Support frozen_string_literalsmfazekas/frozen-literal

3 files changed, 7 insertions, 7 deletions

diff --git a/lib/net/ssh/transport/ctr.rb b/lib/net/ssh/transport/ctr.rb
index d952a86..9c67aff 100644
--- a/lib/net/ssh/transport/ctr.rb
+++ b/lib/net/ssh/transport/ctr.rb
@@ -32,7 +32,7 @@ module Net::SSH::Transport
   module CTR
     def self.extended(orig)
       orig.instance_eval {
-        @remaining = ""
+        @remaining = String.new
         @counter = nil
         @counter_len = orig.block_size
         orig.encrypt
@@ -67,13 +67,13 @@ module Net::SSH::Transport
         end
 
         def reset
-          @remaining = ""
+          @remaining = String.new
         end
 
         def update(data)
           @remaining += data
 
-          encrypted = ""
+          encrypted = String.new
 
           offset = 0
           while (@remaining.bytesize - offset) >= block_size
@@ -89,7 +89,7 @@ module Net::SSH::Transport
 
         def final
           s = @remaining.empty? ? '' : xor!(@remaining, _update(@counter))
-          @remaining = ""
+          @remaining = String.new
           s
         end
 
diff --git a/lib/net/ssh/transport/server_version.rb b/lib/net/ssh/transport/server_version.rb
index 82de8b0..50ffb15 100644
--- a/lib/net/ssh/transport/server_version.rb
+++ b/lib/net/ssh/transport/server_version.rb
@@ -27,7 +27,7 @@ module Net
         # Instantiates a new ServerVersion and immediately (and synchronously)
         # negotiates the SSH protocol in effect, using the given socket.
         def initialize(socket, logger, timeout = nil)
-          @header = ""
+          @header = String.new
           @version = nil
           @logger = logger
           negotiate!(socket, timeout)
@@ -48,7 +48,7 @@ module Net
           raise Net::SSH::ConnectionTimeout, "timeout during server version negotiating" if timeout && !IO.select([socket], nil, nil, timeout)
 
           loop do
-            @version = ""
+            @version = String.new
             loop do
               begin
                 b = socket.readpartial(1)
diff --git a/lib/net/ssh/transport/state.rb b/lib/net/ssh/transport/state.rb
index 8f5fd8f..b472191 100644
--- a/lib/net/ssh/transport/state.rb
+++ b/lib/net/ssh/transport/state.rb
@@ -64,7 +64,7 @@ module Net
           @hmac = HMAC.get("none")
           @compression = nil
           @compressor = @decompressor = nil
-          @next_iv = ""
+          @next_iv = String.new
         end
 
         # A convenience method for quickly setting multiple values in a single