}
if (TAPE_BSIZE != (1 << (ffs(TAPE_BSIZE)-1))) {
Emsg1(M_ABORT, 0, "Tape block size (%d) is not a power of 2\n", TAPE_BSIZE);
}
if (TAPE_BSIZE != (1 << (ffs(TAPE_BSIZE)-1))) {
Emsg1(M_ABORT, 0, "Tape block size (%d) is not a power of 2\n", TAPE_BSIZE);