1 /*	$OpenBSD: rcsutil.h,v 1.15 2016/07/04 01:39:12 millert Exp $	*/
2 /*
3  * Copyright (c) 2006 Xavier Santolaria <xsa@openbsd.org>
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. The name of the author may not be used to endorse or promote products
13  *    derived from this software without specific prior written permission.
14  *
15  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
16  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
17  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
18  * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19  * EXEMPLARY, OR CONSEQUENTIAL  DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
21  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
22  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
23  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
24  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  */
26 
27 #ifndef RCSUTIL_H
28 #define RCSUTIL_H
29 
30 struct rcs_line {
31 	u_char			*l_line;
32 	int			 l_lineno;
33 	size_t			 l_len;
34 	TAILQ_ENTRY(rcs_line)	 l_list;
35 };
36 
37 TAILQ_HEAD(tqh, rcs_line);
38 
39 struct rcs_lines {
40 	int		 l_nblines;
41 	struct tqh	 l_lines;
42 };
43 
44 /* rcsutil.c */
45 BUF			*rcs_patchfile(u_char *, size_t, u_char *, size_t,
46 			    int (*p)(struct rcs_lines *,struct rcs_lines *));
47 struct rcs_lines	*rcs_splitlines(u_char *, size_t);
48 void			 rcs_freelines(struct rcs_lines *);
49 
50 #endif	/* RCSUTIL_H */