From a0c0a3ffbbe0e0454065cd0817733a34394cd19e Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Mon, 9 Nov 2015 15:09:13 +0530
Subject: [PATCH] ...

---
 src/calibre/utils/terminal.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/calibre/utils/terminal.py b/src/calibre/utils/terminal.py
index 8f899396d8..0632803e18 100644
--- a/src/calibre/utils/terminal.py
+++ b/src/calibre/utils/terminal.py
@@ -330,7 +330,7 @@ def get_term_geometry():
 
     def ioctl_GWINSZ(fd):
         try:
-            return struct.unpack(b'hh', fcntl.ioctl(fd, termios.TIOCGWINSZ, b'1234'))
+            return struct.unpack(b'HHHH', fcntl.ioctl(fd, termios.TIOCGWINSZ, b'\0'*8))[:2]
         except Exception:
             return None, None