Code Cleanup: no need to pass empty strings as default values

20 files changed, 38 insertions, 38 deletions

diff --git a/source/blender/editors/curve/editfont.c b/source/blender/editors/curve/editfont.c
index 4b5dbc2faa8..9f97a0aedff 100644
--- a/source/blender/editors/curve/editfont.c
+++ b/source/blender/editors/curve/editfont.c
@@ -1469,7 +1469,7 @@ void FONT_OT_text_insert(wmOperatorType *ot)
 	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
 
 	/* properties */
-	RNA_def_string(ot->srna, "text", "", 0, "Text", "Text to insert at the cursor position");
+	RNA_def_string(ot->srna, "text", NULL, 0, "Text", "Text to insert at the cursor position");
 	RNA_def_boolean(ot->srna, "accent", 0, "Accent mode", "Next typed character will strike through previous, for special character input");
 }
 
diff --git a/source/blender/editors/mask/mask_ops.c b/source/blender/editors/mask/mask_ops.c
index 5bc39282eb5..f6ba4063e90 100644
--- a/source/blender/editors/mask/mask_ops.c
+++ b/source/blender/editors/mask/mask_ops.c
@@ -338,7 +338,7 @@ void MASK_OT_new(wmOperatorType *ot)
 	ot->poll = ED_operator_mask;
 
 	/* properties */
-	RNA_def_string(ot->srna, "name", "", MAX_ID_NAME - 2, "Name", "Name of new mask");
+	RNA_def_string(ot->srna, "name", NULL, MAX_ID_NAME - 2, "Name", "Name of new mask");
 }
 
 /******************** create new masklay *********************/
@@ -373,7 +373,7 @@ void MASK_OT_layer_new(wmOperatorType *ot)
 	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
 
 	/* properties */
-	RNA_def_string(ot->srna, "name", "", MAX_ID_NAME - 2, "Name", "Name of new mask layer");
+	RNA_def_string(ot->srna, "name", NULL, MAX_ID_NAME - 2, "Name", "Name of new mask layer");
 }
 
 /******************** remove mask layer *********************/
diff --git a/source/blender/editors/object/object_add.c b/source/blender/editors/object/object_add.c
index c6dcc0b6723..b2977bb18b0 100644
--- a/source/blender/editors/object/object_add.c
+++ b/source/blender/editors/object/object_add.c
@@ -831,9 +831,9 @@ void OBJECT_OT_drop_named_image(wmOperatorType *ot)
 	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
 
 	/* properties */
-	prop = RNA_def_string(ot->srna, "filepath", "", FILE_MAX, "Filepath", "Path to image file");
+	prop = RNA_def_string(ot->srna, "filepath", NULL, FILE_MAX, "Filepath", "Path to image file");
 	RNA_def_property_flag(prop, PROP_HIDDEN | PROP_SKIP_SAVE);
-	prop = RNA_def_string(ot->srna, "name", "", MAX_ID_NAME - 2, "Name", "Image name to assign");
+	prop = RNA_def_string(ot->srna, "name", NULL, MAX_ID_NAME - 2, "Name", "Image name to assign");
 	RNA_def_property_flag(prop, PROP_HIDDEN | PROP_SKIP_SAVE);
 	ED_object_add_generic_props(ot, FALSE);
 }
@@ -2191,7 +2191,7 @@ void OBJECT_OT_add_named(wmOperatorType *ot)
 	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
 
 	RNA_def_boolean(ot->srna, "linked", 0, "Linked", "Duplicate object but not object data, linking to the original data");
-	RNA_def_string(ot->srna, "name", "Cube", MAX_ID_NAME - 2, "Name", "Object name to add");
+	RNA_def_string(ot->srna, "name", NULL, MAX_ID_NAME - 2, "Name", "Object name to add");
 }
 
