Replace ERR_FAIL_COND with ERR_FAIL_NULL where applicable

core/extension/gdextension.cpp

@@ -776,7 +776,7 @@ void GDExtension::initialize_library(InitializationLevel p_level) {
 
 	level_initialized = int32_t(p_level);
 
-	ERR_FAIL_COND(initialization.initialize == nullptr);
+	ERR_FAIL_NULL(initialization.initialize);
 
 	initialization.initialize(initialization.userdata, GDExtensionInitializationLevel(p_level));
 }

core/io/file_access_zip.cpp

@@ -110,7 +110,7 @@ static void godot_free(voidpf opaque, voidpf address) {
 } // extern "C"
 
 void ZipArchive::close_handle(unzFile p_file) const {
-	ERR_FAIL_COND_MSG(!p_file, "Cannot close a file if none is open.");
+	ERR_FAIL_NULL_MSG(p_file, "Cannot close a file if none is open.");
 	unzCloseCurrentFile(p_file);
 	unzClose(p_file);
 }
@@ -136,7 +136,7 @@ unzFile ZipArchive::get_file_handle(String p_file) const {
 	io.free_mem = godot_free;
 
 	unzFile pkg = unzOpen2(packages[file.package].filename.utf8().get_data(), &io);
-	ERR_FAIL_COND_V_MSG(!pkg, nullptr, "Cannot open file '" + packages[file.package].filename + "'.");
+	ERR_FAIL_NULL_V_MSG(pkg, nullptr, "Cannot open file '" + packages[file.package].filename + "'.");
 	int unz_err = unzGoToFilePos(pkg, &file.file_pos);
 	if (unz_err != UNZ_OK || unzOpenCurrentFile(pkg) != UNZ_OK) {
 		unzClose(pkg);
@@ -168,7 +168,7 @@ bool ZipArchive::try_open_pack(const String &p_path, bool p_replace_files, uint6
 	io.zerror_file = godot_testerror;
 
 	unzFile zfile = unzOpen2(p_path.utf8().get_data(), &io);
-	ERR_FAIL_COND_V(!zfile, false);
+	ERR_FAIL_NULL_V(zfile, false);
 
 	unz_global_info64 gi;
 	int err = unzGetGlobalInfo64(zfile, &gi);
@@ -241,7 +241,7 @@ Error FileAccessZip::open_internal(const String &p_path, int p_mode_flags) {
 	ZipArchive *arch = ZipArchive::get_singleton();
 	ERR_FAIL_NULL_V(arch, FAILED);
 	zfile = arch->get_file_handle(p_path);
-	ERR_FAIL_COND_V(!zfile, FAILED);
+	ERR_FAIL_NULL_V(zfile, FAILED);
 
 	int err = unzGetCurrentFileInfo64(zfile, &file_info, nullptr, 0, nullptr, 0, nullptr, 0);
 	ERR_FAIL_COND_V(err != UNZ_OK, FAILED);
@@ -265,28 +265,28 @@ bool FileAccessZip::is_open() const {
 }
 
 void FileAccessZip::seek(uint64_t p_position) {
-	ERR_FAIL_COND(!zfile);
+	ERR_FAIL_NULL(zfile);
 
 	unzSeekCurrentFile(zfile, p_position);
 }
 
 void FileAccessZip::seek_end(int64_t p_position) {
-	ERR_FAIL_COND(!zfile);
+	ERR_FAIL_NULL(zfile);
 	unzSeekCurrentFile(zfile, get_length() + p_position);
 }
 
 uint64_t FileAccessZip::get_position() const {
-	ERR_FAIL_COND_V(!zfile, 0);
+	ERR_FAIL_NULL_V(zfile, 0);
 	return unztell(zfile);
 }
 
 uint64_t FileAccessZip::get_length() const {
-	ERR_FAIL_COND_V(!zfile, 0);
+	ERR_FAIL_NULL_V(zfile, 0);
 	return file_info.uncompressed_size;
 }
 
 bool FileAccessZip::eof_reached() const {
-	ERR_FAIL_COND_V(!zfile, true);
+	ERR_FAIL_NULL_V(zfile, true);
 
 	return at_eof;
 }
@@ -299,7 +299,7 @@ uint8_t FileAccessZip::get_8() const {
 
 uint64_t FileAccessZip::get_buffer(uint8_t *p_dst, uint64_t p_length) const {
 	ERR_FAIL_COND_V(!p_dst && p_length > 0, -1);
-	ERR_FAIL_COND_V(!zfile, -1);
+	ERR_FAIL_NULL_V(zfile, -1);
 
