#include <fcntl.h>
#include <sys/types.h>
#include <sys/mount.h>
#include "DiskSize.h"

long
get_size_of_disk(disk)
    const char *	disk;
{
    int		  fd;
    unsigned long ul;
    if ((fd = open (disk, O_RDONLY)) == -1) {
	return 0; /* couldn't open */
    }
    if (ioctl (fd, BLKGETSIZE, &ul) == -1) {
	return 0; /* couldn't ioctl */
    }
    close (fd);
    return ul / 2;
}