//***************************************************************
// From the book "Win32 System Services: The Heart of Windows 98
// and Windows 2000"
// by Marshall Brain
// Published by Prentice Hall
//
// Copyright 1995, by Prentice Hall.
//
// This code demonstrates a typical "cooked" (normal) mode
// console. It accepts input from the user and echos it to
// output.
//***************************************************************

// cooked.cpp

#include <windows.h>
#include <iostream.h>
#include <string.h>

void ErrorHandler(char *s, DWORD err)
{
	cout << s << endl;
	cout << "Error number: " << err << endl;
	ExitProcess(err);
}

void ProcessIO(HANDLE consoleStdin,
	HANDLE consoleStdout)
{
	char buffer[1000];
	DWORD numRead, numWrite;

	do
	{
		ReadFile(consoleStdin, buffer, 
			1000, &numRead, 0);
		buffer[numRead]='\0'; // will have CR/LF
		WriteFile(consoleStdout,
			buffer, strlen(buffer),
			&numWrite, 0);
	} while  (strncmp(buffer, "exit", 4) != 0);
}

VOID main(void)
{
	HANDLE consoleStdout, consoleStdin;

	// Get handles for standard in and out
	consoleStdin = GetStdHandle(STD_INPUT_HANDLE);
	consoleStdout = GetStdHandle(STD_OUTPUT_HANDLE);
	// they must be invalid if equal
	if (consoleStdin == consoleStdout) 
		ErrorHandler("In GetStdHandle",
			GetLastError());

	// Process user I/O
	ProcessIO(consoleStdin, consoleStdout);
}