On Aug 28 19:57, Christian Franke wrote: > Dave Korn wrote: >> Christian Franke wrote: >> >>> For members of Admin group, Cygwin 1.7 allows to overwrite files without >>> write permission, but Cygwin 1.5 does not. >>> >> >> You are the root user, this is Unix. Of course you can overwrite files >> without write permission. >> >> > > This is not true when 'chmod -w ...' was done before the upgrade to 1.7. > Cygwin 1.5 sets R/O attribute, then open for write fails with permission > denied also on 1.7.
That's why 1.7 tries not to set the R/O DOS attribute anymore. But yes, that's not quite consistent. open(2) should open these files for writing as well. Unfortunately this requires to remove the R/O attribute before trying to open the file for writing. There's no atomic way to accomplish this. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Project Co-Leader cygwin AT cygwin DOT com Red Hat -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
