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