usr.bin/patch/pch.h

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