//-------------------------------------------------------------------
//	mkfiles.cpp
//
//	This program will create 200 differently named files 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[] = "filexxxx";

	for (int i = 1; i <= 200; i++)
		{
		// prepare the next filename
		sprintf( filename+4, "%04u", i );
		
		// create the named file
		int	fd = creat( filename, 0666 );
		if ( fd < 0 ) { perror( filename ); exit( 1 ); }

		// write data to the new file
		char	data[ 16 ] = "";
		strncpy( data, filename, sizeof( filename ) );
		int	nbytes = write( fd, data, sizeof( data ) );
		if ( nbytes < sizeof( data ) ) { perror( "write" ); break; }
		close( fd );

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