From bf1a6ecc2e5fd1cd67360be6c237d60d1612881b Mon Sep 17 00:00:00 2001
From: Ticki <Ticki@users.noreply.github.com>
Date: Sat, 2 Apr 2016 18:24:47 +0200
Subject: [PATCH] Amend #15

---
 src/size.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/size.rs b/src/size.rs
index c8a57c6..2cca756 100644
--- a/src/size.rs
+++ b/src/size.rs
@@ -50,8 +50,8 @@ pub fn terminal_size() -> io::Result<(usize, usize)> {
 pub fn terminal_size() -> io::Result<(usize, usize)> {
     use std::env;
 
-    let width = env::var("COLUMNS").unwrap_or(String::new()).parse::<usize>().unwrap_or(0);
-    let height = env::var("LINES").unwrap_or(String::new()).parse::<usize>().unwrap_or(0);
+    let width = try!(env::var("COLUMNS").map_err(|x| io::Error::new(io::ErrorKind::NotFound, x))).parse().unwrap_or(0);
+    let height = try!(env::var("LINES").map_err(|x| io::Error::new(io::ErrorKind::NotFound, x))).parse().unwrap_or(0);
 
     Ok((width, height))
 }