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From: Karl M <karlm30 AT hotmail DOT com>
To: <cygwin AT cygwin DOT com>
Subject: RE: Cygwin 1.7 ssh and window size
Date: Sun, 6 Sep 2009 16:54:18 -0700
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> Date: Sun, 6 Sep 2009 19:40:41 -0400
> From: cgf
> Subject: Re: Cygwin 1.7 ssh and window size
>
> On Sun, Sep 06, 2009 at 01:18:16PM -0700, Karl M wrote:
>>
>>> Date: Fri, 4 Sep 2009 10:14:01 -0400
>>> From: cgf
>>> Subject: Re: Cygwin 1.7 ssh and window size
>>>
>>> On Sun, Aug 30, 2009 at 11:05:58PM -0700, Karl M wrote:
>>>>My first email had a cygcheck and the following steps to reproduce the
>>>>symptoms.
>>>>
>>>>I just noticed the following with Cygwin 1.7, and ssh (and vi in this
>>>>example), on Vista Business SP2.
>>>>
>>>>If I (1) open a bash cygwin window from the normal installed shortcut
>>>>(cmd.exe).
>>>>
>>>>(2) drag the bottom edge of the window down to enlarge it.
>>>>
>>>>(3) ssh localhost (or to another host).
>>>>
>>>>(4) edit a file with vi.
>>>>
>>>>Then only a portion of the window is used, the size of the original
>>>>window before enlarging it.
>>>>
>>>>If I (5) exit vi, and exit the ssh session.
>>>>
>>>>(6) ssh localhost (or to another host).
>>>>
>>>>(7) edit a file with vi.
>>>>
>>>>Then the entire window is used for editing.
>>>
>>> As I mentioned in another thread, Cygwin's handling of console window
>>> size changes is not perfect. It is hampered by what Windows provides.
>>> I don't see any difference between Cygwin 1.5 and Cygwin 1.7 in this
>>> regard and I would not have expected any since there were no changes
>>> in that part of the code.
>>>
>>With the latest snapshot, if I enter a blank line before ssh localhost,
>>ssh uses the correct window size on the remote host (in this case, the
>>same host), although vi uses the correct window size without a blank
>>line after resizing. So ssh is doing something different than vi in
>>how it deals with window size.
>
> Cygwin's handling of console window size changes is not perfect. It is
> hampered by what Windows provides.
>
I understand that windows causes problems here, but if vi gets the correct
window size and ssh gets the correct window size with Cygwin 1.5 then this
still looks like a regression from Cygwin 1.5 to 1.7.
=20
Thanks,
=20
...Karl
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