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/* $OpenBSD: pch.h,v 1.14 2023/07/12 11:26:13 tb Exp $ */
/*
* patch - a program to apply diffs to original files
*
* Copyright 1986, Larry Wall
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following condition is met:
* 1. Redistributions of source code must retain the above copyright notice,
* this condition and the following disclaimer.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* -C option added in 1998, original code by Marc Espie, based on FreeBSD
* behaviour
*/
#define OLD_FILE 0
#define NEW_FILE 1
#define INDEX_FILE 2
#define MAX_FILE 3
struct file_name {
char *path;
bool exists;
};
extern FILE *pfp;
extern LINENUM p_input_line;
void re_patch(void);
void open_patch_file(const char *);
void set_hunkmax(void);
bool there_is_another_patch(void);
void next_intuit_at(off_t, LINENUM);
bool another_hunk(void);
int pgetline(char **, size_t *, FILE *);
bool pch_swap(void);
LINENUM pch_first(void);
LINENUM pch_ptrn_lines(void);
LINENUM pch_newfirst(void);
LINENUM pch_repl_lines(void);
LINENUM pch_end(void);
LINENUM pch_context(void);
ssize_t pch_line_len(LINENUM);
char pch_char(LINENUM);
char *pfetch(LINENUM);
LINENUM pch_hunk_beg(void);
LINENUM strtolinenum(char *, char **);
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