diff --git a/source/blender/editors/curve/editcurve_add.c b/source/blender/editors/curve/editcurve_add.c
index 9dcc51337ad..ceb9aa90aca 100644
--- a/source/blender/editors/curve/editcurve_add.c
+++ b/source/blender/editors/curve/editcurve_add.c
@@ -481,7 +481,7 @@ static int curvesurf_prim_add(bContext *C, wmOperator *op, int type, int isSurf)
 		if (obedit == NULL || obedit->type != OB_CURVE) {
 			Curve *cu;
 
-			obedit = ED_object_add_type(C, OB_CURVE, loc, rot, TRUE, layer);
+			obedit = ED_object_add_type(C, OB_CURVE, loc, rot, true, layer);
 			newob = true;
 
 			cu = (Curve *)obedit->data;
@@ -496,7 +496,7 @@ static int curvesurf_prim_add(bContext *C, wmOperator *op, int type, int isSurf)
 	}
 	else { /* adding surface */
 		if (obedit == NULL || obedit->type != OB_SURF) {
-			obedit = ED_object_add_type(C, OB_SURF, loc, rot, TRUE, layer);
+			obedit = ED_object_add_type(C, OB_SURF, loc, rot, true, layer);
 			newob = true;
 		}
 		else {
@@ -520,7 +520,7 @@ static int curvesurf_prim_add(bContext *C, wmOperator *op, int type, int isSurf)
 	if (newob && enter_editmode)
 		ED_undo_push(C, "Enter Editmode");
 
-	ED_object_new_primitive_matrix(C, obedit, loc, rot, mat, TRUE);
+	ED_object_new_primitive_matrix(C, obedit, loc, rot, mat, true);
 
 	nu = add_nurbs_primitive(C, obedit, mat, type, newob);
 	editnurb = object_editcurve_get(obedit);
@@ -567,7 +567,7 @@ void CURVE_OT_primitive_bezier_curve_add(wmOperatorType *ot)
 	/* flags */
 	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
 
-	ED_object_add_generic_props(ot, TRUE);
+	ED_object_add_generic_props(ot, true);
 }
 
 static int add_primitive_bezier_circle_exec(bContext *C, wmOperator *op)
@@ -589,7 +589,7 @@ void CURVE_OT_primitive_bezier_circle_add(wmOperatorType *ot)
 	/* flags */
 	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
 
-	ED_object_add_generic_props(ot, TRUE);
+	ED_object_add_generic_props(ot, true);
 }
 
 static int add_primitive_nurbs_curve_exec(bContext *C, wmOperator *op)
@@ -611,7 +611,7 @@ void CURVE_OT_primitive_nurbs_curve_add(wmOperatorType *ot)
 	/* flags */
 	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
 
-	ED_object_add_generic_props(ot, TRUE);
+	ED_object_add_generic_props(ot, true);
 }
 
 static int add_primitive_nurbs_circle_exec(bContext *C, wmOperator *op)
@@ -633,7 +633,7 @@ void CURVE_OT_primitive_nurbs_circle_add(wmOperatorType *ot)
 	/* flags */
 	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
 
-	ED_object_add_generic_props(ot, TRUE);
+	ED_object_add_generic_props(ot, true);
 }
 
 static int add_primitive_curve_path_exec(bContext *C, wmOperator *op)
@@ -655,7 +655,7 @@ void CURVE_OT_primitive_nurbs_path_add(wmOperatorType *ot)
 	/* flags */
 	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
 
-	ED_object_add_generic_props(ot, TRUE);
+	ED_object_add_generic_props(ot, true);
 }
 
 /* **************** NURBS surfaces ********************** */
@@ -678,7 +678,7 @@ void SURFACE_OT_primitive_nurbs_surface_curve_add(wmOperatorType *ot)
 	/* flags */
 	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
 
-	ED_object_add_generic_props(ot, TRUE);
+	ED_object_add_generic_props(ot, true);
 }
 
 static int add_primitive_nurbs_surface_circle_exec(bContext *C, wmOperator *op)
@@ -700,7 +700,7 @@ void SURFACE_OT_primitive_nurbs_surface_circle_add(wmOperatorType *ot)
 	/* flags */
 	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
 
-	ED_object_add_generic_props(ot, TRUE);
+	ED_object_add_generic_props(ot, true);
 }
 
 static int add_primitive_nurbs_surface_surface_exec(bContext *C, wmOperator *op)
@@ -722,7 +722,7 @@ void SURFACE_OT_primitive_nurbs_surface_surface_add(wmOperatorType *ot)
 	/* flags */
 	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
 
-	ED_object_add_generic_props(ot, TRUE);
+	ED_object_add_generic_props(ot, true);
 }
 
 static int add_primitive_nurbs_surface_cylinder_exec(bContext *C, wmOperator *op)
@@ -744,7 +744,7 @@ void SURFACE_OT_primitive_nurbs_surface_cylinder_add(wmOperatorType *ot)
 	/* flags */
 	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
 
