xref: /freebsd/contrib/nvi/ex/ex_open.c (revision 1669d8afc64812c8d2d1d147ae1fd42ff441e1b1)
1 /*-
2  * Copyright (c) 1993, 1994
3  *	The Regents of the University of California.  All rights reserved.
4  * Copyright (c) 1993, 1994, 1995, 1996
5  *	Keith Bostic.  All rights reserved.
6  *
7  * See the LICENSE file for redistribution information.
8  */
9 
10 #include "config.h"
11 
12 #ifndef lint
13 static const char sccsid[] = "@(#)ex_open.c	10.7 (Berkeley) 3/6/96";
14 #endif /* not lint */
15 
16 #include <sys/types.h>
17 #include <sys/queue.h>
18 
19 #include <bitstring.h>
20 #include <limits.h>
21 #include <stdio.h>
22 
23 #include "../common/common.h"
24 
25 /*
26  * ex_open -- :[line] o[pen] [/pattern/] [flags]
27  *
28  *	Switch to single line "open" mode.
29  *
30  * PUBLIC: int ex_open __P((SCR *, EXCMD *));
31  */
32 int
33 ex_open(sp, cmdp)
34 	SCR *sp;
35 	EXCMD *cmdp;
36 {
37 	/* If open option off, disallow open command. */
38 	if (!O_ISSET(sp, O_OPEN)) {
39 		msgq(sp, M_ERR,
40 	    "140|The open command requires that the open option be set");
41 		return (1);
42 	}
43 
44 	msgq(sp, M_ERR, "141|The open command is not yet implemented");
45 	return (1);
46 }
47