1 files changed, 35 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/lib/tcflow.c b/mdk-stage1/dietlibc/lib/tcflow.c
new file mode 100644
index 000000000..ea460f362
--- /dev/null
+++ b/mdk-stage1/dietlibc/lib/tcflow.c
@@ -0,0 +1,35 @@
+#include "dietfeatures.h"
+#include <errno.h>
+#include <termios.h>
+#include <sys/ioctl.h>
+
+int  tcflow ( int fd, int action )
+{
+#if TCOOFF==0  &&  TCOON==1  &&  TCIOFF==2  &&  TCION==3
+
+    if ( (unsigned int)action < 4u )
+	return ioctl ( fd, TCXONC, action );
+
+    errno = EINVAL;
+    return -1;
+
+#else
+
+    int  arg = 0;
+    
+    switch (action) {
+    case TCION: 
+	arg++;
+    case TCIOFF: 
+	arg++;
+    case TCOON:   
+	arg++;
+    case TCOOFF:
+	return ioctl ( fd, TCXONC, arg );
+    default:
+        errno = EINVAL;
+        return -1;
+    }
+
+#endif
+}