gnu/dist/gettext/gettext-tools/lib/backupfile.h

   1 /* backupfile.h -- declarations for making Emacs style backup file names
   2    Copyright (C) 1990-1992, 1997-1999, 2001-2003 Free Software Foundation, Inc.
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 2, or (at your option)
   7    any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program; see the file COPYING.
  16    If not, write to the Free Software Foundation,
  17    59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  18
  19 #ifndef BACKUPFILE_H_
  20 # define BACKUPFILE_H_
  21
  22 #ifdef __cplusplus
  23 extern "C" {
  24 #endif
  25
  26
  27 /* When to make backup files. */
  28 enum backup_type
  29 {
  30   /* Never make backups. */
  31   none,
  32
  33   /* Make simple backups of every file. */
  34   simple,
  35
  36   /* Make numbered backups of files that already have numbered backups,
  37      and simple backups of the others. */
  38   numbered_existing,
  39
  40   /* Make numbered backups of every file. */
  41   numbered
  42 };
  43
  44 # define VALID_BACKUP_TYPE(Type)        \
  45   ((Type) == none                       \
  46    || (Type) == simple                  \
  47    || (Type) == numbered_existing       \
  48    || (Type) == numbered)
  49
  50 extern DLL_VARIABLE char const *simple_backup_suffix;
  51
  52 extern char *find_backup_file_name (char const *file,
  53                                     enum backup_type backup_type);
  54 extern enum backup_type get_version (char const *context, char const *arg);
  55 extern enum backup_type xget_version (char const *context, char const *arg);
  56 extern void addext (char *filename, char const *ext, char e);
  57
  58
  59 #ifdef __cplusplus
  60 }
  61 #endif
  62
  63 #endif /* ! BACKUPFILE_H_ */