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/* $OpenBSD: mark.h,v 1.3 2001/01/29 01:58:30 niklas Exp $ */
/*-
* Copyright (c) 1992, 1993, 1994
* The Regents of the University of California. All rights reserved.
* Copyright (c) 1992, 1993, 1994, 1995, 1996
* Keith Bostic. All rights reserved.
*
* See the LICENSE file for redistribution information.
*
* @(#)mark.h 10.3 (Berkeley) 3/6/96
*/
/*
* The MARK and LMARK structures define positions in the file. There are
* two structures because the mark subroutines are the only places where
* anything cares about something other than line and column.
*
* Because of the different interfaces used by the db(3) package, curses,
* and users, the line number is 1 based and the column number is 0 based.
* Additionally, it is known that the out-of-band line number is less than
* any legal line number. The line number is of type recno_t, as that's
* the underlying type of the database. The column number is of type size_t,
* guaranteeing that we can malloc a line.
*/
struct _mark {
#define OOBLNO 0 /* Out-of-band line number. */
recno_t lno; /* Line number. */
size_t cno; /* Column number. */
};
struct _lmark {
LIST_ENTRY(_lmark) q; /* Linked list of marks. */
recno_t lno; /* Line number. */
size_t cno; /* Column number. */
CHAR_T name; /* Mark name. */
#define MARK_DELETED 0x01 /* Mark was deleted. */
#define MARK_USERSET 0x02 /* User set this mark. */
u_int8_t flags;
};
#define ABSMARK1 '\'' /* Absolute mark name. */
#define ABSMARK2 '`' /* Absolute mark name. */
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