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- /* getversion.c -- select backup filename type
- Copyright (C) 1990 Free Software Foundation, Inc.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 1, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- /* Written by David MacKenzie <djm@ai.mit.edu> */
-
- /* MS-DOS port (c) 1990 by Thorsten Ohl, ohl@gnu.ai.mit.edu
- This port is also distributed under the terms of the
- GNU General Public License as published by the
- Free Software Foundation.
-
- Please note that this file is not identical to the
- original GNU release, you should have received this
- code as patch to the official release.
-
- $Header: e:/gnu/fileutil/RCS/getversi.c 1.4.0.2 90/09/19 12:27:31 tho Exp $
- */
-
- #include "backupfile.h"
-
- #ifdef MSDOS
- extern enum backup_type get_version (char *version);
- extern int argmatch (char *arg, char **optlist);
- extern void invalid_arg (char *kind, char *value, int problem);
- #else /* not MSDOS */
- int argmatch ();
- void invalid_arg ();
- #endif /* not MSDOS */
-
- extern char *program_name;
-
- static char *backup_args[] =
- {
- "never", "simple", "nil", "existing", "t", "numbered", 0
- };
-
- static enum backup_type backup_types[] =
- {
- simple, simple, numbered_existing, numbered_existing, numbered, numbered
- };
-
- /* Return the type of backup indicated by VERSION.
- Unique abbreviations are accepted. */
-
- enum backup_type
- get_version (version)
- char *version;
- {
- int i;
-
- if (version == 0 || *version == 0)
- return numbered_existing;
- i = argmatch (version, backup_args);
- if (i >= 0)
- return backup_types[i];
- invalid_arg ("version control type", version, i);
- return numbered_existing;
- }
-