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Diffstat (limited to 'usr.bin/vi/common/mark.h')
| -rw-r--r-- | usr.bin/vi/common/mark.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/usr.bin/vi/common/mark.h b/usr.bin/vi/common/mark.h new file mode 100644 index 0000000..2c42e50 --- /dev/null +++ b/usr.bin/vi/common/mark.h @@ -0,0 +1,73 @@ +/*- + * Copyright (c) 1992, 1993, 1994 + * 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 8.9 (Berkeley) 7/17/94 + */ + +/* + * 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. */ + +/* Mark routines. */ +int mark_end __P((SCR *, EXF *)); +int mark_get __P((SCR *, EXF *, ARG_CHAR_T, MARK *)); +int mark_init __P((SCR *, EXF *)); +void mark_insdel __P((SCR *, EXF *, enum operation, recno_t)); +int mark_set __P((SCR *, EXF *, ARG_CHAR_T, MARK *, int)); |
