* io.c (rb_io_extract_modeenc): fail only if conflicting

  text/binary modes given explicitly.  [ruby-dev:45268][Bug #6055]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34753 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

3 files changed, 18 insertions, 5 deletions

diff --git a/ChangeLog b/ChangeLog
index cc90dd11c3..12670410b3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Thu Feb 23 02:33:00 2012  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* io.c (rb_io_extract_modeenc): fail only if conflicting
+	  text/binary modes given explicitly.  [ruby-dev:45268][Bug #6055]
+
 Wed Feb 22 23:27:08 2012  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* test/iconv/test_option.rb: enabled.  [ruby-core:42802][Bug #6061]
diff --git a/io.c b/io.c
index 9301dc6814..21e6d1b67e 100644
--- a/io.c
+++ b/io.c
@@ -4817,7 +4817,7 @@ rb_io_extract_modeenc(VALUE *vmode_p, VALUE *vperm_p, VALUE opthash,
 
   vmode_handle:
     if (NIL_P(vmode)) {
-        fmode = FMODE_READABLE | DEFAULT_TEXTMODE;
+        fmode = FMODE_READABLE;
         oflags = O_RDONLY;
     }
     else if (!NIL_P(intmode = rb_check_to_integer(vmode, "to_int"))) {
@@ -4867,6 +4867,11 @@ rb_io_extract_modeenc(VALUE *vmode_p, VALUE *vperm_p, VALUE opthash,
 	    if (!has_enc)
 		rb_io_ext_int_to_encs(rb_ascii8bit_encoding(), NULL, &enc, &enc2);
 	}
+#if DEFAULT_TEXTMODE
+	else if (NIL_P(vmode)) {
+	    fmode |= DEFAULT_TEXTMODE;
+	}
+#endif
 	if (!has_vmode) {
 	    v = rb_hash_aref(opthash, sym_mode);
 	    if (!NIL_P(v)) {
diff --git a/test/ruby/test_io.rb b/test/ruby/test_io.rb
index a08c003403..eddc8cfde9 100644
--- a/test/ruby/test_io.rb
+++ b/test/ruby/test_io.rb
@@ -2023,15 +2023,18 @@ End
 
   def test_open_mode
     feature4742 = "[ruby-core:36338]"
+    bug6055 = '[ruby-dev:45268]'
 
     mkcdtmpdir do
-      refute_nil(f = File.open('symbolic', 'w'))
+      assert_not_nil(f = File.open('symbolic', 'w'))
       f.close
-      refute_nil(f = File.open('numeric',  File::WRONLY|File::TRUNC|File::CREAT))
+      assert_not_nil(f = File.open('numeric',  File::WRONLY|File::TRUNC|File::CREAT))
       f.close
-      refute_nil(f = File.open('hash-symbolic', :mode => 'w'))
+      assert_not_nil(f = File.open('hash-symbolic', :mode => 'w'))
       f.close
-      refute_nil(f = File.open('hash-numeric', :mode => File::WRONLY|File::TRUNC|File::CREAT), feature4742)
+      assert_not_nil(f = File.open('hash-numeric', :mode => File::WRONLY|File::TRUNC|File::CREAT), feature4742)
+      f.close
+      assert_nothing_raised(bug6055) {f = File.open('hash-symbolic', binmode: true)}
       f.close
     end
   end