mirror of git://gcc.gnu.org/git/gcc.git
67 lines
1.6 KiB
C
67 lines
1.6 KiB
C
/* Implementation of the FLUSH intrinsic.
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Copyright (C) 2004 Free Software Foundation, Inc.
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Contributed by Steven G. Kargl <kargls@comcast.net>.
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This file is part of the GNU Fortran 95 runtime library (libgfortran).
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Libgfortran is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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Libgfortran is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with libgfor; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include "config.h"
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#include "libgfortran.h"
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#ifdef HAVE_STDLIB_H
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#include <stdlib.h>
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#endif
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#include "../io/io.h"
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/* SUBROUTINE FLUSH(UNIT)
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INTEGER, INTENT(IN), OPTIONAL :: UNIT */
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static void
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recursive_flush (gfc_unit *us)
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{
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/* There can be no open files. */
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if (us == NULL)
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return;
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flush (us->s);
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recursive_flush (us->left);
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recursive_flush (us->right);
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}
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void
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prefix(flush_i4) (GFC_INTEGER_4 * unit)
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{
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gfc_unit *us;
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/* flush all streams */
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if (unit == NULL)
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{
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us = g.unit_root;
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recursive_flush(us);
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}
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else
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{
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us = find_unit(*unit);
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if (us != NULL)
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flush (us->s);
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}
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}
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