Some fixes

.gitignore

@@ -9,6 +9,7 @@
 !/checksums/.keep
 /lib/**/*.bundle
 /lib/digest/blake2b/ext.so
+/lib/digest/blake2b/sse.so
 
 *.o
 *.gem

Rakefile

@@ -6,7 +6,7 @@ require 'rake/extensiontask'
 
 spec = Gem::Specification.load('digest-blake2b.gemspec')
 
-Rake::ExtensionTask.new("digest/blake2b/#{Digest::Blake2b::IMPL}", spec) do |ext|
+Rake::ExtensionTask.new "digest/blake2b/#{Digest::Blake2b::IMPL}", spec do |ext|
   ext.source_pattern = '*.{c,h}'
   ext.ext_dir = "ext/digest/blake2b/#{Digest::Blake2b::IMPL}"
 end
@@ -21,7 +21,7 @@ end
 task default: :full
 
 desc 'clean, compile, and run the full test suite'
-task full: %w(clean compile test)
+task full: %i[clean compile test]
 
 def gemspec
   @gemspec ||= begin

ext/digest/blake2b/ref/extconf.rb

@@ -1,3 +1,7 @@
+# frozen_string_literal: true
+
 require 'mkmf'
-$CFLAGS += ' -std=c99'
+
+$CFLAGS += ' -std=c99 -pedantic -Wall -Wextra'
+
 create_makefile 'digest/blake2b/ref'

ext/digest/blake2b/sse/extconf.rb

@@ -1,3 +1,7 @@
+# frozen_string_literal: true
+
 require 'mkmf'
-$CFLAGS += ' -Wall -Wextra -std=c99 -pedantic -Wno-long-long'
+
+$CFLAGS += ' -std=c99 -pedantic -Wall -Wextra -Wno-long-long'
+
 create_makefile 'digest/blake2b/sse'

lib/digest/blake2b/version.rb

@@ -2,6 +2,6 @@
 
 module Digest
   class Blake2b
-    VERSION = '0.0.4'
+    VERSION = '0.0.3'
   end
 end