r113373 - in /branches/gcc-4_1-branch/libgfortr...

[jvdelisle at gcc dot gnu dot org]

Author: jvdelisle
Date: Sat Apr 29 04:27:09 2006
New Revision: 113373

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=113373
Log:
2006-04-28  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/20257
	* io/io.h: Add prototypes for get_internal_unit and free_internal_unit.
	* io/unit.c (get_internal_unit): Initialize unit number, not zero.
	(free_internal_unit): New function to consolidate freeing memory.
	(get_unit): Initialize internal_unit_desc to NULL when unit is
	external.
	* io/unix.c (mem_close): Check for not NULL before freeing memory.
	* io/transfer.c (read_block): Reset bytes_left and skip error if unit
	is preconnected and default record length is reached.
	(read_block_direct): Ditto.
	(write_block): Ditto.
	(write_buf): Ditto.
	(data_transfer_init): Only flush if not internal unit.
	(finalize_transfer): Ditto and delete code to free memory used by
	internal units.
	(st_read_done): Use new function - free_internal_unit.
	(st_write_done): Use new function - free_internal unit.

Modified:
    branches/gcc-4_1-branch/libgfortran/ChangeLog
    branches/gcc-4_1-branch/libgfortran/io/io.h
    branches/gcc-4_1-branch/libgfortran/io/transfer.c
    branches/gcc-4_1-branch/libgfortran/io/unit.c
    branches/gcc-4_1-branch/libgfortran/io/unix.c