1 files changed, 6 insertions, 0 deletions
diff --git a/libgloss/rl78/write.c b/libgloss/rl78/write.c
index 2adeb94f1..0b4222078 100644
--- a/libgloss/rl78/write.c
+++ b/libgloss/rl78/write.c
@@ -85,11 +85,17 @@ tputc (char c)
   SDR00 = c;
 }
 
+/* defaults to 0 unless open() is linked in */
+int _open_present;
+
 int
 _write(int fd, char *ptr, int len)
 {
   int rv = len;
 
+  if (_open_present && fd > 2)
+    return _SYS_write (fd, ptr, len);
+
   if (!initted)
     init_uart0 ();