# ifndef lint

static char Sccs_id[] = "%W%	(NTUA hackers)	(%G%)";

# endif


/*
 * empty n file: Create an empty file of size n bytes named `file'
 *	         The value of n can have the suffix M or K specifying
 *               size in megabytes or kilobytes respectively.
 */


#include	<stdio.h>
#include	<ctype.h>


main (argc, argv)
register int     argc;
register char   **argv;

{
	long    k;
	register FILE *fp;
	int fd;
	
	if (argc != 3) {
		fprintf (stderr, "%s: Too many or too few arguments\n", argv[0]);
		exit (1);
	}
	k = atoi (argv[1]);
	while (isdigit (*(argv[1])))
		argv[1]++;
	if (*(argv[1]) == 'K' || *(argv[1]) == 'k')
		k *= 1024;
	if (*(argv[1]) == 'M' || *(argv[1]) == 'm')
		k *= 1048576;
	if (!(fp = fopen (argv[2], "w"))) {
		fprintf (stderr, "%s: can't open/create %s", argv[0], argv[2]);
		exit (2);
	}
	fd = fileno(fp);
	putc(0, fp);
	lseek (fd, k - 2, 1);
	putc(0, fp);
	fclose (fp);
	exit (0);
}