if (do_rename(fname,fnamebak) != 0) {
/* cygwin (at least version b19) reports EINVAL */
if (errno != ENOENT && errno != EINVAL) {
if (do_rename(fname,fnamebak) != 0) {
/* cygwin (at least version b19) reports EINVAL */
if (errno != ENOENT && errno != EINVAL) {