 	at_eof = unzeof(zfile);
 	if (at_eof) {

core/object/callable_method_pointer.h

@@ -99,7 +99,7 @@ class CallableCustomMethodPointer : public CallableCustomMethodPointerBase {
 
 	virtual void call(const Variant **p_arguments, int p_argcount, Variant &r_return_value, Callable::CallError &r_call_error) const {
 #ifdef DEBUG_ENABLED
-		ERR_FAIL_COND_MSG(ObjectDB::get_instance(ObjectID(data.object_id)) == nullptr, "Invalid Object id '" + uitos(data.object_id) + "', can't call method.");
+		ERR_FAIL_NULL_MSG(ObjectDB::get_instance(ObjectID(data.object_id)), "Invalid Object id '" + uitos(data.object_id) + "', can't call method.");
 #endif
 		call_with_variant_args(data.instance, data.method, p_arguments, p_argcount, r_call_error);
 	}
@@ -154,7 +154,7 @@ class CallableCustomMethodPointerRet : public CallableCustomMethodPointerBase {
 
 	virtual void call(const Variant **p_arguments, int p_argcount, Variant &r_return_value, Callable::CallError &r_call_error) const {
 #ifdef DEBUG_ENABLED
-		ERR_FAIL_COND_MSG(ObjectDB::get_instance(ObjectID(data.object_id)) == nullptr, "Invalid Object id '" + uitos(data.object_id) + "', can't call method.");
+		ERR_FAIL_NULL_MSG(ObjectDB::get_instance(ObjectID(data.object_id)), "Invalid Object id '" + uitos(data.object_id) + "', can't call method.");
 #endif
 		call_with_variant_args_ret(data.instance, data.method, p_arguments, p_argcount, r_return_value, r_call_error);
 	}
@@ -209,7 +209,7 @@ class CallableCustomMethodPointerRetC : public CallableCustomMethodPointerBase {
 
 	virtual void call(const Variant **p_arguments, int p_argcount, Variant &r_return_value, Callable::CallError &r_call_error) const override {
 #ifdef DEBUG_ENABLED
-		ERR_FAIL_COND_MSG(ObjectDB::get_instance(ObjectID(data.object_id)) == nullptr, "Invalid Object id '" + uitos(data.object_id) + "', can't call method.");
+		ERR_FAIL_NULL_MSG(ObjectDB::get_instance(ObjectID(data.object_id)), "Invalid Object id '" + uitos(data.object_id) + "', can't call method.");
 #endif
 		call_with_variant_args_retc(data.instance, data.method, p_arguments, p_argcount, r_return_value, r_call_error);
 	}

core/variant/variant.cpp

@@ -2117,7 +2117,7 @@ Variant::operator ::RID() const {
 	} else if (type == OBJECT && _get_obj().obj) {
 #ifdef DEBUG_ENABLED
 		if (EngineDebugger::is_active()) {
-			ERR_FAIL_COND_V_MSG(ObjectDB::get_instance(_get_obj().id) == nullptr, ::RID(), "Invalid pointer (object was freed).");
+			ERR_FAIL_NULL_V_MSG(ObjectDB::get_instance(_get_obj().id), ::RID(), "Invalid pointer (object was freed).");
 		}
 #endif
 		Callable::CallError ce;

drivers/gles3/rasterizer_canvas_gles3.cpp

@@ -1236,7 +1236,7 @@ void RasterizerCanvasGLES3::_record_item_commands(const Item *p_item, RID p_rend
 }
 
 void RasterizerCanvasGLES3::_render_batch(Light *p_lights, uint32_t p_index) {
-	ERR_FAIL_COND(!state.canvas_instance_batches[state.current_batch_index].command);
+	ERR_FAIL_NULL(state.canvas_instance_batches[state.current_batch_index].command);
 
