Function io_uring_recvmsg_cmsg_nexthdr

src/include/liburing.h:1235–1255

}

IOURINGINLINE struct cmsghdr *
io_uring_recvmsg_cmsg_nexthdr(struct io_uring_recvmsg_out *o, struct msghdr *msgh,
			      struct cmsghdr *cmsg)
	LIBURING_NOEXCEPT
{
	unsigned char *end;

	if (cmsg->cmsg_len < sizeof(struct cmsghdr))
		return NULL;
	end = (unsigned char *) io_uring_recvmsg_cmsg_firsthdr(o, msgh) +
		o->controllen;
	cmsg = (struct cmsghdr *)((unsigned char *) cmsg +
			CMSG_ALIGN(cmsg->cmsg_len));

	if ((unsigned char *) (cmsg + 1) > end)
		return NULL;
	if (((unsigned char *) cmsg) + CMSG_ALIGN(cmsg->cmsg_len) > end)
		return NULL;

	return cmsg;
}

IOURINGINLINE void *io_uring_recvmsg_payload(struct io_uring_recvmsg_out *o,
					     struct msghdr *msgh)