0e05c303e5
testsuite ChangeLog: 2014-09-17 Janne Blomqvist <jb@gcc.gnu.org> PR libfortran/62768 * gfortran.dg/filename_null.f90: New test. libgfortran ChangeLog: 2014-09-17 Janne Blomqvist <jb@gcc.gnu.org> PR libfortran/62768 * io/io.h (gfc_unit): Store C string for the filename. * io/close.c (st_close): Use gfc_unit.filename. * io/inquire.c (inquire_via_unit): Likewise. * io/open.c (new_unit): Likewise. (already_open): Likewise, unlink file before freeing filename. * io/unit.c (init_units): Likewise. (close_unit_1): Likewise. (filename_from_unit): Likewise. * io/unix.c (compare_file_filename): Likewise. (find_file0): Likewise. (delete_file): Likewise. From-SVN: r215307