 	// Used by Polygon and Mesh.
 	static const GLenum prim[5] = { GL_POINTS, GL_LINES, GL_LINE_STRIP, GL_TRIANGLES, GL_TRIANGLE_STRIP };
@@ -2157,7 +2157,7 @@ void RasterizerCanvasGLES3::_bind_canvas_texture(RID p_texture, RS::CanvasItemTe
 	GLES3::Texture *t = texture_storage->get_texture(p_texture);
 
 	if (t) {
-		ERR_FAIL_COND(!t->canvas_texture);
+		ERR_FAIL_NULL(t->canvas_texture);
 		ct = t->canvas_texture;
 		if (t->render_target) {
 			t->render_target->used_in_frame = true;

drivers/gles3/storage/material_storage.cpp

@@ -2396,7 +2396,7 @@ void MaterialStorage::material_set_shader(RID p_material, RID p_shader) {
 		return;
 	}
 
-	ERR_FAIL_COND(shader->data == nullptr);
+	ERR_FAIL_NULL(shader->data);
 
 	material->data = material_data_request_func[shader->mode](shader->data);
 	material->data->self = p_material;

drivers/unix/dir_access_unix.cpp

@@ -339,7 +339,7 @@ Error DirAccessUnix::change_dir(String p_dir) {
 	// prev_dir is the directory we are changing out of
 	String prev_dir;
 	char real_current_dir_name[2048];
-	ERR_FAIL_COND_V(getcwd(real_current_dir_name, 2048) == nullptr, ERR_BUG);
+	ERR_FAIL_NULL_V(getcwd(real_current_dir_name, 2048), ERR_BUG);
 	if (prev_dir.parse_utf8(real_current_dir_name) != OK) {
 		prev_dir = real_current_dir_name; //no utf8, maybe latin?
 	}
@@ -361,7 +361,7 @@ Error DirAccessUnix::change_dir(String p_dir) {
 
 	String base = _get_root_path();
 	if (!base.is_empty() && !try_dir.begins_with(base)) {
-		ERR_FAIL_COND_V(getcwd(real_current_dir_name, 2048) == nullptr, ERR_BUG);
+		ERR_FAIL_NULL_V(getcwd(real_current_dir_name, 2048), ERR_BUG);
 		String new_dir;
 		new_dir.parse_utf8(real_current_dir_name);
 
@@ -496,7 +496,7 @@ DirAccessUnix::DirAccessUnix() {
 
 	// set current directory to an absolute path of the current directory
 	char real_current_dir_name[2048];
-	ERR_FAIL_COND(getcwd(real_current_dir_name, 2048) == nullptr);
+	ERR_FAIL_NULL(getcwd(real_current_dir_name, 2048));
 	if (current_dir.parse_utf8(real_current_dir_name) != OK) {
 		current_dir = real_current_dir_name;
 	}

drivers/vulkan/vulkan_context.cpp

@@ -1487,7 +1487,7 @@ Error VulkanContext::_create_physical_device(VkSurfaceKHR p_surface) {
 #define GET_INSTANCE_PROC_ADDR(inst, entrypoint)                                            \
 	{                                                                                       \
 		fp##entrypoint = (PFN_vk##entrypoint)vkGetInstanceProcAddr(inst, "vk" #entrypoint); \
-		ERR_FAIL_COND_V_MSG(fp##entrypoint == nullptr, ERR_CANT_CREATE,                     \
+		ERR_FAIL_NULL_V_MSG(fp##entrypoint, ERR_CANT_CREATE,                                \
 				"vkGetInstanceProcAddr failed to find vk" #entrypoint);                     \
 	}
 
@@ -1689,7 +1689,7 @@ Error VulkanContext::_initialize_queues(VkSurfaceKHR p_surface) {
 		if (!g_gdpa)                                                                              \
 			g_gdpa = (PFN_vkGetDeviceProcAddr)vkGetInstanceProcAddr(inst, "vkGetDeviceProcAddr"); \
 		fp##entrypoint = (PFN_vk##entrypoint)g_gdpa(dev, "vk" #entrypoint);                       \
-		ERR_FAIL_COND_V_MSG(fp##entrypoint == nullptr, ERR_CANT_CREATE,                           \
+		ERR_FAIL_NULL_V_MSG(fp##entrypoint, ERR_CANT_CREATE,                                      \
 				"vkGetDeviceProcAddr failed to find vk" #entrypoint);                             \
 	}
 

editor/animation_track_editor.cpp

@@ -3903,7 +3903,7 @@ void AnimationTrackEditor::insert_value_key(const String &p_property, const Vari
 	ERR_FAIL_NULL(root);
 	ERR_FAIL_COND(history->get_path_size() == 0);
 	Object *obj = ObjectDB::get_instance(history->get_path_object(0));
-	ERR_FAIL_COND(!Object::cast_to<Node>(obj));
+	ERR_FAIL_NULL(Object::cast_to<Node>(obj));
 
