usr.bin/cvs/rcs.c

1228 	struct rcs_delta *rdp, *prevrdp, *nextrdp;
1245 	 * When the HEAD revision got specified, nextrdp will be NULL.
1249 	nextrdp = (struct rcs_delta *)TAILQ_PREV(rdp, tqh, rd_list);
1255 	if (prevrdp != NULL && nextrdp != NULL) {
1260 		fd1 = rcs_rev_write_stmp(rf, nextrdp->rd_num, path_tmp1, 0);
1274 	} else if (nextrdp == NULL && prevrdp != NULL) {
1286 	if (prevrdp != NULL && nextrdp != NULL) {
1287 		rcsnum_cpy(prevrdp->rd_num, nextrdp->rd_next, 0);
1291 	} else if (nextrdp != NULL) {
1292 		free(nextrdp->rd_next);
1293 		nextrdp->rd_next = rcsnum_alloc();