- new_fnlist->fn_fieldlist.fn_fields = (struct fn_field *)
- obstack_alloc (&objfile->objfile_obstack,
- sizeof (struct fn_field) * length);
- memset (new_fnlist->fn_fieldlist.fn_fields, 0,
- sizeof (struct fn_field) * length);
+ new_fnlist->fn_fieldlist.fn_fields
+ = OBSTACK_CALLOC (&objfile->objfile_obstack, length, fn_field);