/*- * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)mark.h 8.1 (Berkeley) 6/9/93 */ /* * The MARK structure defines a position in the file. Because of the different * interfaces used by the db(3) package, curses, and users, the line number is * 1 based, while 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 so that we can malloc a line. */ typedef struct _mark { #define OOBLNO 0 /* Out-of-band line number. */ recno_t lno; /* Line number. */ size_t cno; /* Column number. */ } MARK; #define ABSMARK1 '\'' /* Absolute mark name. */ #define ABSMARK2 '`' /* Absolute mark name. */ /* Mark routines. */ void mark_delete __P((struct _scr *, struct _exf *, MARK *, MARK *, int)); MARK *mark_get __P((struct _scr *, struct _exf *, int)); int mark_init __P((struct _scr *, struct _exf *)); void mark_insert __P((struct _scr *, struct _exf *, MARK *, MARK *)); int mark_set __P((struct _scr *, struct _exf *, int, MARK *));