xref: /dragonfly/usr.bin/patch/pch.h (revision 31524921)
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  */
5 
6 /*
7  * patch - a program to apply diffs to original files
8  *
9  * Copyright 1986, Larry Wall
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following condition is met:
13  * 1. Redistributions of source code must retain the above copyright notice,
14  * this condition and the following disclaimer.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
17  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
20  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
23  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  * -C option added in 1998, original code by Marc Espie, based on FreeBSD
29  * behaviour
30  */
31 
32 #define OLD_FILE	0
33 #define NEW_FILE	1
34 #define INDEX_FILE	2
35 #define MAX_FILE	3
36 
37 struct file_name {
38 	char *path;
39 	bool exists;
40 };
41 
42 void		re_patch(void);
43 void		open_patch_file(const char *);
44 void		set_hunkmax(void);
45 bool		there_is_another_patch(void);
46 bool		another_hunk(void);
47 bool		pch_swap(void);
48 char		*pfetch(LINENUM);
49 size_t		pch_line_len(LINENUM);
50 LINENUM		pch_first(void);
51 LINENUM		pch_ptrn_lines(void);
52 LINENUM		pch_newfirst(void);
53 LINENUM		pch_repl_lines(void);
54 LINENUM		pch_end(void);
55 LINENUM		pch_context(void);
56 LINENUM		pch_hunk_beg(void);
57 char		pch_char(LINENUM);
58 void		do_ed_script(void);
59