xref: /freebsd/contrib/nvi/ex/ex_mark.c (revision 641a6cfb86023499caafe26a4d821a0b885cf00b)
1 /*-
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.
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_mark.c	10.8 (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_mark -- :mark char
27  *	      :k char
28  *	Mark lines.
29  *
30  *
31  * PUBLIC: int ex_mark __P((SCR *, EXCMD *));
32  */
33 int
34 ex_mark(sp, cmdp)
35 	SCR *sp;
36 	EXCMD *cmdp;
37 {
38 	NEEDFILE(sp, cmdp);
39 
40 	if (cmdp->argv[0]->len != 1) {
41 		msgq(sp, M_ERR, "136|Mark names must be a single character");
42 		return (1);
43 	}
44 	return (mark_set(sp, cmdp->argv[0]->bp[0], &cmdp->addr1, 1));
45 }
46