static uint64_t
last_lba(int filedes)
{
int rc;
uint64_t sectors = 0;
struct stat s;
memset(&s, 0, sizeof (s));
rc = fstat(filedes, &s);
if (rc == -1) {
fprintf(stderr, "last_lba() could not stat: %s\n",
strerror(errno));
return 0;
}
if (S_ISBLK(s.st_mode)) {
sectors = _get_num_sectors(filedes);
} else {
fprintf(stderr,
"last_lba(): I don't know how to handle files with mode %x\n",
s.st_mode);
sectors = 1;
}
return sectors - 1;
}
static uint64_t
last_lba(int fd)
{
int rc;
uint64_t sectors = 0;
struct stat s;
memset(&s, 0, sizeof (s));
rc = fstat(fd, &s);
if (rc == -1)
{
fprintf(stderr, "last_lba() could not stat: %m\n");
return 0;
}
if (S_ISBLK(s.st_mode))
sectors = _get_num_sectors(fd);
else if (S_ISREG(s.st_mode))
sectors = s.st_size >> _get_sector_size(fd);
else
{
