Pending change to cygwin DLL and binmode/textmode musings

Chris Faylor cgf@cygnus.com
Thu Jun 29 08:29:00 GMT 2000


On Thu, Jun 29, 2000 at 01:11:43PM +0200, Corinna Vinschen wrote:
>Chris Faylor wrote:
>>text mode and bin mode mounts in Cygwin.  My implementation gives
>>precedence to the (little used?) _fmode variable which has always been
>>around in Cygwin.  Setting this variable to O_BINARY used to be the
>>same as CYGWIN=binmode, i.e., it didn't affect disk files.  Now it
>>does.
>
>FWIW, I'm _heavily_ interested in your incorporating that patch into
>the developer sources.  The reason is, I would be able to speed up
>porting OpenSSH-2.1.1p1 by means.  I would like to set _fmode = O_TEXT
>and use O_BINARY where appropriate so I could remove each use of
>`fopen(..., "rt")'.  But: Wouldn't the use of _fmode = O_TEXT
>additionally affect writes?  I would still need the differing of read
>(O_TEXT) and write (don't care).

Yes.  This is possible.  I don't think that Microsoft has a
"textmode.obj" file that provides this functionality but it would be
very simple to do this.

I'll add this.

I check something in soon.  Once I have done so, we will have to avoid
creating any new applications for download until the new DLL is
released.

cgf


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