boards: chronos: provide dummy getchar

boards/chronos/putchar.c → boards/chronos/stdio.c

@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2014 INRIA
+ *               2015 Kaspar Schleiser <[email protected]>
  *
  * This file is subject to the terms and conditions of the GNU Lesser
  * General Public License v2.1. See the file LICENSE in the top level
@@ -13,21 +14,23 @@
 
 /**
  * @file
- * @brief       eZ430-chronos putchar dummy implementation
+ * @brief       eZ430-chronos getchar/putchar dummy implementations
  *
  * @author      Oliver Hahm <[email protected]>
  * @author      Kaspar Schleiser <[email protected]>
  *
  */
 
-static void _dummy(int c)
-{
-}
-
-void (*_putchar)(int c) = _dummy;
+#include <stdio.h>
 
 int putchar(int c)
 {
-    _putchar(c);
+    /* dummy implementation */
     return c;
 }
+
+int getchar(void)
+{
+    /* dummy implementation */
+    return EOF;
+}