1 files changed, 34 insertions, 0 deletions
diff --git a/src/basic/rm-rf.h b/src/basic/rm-rf.h
new file mode 100644
index 0000000..ec56232
--- /dev/null
+++ b/src/basic/rm-rf.h
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include <sys/stat.h>
+
+#include "errno-util.h"
+
+typedef enum RemoveFlags {
+        REMOVE_ONLY_DIRECTORIES = 1 << 0, /* Only remove empty directories, no files */
+        REMOVE_ROOT             = 1 << 1, /* Remove the specified directory itself too, not just the contents of it */
+        REMOVE_PHYSICAL         = 1 << 2, /* If not set, only removes files on tmpfs, never physical file systems */
+        REMOVE_SUBVOLUME        = 1 << 3, /* Drop btrfs subvolumes in the tree too */
+        REMOVE_MISSING_OK       = 1 << 4, /* If the top-level directory is missing, ignore the ENOENT for it */
+        REMOVE_CHMOD            = 1 << 5, /* chmod() for write access if we cannot delete something */
+} RemoveFlags;
+
+int rm_rf_children(int fd, RemoveFlags flags, struct stat *root_dev);
+int rm_rf(const char *path, RemoveFlags flags);
+
+/* Useful for usage with _cleanup_(), destroys a directory and frees the pointer */
+static inline void rm_rf_physical_and_free(char *p) {
+        PROTECT_ERRNO;
+        (void) rm_rf(p, REMOVE_ROOT|REMOVE_PHYSICAL);
+        free(p);
+}
+DEFINE_TRIVIAL_CLEANUP_FUNC(char*, rm_rf_physical_and_free);
+
+/* Similar as above, but also has magic btrfs subvolume powers */
+static inline void rm_rf_subvolume_and_free(char *p) {
+        PROTECT_ERRNO;
+        (void) rm_rf(p, REMOVE_ROOT|REMOVE_PHYSICAL|REMOVE_SUBVOLUME);
+        free(p);
+}
+DEFINE_TRIVIAL_CLEANUP_FUNC(char*, rm_rf_subvolume_and_free);