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1/* $OpenBSD: pch.h,v 1.14 2023/07/12 11:26:13 tb Exp $ */
2
3/*
4 * patch - a program to apply diffs to original files
5 *
6 * Copyright 1986, Larry Wall
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following condition is met:
10 * 1. Redistributions of source code must retain the above copyright notice,
11 * this condition and the following disclaimer.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
16 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
17 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
19 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
20 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 *
25 * -C option added in 1998, original code by Marc Espie, based on FreeBSD
26 * behaviour
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 FILE *pfp;
40extern LINENUM p_input_line;
41
42void re_patch(void);
43void open_patch_file(const char *);
44void set_hunkmax(void);
45bool there_is_another_patch(void);
46void next_intuit_at(off_t, LINENUM);
47bool another_hunk(void);
48int pgetline(char **, size_t *, FILE *);
49bool pch_swap(void);
50LINENUM pch_first(void);
51LINENUM pch_ptrn_lines(void);
52LINENUM pch_newfirst(void);
53LINENUM pch_repl_lines(void);
54LINENUM pch_end(void);
55LINENUM pch_context(void);
56ssize_t pch_line_len(LINENUM);
57char pch_char(LINENUM);
58char *pfetch(LINENUM);
59LINENUM pch_hunk_beg(void);
60LINENUM strtolinenum(char *, char **);