From 297e5f81c4f69b0140390280c4788edeba5766ef Mon Sep 17 00:00:00 2001
From: Kyle Banker <kylebanker@gmail.com>
Date: Mon, 25 Jan 2010 13:31:52 -0500
Subject: [PATCH] minor: GridFS fix for 1.9

---
 bin/gridstore_benchmark        | 1 -
 lib/mongo/gridfs/grid_store.rb | 4 ++++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/bin/gridstore_benchmark b/bin/gridstore_benchmark
index 120b5de..49c3e2f 100755
--- a/bin/gridstore_benchmark
+++ b/bin/gridstore_benchmark
@@ -1,7 +1,6 @@
 #!/usr/bin/env ruby
 require 'rubygems'
 require 'mongo'
-require 'mongo/gridfs'
 #require 'ruby-prof'
 
 include Mongo
diff --git a/lib/mongo/gridfs/grid_store.rb b/lib/mongo/gridfs/grid_store.rb
index c9c4110..dc419a6 100644
--- a/lib/mongo/gridfs/grid_store.rb
+++ b/lib/mongo/gridfs/grid_store.rb
@@ -392,6 +392,10 @@ module GridFS
 
     def write(string)
       raise "#@filename not opened for write" unless @mode[0] == ?w
+      # Since Ruby 1.9.1 doesn't necessarily store one character per byte.
+      if string.respond_to?(:force_encoding)
+        string.force_encoding("binary")
+      end
       to_write = string.length
       while (to_write > 0) do
         if @curr_chunk && @curr_chunk.data.position == @chunk_size