-	ED_object_add_generic_props(ot, TRUE);
+	ED_object_add_generic_props(ot, true);
 }
 
 static int add_primitive_nurbs_surface_sphere_exec(bContext *C, wmOperator *op)
@@ -766,7 +766,7 @@ void SURFACE_OT_primitive_nurbs_surface_sphere_add(wmOperatorType *ot)
 	/* flags */
 	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
 
-	ED_object_add_generic_props(ot, TRUE);
+	ED_object_add_generic_props(ot, true);
 }
 
 static int add_primitive_nurbs_surface_torus_exec(bContext *C, wmOperator *op)
@@ -788,5 +788,6 @@ void SURFACE_OT_primitive_nurbs_surface_torus_add(wmOperatorType *ot)
 	/* flags */
 	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
 
-	ED_object_add_generic_props(ot, TRUE);
+	ED_object_add_unit_props(ot);
+	ED_object_add_generic_props(ot, true);
 }
diff --git a/source/blender/editors/include/ED_object.h b/source/blender/editors/include/ED_object.h
index 7553cb3699c..e1e65fee848 100644
--- a/source/blender/editors/include/ED_object.h
+++ b/source/blender/editors/include/ED_object.h
@@ -141,14 +141,15 @@ void ED_object_rotation_from_view(struct bContext *C, float rot[3]);
 void ED_object_base_init_transform(struct bContext *C, struct Base *base, const float loc[3], const float rot[3]);
 float ED_object_new_primitive_matrix(struct bContext *C, struct Object *editob,
                                      const float loc[3], const float rot[3], float primmat[4][4],
-                                     int apply_diameter);
+                                     bool apply_diameter);
 
-void ED_object_add_generic_props(struct wmOperatorType *ot, int do_editmode);
-int ED_object_add_generic_get_opts(struct bContext *C, struct wmOperator *op,  float loc[3], float rot[3],
-                                   bool *enter_editmode, unsigned int *layer, bool *is_view_aligned);
+void ED_object_add_unit_props(struct wmOperatorType *ot);
+void ED_object_add_generic_props(struct wmOperatorType *ot, bool do_editmode);
+bool ED_object_add_generic_get_opts(struct bContext *C, struct wmOperator *op,  float loc[3], float rot[3],
+                                    bool *enter_editmode, unsigned int *layer, bool *is_view_aligned);
 
 struct Object *ED_object_add_type(struct bContext *C, int type, const float loc[3], const float rot[3],
-                                  int enter_editmode, unsigned int layer);
+                                  bool enter_editmode, unsigned int layer);
 
 void ED_object_single_users(struct Main *bmain, struct Scene *scene, bool full, bool copy_groups);
 void ED_object_single_user(struct Main *bmain, struct Scene *scene, struct Object *ob);
diff --git a/source/blender/editors/mesh/editmesh_add.c b/source/blender/editors/mesh/editmesh_add.c
index f372053db55..094c9d376c9 100644
--- a/source/blender/editors/mesh/editmesh_add.c
+++ b/source/blender/editors/mesh/editmesh_add.c
@@ -96,15 +96,6 @@ static void make_prim_finish(bContext *C, Object *obedit, bool was_editmode, int
 	WM_event_add_notifier(C, NC_OBJECT | ND_DRAW, obedit);
 }
 
-static void make_prim_radius_prop(wmOperatorType *ot)
-{
-	PropertyRNA *prop;
-
-	prop = RNA_def_float(ot->srna, "radius", 1.0f, 0.0, FLT_MAX, "Radius", "", 0.001, 100.00);
-	RNA_def_property_subtype(prop, PROP_DISTANCE);
-}
-
-
 static int add_primitive_plane_exec(bContext *C, wmOperator *op)
 {
 	Object *obedit;
@@ -146,7 +137,7 @@ void MESH_OT_primitive_plane_add(wmOperatorType *ot)
 	/* flags */
 	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
 
-	make_prim_radius_prop(ot);
+	ED_object_add_unit_props(ot);
 	ED_object_add_generic_props(ot, true);
 }
 
@@ -192,7 +183,7 @@ void MESH_OT_primitive_cube_add(wmOperatorType *ot)
 	/* flags */
 	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
 
-	make_prim_radius_prop(ot);
+	ED_object_add_unit_props(ot);
 	ED_object_add_generic_props(ot, true);
 }
 
@@ -250,7 +241,7 @@ void MESH_OT_primitive_circle_add(wmOperatorType *ot)
 
 	/* props */
 	RNA_def_int(ot->srna, "vertices", 32, 3, INT_MAX, "Vertices", "", 3, 500);
-	make_prim_radius_prop(ot);
+	ED_object_add_unit_props(ot);
 	RNA_def_enum(ot->srna, "fill_type", fill_type_items, 0, "Fill Type", "");
 
