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annotate lib/backupfile.h @ 1219:4a1aab12ab37

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[enum backup_type]: Set `none' to 1.
author Jim Meyering <jim@meyering.net>
date Tue, 20 Jan 1998 11:34:04 +0000
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children 49cc092e40d1
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1 /* backupfile.h -- declarations for making Emacs style backup file names
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2 Copyright (C) 1990, 1991, 1992, 1997, 1998 Free Software Foundation, Inc.
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3
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4 This program is free software; you can redistribute it and/or modify
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5 it under the terms of the GNU General Public License as published by
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6 the Free Software Foundation; either version 2, or (at your option)
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7 any later version.
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8
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9 This program is distributed in the hope that it will be useful,
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10 but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 GNU General Public License for more details.
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13
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14 You should have received a copy of the GNU General Public License
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15 along with this program; see the file COPYING.
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16 If not, write to the Free Software Foundation,
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17 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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18
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19 /* When to make backup files. */
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20 enum backup_type
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21 {
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22 /* Never make backups. */
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23 none = 1,
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24
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25 /* Make simple backups of every file. */
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26 simple,
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27
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28 /* Make numbered backups of files that already have numbered backups,
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29 and simple backups of the others. */
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30 numbered_existing,
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31
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32 /* Make numbered backups of every file. */
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33 numbered
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34 };
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35
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36 extern enum backup_type backup_type;
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37 extern char const *simple_backup_suffix;
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38
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39 #ifndef __BACKUPFILE_P
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40 # if defined __STDC__ || __GNUC__
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41 # define __BACKUPFILE_P(args) args
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42 # else
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43 # define __BACKUPFILE_P(args) ()
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44 # endif
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45 #endif
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46
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47 char *base_name __BACKUPFILE_P ((char const *));
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48 char *find_backup_file_name __BACKUPFILE_P ((char const *));
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49 enum backup_type get_version __BACKUPFILE_P ((char const *));
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50 void addext __BACKUPFILE_P ((char *, char const *, int));