From 4bc12834fee6ac52880af48776f49720039a1e9e Mon Sep 17 00:00:00 2001
From: Joachim Nilsson <troglobit@gmail.com>
Date: Mon, 8 Jul 2013 16:34:32 +0200
Subject: [PATCH] Only clear ScreenCount if write() succeeded.

---
 src/editline.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/editline.c b/src/editline.c
index 824cfff..9187fa3 100644
--- a/src/editline.c
+++ b/src/editline.c
@@ -154,10 +154,14 @@ static void tty_flush(void)
 {
     ssize_t res;
 
-    if (ScreenCount) {
-	if (!el_no_echo)
-	    res = write(el_outfd, Screen, ScreenCount);
-        ScreenCount = 0;
+    if (!ScreenCount)
+	return;
+
+    if (!el_no_echo) {
+	res = write(el_outfd, Screen, ScreenCount);
+
+	if (res > 0)
+	    ScreenCount = 0;
     }
 }