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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 2, 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@gnu.ai.mit.edu> */
-
- #ifdef HAVE_CONFIG_H
- #if defined (CONFIG_BROKETS)
- /* We use <config.h> instead of "config.h" so that a compilation
- using -I. -I$srcdir will use ./config.h rather than $srcdir/config.h
- (which it would do because it found this file in $srcdir). */
- #include <config.h>
- #else
- #include "config.h"
- #endif
- #endif
-
- #include "backupfile.h"
-
- #ifdef STDC_HEADERS
- #include <stdlib.h>
- #endif
-
- int argmatch ();
- void invalid_arg ();
-
- 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);
- exit (1);
- }
-