slprintf(fnamebak,sizeof(fnamebak),"%s%s",fname,backup_suffix);
if (do_rename(fname,fnamebak) != 0) {
- if (errno != ENOENT) {
+ /* cygwin (at least version b19) reports EINVAL */
+ if (errno != ENOENT && errno != EINVAL) {
rprintf(FERROR,"rename %s %s : %s\n",fname,fnamebak,strerror(errno));
return 0;
}