From fa57fb3c1c59f2a6590f4f410cf2d741c6caef4f Mon Sep 17 00:00:00 2001
From: Ivan Grokhotkov <ivan@espressif.com>
Date: Wed, 13 Mar 2019 20:17:25 +0800
Subject: [PATCH] console/linenoise: support buffered stdout

---
 components/console/linenoise/linenoise.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/components/console/linenoise/linenoise.c b/components/console/linenoise/linenoise.c
index c0f551d67..f88a24620 100644
--- a/components/console/linenoise/linenoise.c
+++ b/components/console/linenoise/linenoise.c
@@ -106,6 +106,7 @@
 #include <unistd.h>
 #include <stdlib.h>
 #include <stdio.h>
+#include <stdio_ext.h>
 #include <errno.h>
 #include <string.h>
 #include <stdlib.h>
@@ -879,6 +880,9 @@ static int linenoiseEdit(char *buf, size_t buflen, const char *prompt)
             linenoiseEditDeletePrevWord(&l);
             break;
         }
+        if (__fbufsize(stdout) > 0) {
+            fflush(stdout);
+        }
     }
     return l.len;
 }