* encoding.c (Init_encoding): register Windows-31J and its alias.

[ruby-dev:32843]

	* ruby.c (proc_options): -Ks options means Windows-31J, not Shift_JIS.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14790 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,10 @@
+Sun Dec 30 06:31:11 2007  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* encoding.c (Init_encoding): register Windows-31J and its alias.
+	  [ruby-dev:32843]
+
+	* ruby.c (proc_options): -Ks options means Windows-31J, not Shift_JIS.
+
 Sun Dec 30 06:27:38 2007  NAKAMURA Usaku  <usa@ruby-lang.org>
 
 	* lib/mkmf.rb (depend_rules): need to convert `/' to `\' for windows

encoding.c

@@ -1011,6 +1011,9 @@ Init_Encoding(void)
     /* dummy for unsupported, statefull encoding */
     rb_define_dummy_encoding("ISO-2022-JP");
 
+    rb_enc_replicate("Windows-31J", ONIG_ENCODING_SJIS);
+    rb_enc_alias("CP932", "Windows-31J");
+
     for (i = 0; i < enc_table_size; ++i) {
 	rb_encoding *enc = enc_table[i].enc;
 	if (enc) set_encoding_const(rb_enc_name(enc), enc);

ruby.c

@@ -712,7 +712,8 @@ proc_options(int argc, char **argv, struct cmdline_options *opt)
 		    enc = ONIG_ENCODING_EUC_JP;
 		    break;
 		  case 'S': case 's':
-		    enc = ONIG_ENCODING_SJIS;
+		    enc = rb_enc_find("Windows-31J");
+		    if (!enc) enc = ONIG_ENCODING_SJIS;
 		    break;
 		  case 'U': case 'u':
 		    enc = ONIG_ENCODING_UTF8;