Function crcopy

freebsd/kern/kern_prot.c:2098–2117

* Copy a ucred's contents from a template. Does not block. */

 * Copy a ucred's contents from a template.  Does not block.
 */
void
crcopy(struct ucred *dest, struct ucred *src)
{

	KASSERT(dest->cr_ref == 1, ("crcopy of shared ucred"));
	bcopy(&src->cr_startcopy, &dest->cr_startcopy,
	    (unsigned)((caddr_t)&src->cr_endcopy -
		(caddr_t)&src->cr_startcopy));
	crsetgroups(dest, src->cr_ngroups, src->cr_groups);
	uihold(dest->cr_uidinfo);
	uihold(dest->cr_ruidinfo);
	prison_hold(dest->cr_prison);
	loginclass_hold(dest->cr_loginclass);
#ifdef AUDIT
	audit_cred_copy(src, dest);
#endif
#ifdef MAC
	mac_cred_copy(src, dest);
#endif
}

/*
 * Dup cred struct to a new held one.