From 14b1313eaf49b55bded69a3f4c470e652c3adb2f Mon Sep 17 00:00:00 2001
From: Michael Gehring <mg@ebfe.org>
Date: Sat, 28 Nov 2015 20:16:19 +0100
Subject: [PATCH] comm: fix EOF detection

---
 src/comm/comm.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/comm/comm.rs b/src/comm/comm.rs
index ee37afd94..84b8ddb55 100644
--- a/src/comm/comm.rs
+++ b/src/comm/comm.rs
@@ -72,6 +72,7 @@ fn comm(a: &mut LineReader, b: &mut LineReader, opts: &getopts::Matches) {
             (false, true)  => Ordering::Greater,
             (true , false) => Ordering::Less,
             (true , true) => match(&na, &nb) {
+                (&Ok(0), &Ok(0)) => break,
                 (&Ok(0), _) => Ordering::Greater,
                 (_, &Ok(0)) => Ordering::Less,
                 _ =>  ra.cmp(&rb),