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Date:	Fri, 27 Jul 2001 20:57:13 +0400
From:	egor duda <deo AT logos-m DOT ru>
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Reply-To:	egor duda <cygwin AT cygwin DOT com>
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Message-ID:	<23293696332.20010727205713@logos-m.ru>
To:	Mike Gingell <mgingell AT accesswave DOT ca>
CC:	cygwin AT cygwin DOT com
Subject:	Re: Cannot change console mode when set CYGWIN=tty
In-Reply-To:	<5.1.0.14.0.20010727130257.00a8bfe0@mail.accesswave.ca>
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Hi!

Friday, 27 July, 2001 Mike Gingell mgingell AT accesswave DOT ca wrote:

MG> I wish life was so simple.  If I was only developing in cygwin/Unix, I 
MG> would have trashed all of the MS stuff long ago....
MG> I agree with your solutions and appreciate your recommendations.  However, 
MG> I need to be able to compile this code using "native" tools so that I can 
MG> deliver the source to my other users that have never had the fortune to 
MG> work with cygwin (and Unix) and only have MSVC...  I only run the tests in 
MG> cygwin/bash because it is so much better/convenient than cmd.exe.  I guess 
MG> for testing this stuff, I will have to create an instance that doesn't set 
MG> CYGWIN=tty.  (Or find a way to break the pipe and reopen the STDIN handle 
MG> in windows, although I doubt this will work ...)

imagine you're running your program via telnet or ssh. In this case,
"real" console and your program may be on different hosts! so i doubt
there's a way to "break the pipe"

to choose at compile time, you can use ifdefs.

#ifdef WIN32_CONSOLE
  /* win32-style console handling code */
#else
  /* unix-style console handling code */
#endif

at runtime -- isatty(), as Troy suggested.

MG> At 07:47 AM 7/27/2001 -0600, you wrote:
>>I would also consider leaving your old code intact and
>>using isatty() to toggle between the older console
>>code and the new technique that Egor suggests.
>>
>>Such as:
>>
>>if (isatty()) {
>>    /* use tty-style handling here */
>>} else {
>>    /* your old console-style code here */
>>}
>>
>>That way if a user does not set CYGWIN=tty
>>your code will continue to work in either case.

Egor.            mailto:deo AT logos-m DOT ru ICQ 5165414 FidoNet 2:5020/496.19


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