1156230Smux/*-
2156230Smux * Copyright (c) 2003-2006, Maxime Henrion <mux@FreeBSD.org>
3156230Smux * All rights reserved.
4156230Smux *
5156230Smux * Redistribution and use in source and binary forms, with or without
6156230Smux * modification, are permitted provided that the following conditions
7156230Smux * are met:
8156230Smux * 1. Redistributions of source code must retain the above copyright
9156230Smux *    notice, this list of conditions and the following disclaimer.
10156230Smux * 2. Redistributions in binary form must reproduce the above copyright
11156230Smux *    notice, this list of conditions and the following disclaimer in the
12156230Smux *    documentation and/or other materials provided with the distribution.
13156230Smux *
14156230Smux * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15156230Smux * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16156230Smux * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17156230Smux * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18156230Smux * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19156230Smux * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20156230Smux * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21156230Smux * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22156230Smux * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23156230Smux * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24156230Smux * SUCH DAMAGE.
25156230Smux *
26156230Smux * $FreeBSD$
27156230Smux */
28156230Smux#ifndef _DIFF_H_
29156230Smux#define _DIFF_H_
30156230Smux
31156230Smuxstruct stream;
32156230Smuxstruct keyword;
33156230Smuxstruct file_update;
34156230Smux
35156230Smux/* Description of an RCS delta. */
36156230Smuxstruct diffinfo {
37156230Smux	char *di_rcsfile;			/* RCS filename */
38156230Smux	char *di_cvsroot;			/* CVS root prefix */
39156230Smux	char *di_revnum;			/* Revision number */
40156230Smux	char *di_revdate;			/* Revision date */
41156230Smux	char *di_author;			/* Author of the delta */
42156230Smux	char *di_tag;				/* CVS tag, if any */
43156230Smux	char *di_state;				/* State of the branch */
44156230Smux	int di_expand;				/* CVS expansion mode */
45156230Smux};
46156230Smux
47156230Smuxint		 diff_apply(struct stream *, struct stream *, struct stream *,
48186781Slulf		     struct keyword *, struct diffinfo *, int);
49186781Slulfint		 diff_reverse(struct stream *, struct stream *,
50186781Slulf		     struct stream *, struct keyword *, struct diffinfo *);
51156230Smux
52156230Smux#endif /* !_DIFF_H_ */
53