From 4e1d114f4e4bba88e8a9728acc32ee097ee9091c Mon Sep 17 00:00:00 2001
From: Bill Kolokithas <kolokithas.b@gmail.com>
Date: Tue, 4 Feb 2014 22:28:01 +0200
Subject: [PATCH] check return value of fgets and exit main loop if EOF is
 received

---
 bar.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/bar.c b/bar.c
index 6c244fb..bea1829 100644
--- a/bar.c
+++ b/bar.c
@@ -568,7 +568,9 @@ main (int argc, char **argv)
                 else           break;               /* ...bail out */
             }
             if (pollin[0].revents & POLLIN) { /* New input, process it */
-                fgets (input, sizeof(input), stdin);
+                if (fgets (input, sizeof(input), stdin) == NULL)
+                    break; /* EOF received */
+
                 parse (input);
                 redraw = 1;
             }