128 	size_t			 av, left, datalen;  in imsg_get()  local
143 	datalen = imsg->hdr.len - IMSG_HEADER_SIZE;  in imsg_get()
145 	if (datalen == 0)  in imsg_get()
147 	else if ((imsg->data = malloc(datalen)) == NULL)  in imsg_get()
155 	memcpy(imsg->data, ibuf->r.rptr, datalen);  in imsg_get()
164 	return (datalen + IMSG_HEADER_SIZE);  in imsg_get()
169     pid_t pid, int fd, const void *data, u_int16_t datalen)  in imsg_compose()  argument
173 	if ((wbuf = imsg_create(ibuf, type, peerid, pid, datalen)) == NULL)  in imsg_compose()
176 	if (imsg_add(wbuf, data, datalen) == -1)  in imsg_compose()
191 	int		 i, datalen = 0;  in imsg_composev()  local
194 		datalen += iov[i].iov_len;  in imsg_composev()
196 	if ((wbuf = imsg_create(ibuf, type, peerid, pid, datalen)) == NULL)  in imsg_composev()
213     pid_t pid, u_int16_t datalen)  in imsg_create()  argument
218 	datalen += IMSG_HEADER_SIZE;  in imsg_create()
219 	if (datalen > MAX_IMSGSIZE) {  in imsg_create()
229 	if ((wbuf = ibuf_dynamic(datalen, MAX_IMSGSIZE)) == NULL) {  in imsg_create()
239 imsg_add(struct ibuf *msg, const void *data, u_int16_t datalen)  in imsg_add()  argument
241 	if (datalen)  in imsg_add()
242 		if (ibuf_add(msg, data, datalen) == -1) {  in imsg_add()
246 	return (datalen);  in imsg_add()