2000-05-09  Vadim Egorov  <egorovv@mailandnews.com>
	    Benjamin Kosnik  <bkoz@gnu.org>
	    Nathan Myers  <ncm@cantrip.org>
	    Dietmar Kuehl  <dietmar_kuehl@yahoo.com>

        * bits/streambuf.tcc (basic_streambuf::xsgetn): Fix uflow case.
	(basic_streambuf::xsputn): Make consistent.
	* testsuite/27_io/filebuf.cc: Add tests.

Co-Authored-By: Benjamin Kosnik <bkoz@gnu.org>
Co-Authored-By: Dietmar Kuehl <dietmar_kuehl@yahoo.com>
Co-Authored-By: Nathan Myers <ncm@cantrip.org>

From-SVN: r33794