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authorBernhard Reutner-Fischer2008-08-19 11:28:52 +0000
committerBernhard Reutner-Fischer2008-08-19 11:28:52 +0000
commitc77e843c0927bc4235d6d54981bcf7fdaa9f0421 (patch)
tree07f4acd33b33c4159abfd50b5f9424409ab7a2a4 /util-linux/rdev.c
parentd7cc2e601d9d909ca9de168da746dede7487e860 (diff)
downloadbusybox-c77e843c0927bc4235d6d54981bcf7fdaa9f0421.zip
busybox-c77e843c0927bc4235d6d54981bcf7fdaa9f0421.tar.gz
- add new applet rdev (Grant Erickson)
- fixes and shrink (me)
Diffstat (limited to 'util-linux/rdev.c')
-rw-r--r--util-linux/rdev.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/util-linux/rdev.c b/util-linux/rdev.c
new file mode 100644
index 0000000..33abd39
--- /dev/null
+++ b/util-linux/rdev.c
@@ -0,0 +1,24 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * rdev - print device node associated with a filesystem
+ *
+ * Copyright (c) 2008 Nuovation System Designs, LLC
+ * Grant Erickson <gerickson@nuovations.com>
+ *
+ * Licensed under GPLv2, see file LICENSE in this tarball for details.
+ *
+ */
+
+#include "libbb.h"
+
+int rdev_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int rdev_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
+{
+ char const * const root_device = find_block_device("/");
+
+ if (root_device != NULL) {
+ printf("%s /\n", root_device);
+ return EXIT_SUCCESS;
+ }
+ return EXIT_FAILURE;
+}