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[unix-history] / usr.bin / vi / ex / ex_open.c
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1/*-
2 * Copyright (c) 1993, 1994
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35static char sccsid[] = "@(#)ex_open.c 8.3 (Berkeley) 3/8/94";
36#endif /* not lint */
37
38#include <sys/types.h>
39#include <queue.h>
40#include <sys/time.h>
41
42#include <bitstring.h>
43#include <limits.h>
44#include <signal.h>
45#include <stdio.h>
46#include <termios.h>
47
48#include <db.h>
49#include <regex.h>
50
51#include "vi.h"
52#include "excmd.h"
53
54/*
55 * ex_open -- :[line] o[pen] [/pattern/] [flags]
56 *
57 * Switch to single line "open" mode.
58 */
59int
60ex_open(sp, ep, cmdp)
61 SCR *sp;
62 EXF *ep;
63 EXCMDARG *cmdp;
64{
65 /* If open option off, disallow open command. */
66 if (!O_ISSET(sp, O_OPEN)) {
67 msgq(sp, M_ERR,
68 "The open command requires that the open option be set.");
69 return (1);
70 }
71
72 msgq(sp, M_ERR, "The open command is not yet implemented.");
73 return (1);
74}