1171840Sdanger/*-
2171840Sdanger * Copyright (c) 2003-2006, Maxime Henrion <mux@FreeBSD.org>
3171840Sdanger * All rights reserved.
4171840Sdanger *
5171840Sdanger * Redistribution and use in source and binary forms, with or without
6171840Sdanger * modification, are permitted provided that the following conditions
7171840Sdanger * are met:
8171840Sdanger * 1. Redistributions of source code must retain the above copyright
9171840Sdanger *    notice, this list of conditions and the following disclaimer.
10171840Sdanger * 2. Redistributions in binary form must reproduce the above copyright
11171840Sdanger *    notice, this list of conditions and the following disclaimer in the
12171840Sdanger *    documentation and/or other materials provided with the distribution.
13171840Sdanger *
14171840Sdanger * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15171840Sdanger * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16171840Sdanger * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17171840Sdanger * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18171840Sdanger * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19171840Sdanger * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20171840Sdanger * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21171840Sdanger * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22171840Sdanger * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23171840Sdanger * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24171840Sdanger * SUCH DAMAGE.
25171840Sdanger *
26171840Sdanger * $FreeBSD$
27171840Sdanger */
28171840Sdanger#ifndef _DIFF_H_
29171840Sdanger#define _DIFF_H_
30171840Sdanger
31171840Sdangerstruct stream;
32171840Sdangerstruct keyword;
33171840Sdangerstruct file_update;
34171840Sdanger
35171840Sdanger/* Description of an RCS delta. */
36171840Sdangerstruct diffinfo {
37171840Sdanger	char *di_rcsfile;			/* RCS filename */
38171840Sdanger	char *di_cvsroot;			/* CVS root prefix */
39171840Sdanger	char *di_revnum;			/* Revision number */
40171840Sdanger	char *di_revdate;			/* Revision date */
41171840Sdanger	char *di_author;			/* Author of the delta */
42171840Sdanger	char *di_tag;				/* CVS tag, if any */
43171840Sdanger	char *di_state;				/* State of the branch */
44171840Sdanger	int di_expand;				/* CVS expansion mode */
45171840Sdanger};
46171840Sdanger
47171840Sdangerint		 diff_apply(struct stream *, struct stream *, struct stream *,
48171840Sdanger		     struct keyword *, struct diffinfo *, int);
49171840Sdangerint		 diff_reverse(struct stream *, struct stream *,
50171840Sdanger		     struct stream *, struct keyword *, struct diffinfo *);
51171840Sdanger
52171840Sdanger#endif /* !_DIFF_H_ */
53171840Sdanger