$OpenBSD: patch-tests_binary_test,v 1.3 2017/11/04 18:55:26 stu Exp $
Index: tests/binary.test
--- tests/binary.test.orig
+++ tests/binary.test
@@ -2834,7 +2834,7 @@ test binary-75.26 {binary decode uuencode} -body {
 test binary-76.1 {binary string appending growth algorithm} unix {
     # Create zero-length byte array first
     set f [open /dev/null rb]
-    chan configure $f -blocking 0
+    #chan configure $f -blocking 0; # OpenBSD won't allow this
     set str [read $f 2]
     close $f
     # Append to it