 /**************************** Join *************************/
diff --git a/source/blender/editors/object/object_constraint.c b/source/blender/editors/object/object_constraint.c
index e9e7dd282a6..f816d5a0090 100644
--- a/source/blender/editors/object/object_constraint.c
+++ b/source/blender/editors/object/object_constraint.c
@@ -555,7 +555,7 @@ static int edit_constraint_poll(bContext *C)
 
 static void edit_constraint_properties(wmOperatorType *ot)
 {
-	RNA_def_string(ot->srna, "constraint", "", MAX_NAME, "Constraint", "Name of the constraint to edit");
+	RNA_def_string(ot->srna, "constraint", NULL, MAX_NAME, "Constraint", "Name of the constraint to edit");
 	RNA_def_enum(ot->srna, "owner", constraint_owner_items, 0, "Owner", "The owner of this constraint");
 }
 
diff --git a/source/blender/editors/object/object_edit.c b/source/blender/editors/object/object_edit.c
index 5488545f2b1..3e3aedddb78 100644
--- a/source/blender/editors/object/object_edit.c
+++ b/source/blender/editors/object/object_edit.c
@@ -1731,7 +1731,7 @@ void OBJECT_OT_game_property_new(wmOperatorType *ot)
 	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
 
 	RNA_def_enum(ot->srna, "type", gameproperty_type_items, GPROP_FLOAT, "Type", "Type of game property to add");
-	RNA_def_string(ot->srna, "name", "", MAX_NAME, "Name", "Name of the game property to add");
+	RNA_def_string(ot->srna, "name", NULL, MAX_NAME, "Name", "Name of the game property to add");
 }
 
 static int game_property_remove_exec(bContext *C, wmOperator *op)
diff --git a/source/blender/editors/object/object_modifier.c b/source/blender/editors/object/object_modifier.c
index b3e67723e77..92775b250b1 100644
--- a/source/blender/editors/object/object_modifier.c
+++ b/source/blender/editors/object/object_modifier.c
@@ -826,7 +826,7 @@ static int edit_modifier_poll(bContext *C)
 
 static void edit_modifier_properties(wmOperatorType *ot)
 {
-	RNA_def_string(ot->srna, "modifier", "", MAX_NAME, "Modifier", "Name of the modifier to edit");
+	RNA_def_string(ot->srna, "modifier", NULL, MAX_NAME, "Modifier", "Name of the modifier to edit");
 }
 
 static int edit_modifier_invoke_properties(bContext *C, wmOperator *op)
diff --git a/source/blender/editors/object/object_select.c b/source/blender/editors/object/object_select.c
index 8e7e97aad86..1fce3213753 100644
--- a/source/blender/editors/object/object_select.c
+++ b/source/blender/editors/object/object_select.c
@@ -1065,7 +1065,7 @@ void OBJECT_OT_select_same_group(wmOperatorType *ot)
 	/* flags */
 	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
 
-	RNA_def_string(ot->srna, "group", "", MAX_ID_NAME, "Group", "Name of the group to select");
+	RNA_def_string(ot->srna, "group", NULL, MAX_ID_NAME, "Group", "Name of the group to select");
 }
 
 /**************************** Select Mirror ****************************/
diff --git a/source/blender/editors/render/render_internal.c b/source/blender/editors/render/render_internal.c
index deec4225eb9..ae3ccf644a2 100644
--- a/source/blender/editors/render/render_internal.c
+++ b/source/blender/editors/render/render_internal.c
@@ -907,9 +907,9 @@ void RENDER_OT_render(wmOperatorType *ot)
 	RNA_def_boolean(ot->srna, "animation", 0, "Animation", "Render files from the animation range of this scene");
 	RNA_def_boolean(ot->srna, "write_still", 0, "Write Image", "Save rendered the image to the output path (used only when animation is disabled)");
 	RNA_def_boolean(ot->srna, "use_viewport", 0, "Use 3D Viewport", "When inside a 3D viewport, use layers and camera of the viewport");
-	prop = RNA_def_string(ot->srna, "layer", "", RE_MAXNAME, "Render Layer", "Single render layer to re-render (used only when animation is disabled)");
+	prop = RNA_def_string(ot->srna, "layer", NULL, RE_MAXNAME, "Render Layer", "Single render layer to re-render (used only when animation is disabled)");
 	RNA_def_property_flag(prop, PROP_SKIP_SAVE);
-	prop = RNA_def_string(ot->srna, "scene", "", MAX_ID_NAME - 2, "Scene", "Scene to render, current scene if not specified");
+	prop = RNA_def_string(ot->srna, "scene", NULL, MAX_ID_NAME - 2, "Scene", "Scene to render, current scene if not specified");
 	RNA_def_property_flag(prop, PROP_SKIP_SAVE);
 }
 
diff --git a/source/blender/editors/sculpt_paint/paint_image_proj.c b/source/blender/editors/sculpt_paint/paint_image_proj.c
index 385d1aa57ed..9f3743cf28f 100644
--- a/source/blender/editors/sculpt_paint/paint_image_proj.c
+++ b/source/blender/editors/sculpt_paint/paint_image_proj.c
@@ -4544,5 +4544,5 @@ void PAINT_OT_image_from_view(wmOperatorType *ot)
 	/* flags */
 	ot->flag = OPTYPE_REGISTER;
 
