Function extra_mode

src/install.c:159–164

Return true for mode with non-permission bits. */

/* Return true for mode with non-permission bits. */
static bool
extra_mode (mode_t input)
{
  mode_t mask = S_IRWXUGO | S_IFMT;
  return !! (input & ~ mask);
}

/* Return true if copy of file SRC_NAME to file DEST_NAME aka
   DEST_DIRFD+DEST_RELNAME is necessary. */