3 files changed, 96 insertions, 0 deletions
diff --git a/ruby_1_8_6/ext/digest/lib/digest.rb b/ruby_1_8_6/ext/digest/lib/digest.rb
new file mode 100644
index 0000000000..0c4ee3c2cc
--- /dev/null
+++ b/ruby_1_8_6/ext/digest/lib/digest.rb
@@ -0,0 +1,50 @@
+require 'digest.so'
+
+module Digest
+  def self.const_missing(name)
+    case name
+    when :SHA256, :SHA384, :SHA512
+      lib = 'digest/sha2.so'
+    else
+      lib = File.join('digest', name.to_s.downcase)
+    end
+
+    begin
+      require lib
+    rescue LoadError => e
+      raise LoadError, "library not found for class Digest::#{name} -- #{lib}", caller(1)
+    end
+    unless Digest.const_defined?(name)
+      raise NameError, "uninitialized constant Digest::#{name}", caller(1)
+    end
+    Digest.const_get(name)
+  end
+
+  class ::Digest::Class
+    # creates a digest object and reads a given file, _name_.
+    # 
+    #  p Digest::SHA256.file("X11R6.8.2-src.tar.bz2").hexdigest
+    #  # => "f02e3c85572dc9ad7cb77c2a638e3be24cc1b5bea9fdbb0b0299c9668475c534"
+    def self.file(name)
+      new.file(name)
+    end
+  end
+
+  module Instance
+    # updates the digest with the contents of a given file _name_ and
+    # returns self.
+    def file(name)
+      File.open(name, "rb") {|f|
+        buf = ""
+        while f.read(16384, buf)
+          update buf
+        end
+      }
+      self
+    end
+  end
+end
+
+def Digest(name)
+  Digest.const_get(name)
+end
diff --git a/ruby_1_8_6/ext/digest/lib/md5.rb b/ruby_1_8_6/ext/digest/lib/md5.rb
new file mode 100644
index 0000000000..c399f2de1d
--- /dev/null
+++ b/ruby_1_8_6/ext/digest/lib/md5.rb
@@ -0,0 +1,23 @@
+# just for compatibility; requiring "md5" is obsoleted
+#
+# $RoughId: md5.rb,v 1.4 2001/07/13 15:38:27 knu Exp $
+# $Id$
+
+require 'digest/md5'
+
+class MD5 < Digest::MD5
+  class << self
+    alias orig_new new
+    def new(str = nil)
+      if str
+        orig_new.update(str)
+      else
+        orig_new
+      end
+    end
+
+    def md5(*args)
+      new(*args)
+    end
+  end
+end
diff --git a/ruby_1_8_6/ext/digest/lib/sha1.rb b/ruby_1_8_6/ext/digest/lib/sha1.rb
new file mode 100644
index 0000000000..4446e12e8d
--- /dev/null
+++ b/ruby_1_8_6/ext/digest/lib/sha1.rb
@@ -0,0 +1,23 @@
+# just for compatibility; requiring "sha1" is obsoleted
+#
+# $RoughId: sha1.rb,v 1.4 2001/07/13 15:38:27 knu Exp $
+# $Id$
+
+require 'digest/sha1'
+
+class SHA1 < Digest::SHA1
+  class << self
+    alias orig_new new
+    def new(str = nil)
+      if str
+        orig_new.update(str)
+      else
+        orig_new
+      end
+    end
+
+    def sha1(*args)
+      new(*args)
+    end
+  end
+end