usr.bin/patch/backupfile.h

   1 /*-
   2  * Copyright (C) 1990 Free Software Foundation, Inc.
   3  *
   4  * This program is free software; you can redistribute it and/or modify it
   5  * without restriction.
   6  *
   7  * This program is distributed in the hope that it will be useful, but WITHOUT
   8  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   9  * FITNESS FOR A PARTICULAR PURPOSE.
  10  *
  11  * backupfile.h -- declarations for making Emacs style backup file names
  12  *
  13  * $OpenBSD: backupfile.h,v 1.6 2003/07/28 18:35:36 otto Exp $
  14  * $FreeBSD: head/usr.bin/patch/backupfile.h 246091 2013-01-29 20:05:16Z delphij $
  15  */
  16
  17 /* When to make backup files. */
  18 enum backup_type {
  19         /* Never make backups. */
  20         none,
  21
  22         /* Make simple backups of every file. */
  23         simple,
  24
  25         /*
  26          * Make numbered backups of files that already have numbered backups,
  27          * and simple backups of the others.
  28          */
  29         numbered_existing,
  30
  31         /* Make numbered backups of every file. */
  32         numbered
  33 };
  34
  35 extern enum backup_type backup_type;
  36 extern const char       *simple_backup_suffix;
  37
  38 char            *find_backup_file_name(const char *file);
  39 enum backup_type get_version(const char *version);