Date: Fri, 21 Jun 2002 20:13:15 +0300 (WET)
From: Andris Pavenis <pavenis AT lanet DOT lv>
X-Sender: pavenis AT ieva06
To: selim delioglu <selimdeli AT ttnet DOT net DOT tr>
Cc: djgpp AT delorie DOT com
Subject: Re: Wrong behaviour in c++ program/ using gcc&gpp 3.1
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On Fri, 21 Jun 2002, selim delioglu wrote:

> [selim@~/c]$ gcc -v
> Reading specs from d:/djgpp/lib/gcc-lib/djgpp/3.1/specs
> Configured with: ../configure i586-pc-msdosdjgpp
> --prefix=/dev/env/DJDIR --disable-nls
> Thread model: single
> gcc version 3.1
> 
> #include <iostream>
> using namespace std;
> int main() {
>    char buffer[100];
>    cin.getline(buffer, 100);
>    cout << buffer << endl;
>    return 0;
> }
> 
> Here comes the problem. I am using DJGPP without problems for a
> long time (more than one year). I used before (gcc & gpp) 2.95.3, and
> later upgraded to gcc&gpp 3.0.4. After I upgraded to gcc 3.1 I found
> a misbehaviour for the above code.
> Normal behaviour is that: after running the program user enters
> one line ending with a newline and the program displays that line
> again. But after upgrading to gcc 3.1 & gpp 3.1 I have to press
> "enter" twice to end the input to the program. I think that this
> is a bug in the c++ library that comes with gpp 3.1, because with
> the same c library (from djdev203.zip) the program runs as expected,
> if I use gcc&gpp 3.0.4 or gcc&gpp 2.95.3.
> 

Confirmed with gcc-3.1 both for DJGPP and Linux. 

Tried this night build of gcc-3.1.1 prerelease (from CVS) under Linux.
Bug did not appear then. 

So that bug appears under Linux with gcc-3.1 but no more with
gcc-3.1.1 20020620 (prerelease). So it evidently will be fixed
in gcc-3.1.1 release

Andris