From b9b2eb16d446667ca09ca5972769169f01e4ba19 Mon Sep 17 00:00:00 2001
From: "Sam A. Horvath-Hunt" <git@samhh.com>
Date: Tue, 11 Jun 2019 17:39:39 +0100
Subject: [PATCH] Fix native messaging to check bytes length instead of string
 length

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

diff --git a/src/native_messaging.rs b/src/native_messaging.rs
index bae9001..d3b7250 100644
--- a/src/native_messaging.rs
+++ b/src/native_messaging.rs
@@ -49,7 +49,7 @@ pub fn read_input<R: Read>(mut input: R) -> Result<JSON, NativeMessagingError> {
 /// Chrome's documentation on native messaging.
 /// (https://developer.chrome.com/extensions/nativeMessaging#native-messaging-host-protocol)
 pub fn write_output<W: Write>(mut output: W, val: &JSON) -> Result<W, NativeMessagingError> {
-    let msg = serde_json::to_string(val).map_err(|_| NativeMessagingError::UnknownFailure)?;
+    let msg = serde_json::to_vec(val).map_err(|_| NativeMessagingError::UnknownFailure)?;
     let len = msg.len();
 
     // Web browsers won't accept a message larger than 1MB
@@ -61,7 +61,7 @@ pub fn write_output<W: Write>(mut output: W, val: &JSON) -> Result<W, NativeMess
         .write_u32::<NativeEndian>(len as u32)
         .map_err(|_| NativeMessagingError::UnknownFailure)?;
     output
-        .write_all(msg.as_bytes())
+        .write_all(msg.as_slice())
         .map_err(|_| NativeMessagingError::UnknownFailure)?;
     output
         .flush()