//-------------------------------------------------------------------
//	mk1440kb.cpp
//
//	This program will create a file with 1440 killobytes in the  
//	current working directory (for use with Lab #11 questions).
//
//	programmer: ALLAN CRUSE
//	written on: 05 DEC 2004
//-------------------------------------------------------------------

#include <stdio.h>	// for printf(), perror() 
#include <fcntl.h>	// for open() 
#include <stdlib.h>	// for exit() 
#include <unistd.h>	// for read(), write(), close() 
#include <string.h>	// for strncpy()

int main( int argc, char **argv )
{
	char	filename[] = "file1440";
		
	// create the named file
	int	fd = creat( filename, 0666 );
	if ( fd < 0 ) { perror( filename ); exit( 1 ); }

	// write data to the new file
	char	data[ 1024 ] = "";
	memset( data, 0x20, 1024 );
	strncpy( data, filename, sizeof( filename ) );

	for (int i = 0; i < 1440; i++) 
		{
		int	nbytes = write( fd, data, sizeof( data ) );
		if ( nbytes < sizeof( data ) ) { perror( "write" ); break; }
		}

	close( fd );

	printf( "created \'%s\' \n\n", filename );
}