* eval.c (rb_load): put rb_load_file() in a thread critical

  section. [ruby-dev:20490]

* eval.c (compile): put rb_compile_string() in a thread critical
  section.

* variable.c (rb_const_get_0): should not warn if constant is not
  defined. (ruby-bugs-ja PR#509)

* bignum.c (rb_big2dbl): give a warning on overflow.
  (ruby-bugs-ja PR#510)

* util.c (ruby_strtod): change MDMAXEXPT from 511 to 308.

* pack.c (utf8_to_uv): long is sufficient.  LONG_LONG is not
  required.

* bignum.c (rb_big2str): support 32 bit (without `long long' type)
  machines. (ruby-bugs-ja PR#512)


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4050 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

3 files changed, 35 insertions, 21 deletions

diff --git a/lib/rexml/encodings/EUC-JP.rb b/lib/rexml/encodings/EUC-JP.rb
index cedd6751e7..23a1c3c657 100644
--- a/lib/rexml/encodings/EUC-JP.rb
+++ b/lib/rexml/encodings/EUC-JP.rb
@@ -13,5 +13,20 @@ begin
 		end
 	end
 rescue LoadError
-	raise "uconv is required for Japanese encoding support."
+  begin
+	require 'iconv'
+	module REXML
+		module Encoding
+			def from_euc_jp(str)
+				return Iconv::iconv("utf-8", "euc-jp", str)[0]
+			end
+
+			def to_euc_jp content
+				return Iconv::iconv("euc-jp", "utf-8", content)[0]
+			end
+		end
+	end
+  rescue LoadError
+	raise "uconv or iconv is required for Japanese encoding support."
+  end
 end
diff --git a/lib/rexml/encodings/Shift-JIS.rb b/lib/rexml/encodings/Shift-JIS.rb
index 8650174538..e805456ea7 100644
--- a/lib/rexml/encodings/Shift-JIS.rb
+++ b/lib/rexml/encodings/Shift-JIS.rb
@@ -3,15 +3,30 @@ begin
 
 	module REXML
 		module Encoding
-			def to_shift_jis content
+			def from_shift_jis(str)
 				Uconv::u8tosjis(content)
 			end
 
-			def from_shift_jis(str)
+			def to_shift_jis content
 				Uconv::sjistou8(str)
 			end
 		end
 	end
 rescue LoadError
-	raise "uconv is required for Japanese encoding support."
+  begin
+	require 'iconv'
+	module REXML
+		module Encoding
+			def from_shift_jis(str)
+				return Iconv::iconv("utf-8", "shift-jis", str)[0]
+			end
+
+			def to_shift_jis content
+				return Iconv::iconv("euc-jp", "shift-jis", content)[0]
+			end
+		end
+	end
+  rescue LoadError
+	raise "uconv or iconv is required for Japanese encoding support."
+  end
 end
diff --git a/lib/rexml/encodings/Shift_JIS.rb b/lib/rexml/encodings/Shift_JIS.rb
index 8650174538..6e8f759373 100644
--- a/lib/rexml/encodings/Shift_JIS.rb
+++ b/lib/rexml/encodings/Shift_JIS.rb
@@ -1,17 +1 @@
-begin
-	require 'uconv'
-
-	module REXML
-		module Encoding
-			def to_shift_jis content
-				Uconv::u8tosjis(content)
-			end
-
-			def from_shift_jis(str)
-				Uconv::sjistou8(str)
-			end
-		end
-	end
-rescue LoadError
-	raise "uconv is required for Japanese encoding support."
-end
+require 'rexml/encodings/Shift-JIS'