Cleanup: use C++ comments for disabled code

Also ensure space around text in C-comment blocks.

intern/utfconv/utfconv.c

@@ -40,7 +40,7 @@ size_t count_utf_8_from_16(const wchar_t *string16)
           }
           else {
             if (u < 0xE000) {
-              /*illegal*/;
+              /* Illegal. */
             }
             else {
               count += 3;

source/blender/blenloader/intern/readfile.c

@@ -2619,7 +2619,7 @@ static void lib_link_workspace_layout_restore(struct IDNameLib_Map *id_map,
 
           scpt->script = restore_pointer_by_name(id_map, (ID *)scpt->script, USER_REAL);
 
-          /*screen->script = NULL; - 2.45 set to null, better re-run the script */
+          // screen->script = NULL; /* 2.45 set to null, better re-run the script. */
           if (scpt->script) {
             SCRIPT_SET_NULL(scpt->script);
           }

source/blender/bmesh/operators/bmo_smooth_laplacian.c

@@ -37,7 +37,7 @@ struct BLaplacianSystem {
   BMOperator *op;
   LinearSolver *context;
 
-  /*Data*/
+  /* Data. */
   float min_area;
 };
 typedef struct BLaplacianSystem LaplacianSystem;

source/blender/compositor/intern/COM_NodeOperationBuilder.cc

@@ -104,7 +104,7 @@ void NodeOperationBuilder::convert_to_operations(ExecutionSystem *system)
   prune_operations();
 
   /* ensure topological (link-based) order of nodes */
-  /*sort_operations();*/ /* not needed yet */
+  // sort_operations(); /* not needed yet. */
 
   if (context_->get_execution_model() == eExecutionModel::Tiled) {
     /* create execution groups */

source/blender/editors/object/object_select.c

@@ -1449,7 +1449,7 @@ void OBJECT_OT_select_random(wmOperatorType *ot)
   ot->idname = "OBJECT_OT_select_random";
 
   /* api callbacks */
-  /*ot->invoke = object_select_random_invoke XXX: need a number popup ;*/
+  // ot->invoke = object_select_random_invoke; /* TODO: need a number popup. */
   ot->exec = object_select_random_exec;
   ot->poll = objects_selectable_poll;
 

source/blender/editors/sculpt_paint/sculpt_intern.h

@@ -440,7 +440,7 @@ typedef struct FilterCache {
   /* Auto-masking. */
   AutomaskingCache *automasking;
 
-  /* Pre-smoothed colors used by sharpening. Colors are HSL.*/
+  /* Pre-smoothed colors used by sharpening. Colors are HSL. */
   float (*pre_smoothed_color)[4];
 } FilterCache;
 

source/blender/editors/sculpt_paint/sculpt_undo.c

@@ -343,7 +343,7 @@ static bool sculpt_undo_restore_color(bContext *C, SculptUndoNode *unode)
   bool modified = false;
 
   /* NOTE: even with loop colors we still store derived
-   * vertex colors for original data lookup.*/
+   * vertex colors for original data lookup. */
   if (unode->col && !unode->loop_col) {
     BKE_pbvh_swap_colors(ss->pbvh, unode->index, unode->totvert, unode->col);
     modified = true;

source/blender/editors/transform/transform_convert_sequencer.c

@@ -669,8 +669,10 @@ static Sequence *effect_base_input_get(Sequence *effect, SeqInputSide side)
   return input;
 }
 
-/* Strips that aren't selected, but their position entirely depends on transformed strips.
+/**
- * This collection is used to offset animation.*/
+ * Strips that aren't selected, but their position entirely depends on transformed strips.
+ * This collection is used to offset animation.
+ */
 static SeqCollection *query_time_dependent_strips_strips(TransInfo *t)
 {
   ListBase *seqbase = seqbase_active_get(t);

source/blender/editors/util/ed_transverts.c

@@ -203,7 +203,7 @@ void ED_transverts_create_from_obedit(TransVertStore *tvs, const Object *obedit,
     BMesh *bm = em->bm;
     BMIter iter;
     void *userdata[2] = {em, NULL};
-    /*int proptrans = 0; */ /*UNUSED*/
+    // int proptrans = 0; /*UNUSED*/
 
