mkcheck.in (static_fail): Remove S_FLAG decoration on output.

mkcheck.in (static_fail): Remove S_FLAG decoration on output.

2001-05-21  Benjamin Kosnik  <bkoz@redhat.com>

	* mkcheck.in (static_fail): Remove S_FLAG decoration on output.

	* include/bits/std_sstream.h (stringbuf::setbuf): Require both
	arguments to be non-null.
	* include/bits/fstream.tcc (filebuf::_M_allocate_buffers): Only
	try allocations if allocated size is greater than zero.
	(filebuf::_M_filebuf_init): Change to
	(filebuf::_M_allocate_file): Which is what it does now.
	(filebuf::_M_allocate_bufers): Change to
	(filebuf::_M_allocate_internal_buffer): This, and create
	(filebuf::_M_allocate_pback_buffer): New.
	(filebuf::_M_destroy_internal_buffer): New.
	(filebuf::_M_buf_allocated): New data member.
	(filebuf::setbuf): Use new logic, allow use of external buffer.
	* testsuite/27_io/stringbuf_virtuals.cc: New file.
	* testsuite/27_io/filebuf_virtuals.cc: New file.

From-SVN: r42458