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Subject: Re: BUG Report: rlwrap + cygwin (dll) + Windows 10
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Date: Mon, 14 Dec 2020 09:14:02 -0500
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From: Ken Brown via Cygwin <cygwin AT cygwin DOT com>
Reply-To: Ken Brown <kbrown AT cornell DOT edu>
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On 12/13/2020 9:41 AM, Marco Atzeri via Cygwin wrote:
> On 13.12.2020 13:43, Takashi Yano via Cygwin wrote:
>> On Sat, 12 Dec 2020 20:05:05 +0000 (UTC)
>> Alberto Moral Beneitez via Cygwin  wrote:
>>> Hi, everybody
> 
>> Please try:
>> env CYGWIN=disable_pcon rlwrap cmd
>>
>> Also, you can use alias like:
>> alias rlwrap="env CYGWIN=disable_pcon rlwrap"
> 
> I had the impression the CYGWIN enviroment was used only by the first cygwin 
> process to set global behaviour and following changes were
> uneffective
> 
> Am I missing something ?

If an application changes the CYGWIN environment variable via a call to 
setenv(3) or putenv(3), then that variable is re-parsed and the corresponding 
global variables (like disable_pcon) are changed accordingly.  See the call to 
parse_options() at the end of _addenv() in environ.cc.

Ken
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