     /* abuses vertex index all over, set, just set dirty here,
      * perhaps this could use its own array instead? - campbell */

source/blender/makesrna/intern/rna_ID.c

@@ -1457,7 +1457,7 @@ static void rna_def_ID_properties(BlenderRNA *brna)
    * when we only really want this so RNA_def_struct_name_property() is set to something useful */
   prop = RNA_def_property(srna, "name", PROP_STRING, PROP_NONE);
   RNA_def_property_flag(prop, PROP_IDPROPERTY);
-  /*RNA_def_property_clear_flag(prop, PROP_EDITABLE); */
+  // RNA_def_property_clear_flag(prop, PROP_EDITABLE);
   RNA_def_property_ui_text(prop, "Name", "Unique name used in the code and scripting");
   RNA_def_struct_name_property(srna, prop);
 }

source/blender/makesrna/intern/rna_armature.c

@@ -1383,7 +1383,7 @@ static void rna_def_armature_edit_bones(BlenderRNA *brna, PropertyRNA *cprop)
   RNA_def_property_pointer_sdna(prop, NULL, "act_edbone");
   RNA_def_property_flag(prop, PROP_EDITABLE);
   RNA_def_property_ui_text(prop, "Active EditBone", "Armatures active edit bone");
-  /*RNA_def_property_update(prop, 0, "rna_Armature_act_editbone_update"); */
+  // RNA_def_property_update(prop, 0, "rna_Armature_act_editbone_update");
   RNA_def_property_pointer_funcs(prop, NULL, "rna_Armature_act_edit_bone_set", NULL, NULL);
 
   /* TODO: redraw. */

source/blender/makesrna/intern/rna_brush.c

@@ -664,7 +664,7 @@ static void rna_Brush_update(Main *UNUSED(bmain), Scene *UNUSED(scene), PointerR
 {
   Brush *br = (Brush *)ptr->data;
   WM_main_add_notifier(NC_BRUSH | NA_EDITED, br);
-  /*WM_main_add_notifier(NC_SPACE|ND_SPACE_VIEW3D, NULL); */
+  // WM_main_add_notifier(NC_SPACE | ND_SPACE_VIEW3D, NULL);
 }
 
 static void rna_Brush_material_update(bContext *UNUSED(C), PointerRNA *UNUSED(ptr))

source/blender/makesrna/intern/rna_modifier.c

@@ -5825,7 +5825,7 @@ static void rna_def_modifier_ocean(BlenderRNA *brna)
   prop = RNA_def_property(srna, "filepath", PROP_STRING, PROP_DIRPATH);
   RNA_def_property_string_sdna(prop, NULL, "cachepath");
   RNA_def_property_ui_text(prop, "Cache Path", "Path to a folder to store external baked images");
-  /*RNA_def_property_update(prop, 0, "rna_Modifier_update"); */
+  // RNA_def_property_update(prop, 0, "rna_Modifier_update");
   /* XXX how to update? */
 
   RNA_define_lib_overridable(false);

source/blender/makesrna/intern/rna_object.c

@@ -2572,11 +2572,11 @@ static void rna_def_object_modifiers(BlenderRNA *brna, PropertyRNA *cprop)
   RNA_def_property_pointer_sdna(prop, NULL, "act_edbone");
   RNA_def_property_flag(prop, PROP_EDITABLE);
   RNA_def_property_ui_text(prop, "Active EditBone", "Armatures active edit bone");
-  /*RNA_def_property_update(prop, 0, "rna_Armature_act_editbone_update"); */
+  // RNA_def_property_update(prop, 0, "rna_Armature_act_editbone_update");
   RNA_def_property_pointer_funcs(prop, NULL, "rna_Armature_act_edit_bone_set", NULL, NULL);
 
