2003-06-30  Paolo Carlini  <pcarlini@unitus.it>

	* include/std/std_streambuf.h (_M_mode): Move from here to
	filebuf and stringbuf.
	(~basic_streambuf()): Don't set _M_mode.
	(basic_streambuf()): Don't set _M_mode.
	* include/std/std_fstream.h (_M_mode): Move here, from streambuf.
	(~basic_filebuf()): Clean up.
	* include/bits/fstream.tcc (basic_filebuf()): Set _M_mode.
	* include/std/std_sstream.h (_M_mode): Move here, from streambuf.
	* testsuite/27_io/basic_streambuf/cons/char/1.cc: Don't set _M_mode.
	* testsuite/27_io/basic_streambuf/overflow/char/1.cc: Likewise.
	* testsuite/27_io/basic_streambuf/sgetc/char/1.cc: Likewise.
	* testsuite/27_io/basic_streambuf/sgetn/char/1.cc: Likewise.
	* testsuite/27_io/basic_streambuf/sputn/char/1.cc: Likewise.

2003-06-30  Paolo Carlini  <pcarlini@unitus.it>

	* include/std/std_fstream.h (_M_underflow): Remove.
	(uflow): Remove, inherited from streambuf.
	(underflow): Only declare.
	* include/bits/fstream.tcc (_M_underflow): Rename to
	underflow, to which is equivalent for __bump == false,
	simplify.
	* include/std/std_sstream.h (_M_underflow): Remove.
	(uflow): Remove, inherited from streambuf.
	(underflow): Only declare.
	* include/bits/sstream.tcc (_M_underflow): Rename to
	underflow, to which is equivalent for __bump == false,
	simplify.

From-SVN: r68695