usr.bin/patch/pch.h

   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: head/usr.bin/patch/pch.h 354328 2019-11-04 03:07:01Z kevans $
  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 extern char     *source_file;
  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 unsigned short  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);