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      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 
     38 struct file_name {
     39 	char *path;
     40 	bool exists;
     41 };
     42 
     43 void		re_patch(void);
     44 void		open_patch_file(const char *);
     45 void		set_hunkmax(void);
     46 bool		there_is_another_patch(void);
     47 bool		another_hunk(void);
     48 bool		pch_swap(void);
     49 char		*pfetch(LINENUM);
     50 ssize_t		pch_line_len(LINENUM);
     51 LINENUM		pch_first(void);
     52 LINENUM		pch_ptrn_lines(void);
     53 LINENUM		pch_newfirst(void);
     54 LINENUM		pch_repl_lines(void);
     55 LINENUM		pch_end(void);
     56 LINENUM		pch_context(void);
     57 LINENUM		pch_hunk_beg(void);
     58 char		pch_char(LINENUM);
     59 void		do_ed_script(void);
     60