1 files changed, 23 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/lib/tcflush.c b/mdk-stage1/dietlibc/lib/tcflush.c
new file mode 100644
index 000000000..a19fe11d1
--- /dev/null
+++ b/mdk-stage1/dietlibc/lib/tcflush.c
@@ -0,0 +1,23 @@
+#include <unistd.h>
+#include <termios.h>
+#include <sys/ioctl.h>
+
+#include <asm/errno.h>
+
+extern int errno;
+
+/* Flush pending data on FD.  */
+int tcflush(int fd, int queue_selector)
+{
+	switch (queue_selector) {
+	case TCIFLUSH:
+		return ioctl(fd, TCFLSH, 0);
+	case TCOFLUSH:
+		return ioctl(fd, TCFLSH, 1);
+	case TCIOFLUSH:
+		return ioctl(fd, TCFLSH, 2);
+	default:
+		errno = EINVAL;
+		return -1;
+	}
+}