2 * Copyright (c) 1992, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
4 * Copyright (c) 1992, 1993, 1994, 1995, 1996
5 * Keith Bostic. All rights reserved.
7 * See the LICENSE file for redistribution information.
13 static const char sccsid[] = "@(#)ex_equal.c 10.10 (Berkeley) 3/6/96";
16 #include <sys/types.h>
17 #include <sys/queue.h>
19 #include <bitstring.h>
23 #include "../common/common.h"
26 * ex_equal -- :address =
28 * PUBLIC: int ex_equal __P((SCR *, EXCMD *));
40 * Print out the line number matching the specified address,
41 * or the number of the last line in the file if no address
45 * Historically, ":0=" displayed 0, and ":=" or ":1=" in an
46 * empty file displayed 1. Until somebody complains loudly,
47 * we're going to do it right. The tables in excmd.c permit
48 * lno to get away with any address from 0 to the end of the
49 * file, which, in an empty file, is 0.
51 if (F_ISSET(cmdp, E_ADDR_DEF)) {
52 if (db_last(sp, &lno))
55 lno = cmdp->addr1.lno;
57 (void)ex_printf(sp, "%ld\n", lno);