| /* Implementation of the FLUSH intrinsic. |
| Copyright (C) 2004 Free Software Foundation, Inc. |
| Contributed by Steven G. Kargl <kargls@comcast.net>. |
| |
| This file is part of the GNU Fortran 95 runtime library (libgfortran). |
| |
| Libgfortran is free software; you can redistribute it and/or |
| modify it under the terms of the GNU General Public |
| License as published by the Free Software Foundation; either |
| version 2 of the License, or (at your option) any later version. |
| |
| In addition to the permissions in the GNU General Public License, the |
| Free Software Foundation gives you unlimited permission to link the |
| compiled version of this file into combinations with other programs, |
| and to distribute those combinations without any restriction coming |
| from the use of this file. (The General Public License restrictions |
| do apply in other respects; for example, they cover modification of |
| the file, and distribution when not linked into a combine |
| executable.) |
| |
| Libgfortran is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public |
| License along with libgfortran; see the file COPYING. If not, |
| write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| |
| #include "config.h" |
| #include "libgfortran.h" |
| |
| #ifdef HAVE_STDLIB_H |
| #include <stdlib.h> |
| #endif |
| |
| #include "../io/io.h" |
| |
| /* SUBROUTINE FLUSH(UNIT) |
| INTEGER, INTENT(IN), OPTIONAL :: UNIT */ |
| |
| static void |
| recursive_flush (gfc_unit *us) |
| { |
| /* There can be no open files. */ |
| if (us == NULL) |
| return; |
| |
| flush (us->s); |
| recursive_flush (us->left); |
| recursive_flush (us->right); |
| } |
| |
| |
| extern void flush_i4 (GFC_INTEGER_4 *); |
| export_proto(flush_i4); |
| |
| void |
| flush_i4 (GFC_INTEGER_4 *unit) |
| { |
| gfc_unit *us; |
| |
| /* flush all streams */ |
| if (unit == NULL) |
| { |
| us = g.unit_root; |
| recursive_flush(us); |
| } |
| else |
| { |
| us = find_unit(*unit); |
| if (us != NULL) |
| flush (us->s); |
| } |
| } |