1/*
2 * $OpenBSD: pch.h,v 1.9 2003/10/31 20:20:45 millert Exp $
3 * $DragonFly: src/usr.bin/patch/pch.h,v 1.1 2004/09/24 18:44:28 joerg Exp $
4 * $NetBSD: pch.h,v 1.11 2024/07/12 15:48:39 manu Exp $
5 */
6
7/*
8 * patch - a program to apply diffs to original files
9 *
10 * Copyright 1986, Larry Wall
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following condition is met:
14 * 1. Redistributions of source code must retain the above copyright notice,
15 * this condition and the following disclaimer.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
23 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
24 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * -C option added in 1998, original code by Marc Espie, based on FreeBSD
30 * behaviour
31 */
32
33#define OLD_FILE	0
34#define NEW_FILE	1
35#define INDEX_FILE	2
36#define MAX_FILE	3
37
38struct file_name {
39	char *path;
40	bool exists;
41};
42
43void		re_patch(void);
44void		open_patch_file(const char *);
45void		set_hunkmax(void);
46bool		there_is_another_patch(void);
47bool		another_hunk(void);
48bool		pch_swap(void);
49char		*pfetch(LINENUM);
50ssize_t		pch_line_len(LINENUM);
51LINENUM		pch_first(void);
52LINENUM		pch_ptrn_lines(void);
53LINENUM		pch_newfirst(void);
54LINENUM		pch_repl_lines(void);
55LINENUM		pch_end(void);
56LINENUM		pch_context(void);
57LINENUM		pch_hunk_beg(void);
58char		pch_char(LINENUM);
59void		do_ed_script(void);
60