PR libfortran/30009
	PR libfortran/30056
	* gfortran.dg/read_eof_4.f90:  Add tests.
	* gfortran.dg/readwrite_unf_direct_eor_1.f90:  New test.
	* gfortran.dg/unf_read_corrupted_1.f90: New test.

2006-12-06  Thomas Koenig  <Thomas.Koenig@online.de>

	PR libfortran/30009
	PR libfortran/30056
	* libgfortran.h:  Add ERROR_CORRUPT_FILE to error_codes.
	* runtime/error.c (translate_error):  Add handling for
	ERROR_CORRUPT_FILE.
	* io/transfer.c (read_block_direct):  Add comment about
	EOR for stream files.
	Remove test for no bytes left for direct access files.
	Generate an ERROR_SHORT_RECORD if the read was short.
	For unformatted sequential files:  Check endfile condition.
	Remove test for no bytes left.  End of file here means
	that the file structure has been corrupted.  Pre-position
	the file for the next record in case of error.
	(write_buf):  Whitespace fix.  Subtract the number of bytes
	written from bytes_left.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@119592 138bc75d-0d04-0410-961f-82ee72b054a4