-#include "internal.h"
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini sync implementation for busybox
+ *
+ * Copyright (C) 1995, 1996 by Bruce Perens <bruce@pixar.com>.
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ */
-extern int
-sync_main(int argc, char * * argv)
+/* BB_AUDIT SUSv3 N/A -- Matches GNU behavior. */
+
+#include "libbb.h"
+
+/* This is a NOFORK applet. Be very careful! */
+
+int sync_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int sync_main(int argc, char **argv UNUSED_PARAM)
{
- if ( **(argv+1) == '-' ) {
- fprintf(stderr, "Usage: sync\nWrite all buffered filesystem blocks to disk.\n");
- exit(FALSE);
- }
- return sync();
-}
+ /* coreutils-6.9 compat */
+ bb_warn_ignoring_args(argc - 1);
+
+ sync();
+ return EXIT_SUCCESS;
+}