pmt: revert 7f8090b

include/libgnulib/backupfile.h

@@ -1,73 +0,0 @@
-/* backupfile.h -- declarations for making Emacs style backup file names
-
-   Copyright (C) 1990-1992, 1997-1999, 2003-2004, 2009-2024 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 3 of the License, 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, see <https://www.gnu.org/licenses/>.  */
-
-#ifndef BACKUPFILE_H_
-#define BACKUPFILE_H_
-
-/* This file uses _GL_ATTRIBUTE_MALLOC, _GL_ATTRIBUTE_RETURNS_NONNULL.  */
-#if !_GL_CONFIG_H_INCLUDED
- #error "Please include config.h first."
-#endif
-
-/* Get AT_FDCWD, as a convenience for users of this file.  */
-#include <fcntl.h>
-
-#include <stdlib.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-
-/* When to make backup files. */
-enum backup_type
-{
-  /* Never make backups. */
-  no_backups,
-
-  /* Make simple backups of every file. */
-  simple_backups,
-
-  /* Make numbered backups of files that already have numbered backups,
-     and simple backups of the others. */
-  numbered_existing_backups,
-
-  /* Make numbered backups of every file. */
-  numbered_backups
-};
-
-#define VALID_BACKUP_TYPE(Type) \
-  ((unsigned int) (Type) <= numbered_backups)
-
-extern char const *simple_backup_suffix;
-
-void set_simple_backup_suffix (char const *);
-char *backup_file_rename (int, char const *, enum backup_type)
-  _GL_ATTRIBUTE_MALLOC _GL_ATTRIBUTE_DEALLOC_FREE;
-char *find_backup_file_name (int, char const *, enum backup_type)
-  _GL_ATTRIBUTE_MALLOC _GL_ATTRIBUTE_DEALLOC_FREE
-  _GL_ATTRIBUTE_RETURNS_NONNULL;
-enum backup_type get_version (char const *context, char const *arg);
-enum backup_type xget_version (char const *context, char const *arg);
-
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* ! BACKUPFILE_H_ */