usr.bin/patch/backupfile.h

   1 /*
   2  * $OpenBSD: backupfile.h,v 1.6 2003/07/28 18:35:36 otto Exp $
   3  * $DragonFly: src/usr.bin/patch/backupfile.h,v 1.3 2007/09/29 23:11:10 swildner Exp $
   4  * $NetBSD$
   5  */
   6
   7 /*
   8  * backupfile.h -- declarations for making Emacs style backup file names
   9  * Copyright (C) 1990 Free Software Foundation, Inc.
  10  *
  11  * This program is free software; you can redistribute it and/or modify it
  12  * without restriction.
  13  *
  14  * This program is distributed in the hope that it will be useful, but WITHOUT
  15  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  16  * FITNESS FOR A PARTICULAR PURPOSE.
  17  *
  18  */
  19
  20 /* When to make backup files. */
  21 enum backup_type {
  22         /* Never make backups. */
  23         none,
  24
  25         /* Make simple backups of every file. */
  26         simple,
  27
  28         /*
  29          * Make numbered backups of files that already have numbered backups,
  30          * and simple backups of the others.
  31          */
  32         numbered_existing,
  33
  34         /* Make numbered backups of every file. */
  35         numbered
  36 };
  37
  38 extern enum backup_type backup_type;
  39 extern const char       *simple_backup_suffix;
  40
  41 char            *find_backup_file_name(const char *file);
  42 enum backup_type get_version(const char *version);