From: Andy Maddison <maddison AT coventry DOT ac DOT uk>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Bug in djgpp c++ compilation?? (or am I just knocking my head against the wrong wall?)
Date: Tue, 20 Jan 1998 10:23:26 +0000
Organization: Coventry University
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On Tue, 20 Jan 1998, Kim Robert Blix wrote:

> 
> Any idea why this wont work with djgpp? Its written word by word from
> a C++ book, so I dont think its my fault :) .. (the operative word
> there is think). I've had similar problems with more or less all C++
> file rutines. Any help ?
> 
> --cut-code--
> #include <fstream.h>
> int main()
> {
>         ofstream OutFile;
>         int MyNumber = 3;
> 
>         OutFile.open("testfil.dat",ios::binary);
>         OutFile.write((char *)&MyNumber,sizeof(MyNumber));
>         OutFile.close();
> 
>         return 0;
> }
> --end-code--
> 

I posted a similar query a while back and discovered where I was going 
wrong. Someone (sorry, I forgot your name) recommended that I try the 
following:
	
	OutFile.open("testfil.dat",ios::binary|ios::out); 

Specifying ios::out/in seems to work for me!