1 files changed, 54 insertions, 0 deletions
diff --git a/busybox/util-linux/fdflush.c b/busybox/util-linux/fdflush.c
new file mode 100644
index 0000000..c3fcf33
--- /dev/null
+++ b/busybox/util-linux/fdflush.c
@@ -0,0 +1,54 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini fdflush implementation for busybox
+ *
+ * Copyright (C) 1995, 1996 by Bruce Perens <bruce@perens.com>.
+ * Copyright (C) 2003 by Erik Andersen <andersen@codeoet.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include "busybox.h"
+
+/* From <linux/fd.h> */
+#define FDFLUSH  _IO(2,0x4b)
+
+extern int fdflush_main(int argc, char **argv)
+{
+	int fd, result;
+
+	if (argc <= 1)
+		bb_show_usage();
+
+	fd = bb_xopen(argv[1], 0);
+
+	result = ioctl(fd, FDFLUSH, 0);
+#ifdef CONFIG_FEATURE_CLEAN_UP
+	close(fd);
+#endif
+	if (result) {
+		bb_perror_nomsg_and_die();
+	}
+
+	/* Don't bother closing.  Exit does
+	 * that, so we can save a few bytes */
+	return EXIT_SUCCESS;
+}