/*  GUICON.CPP 

    Creates a WIN32 console window and redirects stdio, stderr,
	cout, and cerr to it.

	Needed for WIN32 build; do not compile for UNIX build 
	
	Code from Windows Developer Journal, December 1997
	http://www.halcyon.com/~ast/dload/guicon.htm
*/

#include <windows.h>
#include <stdio.h>
#include <fcntl.h>
#include <io.h>
#include <iostream>
#include <fstream>

#ifndef _USE_OLD_IOSTREAMS
using namespace std;
#endif

// maximum mumber of lines the output console should have

static const WORD MAX_CONSOLE_LINES = 500;


void RedirectIOToConsole()

{

int hConHandle;

long lStdHandle;

CONSOLE_SCREEN_BUFFER_INFO coninfo;

FILE *fp;

// allocate a console for this app

AllocConsole();

// set the screen buffer to be big enough to let us scroll text

GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE),

&coninfo);

coninfo.dwSize.Y = MAX_CONSOLE_LINES;

SetConsoleScreenBufferSize(GetStdHandle(STD_OUTPUT_HANDLE),

coninfo.dwSize);

// redirect unbuffered STDOUT to the console

lStdHandle = (long)GetStdHandle(STD_OUTPUT_HANDLE);

hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);

fp = _fdopen( hConHandle, "w" );

*stdout = *fp;

setvbuf( stdout, NULL, _IONBF, 0 );

// redirect unbuffered STDIN to the console

lStdHandle = (long)GetStdHandle(STD_INPUT_HANDLE);

hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);

fp = _fdopen( hConHandle, "r" );

*stdin = *fp;

setvbuf( stdin, NULL, _IONBF, 0 );

// redirect unbuffered STDERR to the console

lStdHandle = (long)GetStdHandle(STD_ERROR_HANDLE);

hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);

fp = _fdopen( hConHandle, "w" );

*stderr = *fp;

setvbuf( stderr, NULL, _IONBF, 0 );

// make cout, wcout, cin, wcin, wcerr, cerr, wclog and clog

// point to console as well

ios::sync_with_stdio();

}



//End of File