/*  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 *    globals.cpp
 *    
 *    Globally accessed functions for doc.cpp (Dr. Doc)
 *
 *    Author    :    Michele D. Estebon
 *    created   :    10/29/96
 *    for CS1704:    Intro to Data Structures and Software Design
 *                   Virginia Tech, Blacksburg, Virginia
 *    revision 1.1    
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

#include <iostream.h>  
#include <ios.h>
#include <fstream.h>     // Fexists file operations

#include "bool.h"
#include "globals.h"     // function prototypes       
#include "curses.h" 
#include "display.h"

//*************************************************************************************//
//  FUNCTION        : Fexists
//  CALLS           : ---			
//  IN              : fname (filename)          
//  OUT	            : --- (function returns true if file is found)			
//  from CS1704 program tips (ND Barnette)
//*************************************************************************************//
Boolean Fexists( fnametype fname )
{
	int	failed;

	ifstream infile	(fname, ios::nocreate);
	failed = infile.fail();
	infile.close();
	return (!failed);
} // Fexists
                
/*-------------------------------------------------------------
FUNCTION : No_imp           
IN       : --- 
OUT      : ---
CALLS    : IOerr (display.h)
CALLED BY: main 
PRE      : User has selected an option which has not been
           implemented code-wise
POST     : Message is displayed to IOscreen
--------------------------------------------------------------*/
void No_imp(winptr &IOwin)
{  
     IOerr(IOwin, NO_IMP); 
}
                
// turns off input buffering
void Nobuff(void)
{
    raw();
    noecho();
}

// turns on input buffering
void Buffin(void)
{
    noraw();
    echo();
}