From a266030eaac01b1b46afb5910527adb2fc943acb Mon Sep 17 00:00:00 2001
From: Matt Bilker <me@mbilker.us>
Date: Sat, 8 Dec 2018 21:07:00 +0000
Subject: [PATCH] byte_buffer: fix case where length of string may be zero with
 no trailing null byte

---
 src/byte_buffer.rs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/byte_buffer.rs b/src/byte_buffer.rs
index c7afb81..bd6e356 100644
--- a/src/byte_buffer.rs
+++ b/src/byte_buffer.rs
@@ -13,8 +13,13 @@ pub use error::{KbinError, KbinErrorKind, Result};
 
 /// Remove trailing null bytes, used for the `String` type
 pub(crate) fn strip_trailing_null_bytes<'a>(data: &'a [u8]) -> &'a [u8] {
-  let mut index = data.len() - 1;
   let len = data.len();
+
+  if len == 0 {
+    return data;
+  }
+
+  let mut index = len - 1;
   while index > 0 && index < len && data[index] == 0x00 {
     index -= 1;
   }