From 6eeab148d93711a817143bc868589290eecdff80 Mon Sep 17 00:00:00 2001
From: panicbit <panicbit.dev@gmail.com>
Date: Mon, 29 Aug 2016 02:44:04 +0200
Subject: [PATCH] Fix Console fmt::Write impl

---
 src/console.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/console.rs b/src/console.rs
index 123c067..6e05ec2 100644
--- a/src/console.rs
+++ b/src/console.rs
@@ -35,6 +35,10 @@ impl Default for Console {
 
 impl Write for Console {
     fn write_str(&mut self, s: &str) -> fmt::Result {
+        // Writing 0 bytes to the console fails
+        if s.is_empty() {
+            return Ok(())
+        }
         unsafe { consoleSelect(&mut self.context); }
         let ret = unsafe { libc::write(libc::STDOUT_FILENO, s.as_ptr() as *const _, s.len()) };
         if ret == s.len() as isize {