From f677db1ff5454fa360d648a0bc9df607512e0269 Mon Sep 17 00:00:00 2001
From: Bernard Xiong <bernard.xiong@gmail.com>
Date: Mon, 1 Feb 2016 12:19:22 +0800
Subject: [PATCH] [libc] Add fputc/fgetc implementation for MICROLIB

---
 components/libc/armlibc/stubs.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/components/libc/armlibc/stubs.c b/components/libc/armlibc/stubs.c
index bd57ca4c54..395e51ecda 100644
--- a/components/libc/armlibc/stubs.c
+++ b/components/libc/armlibc/stubs.c
@@ -273,3 +273,19 @@ int system(const char *string)
     for (;;);
 }
 #endif
+
+#ifdef __MICROLIB
+#include <stdio.h>
+
+int fputc(int c, FILE *f) 
+{
+    char ch = c;
+
+    rt_kprintf(&ch);
+    return 1;
+}
+
+int fgetc(FILE *f) {
+  return -1;
+}
+#endif