Update.

Update.

2001-08-09  Ulrich Drepper  <drepper@redhat.com>

	* libio/wfileops.c (_IO_wfile_seekoff): Don't even try to handle
	seeking with backup buffer present.
	Correct determining of internal buffer position.
	Reset also wide buffers if we reset the internal buffers.
	* libio/iofwide.c (_IO_fwide): Always determine file offset for wide
	streams.
	* libio/ioseekoff.c: Catch one unimplemented case.
	* libio/ftello.c: Don't abort if the wide stream has backup buffer.
	* libio/ftello64.c: Likewise.
	* libio/iofgetpos.c: Likewise.
	* libio/iofgetpos64.c: Likewise.
	* libio/ftell.c: Likewise.
	* libio/Makefile (tests): Add tst-ungetwc2.
	* libio/tst-ungetwc2.c: New file.