contrib/nvi/ex/ex_mark.c

   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 }