-	RNA_def_string_file_name(ot->srna, "filepath", "", FILE_MAX, "File Path", "Name of the file");
+	RNA_def_string_file_name(ot->srna, "filepath", NULL, FILE_MAX, "File Path", "Name of the file");
 }
diff --git a/source/blender/editors/sound/sound_ops.c b/source/blender/editors/sound/sound_ops.c
index 50a90d4428c..168693db60b 100644
--- a/source/blender/editors/sound/sound_ops.c
+++ b/source/blender/editors/sound/sound_ops.c
@@ -787,7 +787,7 @@ static void SOUND_OT_unpack(wmOperatorType *ot)
 
 	/* properties */
 	RNA_def_enum(ot->srna, "method", unpack_method_items, PF_USE_LOCAL, "Method", "How to unpack");
-	RNA_def_string(ot->srna, "id", "", MAX_ID_NAME - 2, "Sound Name", "Sound datablock name to unpack"); /* XXX, weark!, will fail with library, name collisions */
+	RNA_def_string(ot->srna, "id", NULL, MAX_ID_NAME - 2, "Sound Name", "Sound datablock name to unpack"); /* XXX, weark!, will fail with library, name collisions */
 }
 
 /* ******************************************************* */
diff --git a/source/blender/editors/space_clip/tracking_ops.c b/source/blender/editors/space_clip/tracking_ops.c
index 00e470f75f1..1269f9536b6 100644
--- a/source/blender/editors/space_clip/tracking_ops.c
+++ b/source/blender/editors/space_clip/tracking_ops.c
@@ -1522,7 +1522,7 @@ void CLIP_OT_track_markers(wmOperatorType *ot)
 	/* properties */
 	RNA_def_boolean(ot->srna, "backwards", 0, "Backwards", "Do backwards tracking");
 	RNA_def_boolean(ot->srna, "sequence", 0, "Track Sequence", "Track marker during image sequence rather than single image");
-	prop = RNA_def_string(ot->srna, "clip", "", MAX_NAME, "Movie Clip", "Movie Clip to be tracked");
+	prop = RNA_def_string(ot->srna, "clip", NULL, MAX_NAME, "Movie Clip", "Movie Clip to be tracked");
 	RNA_def_property_flag(prop, PROP_SKIP_SAVE);
 }
 
diff --git a/source/blender/editors/space_console/console_ops.c b/source/blender/editors/space_console/console_ops.c
index 0ddaa3444cc..3b1af1acdf8 100644
--- a/source/blender/editors/space_console/console_ops.c
+++ b/source/blender/editors/space_console/console_ops.c
@@ -440,7 +440,7 @@ void CONSOLE_OT_insert(wmOperatorType *ot)
 	ot->poll = ED_operator_console_active;
 
 	/* properties */
-	prop = RNA_def_string(ot->srna, "text", "", 0, "Text", "Text to insert at the cursor position");
+	prop = RNA_def_string(ot->srna, "text", NULL, 0, "Text", "Text to insert at the cursor position");
 	RNA_def_property_flag(prop, PROP_SKIP_SAVE);
 }
 
@@ -825,7 +825,7 @@ void CONSOLE_OT_history_append(wmOperatorType *ot)
 	ot->poll = ED_operator_console_active;
 	
 	/* properties */
-	RNA_def_string(ot->srna, "text", "", 0, "Text", "Text to insert at the cursor position");
+	RNA_def_string(ot->srna, "text", NULL, 0, "Text", "Text to insert at the cursor position");
 	RNA_def_int(ot->srna, "current_character", 0, 0, INT_MAX, "Cursor", "The index of the cursor", 0, 10000);
 	RNA_def_boolean(ot->srna, "remove_duplicates", 0, "Remove Duplicates", "Remove duplicate items in the history");
 }
@@ -880,7 +880,7 @@ void CONSOLE_OT_scrollback_append(wmOperatorType *ot)
 	ot->poll = ED_operator_console_active;
 	