 	ED_object_add_generic_props(ot, true);
@@ -308,7 +299,7 @@ void MESH_OT_primitive_cylinder_add(wmOperatorType *ot)
 
 	/* props */
 	RNA_def_int(ot->srna, "vertices", 32, 3, INT_MAX, "Vertices", "", 3, 500);
-	make_prim_radius_prop(ot);
+	ED_object_add_unit_props(ot);
 	prop = RNA_def_float(ot->srna, "depth", 2.0f, 0.0, FLT_MAX, "Depth", "", 0.001, 100.00);
 	RNA_def_property_subtype(prop, PROP_DISTANCE);
 	RNA_def_enum(ot->srna, "end_fill_type", fill_type_items, 1, "Cap Fill Type", "");
@@ -422,7 +413,7 @@ void MESH_OT_primitive_grid_add(wmOperatorType *ot)
 	/* props */
 	RNA_def_int(ot->srna, "x_subdivisions", 10, 3, INT_MAX, "X Subdivisions", "", 3, 1000);
 	RNA_def_int(ot->srna, "y_subdivisions", 10, 3, INT_MAX, "Y Subdivisions", "", 3, 1000);
-	make_prim_radius_prop(ot);
+	ED_object_add_unit_props(ot);
 
 	ED_object_add_generic_props(ot, true);
 }
@@ -474,7 +465,7 @@ void MESH_OT_primitive_monkey_add(wmOperatorType *ot)
 	ot->poll = ED_operator_scene_editable;
 
 	/* flags */
-	make_prim_radius_prop(ot);
+	ED_object_add_unit_props(ot);
 	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
 
 	ED_object_add_generic_props(ot, true);
diff --git a/source/blender/editors/object/object_add.c b/source/blender/editors/object/object_add.c
index b907cba33e2..cd7c45d6c27 100644
--- a/source/blender/editors/object/object_add.c
+++ b/source/blender/editors/object/object_add.c
@@ -191,7 +191,7 @@ void ED_object_base_init_transform(bContext *C, Base *base, const float loc[3],
  * Returns standard diameter. */
 float ED_object_new_primitive_matrix(bContext *C, Object *obedit,
                                      const float loc[3], const float rot[3], float primmat[4][4],
-                                     int apply_diameter)
+                                     bool apply_diameter)
 {
 	Scene *scene = CTX_data_scene(C);
 	View3D *v3d = CTX_wm_view3d(C);
@@ -236,7 +236,15 @@ static void view_align_update(struct Main *UNUSED(main), struct Scene *UNUSED(sc
 	RNA_struct_idprops_unset(ptr, "rotation");
 }
 
-void ED_object_add_generic_props(wmOperatorType *ot, int do_editmode)
+void ED_object_add_unit_props(wmOperatorType *ot)
+{
+	PropertyRNA *prop;
+
+	prop = RNA_def_float(ot->srna, "radius", 1.0f, 0.0, FLT_MAX, "Radius", "", 0.001, 100.00);
+	RNA_def_property_subtype(prop, PROP_DISTANCE);
+}
+
+void ED_object_add_generic_props(wmOperatorType *ot, bool do_editmode)
 {
 	PropertyRNA *prop;
 
@@ -261,8 +269,8 @@ void ED_object_add_generic_props(wmOperatorType *ot, int do_editmode)
 	RNA_def_property_flag(prop, PROP_HIDDEN | PROP_SKIP_SAVE);
 }
 
-int ED_object_add_generic_get_opts(bContext *C, wmOperator *op, float loc[3], float rot[3],
-                                   bool *enter_editmode, unsigned int *layer, bool *is_view_aligned)
+bool ED_object_add_generic_get_opts(bContext *C, wmOperator *op, float loc[3], float rot[3],
+                                    bool *enter_editmode, unsigned int *layer, bool *is_view_aligned)
 {
 	View3D *v3d = CTX_wm_view3d(C);
 	unsigned int _layer;
@@ -356,16 +364,16 @@ int ED_object_add_generic_get_opts(bContext *C, wmOperator *op, float loc[3], fl
 
 	if (layer && *layer == 0) {
 		BKE_report(op->reports, RPT_ERROR, "Property 'layer' has no values set");
-		return 0;
+		return false;
 	}
 
-	return 1;
+	return true;
 }
 
 /* For object add primitive operators.
  * Do not call undo push in this function (users of this function have to). */
 Object *ED_object_add_type(bContext *C, int type, const float loc[3], const float rot[3],
-                           int enter_editmode, unsigned int layer)
+                           bool enter_editmode, unsigned int layer)
 {
 	Main *bmain = CTX_data_main(C);
 	Scene *scene = CTX_data_scene(C);