Sender:	maeder AT dhcppc3
Newsgroups:	comp.os.msdos.djgpp,gnu.g++.help
Subject:	Re: ofstream and rdbuf()
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From:	Thomas Maeder <maeder AT glue DOT ch>
Date:	19 Dec 2002 20:00:43 +0100
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"Alex Vinokur" <alexvn AT bigfoot DOT com> writes:

> ===============
> Windows 2000
> DJGPP 2.03
> GNU gcc/gpp 3.1
> ===============
> 
> 
> I have got compilation errors related to ofstream and rdbuf().
> Is there any way to do what I want to ?

A much shorter test program would have been enough ...


> #include <iostream>
> #include <fstream>
> #include <assert.h>
> using namespace std;
> 
> int main ()
> {
> streambuf *psbuf_cout;
> ofstream file1;
>   file1.open ("f1.txt");
>   psbuf_cout = cout.rdbuf();
>   file1.rdbuf(psbuf_cout); // Line#61

There is an overload of rdbuf() in std::ofstream which hides the
std::ostream::rdbuf() version you attempt to call. Your options include:

file1.std::ostream::rdbuf(psbuf_cout);

and

static_cast<std::ostream &>(file1).rdbuf(psbuf_cout);

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