1/*-
2 * Copyright 1986, Larry Wall
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following condition is met:
6 * 1. Redistributions of source code must retain the above copyright notice,
7 * this condition and the following disclaimer.
8 *
9 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
10 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
11 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
12 * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
13 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
14 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
15 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
16 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
17 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
18 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
19 * SUCH DAMAGE.
20 *
21 * patch - a program to apply diffs to original files
22 *
23 * -C option added in 1998, original code by Marc Espie, based on FreeBSD
24 * behaviour
25 *
26 * $OpenBSD: pch.h,v 1.9 2003/10/31 20:20:45 millert Exp $
27 */
28
29#define	OLD_FILE	0
30#define	NEW_FILE	1
31#define	INDEX_FILE	2
32#define	MAX_FILE	3
33
34struct file_name {
35	char *path;
36	bool exists;
37};
38
39extern char	*source_file;
40
41void		re_patch(void);
42void		open_patch_file(const char *);
43void		set_hunkmax(void);
44bool		there_is_another_patch(void);
45bool		another_hunk(void);
46bool		pch_swap(void);
47char		*pfetch(LINENUM);
48size_t		pch_line_len(LINENUM);
49LINENUM		pch_first(void);
50LINENUM		pch_ptrn_lines(void);
51LINENUM		pch_newfirst(void);
52LINENUM		pch_repl_lines(void);
53LINENUM		pch_end(void);
54LINENUM		pch_context(void);
55LINENUM		pch_hunk_beg(void);
56char		pch_char(LINENUM);
57void		do_ed_script(void);
58