common/log.h

   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  *      $Id: log.h,v 10.4 2002/06/08 21:00:33 skimo Exp $ (Berkeley) $Date: 2002/06/08 21:00:33 $
  10  */
  11
  12 #define LOG_NOTYPE              0
  13 #define LOG_CURSOR_INIT         2
  14 #define LOG_CURSOR_END          3
  15 #define LOG_LINE_APPEND_B       4
  16 #define LOG_LINE_APPEND_F       5
  17 #define LOG_LINE_DELETE_B       6
  18 #define LOG_LINE_DELETE_F       7
  19 #define LOG_LINE_RESET_B        8
  20 #define LOG_LINE_RESET_F        9
  21 #define LOG_MARK                10
  22
  23 typedef enum { UNDO_FORWARD, UNDO_BACKWARD, UNDO_SETLINE } undo_t;
  24
  25 struct _log_state {
  26         int     didop;
  27         MARK    pos;
  28         undo_t  undo;
  29 };