re PR libfortran/33985 (access="stream",form="unformatted" doesn't buffer)

re PR libfortran/33985 (access="stream",form="unformatted" doesn't buffer)

2007-12-02  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
	    Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR libfortran/33985
	* io/transfer.c (read_block, read_block_direct, write_block, write_buf):
	Don't seek if file position is already there for STREAM I/O.
	(finalize_transfer): For STREAM I/O don't flush unless the file position
	has moved past the start position before the transfer.

Co-Authored-By: Thomas Koenig <tkoenig@gcc.gnu.org>
From-SVN: r130574