1 files changed, 31 insertions, 0 deletions
diff --git a/lib/backup-rename.c b/lib/backup-rename.c
new file mode 100644
index 0000000..e90579e
--- /dev/null
+++ b/lib/backup-rename.c
@@ -0,0 +1,31 @@
+/* Rename a file to a backup name, Emacs style.
+
+   Copyright 2017-2022 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/>.  */
+
+#include <config.h>
+
+#include "backup-internal.h"
+
+/* Relative to DIR_FD, rename the existing file FILE to a backup name,
+   allocated with malloc, and return the backup name.  On failure
+   return a null pointer, setting errno.  Do not call this function if
+   backup_type == no_backups.  */
+
+char *
+backup_file_rename (int dir_fd, char const *file, enum backup_type backup_type)
+{
+  return backupfile_internal (dir_fd, file, backup_type, true);
+}