xref: /openbsd-src/usr.bin/patch/pch.h (revision 0b7734b3d77bb9b21afec6f4621cae6c805dbd45)
1 void		next_intuit_at(off_t, LINENUM);
2 LINENUM		strtolinenum(char *, char **);
3 
4 extern FILE	*pfp;
5 extern LINENUM	p_input_line;
6 char		*pgets(char *, int, FILE *);
7 /*	$OpenBSD: pch.h,v 1.10 2015/10/16 07:33:47 tobias Exp $	*/
8 
9 /*
10  * patch - a program to apply diffs to original files
11  *
12  * Copyright 1986, Larry Wall
13  *
14  * Redistribution and use in source and binary forms, with or without
15  * modification, are permitted provided that the following condition is met:
16  * 1. Redistributions of source code must retain the above copyright notice,
17  * this condition and the following disclaimer.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
20  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
23  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
25  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
26  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  *
31  * -C option added in 1998, original code by Marc Espie, based on FreeBSD
32  * behaviour
33  */
34 
35 #define OLD_FILE	0
36 #define NEW_FILE	1
37 #define INDEX_FILE	2
38 #define MAX_FILE	3
39 
40 struct file_name {
41 	char *path;
42 	bool exists;
43 };
44 
45 void		re_patch(void);
46 void		open_patch_file(const char *);
47 void		set_hunkmax(void);
48 bool		there_is_another_patch(void);
49 bool		another_hunk(void);
50 bool		pch_swap(void);
51 char		*pfetch(LINENUM);
52 short		pch_line_len(LINENUM);
53 LINENUM		pch_first(void);
54 LINENUM		pch_ptrn_lines(void);
55 LINENUM		pch_newfirst(void);
56 LINENUM		pch_repl_lines(void);
57 LINENUM		pch_end(void);
58 LINENUM		pch_context(void);
59 LINENUM		pch_hunk_beg(void);
60 char		pch_char(LINENUM);
61 char		*pfetch(LINENUM);
62