 	// Let's build a node path.
 	Node *node = Object::cast_to<Node>(obj);

editor/export/export_template_manager.cpp

@@ -686,7 +686,7 @@ Error ExportTemplateManager::install_android_template_from_file(const String &p_
 	zlib_filefunc_def io = zipio_create_io(&io_fa);
 
 	unzFile pkg = unzOpen2(p_file.utf8().get_data(), &io);
-	ERR_FAIL_COND_V_MSG(!pkg, ERR_CANT_OPEN, "Android sources not in ZIP format.");
+	ERR_FAIL_NULL_V_MSG(pkg, ERR_CANT_OPEN, "Android sources not in ZIP format.");
 
 	int ret = unzGoToFirstFile(pkg);
 	int total_files = 0;

editor/import/collada.cpp

@@ -2197,7 +2197,7 @@ bool Collada::_move_geometry_to_skeletons(VisualScene *p_vscene, Node *p_node, L
 			ERR_FAIL_COND_V(!state.scene_map.has(nodeid), false); //weird, it should have it...
 			NodeJoint *nj = dynamic_cast<NodeJoint *>(state.scene_map[nodeid]);
 			ERR_FAIL_NULL_V(nj, false);
-			ERR_FAIL_COND_V(!nj->owner, false); //weird, node should have a skeleton owner
+			ERR_FAIL_NULL_V(nj->owner, false); // Weird, node should have a skeleton owner.
 
 			NodeSkeleton *sk = nj->owner;
 

editor/import/resource_importer_shader_file.cpp

@@ -96,7 +96,7 @@ Error ResourceImporterShaderFile::import(const String &p_source_file, const Stri
 	Error err;
 	Ref<FileAccess> file = FileAccess::open(p_source_file, FileAccess::READ, &err);
 	ERR_FAIL_COND_V(err != OK, ERR_CANT_OPEN);
-	ERR_FAIL_COND_V(!file.operator->(), ERR_CANT_OPEN);
+	ERR_FAIL_COND_V(!file.is_valid(), ERR_CANT_OPEN);
 
 	String file_txt = file->get_as_utf8_string();
 	Ref<RDShaderFile> shader_file;

editor/plugins/script_text_editor.cpp

@@ -779,7 +779,7 @@ void ScriptEditor::_update_modified_scripts_for_external_editor(Ref<Script> p_fo
 		return;
 	}
 
-	ERR_FAIL_COND(!get_tree());
+	ERR_FAIL_NULL(get_tree());
 
 	HashSet<Ref<Script>> scripts;
 

editor/plugins/skeleton_3d_editor_plugin.cpp

@@ -363,7 +363,7 @@ void Skeleton3DEditor::pose_to_rest(const bool p_all_bones) {
 
 void Skeleton3DEditor::create_physical_skeleton() {
 	EditorUndoRedoManager *ur = EditorUndoRedoManager::get_singleton();
-	ERR_FAIL_COND(!get_tree());
+	ERR_FAIL_NULL(get_tree());
 	Node *owner = get_tree()->get_edited_scene_root();
 
 	const int bone_count = skeleton->get_bone_count();

editor/plugins/version_control_editor_plugin.cpp

@@ -44,7 +44,7 @@
 #include "scene/gui/separator.h"
 
 #define CHECK_PLUGIN_INITIALIZED() \
-	ERR_FAIL_COND_MSG(!EditorVCSInterface::get_singleton(), "No VCS plugin is initialized. Select a Version Control Plugin from Project menu.");
+	ERR_FAIL_NULL_MSG(EditorVCSInterface::get_singleton(), "No VCS plugin is initialized. Select a Version Control Plugin from Project menu.");
 
 VersionControlEditorPlugin *VersionControlEditorPlugin::singleton = nullptr;
 

editor/project_manager.cpp

@@ -397,7 +397,7 @@ void ProjectDialog::_nonempty_confirmation_ok_pressed() {
 }
 
 void ProjectDialog::_renderer_selected() {
-	ERR_FAIL_COND(!renderer_button_group->get_pressed_button());
+	ERR_FAIL_NULL(renderer_button_group->get_pressed_button());
 
