| 1 | /* backupfile.h -- declarations for making Emacs style backup file names
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| 2 |
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| 3 | Copyright (C) 1990, 1991, 1992, 1997, 1998, 1999, 2003, 2004 Free
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| 4 | Software Foundation, Inc.
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| 5 |
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| 6 | This program is free software; you can redistribute it and/or modify
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| 7 | it under the terms of the GNU General Public License as published by
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| 8 | the Free Software Foundation; either version 2, or (at your option)
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| 9 | any later version.
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| 10 |
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| 11 | This program is distributed in the hope that it will be useful,
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 14 | GNU General Public License for more details.
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| 15 |
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| 16 | You should have received a copy of the GNU General Public License
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| 17 | along with this program; see the file COPYING.
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| 18 | If not, write to the Free Software Foundation,
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| 19 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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| 20 |
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| 21 | #ifndef BACKUPFILE_H_
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| 22 | # define BACKUPFILE_H_
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| 23 |
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| 24 | # ifdef __cplusplus
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| 25 | extern "C" {
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| 26 | # endif
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| 27 |
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| 28 |
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| 29 | /* When to make backup files. */
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| 30 | enum backup_type
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| 31 | {
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| 32 | /* Never make backups. */
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| 33 | no_backups,
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| 34 |
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| 35 | /* Make simple backups of every file. */
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| 36 | simple_backups,
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| 37 |
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| 38 | /* Make numbered backups of files that already have numbered backups,
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| 39 | and simple backups of the others. */
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| 40 | numbered_existing_backups,
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| 41 |
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| 42 | /* Make numbered backups of every file. */
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| 43 | numbered_backups
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| 44 | };
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| 45 |
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| 46 | # define VALID_BACKUP_TYPE(Type) \
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| 47 | ((unsigned int) (Type) <= numbered_backups)
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| 48 |
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| 49 | extern char const *simple_backup_suffix;
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| 50 |
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| 51 | char *find_backup_file_name (char const *, enum backup_type);
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| 52 | enum backup_type get_version (char const *context, char const *arg);
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| 53 | enum backup_type xget_version (char const *context, char const *arg);
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| 54 | void addext (char *, char const *, int);
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| 55 |
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| 56 |
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| 57 | # ifdef __cplusplus
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| 58 | }
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| 59 | # endif
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| 60 |
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| 61 | #endif /* ! BACKUPFILE_H_ */
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