From e75beaa8d69a3ae79ee88f5de04cd4ec0db8b622 Mon Sep 17 00:00:00 2001
From: Josh Matthews <josh@joshmatthews.net>
Date: Mon, 15 Oct 2018 10:46:24 -0400
Subject: [PATCH] Make android logging thread only process buffer slice that
 contains real data.

---
 ports/libsimpleservo/src/jniapi.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ports/libsimpleservo/src/jniapi.rs b/ports/libsimpleservo/src/jniapi.rs
index efb67ff741e..00487b417eb 100644
--- a/ports/libsimpleservo/src/jniapi.rs
+++ b/ports/libsimpleservo/src/jniapi.rs
@@ -491,6 +491,9 @@ fn redirect_stdout_to_logcat() {
                 result as usize + cursor
             };
 
+            // Only modify the portion of the buffer that contains real data.
+            let buf = &mut buf[0..end];
+
             if let Some(last_newline_pos) = buf.iter().rposition(|&c| c == b'\n' as c_char) {
                 buf[last_newline_pos] = b'\0' as c_char;
                 unsafe {