external/bsd/nvi/dist/common/log.h

   1 /*      $NetBSD: log.h,v 1.2 2013/11/22 15:52:05 christos Exp $ */
   2 /*-
   3  * Copyright (c) 1992, 1993, 1994
   4  *      The Regents of the University of California.  All rights reserved.
   5  * Copyright (c) 1992, 1993, 1994, 1995, 1996
   6  *      Keith Bostic.  All rights reserved.
   7  *
   8  * See the LICENSE file for redistribution information.
   9  *
  10  *      Id: log.h,v 10.4 2002/06/08 21:00:33 skimo Exp  (Berkeley) Date: 2002/06/08 21:00:33
  11  */
  12
  13 #define LOG_NOTYPE              0
  14 #define LOG_CURSOR_INIT         2
  15 #define LOG_CURSOR_END          3
  16 #define LOG_LINE_APPEND_B       4
  17 #define LOG_LINE_APPEND_F       5
  18 #define LOG_LINE_DELETE_B       6
  19 #define LOG_LINE_DELETE_F       7
  20 #define LOG_LINE_RESET_B        8
  21 #define LOG_LINE_RESET_F        9
  22 #define LOG_MARK                10
  23
  24 typedef enum { UNDO_FORWARD, UNDO_BACKWARD, UNDO_SETLINE } undo_t;
  25
  26 struct _log_state {
  27         int     didop;
  28         MARK    pos;
  29         undo_t  undo;
  30 };