From b4f516a36a5c15bd9a8722fea13101c0d06aa086 Mon Sep 17 00:00:00 2001
From: Thiago de Arruda <tpadilha84@gmail.com>
Date: Sat, 10 Jan 2015 02:37:22 -0300
Subject: [PATCH] ui: Fix out_flush/ui_write behavior to always flush for
 abstract_ui

---
 src/nvim/term.c | 9 +++------
 src/nvim/ui.c   | 4 ++++
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/src/nvim/term.c b/src/nvim/term.c
index c75f9272e3..a1e13cfeb7 100644
--- a/src/nvim/term.c
+++ b/src/nvim/term.c
@@ -1822,12 +1822,9 @@ static int out_pos = 0;                 /* number of chars in out_buf */
  */
 void out_flush(void)
 {
-  if (out_pos != 0) {
-    /* set out_pos to 0 before ui_write, to avoid recursiveness */
-    int len = out_pos;
-    out_pos = 0;
-    ui_write(out_buf, len);
-  }
+  int len = out_pos;
+  out_pos = 0;
+  ui_write(out_buf, len);
 }
 
 /*
diff --git a/src/nvim/ui.c b/src/nvim/ui.c
index 3e5639d23e..77ab948809 100644
--- a/src/nvim/ui.c
+++ b/src/nvim/ui.c
@@ -95,6 +95,10 @@ void ui_write(uint8_t *s, int len)
     return;
   }
 
+  if (!len) {
+    return;
+  }
+
   char_u  *tofree = NULL;
 
   if (output_conv.vc_type != CONV_NONE) {