From ecb70a5d033f2f2db6dc7d370f9713ea7f85a8a0 Mon Sep 17 00:00:00 2001
From: Dong Heng <dongheng@espressif.com>
Date: Thu, 17 May 2018 18:56:04 +0800
Subject: [PATCH] feat(newlib): Add function to mark the VFS to be tty type

---
 components/newlib/newlib/port/syscall.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/components/newlib/newlib/port/syscall.c b/components/newlib/newlib/port/syscall.c
index 23b9b67e..87e3ef23 100644
--- a/components/newlib/newlib/port/syscall.c
+++ b/components/newlib/newlib/port/syscall.c
@@ -79,6 +79,8 @@ int _unlink_r(struct _reent *r, const char *filename)
 
 int _fstat_r(struct _reent *r, int fd, struct stat *s)
 {
+    s->st_mode = S_IFCHR;
+
     return 0;
 }