* ruby.c (warn_cr_in_shebang): meaningless check on DOSISH platforms.

fixed a test failure introduced at r53998.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54023 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Tue Mar  8 00:42:22 2016  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* ruby.c (warn_cr_in_shebang): meaningless check on DOSISH platforms.
+	  fixed a test failure introduced at r53998.
+
 Tue Mar  8 00:27:53 2016  CHIKANAGA Tomoyuki  <nagachika@ruby-lang.org>
 
 	* ext/tk/lib/tkextlib/tcllib/tablelist_tile.rb: fix method name typo.

ruby.c

@@ -1668,6 +1668,7 @@ process_options(int argc, char **argv, struct cmdline_options *opt)
     return (VALUE)iseq;
 }
 
+#ifndef DOSISH
 static void
 warn_cr_in_shebang(const char *str, long len)
 {
@@ -1675,6 +1676,7 @@ warn_cr_in_shebang(const char *str, long len)
 	rb_warn("shebang line ends with \\r may cause a problem");
     }
 }
+#endif
 
 struct load_file_arg {
     VALUE parser;
@@ -1723,7 +1725,9 @@ load_file_internal(VALUE argp_v)
 		line_start++;
 		RSTRING_GETMEM(line, str, len);
 		if (len > 2 && str[0] == '#' && str[1] == '!') {
+#ifndef DOSISH
 		    if (line_start == 1) warn_cr_in_shebang(str, len);
+#endif
 		    if ((p = strstr(str+2, ruby_engine)) != 0) {
 			goto start_read;
 		    }
@@ -1741,7 +1745,9 @@ load_file_internal(VALUE argp_v)
 		    return 0;
 
 		RSTRING_GETMEM(line, str, len);
+#ifndef DOSISH
 		warn_cr_in_shebang(str, len);
+#endif
 		if ((p = strstr(str, ruby_engine)) == 0) {
 		    /* not ruby script, assume -x flag */
 		    goto search_shebang;

test/ruby/test_rubyoptions.rb

@@ -314,7 +314,7 @@ class TestRubyOptions < Test::Unit::TestCase
 
     assert_in_out_err([{'RUBYOPT' => nil}], "#!ruby -KU -Eutf-8\r\np \"\u3042\"\r\n",
                       ["\"\u3042\""], /shebang line ends with \\r/,
-                      encoding: Encoding::UTF_8)
+                      encoding: Encoding::UTF_8) if /mswin|mingw/ !~ RUBY_PLATFORM
 
     bug4118 = '[ruby-dev:42680]'
     assert_in_out_err(%w[], "#!/bin/sh\n""#!shebang\n""#!ruby\n""puts __LINE__\n",