#include	<stdio.h>
#include	<fcntl.h>
#include	<stdlib.h>
#include	<unistd.h>

/*
 * make mysteryfile1 -- simply pass it a number of bytes
 *			and this program makes a file that
 *			large.  Then use ls -s to see the
 *			number of blocks used...
 *
 *	usage: makemystery1 filename size
 */

#define	LINELEN	50

int main(int ac, char *av[])
{
	char	*filename;
	long	filesize;
	int	fd;
	char	buf[BUFSIZ];
	int	i;

	/**
	 * arg handling 
	 **/
	if ( ac != 3 ){
		fprintf(stderr,"usage: makemystery1 filename filesize\n");
		exit(1);
	}
	filename = av[1];
	filesize = atol(av[2]);

	/**
	 * initial steps
	 **/
	if ( (fd=creat(filename,0644)) == -1 ){
		perror(filename);
		exit(2);
	}

	for(i=0;i<BUFSIZ;i++)
		if ( (i%LINELEN) == LINELEN-1 )
			buf[i] = '\n';
		else
			buf[i] = 'x';

	/**
	 * write the stuff
	 **/
	while( filesize > 0 ){
		write(fd, buf, (filesize>=BUFSIZ?BUFSIZ:filesize));
		filesize -= BUFSIZ;
	}
	close(fd);
	return 0;
}