dist/nvi/common/log.h

   1 /*      $NetBSD$ */
   2
   3 /*-
   4  * Copyright (c) 1992, 1993, 1994
   5  *      The Regents of the University of California.  All rights reserved.
   6  * Copyright (c) 1992, 1993, 1994, 1995, 1996
   7  *      Keith Bostic.  All rights reserved.
   8  *
   9  * See the LICENSE file for redistribution information.
  10  *
  11  *      Id: log.h,v 10.4 2002/06/08 21:00:33 skimo Exp (Berkeley) Date: 2002/06/08 21:00:33
  12  */
  13
  14 #define LOG_NOTYPE              0
  15 #define LOG_CURSOR_INIT         2
  16 #define LOG_CURSOR_END          3
  17 #define LOG_LINE_APPEND_B       4
  18 #define LOG_LINE_APPEND_F       5
  19 #define LOG_LINE_DELETE_B       6
  20 #define LOG_LINE_DELETE_F       7
  21 #define LOG_LINE_RESET_B        8
  22 #define LOG_LINE_RESET_F        9
  23 #define LOG_MARK                10
  24
  25 typedef enum { UNDO_FORWARD, UNDO_BACKWARD, UNDO_SETLINE } undo_t;
  26
  27 struct _log_state {
  28         int     didop;
  29         MARK    pos;
  30         undo_t  undo;
  31 };