rem: f->linkname = xreadlink (filename);
add: f->linkname = xreadlink (filename, f->stat.st_size);
context: get_link_name (const char *filename, struct fileinfo *f){  f->linkname = xreadlink (filename);  if (f->linkname == NULL)    {      error (0, errno, _("cannot read symbolic link %s"),	     quotearg_colon (filename));      exit_status = 1;    }}