xref: /freebsd/usr.bin/patch/pch.h (revision 640235e2c2ba32947f7c59d168437ffa1280f1e6)
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  * $FreeBSD$
28  */
29 
30 #define	OLD_FILE	0
31 #define	NEW_FILE	1
32 #define	INDEX_FILE	2
33 #define	MAX_FILE	3
34 
35 struct file_name {
36 	char *path;
37 	bool exists;
38 };
39 
40 void		re_patch(void);
41 void		open_patch_file(const char *);
42 void		set_hunkmax(void);
43 bool		there_is_another_patch(void);
44 bool		another_hunk(void);
45 bool		pch_swap(void);
46 char		*pfetch(LINENUM);
47 unsigned short	pch_line_len(LINENUM);
48 LINENUM		pch_first(void);
49 LINENUM		pch_ptrn_lines(void);
50 LINENUM		pch_newfirst(void);
51 LINENUM		pch_repl_lines(void);
52 LINENUM		pch_end(void);
53 LINENUM		pch_context(void);
54 LINENUM		pch_hunk_beg(void);
55 char		pch_char(LINENUM);
56 void		do_ed_script(void);
57