" Machine:  %s\n"
 				" Min Ver:  %d\n",
 				ver_maj, ver_min, ver_bug,
-				arch != NULL ? arch->description : "unknown",
+				arch != nullptr ? arch->description : "unknown",
 				MAC_OS_X_VERSION_MIN_REQUIRED
 		);
 	}
@@ -79,7 +79,7 @@ class CrashLogOSX : public CrashLog {
 				" Message: %s\n\n",
 				strsignal(this->signum),
 				this->signum,
-				message == NULL ? "<none>" : message
+				message == nullptr ? "<none>" : message
 		);
 	}
 
@@ -99,14 +99,14 @@ class CrashLogOSX : public CrashLog {
 		frame = (void **)__builtin_frame_address(0);
 #endif
 
-		for (int i = 0; frame != NULL && i < MAX_STACK_FRAMES; i++) {
+		for (int i = 0; frame != nullptr && i < MAX_STACK_FRAMES; i++) {
 			/* Get IP for current stack frame. */
 #if defined(__ppc__) || defined(__ppc64__)
 			void *ip = frame[2];
 #else
 			void *ip = frame[1];
 #endif
-			if (ip == NULL) break;
+			if (ip == nullptr) break;
 
 			/* Print running index. */
 			buffer += seprintf(buffer, last, " [%02d]", i);
@@ -118,7 +118,7 @@ class CrashLogOSX : public CrashLog {
 			if (dl_valid && dli.dli_fname) {
 				/* Valid image name? Extract filename from the complete path. */
 				const char *s = strrchr(dli.dli_fname, '/');
-				if (s != NULL) {
+				if (s != nullptr) {
 					fname = s + 1;
 				} else {
 					fname = dli.dli_fname;
@@ -128,13 +128,13 @@ class CrashLogOSX : public CrashLog {
 			buffer += seprintf(buffer, last, " %-20s " PRINTF_PTR, fname, (uintptr_t)ip);
 
 			/* Print function offset if information is available. */
-			if (dl_valid && dli.dli_sname != NULL && dli.dli_saddr != NULL) {
+			if (dl_valid && dli.dli_sname != nullptr && dli.dli_saddr != nullptr) {
 				/* Try to demangle a possible C++ symbol. */
 				int status = -1;
-				char *func_name = abi::__cxa_demangle(dli.dli_sname, NULL, 0, &status);
+				char *func_name = abi::__cxa_demangle(dli.dli_sname, nullptr, 0, &status);
 
 				long int offset = (intptr_t)ip - (intptr_t)dli.dli_saddr;
-				buffer += seprintf(buffer, last, " (%s + %ld)", func_name != NULL ? func_name : dli.dli_sname, offset);
+				buffer += seprintf(buffer, last, " (%s + %ld)", func_name != nullptr ? func_name : dli.dli_sname, offset);
 
 				free(func_name);
 			}
diff --git a/src/os/macosx/splash.cpp b/src/os/macosx/splash.cpp
index eadb78510..1ddb165b3 100644
--- a/src/os/macosx/splash.cpp
+++ b/src/os/macosx/splash.cpp
@@ -54,7 +54,7 @@ static void PNGAPI png_my_warning(png_structp png_ptr, png_const_charp message)
 void DisplaySplashImage()
 {
 	FILE *f = FioFOpenFile(SPLASH_IMAGE_FILE, "r", BASESET_DIR);
-	if (f == NULL) return;
+	if (f == nullptr) return;
 
 	png_byte header[8];
 	fread(header, sizeof(png_byte), 8, f);
@@ -63,23 +63,23 @@ void DisplaySplashImage()
 		return;
 	}
 
-	png_structp png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, (png_voidp) NULL, png_my_error, png_my_warning);
+	png_structp png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, (png_voidp) nullptr, png_my_error, png_my_warning);
 
-	if (png_ptr == NULL) {
+	if (png_ptr == nullptr) {
 		fclose(f);
 		return;
 	}
 
 	png_infop info_ptr = png_create_info_struct(png_ptr);
-	if (info_ptr == NULL) {
-		png_destroy_read_struct(&png_ptr, (png_infopp)NULL, (png_infopp)NULL);
+	if (info_ptr == nullptr) {
+		png_destroy_read_struct(&png_ptr, (png_infopp)nullptr, (png_infopp)nullptr);
 		fclose(f);
 		return;
 	}
 
 	png_infop end_info = png_create_info_struct(png_ptr);
-	if (end_info == NULL) {
-		png_destroy_read_struct(&png_ptr, &info_ptr, (png_infopp)NULL);
+	if (end_info == nullptr) {
+		png_destroy_read_struct(&png_ptr, &info_ptr, (png_infopp)nullptr);
 		fclose(f);
 		return;
 	}
@@ -93,7 +93,7 @@ void DisplaySplashImage()
 	png_init_io(png_ptr, f);
 	png_set_sig_bytes(png_ptr, 8);
 
-	png_read_png(png_ptr, info_ptr, PNG_TRANSFORM_IDENTITY, NULL);
+	png_read_png(png_ptr, info_ptr, PNG_TRANSFORM_IDENTITY, nullptr);
 
 	uint width      = png_get_image_width(png_ptr, info_ptr);
 	uint height     = png_get_image_height(png_ptr, info_ptr);
diff --git a/src/os/macosx/string_osx.cpp b/src/os/macosx/string_osx.cpp
index 580be3520..6d90b91a8 100644
--- a/src/os/macosx/string_osx.cpp
+++ b/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) */