contrib/nvi/ex/ex_open.c

   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 }