* io.c: test _WIN32 for CRLF platform. (cygwin defines O_BINARY.)

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@18855 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Tue Aug 26 01:48:31 2008  Tanaka Akira  <akr@fsij.org>
+
+	* io.c: test _WIN32 for CRLF platform.  (cygwin defines O_BINARY.)
+
 Tue Aug 26 01:29:26 2008  Tanaka Akira  <akr@fsij.org>
 
 	* io.c: force CRLF handling if RUBY_TEST_CRLF_ENVIRONMENT is defined.

io.c

@@ -673,8 +673,7 @@ rb_io_wait_writable(int f)
     }
 }
 
-/* xxx: better way to determine the newline of the platform? */
-#if defined(RUBY_TEST_CRLF_ENVIRONMENT) || defined(O_BINARY) && O_BINARY != 0
+#if defined(RUBY_TEST_CRLF_ENVIRONMENT) || defined(_WIN32)
 /* Windows */
 # define NEED_NEWLINE_DECODER(fptr) (!(fptr->mode & FMODE_BINMODE))
 # define NEED_NEWLINE_ENCODER(fptr) (!(fptr->mode & FMODE_BINMODE))