Re: [cdt-dev] The old problem of buffering in the console (Windows)

[Doug Schaefer <cdtdoug@xxxxxxxxx>]

Yes, that isn't a solution.

We worked hard in the CDT to hide the Windows console that pops up when debugging console applications. I wonder if maybe that's the wrong approach. The Windows console is evil but it does it's job well. But then people were a little put off by the window popping up at debug time. Anyone have thoughts on that?

On Wed, Mar 31, 2010 at 8:48 AM, Omer Strulovich <omers@xxxxxxxxxxxxxxxxx> wrote:

Changing the code so it could work in Eclipse is a horrible solution.

Also, this solution does help in the following case:

#include <stdio.h>

int main(void) {
      setvbuf(stdout, NULL, _IONBF, 0);
      setvbuf(stderr, NULL, _IONBF, 0);
      fprintf(stderr,"stderr\n");
      fprintf(stdout,"stdout\n");
      return 0;
}

You will have both possible outputs:

stderr

stdout

or:

stdout

stderr

This is enough to convince all but the strong-hearted programmers to revert to Visual.

I will look at the bug suggested and see if I could apply some kind of a real fix.

-Omer

On Wed, Mar 31, 2010 at 4:02 PM, Marc Khouzam <marc.khouzam@xxxxxxxxxxxx> wrote:

I don't understand your request.

You mention a buffering problem, which you seem to have a solution for,

but then you mention mixed stdout and stderr, which does not seem releated

to the buffering issue.

 

What would you like to solve?

 

Marc

 

---

From: cdt-dev-bounces@xxxxxxxxxxx [mailto:cdt-dev-bounces@xxxxxxxxxxx] On Behalf Of Omer Strulovich
Sent: Wednesday, March 31, 2010 8:32 AM
To: CDT General developers list.
Subject: [cdt-dev] The old problem of buffering in the console (Windows)

If you've used Eclipse CDT on Windows you know that the Eclipse console has buffering problems.
Basically, it doesn't flush the streams when a newline is received. (Unlike a normal windows console window)
Until lately I used to either add fflush calls when needed or add the following lines in the start of the main function:
setvbuf(stdout, NULL, _IONBF, 0);
setvbuf(stderr, NULL, _IONBF, 0);

Since we're using Eclipse CDT as the recommended IDE for a software development course I need some solution or workaround to allow my students work on CDT.
Having mixed stdout & stderr is unacceptable for a programming newbie. (Seriously, this bug is probably preventing hundred of new C/C++ programmers working on windows from seriously using Eclipse instead of Visual)

I would love if someone could help me with a workaround.
Or even better, direct me to the right piece of code in Eclipse where I can solve this problem myself and be done with it. (I have the time and necessary skills)

-Omer

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