1 files changed, 38 insertions, 0 deletions
diff --git a/src/basic/blockdev-util.h b/src/basic/blockdev-util.h
new file mode 100644
index 0000000000..642b7ce522
--- /dev/null
+++ b/src/basic/blockdev-util.h
@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+#pragma once
+
+/***
+  This file is part of systemd.
+
+  Copyright 2010 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/types.h>
+
+#include "macro.h"
+#include "stdio-util.h"
+#include "string-util.h"
+
+#define SYS_BLOCK_PATH_MAX(suffix)                                      \
+        (STRLEN("/sys/dev/block/") + DECIMAL_STR_MAX(dev_t) + 1 + DECIMAL_STR_MAX(dev_t) + strlen_ptr(suffix))
+#define xsprintf_sys_block_path(buf, suffix, devno)                     \
+        xsprintf(buf, "/sys/dev/block/%u:%u%s", major(devno), minor(devno), strempty(suffix))
+
+int block_get_whole_disk(dev_t d, dev_t *ret);
+
+int get_block_device(const char *path, dev_t *dev);
+
+int get_block_device_harder(const char *path, dev_t *dev);