patch_cmds/patch/pch.h

   1 /*      $OpenBSD: pch.h,v 1.9 2003/10/31 20:20:45 millert Exp $ */
   2
   3 /*
   4  * patch - a program to apply diffs to original files
   5  *
   6  * Copyright 1986, Larry Wall
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following condition is met:
  10  * 1. Redistributions of source code must retain the above copyright notice,
  11  * this condition and the following disclaimer.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  15  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  16  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
  17  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  19  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  20  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  23  * SUCH DAMAGE.
  24  *
  25  * -C option added in 1998, original code by Marc Espie, based on FreeBSD
  26  * behaviour
  27  */
  28
  29 #define OLD_FILE        0
  30 #define NEW_FILE        1
  31 #define INDEX_FILE      2
  32 #define MAX_FILE        3
  33
  34 struct file_name {
  35         char *path;
  36         bool exists;
  37 };
  38
  39 void            re_patch(void);
  40 void            open_patch_file(const char *);
  41 void            set_hunkmax(void);
  42 bool            there_is_another_patch(void);
  43 bool            another_hunk(void);
  44 bool            pch_swap(void);
  45 char            *pfetch(LINENUM);
  46 short           pch_line_len(LINENUM);
  47 LINENUM         pch_first(void);
  48 LINENUM         pch_ptrn_lines(void);
  49 LINENUM         pch_newfirst(void);
  50 LINENUM         pch_repl_lines(void);
  51 LINENUM         pch_end(void);
  52 LINENUM         pch_context(void);
  53 LINENUM         pch_hunk_beg(void);
  54 char            pch_char(LINENUM);
  55 char            *pfetch(LINENUM);
  56 void            do_ed_script(void);