From 8307157e7381f24b2833d3e3fdf084555265f420 Mon Sep 17 00:00:00 2001
From: Eric Wong <e@80x24.org>
Date: Thu, 29 Dec 2016 07:31:40 +0000
Subject: use opt_str_freeze to avoid allocations in a few places

None of these are too performance critical, but err on
the safe side and avoid allocations whenever possible.
---
 lib/mogilefs/http_file.rb       | 2 +-
 lib/mogilefs/new_file/stream.rb | 8 ++++----
 lib/mogilefs/new_file/writer.rb | 2 +-
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/lib/mogilefs/http_file.rb b/lib/mogilefs/http_file.rb
index caf85ca..c7949a5 100644
--- a/lib/mogilefs/http_file.rb
+++ b/lib/mogilefs/http_file.rb
@@ -143,7 +143,7 @@ class MogileFS::HTTPFile < StringIO
     end
 
     put = Net::HTTP::Put.new(uri.path)
-    put["Content-Type"] = "application/octet-stream"
+    put["Content-Type"] = "application/octet-stream".freeze
     if md5 = @opts[:content_md5]
       if md5.respond_to?(:call)
         md5 = md5.call.strip
diff --git a/lib/mogilefs/new_file/stream.rb b/lib/mogilefs/new_file/stream.rb
index 71ac591..195b121 100644
--- a/lib/mogilefs/new_file/stream.rb
+++ b/lib/mogilefs/new_file/stream.rb
@@ -66,7 +66,7 @@ class MogileFS::NewFile::Stream
   def start_sock(sock, uri)
     host_with_port = "#{uri.host}:#{uri.port}"
     headers = "PUT #{uri.request_uri} HTTP/1.1\r\n" \
-              "Host: #{host_with_port}\r\n" \
+              "Host: #{host_with_port}\r\n"
 
     content_md5 = @opts[:content_md5]
     if String === content_md5
@@ -75,16 +75,16 @@ class MogileFS::NewFile::Stream
           :trailer == content_md5 ||
           MD5_TRAILER_NODES[host_with_port]
       @md5 = Digest::MD5.new
-      headers << "Trailer: Content-MD5\r\n"
+      headers << "Trailer: Content-MD5\r\n".freeze
     end
 
     if ! @md5 && clen = @opts[:content_length]
       headers << "Content-Length: #{clen}\r\n"
     else
-      headers << "Transfer-Encoding: chunked\r\n"
+      headers << "Transfer-Encoding: chunked\r\n".freeze
     end
 
-    sock.write(headers << "\r\n")
+    sock.write(headers << "\r\n".freeze)
   end
 
   alias syswrite write
diff --git a/lib/mogilefs/new_file/writer.rb b/lib/mogilefs/new_file/writer.rb
index d58a4e6..e2f13fc 100644
--- a/lib/mogilefs/new_file/writer.rb
+++ b/lib/mogilefs/new_file/writer.rb
@@ -9,7 +9,7 @@ module MogileFS::NewFile::Writer
   def puts(*args)
     args.each do |obj|
       write(obj)
-      write("\n")
+      write("\n".freeze)
     end
     nil
   end
-- 
cgit v1.2.3-24-ge0c7