 	String renderer_type = renderer_button_group->get_pressed_button()->get_meta(SNAME("rendering_method"));
 

editor/scene_tree_dock.cpp

@@ -651,8 +651,8 @@ void SceneTreeDock::_tool_selected(int p_tool, bool p_confirm_override) {
 				Node *top_node = selection[i];
 				Node *bottom_node = selection[selection.size() - 1 - i];
 
-				ERR_FAIL_COND(!top_node->get_parent());
-				ERR_FAIL_COND(!bottom_node->get_parent());
+				ERR_FAIL_NULL(top_node->get_parent());
+				ERR_FAIL_NULL(bottom_node->get_parent());
 
 				int bottom_node_pos = bottom_node->get_index(false);
 				int top_node_pos_next = top_node->get_index(false) + (MOVING_DOWN ? 1 : -1);

modules/enet/enet_connection.cpp

@@ -252,7 +252,7 @@ int ENetConnection::get_max_channels() const {
 
 int ENetConnection::get_local_port() const {
 	ERR_FAIL_NULL_V_MSG(host, 0, "The ENetConnection instance isn't currently active.");
-	ERR_FAIL_COND_V_MSG(!(host->socket), 0, "The ENetConnection instance isn't currently bound");
+	ERR_FAIL_NULL_V_MSG(host->socket, 0, "The ENetConnection instance isn't currently bound.");
 	ENetAddress address;
 	ERR_FAIL_COND_V_MSG(enet_socket_get_address(host->socket, &address), 0, "Unable to get socket address");
 	return address.port;
@@ -344,7 +344,7 @@ void ENetConnection::_broadcast(int p_channel, PackedByteArray p_packet, int p_f
 
 void ENetConnection::socket_send(const String &p_address, int p_port, const PackedByteArray &p_packet) {
 	ERR_FAIL_NULL_MSG(host, "The ENetConnection instance isn't currently active.");
-	ERR_FAIL_COND_MSG(!(host->socket), "The ENetConnection instance isn't currently bound");
+	ERR_FAIL_NULL_MSG(host->socket, "The ENetConnection instance isn't currently bound.");
 	ERR_FAIL_COND_MSG(p_port < 1 || p_port > 65535, "The remote port number must be between 1 and 65535 (inclusive).");
 
 	IPAddress ip;

modules/gdscript/gdscript_parser.cpp

@@ -5410,7 +5410,7 @@ void GDScriptParser::TreePrinter::print_while(WhileNode *p_while) {
 }
 
 void GDScriptParser::TreePrinter::print_tree(const GDScriptParser &p_parser) {
-	ERR_FAIL_COND_MSG(p_parser.get_tree() == nullptr, "Parse the code before printing the parse tree.");
+	ERR_FAIL_NULL_MSG(p_parser.get_tree(), "Parse the code before printing the parse tree.");
 
 	if (p_parser.is_tool()) {
 		push_line("@tool");

modules/mono/managed_callable.cpp

@@ -89,7 +89,7 @@ void ManagedCallable::call(const Variant **p_arguments, int p_argcount, Variant
 	r_call_error.error = Callable::CallError::CALL_ERROR_INVALID_METHOD; // Can't find anything better
 	r_return_value = Variant();
 
-	ERR_FAIL_COND(delegate_handle.value == nullptr);
+	ERR_FAIL_NULL(delegate_handle.value);
 
 	GDMonoCache::managed_callbacks.DelegateUtils_InvokeWithVariantArgs(
 			delegate_handle, trampoline, p_arguments, p_argcount, &r_return_value);

modules/openxr/util.h

@@ -61,13 +61,13 @@
 #define GDEXTENSION_INIT_XR_FUNC(name)                                                              \
 	do {                                                                                            \
 		name##_ptr = reinterpret_cast<PFN_##name>(get_openxr_api()->get_instance_proc_addr(#name)); \
-		ERR_FAIL_COND(name##_ptr == nullptr);                                                       \
+		ERR_FAIL_NULL(name##_ptr);                                                                  \
 	} while (0)
 
 #define GDEXTENSION_INIT_XR_FUNC_V(name)                                                            \
 	do {                                                                                            \
 		name##_ptr = reinterpret_cast<PFN_##name>(get_openxr_api()->get_instance_proc_addr(#name)); \
-		ERR_FAIL_COND_V(name##_ptr == nullptr, false);                                              \
+		ERR_FAIL_NULL_V(name##_ptr, false);                                                         \
 	} while (0)
 