 	/* properties */
-	RNA_def_string(ot->srna, "text", "", 0, "Text", "Text to insert at the cursor position");
+	RNA_def_string(ot->srna, "text", NULL, 0, "Text", "Text to insert at the cursor position");
 	RNA_def_enum(ot->srna, "type", console_line_type_items, CONSOLE_LINE_OUTPUT, "Type", "Console output type");
 }
 
diff --git a/source/blender/editors/space_file/file_ops.c b/source/blender/editors/space_file/file_ops.c
index f4cae0c462f..6f026a4adcd 100644
--- a/source/blender/editors/space_file/file_ops.c
+++ b/source/blender/editors/space_file/file_ops.c
@@ -451,7 +451,7 @@ void FILE_OT_select_bookmark(wmOperatorType *ot)
 	ot->poll = ED_operator_file_active;
 
 	/* properties */
-	prop = RNA_def_string(ot->srna, "dir", "", FILE_MAXDIR, "Dir", "");
+	prop = RNA_def_string(ot->srna, "dir", NULL, FILE_MAXDIR, "Dir", "");
 	RNA_def_property_flag(prop, PROP_SKIP_SAVE);
 }
 
@@ -1161,7 +1161,7 @@ void FILE_OT_directory_new(struct wmOperatorType *ot)
 	ot->exec = file_directory_new_exec;
 	ot->poll = ED_operator_file_active; /* <- important, handler is on window level */
 
-	prop = RNA_def_string_dir_path(ot->srna, "directory", "", FILE_MAX, "Directory", "Name of new directory");
+	prop = RNA_def_string_dir_path(ot->srna, "directory", NULL, FILE_MAX, "Directory", "Name of new directory");
 	RNA_def_property_flag(prop, PROP_SKIP_SAVE);
 	prop = RNA_def_boolean(ot->srna, "open", false, "Open", "Open new directory");
 	RNA_def_property_flag(prop, PROP_SKIP_SAVE);
diff --git a/source/blender/editors/space_image/image_ops.c b/source/blender/editors/space_image/image_ops.c
index ea06e26fb5a..c2046e6b48e 100644
--- a/source/blender/editors/space_image/image_ops.c
+++ b/source/blender/editors/space_image/image_ops.c
@@ -2158,7 +2158,7 @@ void IMAGE_OT_unpack(wmOperatorType *ot)
 	
 	/* properties */
 	RNA_def_enum(ot->srna, "method", unpack_method_items, PF_USE_LOCAL, "Method", "How to unpack");
-	RNA_def_string(ot->srna, "id", "", MAX_ID_NAME - 2, "Image Name", "Image datablock name to unpack"); /* XXX, weark!, will fail with library, name collisions */
+	RNA_def_string(ot->srna, "id", NULL, MAX_ID_NAME - 2, "Image Name", "Image datablock name to unpack"); /* XXX, weark!, will fail with library, name collisions */
 }
 
 /******************** sample image operator ********************/
diff --git a/source/blender/editors/space_info/info_ops.c b/source/blender/editors/space_info/info_ops.c
index ace3b8d5393..ac0023e8cc2 100644
--- a/source/blender/editors/space_info/info_ops.c
+++ b/source/blender/editors/space_info/info_ops.c
@@ -350,7 +350,7 @@ void FILE_OT_unpack_item(wmOperatorType *ot)
 	
 	/* properties */
 	RNA_def_enum(ot->srna, "method", unpack_item_method_items, PF_USE_LOCAL, "Method", "How to unpack");
-	RNA_def_string(ot->srna, "id_name", "", BKE_ST_MAXNAME, "ID name", "Name of ID block to unpack");
+	RNA_def_string(ot->srna, "id_name", NULL, BKE_ST_MAXNAME, "ID name", "Name of ID block to unpack");
 	RNA_def_int(ot->srna, "id_type", ID_IM, 0, INT_MAX, "ID Type", "Identifier type of ID block", 0, INT_MAX);
 }
 
diff --git a/source/blender/editors/space_logic/logic_ops.c b/source/blender/editors/space_logic/logic_ops.c
index dbbe87c3f1e..0d4246144da 100644
--- a/source/blender/editors/space_logic/logic_ops.c
+++ b/source/blender/editors/space_logic/logic_ops.c
@@ -91,8 +91,8 @@ static int edit_actuator_poll(bContext *C)
 
