Function right_to_index

freebsd/kern/subr_capability.c:160–172

#define	CAPARSIZE_MAX	(CAP_RIGHTS_VERSION + 2)

static __inline int
right_to_index(uint64_t right)
{
	static const int bit2idx[] = {
		-1, 0, 1, -1, 2, -1, -1, -1, 3, -1, -1, -1, -1, -1, -1, -1,
		4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
	};
	int idx;

	idx = CAPIDXBIT(right);
	assert(idx >= 0 && idx < sizeof(bit2idx) / sizeof(bit2idx[0]));
	return (bit2idx[idx]);
}

static void
cap_rights_vset(cap_rights_t *rights, va_list ap)