Merge pull request #11827 from keszybz/pkgconfig-variables

[thirdparty/systemd.git] / src / basic / rm-rf.h

diff --git a/src/basic/rm-rf.h b/src/basic/rm-rf.h
index 40b5b527d57265e98f7994dbdbea8eae82ab5f78..3ee2b97e3768ba967bd5fd1388ffbc33558bf2c8 100644 (file)
--- a/src/basic/rm-rf.h
+++ b/src/basic/rm-rf.h
@@ -1,41 +1,32 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
 #pragma once
 
-/***
-  This file is part of systemd.
-
-  Copyright 2015 Lennart Poettering
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as published by
-  the Free Software Foundation; either version 2.1 of the License, or
-  (at your option) any later version.
-
-  systemd 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
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public License
-  along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
 #include <sys/stat.h>
 
+#include "util.h"
+
 typedef enum RemoveFlags {
-        REMOVE_ONLY_DIRECTORIES = 1,
-        REMOVE_ROOT = 2,
-        REMOVE_PHYSICAL = 4, /* if not set, only removes files on tmpfs, never physical file systems */
-        REMOVE_SUBVOLUME = 8,
+        REMOVE_ONLY_DIRECTORIES = 1 << 0,
+        REMOVE_ROOT             = 1 << 1,
+        REMOVE_PHYSICAL         = 1 << 2, /* if not set, only removes files on tmpfs, never physical file systems */
+        REMOVE_SUBVOLUME        = 1 << 3,
 } 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_and_free(char *p) {
-        if (!p)
-                return;
-        (void) rm_rf(p, REMOVE_ROOT);
+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_and_free);
+DEFINE_TRIVIAL_CLEANUP_FUNC(char*, rm_rf_subvolume_and_free);