 static void edit_sensor_properties(wmOperatorType *ot)
 {
-	RNA_def_string(ot->srna, "sensor", "", MAX_NAME, "Sensor", "Name of the sensor to edit");
-	RNA_def_string(ot->srna, "object", "", MAX_NAME, "Object", "Name of the object the sensor belongs to");
+	RNA_def_string(ot->srna, "sensor", NULL, MAX_NAME, "Sensor", "Name of the sensor to edit");
+	RNA_def_string(ot->srna, "object", NULL, MAX_NAME, "Object", "Name of the object the sensor belongs to");
 }
 
 static int edit_sensor_invoke_properties(bContext *C, wmOperator *op)
@@ -147,8 +147,8 @@ static bSensor *edit_sensor_property_get(bContext *C, wmOperator *op, Object **o
 
 static void edit_controller_properties(wmOperatorType *ot)
 {
-	RNA_def_string(ot->srna, "controller", "", MAX_NAME, "Controller", "Name of the controller to edit");
-	RNA_def_string(ot->srna, "object", "", MAX_NAME, "Object", "Name of the object the controller belongs to");
+	RNA_def_string(ot->srna, "controller", NULL, MAX_NAME, "Controller", "Name of the controller to edit");
+	RNA_def_string(ot->srna, "object", NULL, MAX_NAME, "Object", "Name of the object the controller belongs to");
 }
 
 static int edit_controller_invoke_properties(bContext *C, wmOperator *op)
@@ -186,8 +186,8 @@ static bController *edit_controller_property_get(bContext *C, wmOperator *op, Ob
 
 static void edit_actuator_properties(wmOperatorType *ot)
 {
-	RNA_def_string(ot->srna, "actuator", "", MAX_NAME, "Actuator", "Name of the actuator to edit");
-	RNA_def_string(ot->srna, "object", "", MAX_NAME, "Object", "Name of the object the actuator belongs to");
+	RNA_def_string(ot->srna, "actuator", NULL, MAX_NAME, "Actuator", "Name of the actuator to edit");
+	RNA_def_string(ot->srna, "object", NULL, MAX_NAME, "Object", "Name of the object the actuator belongs to");
 }
 
 static int edit_actuator_invoke_properties(bContext *C, wmOperator *op)
@@ -332,9 +332,9 @@ static void LOGIC_OT_sensor_add(wmOperatorType *ot)
 	/* properties */
 	ot->prop = prop = RNA_def_enum(ot->srna, "type", DummyRNA_NULL_items, SENS_ALWAYS, "Type", "Type of sensor to add");
 	RNA_def_enum_funcs(prop, rna_Sensor_type_itemf);
-	prop = RNA_def_string(ot->srna, "name", "", MAX_NAME, "Name", "Name of the Sensor to add");
+	prop = RNA_def_string(ot->srna, "name", NULL, MAX_NAME, "Name", "Name of the Sensor to add");
 	RNA_def_property_flag(prop, PROP_SKIP_SAVE);
-	prop = RNA_def_string(ot->srna, "object", "", MAX_NAME, "Object", "Name of the Object to add the Sensor to");
+	prop = RNA_def_string(ot->srna, "object", NULL, MAX_NAME, "Object", "Name of the Object to add the Sensor to");
 	RNA_def_property_flag(prop, PROP_SKIP_SAVE);
 }
 
@@ -451,9 +451,9 @@ static void LOGIC_OT_controller_add(wmOperatorType *ot)
 	
 	/* properties */
 	ot->prop = RNA_def_enum(ot->srna, "type", controller_type_items, CONT_LOGIC_AND, "Type", "Type of controller to add");
-	prop = RNA_def_string(ot->srna, "name", "", MAX_NAME, "Name", "Name of the Controller to add");
+	prop = RNA_def_string(ot->srna, "name", NULL, MAX_NAME, "Name", "Name of the Controller to add");
 	RNA_def_property_flag(prop, PROP_SKIP_SAVE);
-	prop = RNA_def_string(ot->srna, "object", "", MAX_NAME, "Object", "Name of the Object to add the Controller to");
+	prop = RNA_def_string(ot->srna, "object", NULL, MAX_NAME, "Object", "Name of the Object to add the Controller to");
 	RNA_def_property_flag(prop, PROP_SKIP_SAVE);
 }
 
