* struct.c (rb_struct_s_def): Struct::new executes block with

  generated struct class. [ruby-talk:02606]

* io.c (rb_io_ungetc): raise IOError instead of calling
  rb_sys_fail().  [ruby-talk:23181]


git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@5934 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 2 deletions

diff --git a/io.c b/io.c
index 3785487a8..018c74ce8 100644
--- a/io.c
+++ b/io.c
@@ -1696,8 +1696,9 @@ rb_io_ungetc(io, c)
 	rb_raise(rb_eIOError, "unread stream");
     rb_io_check_readable(fptr);
 
-    if (ungetc(cc, fptr->f) == EOF && cc != EOF)
-	rb_sys_fail(fptr->path);
+    if (ungetc(cc, fptr->f) == EOF && cc != EOF) {
+	rb_raise(rb_eIOError, "ungetc failed");
+    }
     return Qnil;
 }