 #define EXT_PROTO_XRRESULT_FUNC1(func_name, arg1_type, arg1)                    \

modules/text_server_adv/text_server_adv.cpp

@@ -4084,7 +4084,7 @@ bool TextServerAdvanced::_shaped_text_add_string(const RID &p_shaped, const Stri
 
 	MutexLock lock(sd->mutex);
 	for (int i = 0; i < p_fonts.size(); i++) {
-		ERR_FAIL_COND_V(!_get_font_data(p_fonts[i]), false);
+		ERR_FAIL_NULL_V(_get_font_data(p_fonts[i]), false);
 	}
 
 	if (p_text.is_empty()) {

modules/text_server_fb/text_server_fb.cpp

@@ -2939,7 +2939,7 @@ bool TextServerFallback::_shaped_text_add_string(const RID &p_shaped, const Stri
 	ERR_FAIL_COND_V(p_size <= 0, false);
 
 	for (int i = 0; i < p_fonts.size(); i++) {
-		ERR_FAIL_COND_V(!_get_font_data(p_fonts[i]), false);
+		ERR_FAIL_NULL_V(_get_font_data(p_fonts[i]), false);
 	}
 
 	if (p_text.is_empty()) {

platform/ios/display_server_ios.mm

@@ -317,37 +317,37 @@
 }
 
 bool DisplayServerIOS::tts_is_speaking() const {
-	ERR_FAIL_COND_V_MSG(!tts, false, "Enable the \"audio/general/text_to_speech\" project setting to use text-to-speech.");
+	ERR_FAIL_NULL_V_MSG(tts, false, "Enable the \"audio/general/text_to_speech\" project setting to use text-to-speech.");
 	return [tts isSpeaking];
 }
 
 bool DisplayServerIOS::tts_is_paused() const {
-	ERR_FAIL_COND_V_MSG(!tts, false, "Enable the \"audio/general/text_to_speech\" project setting to use text-to-speech.");
+	ERR_FAIL_NULL_V_MSG(tts, false, "Enable the \"audio/general/text_to_speech\" project setting to use text-to-speech.");
 	return [tts isPaused];
 }
 
 TypedArray<Dictionary> DisplayServerIOS::tts_get_voices() const {
-	ERR_FAIL_COND_V_MSG(!tts, TypedArray<Dictionary>(), "Enable the \"audio/general/text_to_speech\" project setting to use text-to-speech.");
+	ERR_FAIL_NULL_V_MSG(tts, TypedArray<Dictionary>(), "Enable the \"audio/general/text_to_speech\" project setting to use text-to-speech.");
 	return [tts getVoices];
 }
 
 void DisplayServerIOS::tts_speak(const String &p_text, const String &p_voice, int p_volume, float p_pitch, float p_rate, int p_utterance_id, bool p_interrupt) {
-	ERR_FAIL_COND_MSG(!tts, "Enable the \"audio/general/text_to_speech\" project setting to use text-to-speech.");
+	ERR_FAIL_NULL_MSG(tts, "Enable the \"audio/general/text_to_speech\" project setting to use text-to-speech.");
 	[tts speak:p_text voice:p_voice volume:p_volume pitch:p_pitch rate:p_rate utterance_id:p_utterance_id interrupt:p_interrupt];
 }
 
 void DisplayServerIOS::tts_pause() {
-	ERR_FAIL_COND_MSG(!tts, "Enable the \"audio/general/text_to_speech\" project setting to use text-to-speech.");
+	ERR_FAIL_NULL_MSG(tts, "Enable the \"audio/general/text_to_speech\" project setting to use text-to-speech.");
 	[tts pauseSpeaking];
 }
 
 void DisplayServerIOS::tts_resume() {
-	ERR_FAIL_COND_MSG(!tts, "Enable the \"audio/general/text_to_speech\" project setting to use text-to-speech.");
+	ERR_FAIL_NULL_MSG(tts, "Enable the \"audio/general/text_to_speech\" project setting to use text-to-speech.");
 	[tts resumeSpeaking];
 }
 
 void DisplayServerIOS::tts_stop() {
-	ERR_FAIL_COND_MSG(!tts, "Enable the \"audio/general/text_to_speech\" project setting to use text-to-speech.");
+	ERR_FAIL_NULL_MSG(tts, "Enable the \"audio/general/text_to_speech\" project setting to use text-to-speech.");
 	[tts stopSpeaking];
 }