@@ -557,9 +557,9 @@ static void LOGIC_OT_actuator_add(wmOperatorType *ot)
 	/* properties */
 	ot->prop = prop = RNA_def_enum(ot->srna, "type", DummyRNA_NULL_items, CONT_LOGIC_AND, "Type", "Type of actuator to add");
 	RNA_def_enum_funcs(prop, rna_Actuator_type_itemf);
-	prop = RNA_def_string(ot->srna, "name", "", MAX_NAME, "Name", "Name of the Actuator to add");
+	prop = RNA_def_string(ot->srna, "name", NULL, MAX_NAME, "Name", "Name of the Actuator to add");
 	RNA_def_property_flag(prop, PROP_SKIP_SAVE);
-	prop = RNA_def_string(ot->srna, "object", "", MAX_NAME, "Object", "Name of the Object to add the Actuator to");
+	prop = RNA_def_string(ot->srna, "object", NULL, MAX_NAME, "Object", "Name of the Object to add the Actuator to");
 	RNA_def_property_flag(prop, PROP_SKIP_SAVE);
 }
 
diff --git a/source/blender/editors/space_node/node_edit.c b/source/blender/editors/space_node/node_edit.c
index f58bc83e5d2..6ff3b2b256c 100644
--- a/source/blender/editors/space_node/node_edit.c
+++ b/source/blender/editors/space_node/node_edit.c
@@ -757,7 +757,7 @@ static int edit_node_poll(bContext *C)
 static void edit_node_properties(wmOperatorType *ot)
 {
 	/* XXX could node be a context pointer? */
-	RNA_def_string(ot->srna, "node", "", MAX_NAME, "Node", "");
+	RNA_def_string(ot->srna, "node", NULL, MAX_NAME, "Node", "");
 	RNA_def_int(ot->srna, "socket", 0, 0, MAX_SOCKET, "Socket", "", 0, MAX_SOCKET);
 	RNA_def_enum(ot->srna, "in_out", node_socket_in_out_items, SOCK_IN, "Socket Side", "");
 }
diff --git a/source/blender/editors/space_script/script_edit.c b/source/blender/editors/space_script/script_edit.c
index 9df849410f4..5754af2c83c 100644
--- a/source/blender/editors/space_script/script_edit.c
+++ b/source/blender/editors/space_script/script_edit.c
@@ -83,7 +83,7 @@ void SCRIPT_OT_python_file_run(wmOperatorType *ot)
 	ot->exec = run_pyfile_exec;
 	ot->poll = ED_operator_areaactive;
 
-	RNA_def_string_file_path(ot->srna, "filepath", "", FILE_MAX, "Path", "");
+	RNA_def_string_file_path(ot->srna, "filepath", NULL, FILE_MAX, "Path", "");
 }
 
 #ifdef WITH_PYTHON
diff --git a/source/blender/editors/space_text/text_ops.c b/source/blender/editors/space_text/text_ops.c
index 8ba701c8138..752cda8faf8 100644
--- a/source/blender/editors/space_text/text_ops.c
+++ b/source/blender/editors/space_text/text_ops.c
@@ -2933,7 +2933,7 @@ void TEXT_OT_insert(wmOperatorType *ot)
 	ot->poll = text_edit_poll;
 
 	/* properties */
-	prop = RNA_def_string(ot->srna, "text", "", 0, "Text", "Text to insert at the cursor position");
+	prop = RNA_def_string(ot->srna, "text", NULL, 0, "Text", "Text to insert at the cursor position");
 	RNA_def_property_flag(prop, PROP_SKIP_SAVE);
 }
 
diff --git a/source/blender/editors/transform/transform_ops.c b/source/blender/editors/transform/transform_ops.c
index 3a83445ba5f..26e32904976 100644
--- a/source/blender/editors/transform/transform_ops.c
+++ b/source/blender/editors/transform/transform_ops.c
@@ -281,7 +281,7 @@ static void TRANSFORM_OT_create_orientation(struct wmOperatorType *ot)
 	ot->exec   = create_orientation_exec;
 	ot->poll   = ED_operator_areaactive;
 
-	RNA_def_string(ot->srna, "name", "", MAX_NAME, "Name", "Name of the new custom orientation");
+	RNA_def_string(ot->srna, "name", NULL, MAX_NAME, "Name", "Name of the new custom orientation");
 	RNA_def_boolean(ot->srna, "use_view", FALSE, "Use View",
 	                "Use the current view instead of the active object to create the new orientation");
 	RNA_def_boolean(ot->srna, "use", FALSE, "Use after creation", "Select orientation after its creation");