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61 lines
1.6 KiB
C
61 lines
1.6 KiB
C
/* getversion.c -- select backup filename type
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Copyright (C) 1990, 1998 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/* Written by David MacKenzie <djm@gnu.ai.mit.edu> */
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#if HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "backupfile.h"
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#if STDC_HEADERS
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# include <stdlib.h>
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#endif
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int argmatch ();
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void invalid_arg ();
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extern char *program_name;
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static const char *const backup_args[] =
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{
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"never", "simple", "nil", "existing", "t", "numbered", 0
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};
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static const enum backup_type backup_types[] =
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{
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simple, simple, numbered_existing, numbered_existing, numbered, numbered
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};
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/* Return the type of backup indicated by VERSION.
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Unique abbreviations are accepted. */
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enum backup_type
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get_version (const char *version)
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{
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int i;
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if (version == 0 || *version == 0)
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return numbered_existing;
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i = argmatch (version, backup_args);
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if (i >= 0)
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return backup_types[i];
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invalid_arg ("version control type", version, i);
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exit (1);
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}
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