*/
 
 #include "cache.h"
+#include "dir.h"
 #include "builtin.h"
 #include "parse-options.h"
 
                const char *cp;
                int bad = 0;
 
-               if ((ent->d_name[0] == '.') &&
-                   (ent->d_name[1] == 0 ||
-                    ((ent->d_name[1] == '.') && (ent->d_name[2] == 0))))
+               if (is_dot_or_dotdot(ent->d_name))
                        continue;
                for (cp = ent->d_name; *cp; cp++) {
                        int ch = *cp;
                hex[40] = 0;
                if (get_sha1_hex(hex, sha1))
                        die("internal error");
-               if (has_sha1_pack(sha1, NULL))
+               if (has_sha1_pack(sha1))
                        (*packed_loose)++;
        }
 }