From ee176c80d76994e6c6212750c4891b24d98baa65 Mon Sep 17 00:00:00 2001
From: Joachim Nilsson <joachim.nilsson@vmlinux.org>
Date: Sat, 7 Aug 2010 00:08:31 +0200
Subject: [PATCH] Only display return from readline() when there's something to
 show.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
---
 examples/cli.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/examples/cli.c b/examples/cli.c
index a0128b2..7d8cc77 100644
--- a/examples/cli.c
+++ b/examples/cli.c
@@ -149,7 +149,8 @@ int main(void)
 	if (next)
 	    continue;
 
- 	printf("\t\t\t|%s|\n", line);
+	if (*line != '\0')
+	    printf("\t\t\t|%s|\n", line);
  	free(line);
     }