   /* TODO: redraw. */
-/*      RNA_def_property_collection_active(prop, prop_act); */
+  // RNA_def_property_collection_active(prop, prop_act);
 #  endif
 
   /* add modifier */
@@ -3387,7 +3387,7 @@ static void rna_def_object(BlenderRNA *brna)
       prop, "rna_Object_matrix_basis_get", "rna_Object_matrix_basis_set", NULL);
   RNA_def_property_update(prop, NC_OBJECT | ND_TRANSFORM, "rna_Object_internal_update");
 
-  /*parent_inverse*/
+  /* Parent_inverse. */
   prop = RNA_def_property(srna, "matrix_parent_inverse", PROP_FLOAT, PROP_MATRIX);
   RNA_def_property_float_sdna(prop, NULL, "parentinv");
   RNA_def_property_multi_array(prop, 2, rna_matrix_dimsize_4x4);

source/blender/makesrna/intern/rna_texture.c

@@ -1556,7 +1556,7 @@ static void rna_def_texture(BlenderRNA *brna)
   RNA_def_struct_refine_func(srna, "rna_Texture_refine");
 
   prop = RNA_def_property(srna, "type", PROP_ENUM, PROP_NONE);
-  /*RNA_def_property_clear_flag(prop, PROP_EDITABLE); */
+  // RNA_def_property_clear_flag(prop, PROP_EDITABLE);
   RNA_def_property_enum_sdna(prop, NULL, "type");
   RNA_def_property_enum_items(prop, rna_enum_texture_type_items);
   RNA_def_property_enum_funcs(prop, NULL, "rna_Texture_type_set", NULL);

source/blender/modifiers/intern/MOD_laplaciansmooth.c

@@ -60,7 +60,7 @@ struct BLaplacianSystem {
   const MEdge *medges;
   LinearSolver *context;
 
-  /*Data*/
+  /* Data. */
   float min_area;
   float vert_centroid[3];
 };

source/blender/modifiers/intern/MOD_screw.c

@@ -515,7 +515,7 @@ static Mesh *modifyMesh(ModifierData *md, const ModifierEvalContext *ctx, Mesh *
       mv_new = mvert_new;
 
       if (ob_axis != NULL) {
-        /*mtx_tx is initialized early on */
+        /* `mtx_tx` is initialized early on. */
         for (i = 0; i < totvert; i++, mv_new++, mv_orig++, vc++) {
           vc->co[0] = mv_new->co[0] = mv_orig->co[0];
           vc->co[1] = mv_new->co[1] = mv_orig->co[1];
@@ -883,7 +883,7 @@ static Mesh *modifyMesh(ModifierData *md, const ModifierEvalContext *ctx, Mesh *
       copy_v3_v3(mv_new->co, mv_new_base->co);
 
       /* only need to set these if using non cleared memory */
-      /*mv_new->mat_nr = mv_new->flag = 0;*/
+      // mv_new->mat_nr = mv_new->flag = 0;
 
       if (ob_axis != NULL) {
         sub_v3_v3(mv_new->co, mtx_tx[3]);

source/blender/python/bmesh/bmesh_py_types.c

@@ -3635,8 +3635,8 @@ void BPy_BM_init_types(void)
   BPy_BMLoopSeq_Type.tp_methods = bpy_bmloopseq_methods;
   BPy_BMIter_Type.tp_methods = NULL;
 
-  /*BPy_BMElem_Check() uses bpy_bm_elem_hash() to check types.
+  /* #BPy_BMElem_Check() uses #bpy_bm_elem_hash() to check types.
-   * if this changes update the macro */
+   * if this changes update the macro. */
   BPy_BMesh_Type.tp_hash = bpy_bm_hash;
   BPy_BMVert_Type.tp_hash = bpy_bm_elem_hash;
   BPy_BMEdge_Type.tp_hash = bpy_bm_elem_hash;