1 /* getversion.c -- select backup filename type
2 Copyright (C) 1990, 1998, 2000, 2003 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2, or (at your option)
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software Foundation,
16 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
18 /* Written by David MacKenzie <djm@gnu.ai.mit.edu> */
24 #include "backupfile.h"
31 extern char *program_name;
33 static const char *const backup_args[] =
35 "never", "simple", "nil", "existing", "t", "numbered", 0
38 static const enum backup_type backup_types[] =
40 simple, simple, numbered_existing, numbered_existing, numbered, numbered
43 /* Return the type of backup indicated by VERSION.
44 Unique abbreviations are accepted. */
47 get_version (const char *version)
51 if (version == 0 || *version == 0)
52 return numbered_existing;
53 i = argmatch (version, backup_args);
55 return backup_types[i];
56 invalid_arg ("version control type", version, i);