* io.c (rb_io_eof): check if closed before clearerr().

  fixed: [ruby-dev:25251]


git-svn-id: http://svn.ruby-lang.org/repos/ruby/branches/ruby_1_8@7607 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 0 deletions

diff --git a/io.c b/io.c
index ec16438ff..f6ea3a115 100644
--- a/io.c
+++ b/io.c
@@ -741,6 +741,7 @@ rb_io_eof(io)
 	ungetc(ch, fptr->f);
 	return Qfalse;
     }
+    rb_io_check_closed(fptr);
     clearerr(fptr->f);
     return Qtrue;
 }